SLA support points improvements
- semi-intelligent algorithm to place support points - enhanced ImGui dialog with editing/non-editing mode - support points can have different head diameter (only implemented in GUI so far) - autogenerated points supporting emerging islands are annotated and the info is kept
This commit is contained in:
Lukas Matena
parent
f4243c694f
commit
21026ec9a8
@ -323,7 +323,7 @@ namespace Slic3r {
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typedef std::map<int, ObjectMetadata> IdToMetadataMap;
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typedef std::map<int, Geometry> IdToGeometryMap;
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typedef std::map<int, std::vector<coordf_t>> IdToLayerHeightsProfileMap;
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typedef std::map<int, std::vector<Vec3f>> IdToSlaSupportPointsMap;
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typedef std::map<int, std::vector<sla::SupportPoint>> IdToSlaSupportPointsMap;
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// Version of the 3mf file
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unsigned int m_version;
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@ -811,10 +811,14 @@ namespace Slic3r {
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std::vector<std::string> object_data_points;
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boost::split(object_data_points, object_data[1], boost::is_any_of(" "), boost::token_compress_off);
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std::vector<Vec3f> sla_support_points;
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std::vector<sla::SupportPoint> sla_support_points;
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for (unsigned int i=0; i<object_data_points.size(); i+=3)
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sla_support_points.push_back(Vec3d(std::atof(object_data_points[i+0].c_str()), std::atof(object_data_points[i+1].c_str()), std::atof(object_data_points[i+2].c_str())).cast<float>());
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for (unsigned int i=0; i<object_data_points.size(); i+=5)
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sla_support_points.emplace_back(std::atof(object_data_points[i+0].c_str()),
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std::atof(object_data_points[i+1].c_str()),
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std::atof(object_data_points[i+2].c_str()),
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std::atof(object_data_points[i+3].c_str()),
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std::atof(object_data_points[i+4].c_str()));
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if (!sla_support_points.empty())
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m_sla_support_points.insert(IdToSlaSupportPointsMap::value_type(object_id, sla_support_points));
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@ -1961,7 +1965,7 @@ namespace Slic3r {
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for (const ModelObject* object : model.objects)
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{
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++count;
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const std::vector<Vec3f>& sla_support_points = object->sla_support_points;
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const std::vector<sla::SupportPoint>& sla_support_points = object->sla_support_points;
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if (!sla_support_points.empty())
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{
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sprintf(buffer, "object_id=%d|", count);
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@ -1970,7 +1974,7 @@ namespace Slic3r {
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// Store the layer height profile as a single space separated list.
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for (size_t i = 0; i < sla_support_points.size(); ++i)
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{
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sprintf(buffer, (i==0 ? "%f %f %f" : " %f %f %f"), sla_support_points[i](0), sla_support_points[i](1), sla_support_points[i](2));
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sprintf(buffer, (i==0 ? "%f %f %f %f %f" : " %f %f %f %f %f"), sla_support_points[i].pos(0), sla_support_points[i].pos(1), sla_support_points[i].pos(2), sla_support_points[i].head_front_radius, (float)sla_support_points[i].is_new_island);
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out += buffer;
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}
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out += "\n";
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@ -583,7 +583,7 @@ void AMFParserContext::endElement(const char * /* name */)
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else if (m_path.size() == 3 && m_path[1] == NODE_TYPE_OBJECT && m_object && strcmp(opt_key, "sla_support_points") == 0) {
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// Parse object's layer height profile, a semicolon separated list of floats.
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unsigned char coord_idx = 0;
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Vec3f point(Vec3f::Zero());
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Eigen::Matrix<float, 5, 1, Eigen::DontAlign> point(Eigen::Matrix<float, 5, 1, Eigen::DontAlign>::Zero());
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char *p = const_cast<char*>(m_value[1].c_str());
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for (;;) {
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char *end = strchr(p, ';');
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@ -591,8 +591,8 @@ void AMFParserContext::endElement(const char * /* name */)
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*end = 0;
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point(coord_idx) = atof(p);
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if (++coord_idx == 3) {
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m_object->sla_support_points.push_back(point);
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if (++coord_idx == 5) {
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m_object->sla_support_points.push_back(sla::SupportPoint(point));
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coord_idx = 0;
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}
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if (end == nullptr)
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@ -900,14 +900,14 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
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}
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//FIXME Store the layer height ranges (ModelObject::layer_height_ranges)
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const std::vector<Vec3f>& sla_support_points = object->sla_support_points;
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const std::vector<sla::SupportPoint>& sla_support_points = object->sla_support_points;
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if (!sla_support_points.empty()) {
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// Store the SLA supports as a single semicolon separated list.
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stream << " <metadata type=\"slic3r.sla_support_points\">";
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for (size_t i = 0; i < sla_support_points.size(); ++i) {
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if (i != 0)
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stream << ";";
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stream << sla_support_points[i](0) << ";" << sla_support_points[i](1) << ";" << sla_support_points[i](2);
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stream << sla_support_points[i].pos(0) << ";" << sla_support_points[i].pos(1) << ";" << sla_support_points[i].pos(2) << ";" << sla_support_points[i].head_front_radius << ";" << sla_support_points[i].is_new_island;
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}
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stream << "\n </metadata>\n";
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}
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@ -12,6 +12,7 @@
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#include <utility>
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#include <vector>
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#include "Geometry.hpp"
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#include <libslic3r/SLA/SLASupportTree.hpp>
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namespace Slic3r {
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@ -175,7 +176,8 @@ public:
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// This vector holds position of selected support points for SLA. The data are
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// saved in mesh coordinates to allow using them for several instances.
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std::vector<Vec3f> sla_support_points;
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// The format is (x, y, z, point_size, supports_island)
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std::vector<sla::SupportPoint> sla_support_points;
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/* This vector accumulates the total translation applied to the object by the
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center_around_origin() method. Callers might want to apply the same translation
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@ -13,34 +13,7 @@
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namespace Slic3r {
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SLAAutoSupports::SLAAutoSupports(const TriangleMesh& mesh, const sla::EigenMesh3D& emesh, const std::vector<ExPolygons>& slices, const std::vector<float>& heights,
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const Config& config, std::function<void(void)> throw_on_cancel)
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: m_config(config), m_V(emesh.V), m_F(emesh.F), m_throw_on_cancel(throw_on_cancel)
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{
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// FIXME: It might be safer to get rid of the rand() calls altogether, because it is probably
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// not always thread-safe and can be slow if it is.
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srand(time(NULL)); // rand() is used by igl::random_point_on_mesh
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// Find all separate islands that will need support. The coord_t number denotes height
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// of a point just below the mesh (so that we can later project the point precisely
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// on the mesh by raycasting (done by igl) and not risking we will place the point inside).
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std::vector<std::pair<ExPolygon, coord_t>> islands = find_islands(slices, heights);
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// Uniformly cover each of the islands with support points.
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for (const auto& island : islands) {
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std::vector<Vec3d> points = uniformly_cover(island);
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m_throw_on_cancel();
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project_upward_onto_mesh(points);
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m_output.insert(m_output.end(), points.begin(), points.end());
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m_throw_on_cancel();
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}
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// We are done with the islands. Let's sprinkle the rest of the mesh.
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// The function appends to m_output.
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sprinkle_mesh(mesh);
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}
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/*
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float SLAAutoSupports::approximate_geodesic_distance(const Vec3d& p1, const Vec3d& p2, Vec3d& n1, Vec3d& n2)
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{
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n1.normalize();
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@ -59,115 +32,6 @@ float SLAAutoSupports::approximate_geodesic_distance(const Vec3d& p1, const Vec3
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}
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void SLAAutoSupports::sprinkle_mesh(const TriangleMesh& mesh)
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{
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std::vector<Vec3d> points;
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// Loads the ModelObject raw_mesh and transforms it by first instance's transformation matrix (disregarding translation).
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// Instances only differ in z-rotation, so it does not matter which of them will be used for the calculation.
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// The supports point will be calculated on this mesh (so scaling ang vertical direction is correctly accounted for).
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// Results will be inverse-transformed to raw_mesh coordinates.
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//TriangleMesh mesh = m_model_object.raw_mesh();
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//Transform3d transformation_matrix = m_model_object.instances[0]->get_matrix(true/*dont_translate*/);
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//mesh.transform(transformation_matrix);
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// Check that the object is thick enough to produce any support points
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BoundingBoxf3 bb = mesh.bounding_box();
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if (bb.size()(2) < m_config.minimal_z)
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return;
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// All points that we curretly have must be transformed too, so distance to them is correcly calculated.
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//for (Vec3f& point : m_model_object.sla_support_points)
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// point = transformation_matrix.cast<float>() * point;
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// In order to calculate distance to already placed points, we must keep know which facet the point lies on.
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std::vector<Vec3d> facets_normals;
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// Only points belonging to islands were added so far - they all lie on horizontal surfaces:
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for (unsigned int i=0; i<m_output.size(); ++i)
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facets_normals.push_back(Vec3d(0,0,-1));
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// The AABB hierarchy will be used to find normals of already placed points.
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// The points added automatically will just push_back the new normal on the fly.
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/*igl::AABB<Eigen::MatrixXf,3> aabb;
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aabb.init(V, F);
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for (unsigned int i=0; i<m_model_object.sla_support_points.size(); ++i) {
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int facet_idx = 0;
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Eigen::Matrix<float, 1, 3> dump;
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Eigen::MatrixXf query_point = m_model_object.sla_support_points[i];
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aabb.squared_distance(V, F, query_point, facet_idx, dump);
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Vec3f a1 = V.row(F(facet_idx,1)) - V.row(F(facet_idx,0));
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Vec3f a2 = V.row(F(facet_idx,2)) - V.row(F(facet_idx,0));
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Vec3f normal = a1.cross(a2);
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normal.normalize();
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facets_normals.push_back(normal);
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}*/
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// New potential support point is randomly generated on the mesh and distance to all already placed points is calculated.
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// In case it is never smaller than certain limit (depends on the new point's facet normal), the point is accepted.
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// The process stops after certain number of points is refused in a row.
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Vec3d point;
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Vec3d normal;
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int added_points = 0;
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int refused_points = 0;
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const int refused_limit = 30;
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// Angle at which the density reaches zero:
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const float threshold_angle = std::min(M_PI_2, M_PI_4 * acos(0.f/m_config.density_at_horizontal) / acos(m_config.density_at_45/m_config.density_at_horizontal));
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size_t cancel_test_cntr = 0;
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while (refused_points < refused_limit) {
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if (++ cancel_test_cntr == 500) {
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// Don't call the cancellation routine too often as the multi-core cache synchronization
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// may be pretty expensive.
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m_throw_on_cancel();
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cancel_test_cntr = 0;
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}
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// Place a random point on the mesh and calculate corresponding facet's normal:
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Eigen::VectorXi FI;
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Eigen::MatrixXd B;
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igl::random_points_on_mesh(1, m_V, m_F, B, FI);
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point = B(0,0)*m_V.row(m_F(FI(0),0)) +
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B(0,1)*m_V.row(m_F(FI(0),1)) +
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B(0,2)*m_V.row(m_F(FI(0),2));
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if (point(2) - bb.min(2) < m_config.minimal_z)
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continue;
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Vec3d a1 = m_V.row(m_F(FI(0),1)) - m_V.row(m_F(FI(0),0));
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Vec3d a2 = m_V.row(m_F(FI(0),2)) - m_V.row(m_F(FI(0),0));
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normal = a1.cross(a2);
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normal.normalize();
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// calculate angle between the normal and vertical:
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float angle = angle_from_normal(normal.cast<float>());
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if (angle > threshold_angle)
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continue;
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const float limit = distance_limit(angle);
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bool add_it = true;
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for (unsigned int i=0; i<points.size(); ++i) {
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if (approximate_geodesic_distance(points[i], point, facets_normals[i], normal) < limit) {
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add_it = false;
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++refused_points;
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break;
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}
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}
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if (add_it) {
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points.push_back(point.cast<double>());
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facets_normals.push_back(normal);
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++added_points;
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refused_points = 0;
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}
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}
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m_output.insert(m_output.end(), points.begin(), points.end());
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// Now transform all support points to mesh coordinates:
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//for (Vec3f& point : m_model_object.sla_support_points)
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// point = transformation_matrix.inverse().cast<float>() * point;
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}
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float SLAAutoSupports::get_required_density(float angle) const
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{
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// calculation would be density_0 * cos(angle). To provide one more degree of freedom, we will scale the angle
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@ -179,9 +43,240 @@ float SLAAutoSupports::get_required_density(float angle) const
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float SLAAutoSupports::distance_limit(float angle) const
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{
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return 1./(2.4*get_required_density(angle));
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}*/
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SLAAutoSupports::SLAAutoSupports(const TriangleMesh& mesh, const sla::EigenMesh3D& emesh, const std::vector<ExPolygons>& slices, const std::vector<float>& heights,
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const Config& config, std::function<void(void)> throw_on_cancel)
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: m_config(config), m_V(emesh.V), m_F(emesh.F), m_throw_on_cancel(throw_on_cancel)
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{
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// Find all separate islands that will need support. The coord_t number denotes height
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// of a point just below the mesh (so that we can later project the point precisely
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// on the mesh by raycasting (done by igl) and not risking we will place the point inside).
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/*std::vector<std::pair<ExPolygon, coord_t>> islands = */
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process(slices, heights);
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// Uniformly cover each of the islands with support points.
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/*for (const auto& island : islands) {
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std::vector<Vec3d> points = uniformly_cover(island);
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m_throw_on_cancel();
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project_upward_onto_mesh(points);
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m_output.insert(m_output.end(), points.begin(), points.end());
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m_throw_on_cancel();
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}*/
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project_onto_mesh(m_output);
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}
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void SLAAutoSupports::project_onto_mesh(std::vector<sla::SupportPoint>& points) const
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{
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// The function makes sure that all the points are really exactly placed on the mesh.
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igl::Hit hit_up{0, 0, 0.f, 0.f, 0.f};
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igl::Hit hit_down{0, 0, 0.f, 0.f, 0.f};
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for (sla::SupportPoint& support_point : points) {
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Vec3f& p = support_point.pos;
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// Project the point upward and downward and choose the closer intersection with the mesh.
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bool up = igl::ray_mesh_intersect(p.cast<float>(), Vec3f(0., 0., 1.), m_V, m_F, hit_up);
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bool down = igl::ray_mesh_intersect(p.cast<float>(), Vec3f(0., 0., -1.), m_V, m_F, hit_down);
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if (!up && !down)
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continue;
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igl::Hit& hit = (!down || (hit_up.t < hit_down.t)) ? hit_up : hit_down;
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int fid = hit.id;
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Vec3f bc(1-hit.u-hit.v, hit.u, hit.v);
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p = (bc(0) * m_V.row(m_F(fid, 0)) + bc(1) * m_V.row(m_F(fid, 1)) + bc(2)*m_V.row(m_F(fid, 2))).cast<float>();
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}
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}
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void SLAAutoSupports::process(const std::vector<ExPolygons>& slices, const std::vector<float>& heights)
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{
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std::vector<std::pair<ExPolygon, coord_t>> islands;
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for (unsigned int i = 0; i<slices.size(); ++i) {
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const ExPolygons& expolys_top = slices[i];
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const float height = (i>2 ? heights[i-3] : heights[0]-(heights[1]-heights[0]));
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const float safe_angle = 5.f * (M_PI/180.f); // smaller number - less supports
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const float offset = scale_((i!=0 ? heights[i]-heights[i-1] : heights[0]) / std::tan(safe_angle));
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const float pixel_area = 0.047f * 0.047f; // FIXME: calculate actual pixel area from printer config
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// Check all ExPolygons on this slice and check whether they are new or belonging to something below.
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for (const ExPolygon& polygon : expolys_top) {
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if (polygon.area() * SCALING_FACTOR * SCALING_FACTOR < pixel_area)
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continue;
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m_structures_new.emplace_back(polygon, height);
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for (Structure& s : m_structures_old) {
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const ExPolygon* bottom = s.polygon;
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if (polygon.overlaps(*bottom) || bottom->overlaps(polygon)) {
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m_structures_new.back().structures_below.push_back(&s);
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coord_t centroids_dist = (bottom->contour.centroid() - polygon.contour.centroid()).norm();
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if (centroids_dist != 0) {
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float mult = std::min(1.f, 1.f - std::min(1.f, 500.f * (float)(centroids_dist * centroids_dist) / (float)bottom->area()));
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s.supports_force *= mult;
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}
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//s.supports_force *= std::min(1.f, ((float)polygon.area()/(float)bottom->area()));
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}
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}
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}
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// Let's assign proper support force to each of them:
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for (Structure& old_str : m_structures_old) {
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std::vector<Structure*> children;
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float children_area = 0.f;
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for (Structure& new_str : m_structures_new)
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for (const Structure* below : new_str.structures_below)
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if (&old_str == below) {
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children.push_back(&new_str);
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children_area += children.back()->polygon->area() * pow(SCALING_FACTOR, 2);
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}
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for (Structure* child : children)
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child->supports_force += (old_str.supports_force/children_area) * (child->polygon->area() * pow(SCALING_FACTOR, 2));
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}
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// Now iterate over all polygons and append new points if needed.
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for (Structure& s : m_structures_new) {
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if (s.structures_below.empty()) {// completely new island - needs support no doubt
|
||||
uniformly_cover(*s.polygon, s, true);
|
||||
}
|
||||
else {
|
||||
// Let's see if there's anything that overlaps enough to need supports:
|
||||
ExPolygons polygons;
|
||||
float bottom_area = 0.f;
|
||||
for (const Structure* sb : s.structures_below) {
|
||||
polygons.push_back(*sb->polygon);
|
||||
bottom_area += polygons.back().area() * pow(SCALING_FACTOR, 2);
|
||||
}
|
||||
|
||||
polygons = offset_ex(polygons, offset);
|
||||
polygons = diff_ex(ExPolygons{*s.polygon}, polygons);
|
||||
|
||||
// What we now have in polygons needs support, regardless of what the forces are, so we can add them.
|
||||
for (const ExPolygon& p : polygons)
|
||||
uniformly_cover(p, s);
|
||||
}
|
||||
}
|
||||
|
||||
// We should also check if current support is enough given the polygon area.
|
||||
for (Structure& s : m_structures_new) {
|
||||
ExPolygons e;
|
||||
float e_area = 0.f;
|
||||
for (const Structure* a : s.structures_below) {
|
||||
e.push_back(*a->polygon);
|
||||
e_area += e.back().area() * SCALING_FACTOR * SCALING_FACTOR;
|
||||
}
|
||||
|
||||
e = diff_ex(ExPolygons{*s.polygon}, e);
|
||||
s.supports_force /= std::max(1., (e_area / (s.polygon->area()*SCALING_FACTOR*SCALING_FACTOR)));
|
||||
|
||||
|
||||
|
||||
if ( (s.polygon->area() * pow(SCALING_FACTOR, 2)) * m_config.tear_pressure > s.supports_force) {
|
||||
ExPolygons::iterator largest_it = std::max_element(e.begin(), e.end(), [](const ExPolygon& a, const ExPolygon& b) { return a.area() < b.area(); });
|
||||
if (!e.empty())
|
||||
uniformly_cover(*largest_it, s);
|
||||
}
|
||||
}
|
||||
|
||||
// All is done. Prepare to advance to the next layer.
|
||||
m_structures_old = m_structures_new;
|
||||
m_structures_new.clear();
|
||||
|
||||
m_throw_on_cancel();
|
||||
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
/*std::string layer_num_str = std::string((i<10 ? "0" : "")) + std::string((i<100 ? "0" : "")) + std::to_string(i);
|
||||
output_expolygons(expolys_top, "top" + layer_num_str + ".svg");
|
||||
output_expolygons(diff, "diff" + layer_num_str + ".svg");
|
||||
if (!islands.empty())
|
||||
output_expolygons(islands, "islands" + layer_num_str + ".svg");*/
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void SLAAutoSupports::add_point(const Point& point, Structure& structure, bool is_new_island)
|
||||
{
|
||||
sla::SupportPoint new_point(point(0) * SCALING_FACTOR, point(1) * SCALING_FACTOR, structure.height, 0.4f, (float)is_new_island);
|
||||
|
||||
m_output.emplace_back(new_point);
|
||||
structure.supports_force += m_config.support_force;
|
||||
}
|
||||
|
||||
void SLAAutoSupports::uniformly_cover(const ExPolygon& island, Structure& structure, bool is_new_island, bool just_one)
|
||||
{
|
||||
//int num_of_points = std::max(1, (int)((island.area()*pow(SCALING_FACTOR, 2) * m_config.tear_pressure)/m_config.support_force));
|
||||
|
||||
const float density_horizontal = m_config.tear_pressure / m_config.support_force;
|
||||
|
||||
// We will cover the island another way.
|
||||
// For now we'll just place the points randomly not too close to the others.
|
||||
std::random_device rd;
|
||||
std::mt19937 gen(rd());
|
||||
std::uniform_real_distribution<> dis(0., 1.);
|
||||
|
||||
std::vector<Vec3d> island_new_points;
|
||||
const BoundingBox& bb = get_extents(island);
|
||||
const int refused_limit = 30;
|
||||
int refused_points = 0;
|
||||
while (refused_points < refused_limit) {
|
||||
Point out;
|
||||
if (refused_points == 0 && island_new_points.empty()) // first iteration
|
||||
out = island.contour.centroid();
|
||||
else
|
||||
out = Point(bb.min(0) + bb.size()(0) * dis(gen), bb.min(1) + bb.size()(1) * dis(gen));
|
||||
|
||||
Vec3d unscaled_out = unscale(out(0), out(1), 0.f);
|
||||
bool add_it = true;
|
||||
|
||||
if (!island.contour.contains(out))
|
||||
add_it = false;
|
||||
else
|
||||
for (const Polygon& hole : island.holes)
|
||||
if (hole.contains(out))
|
||||
add_it = false;
|
||||
|
||||
if (add_it) {
|
||||
for (const Vec3d& p : island_new_points) {
|
||||
if ((p - unscaled_out).squaredNorm() < 1./(2.4*density_horizontal)) {
|
||||
add_it = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (add_it) {
|
||||
island_new_points.emplace_back(unscaled_out);
|
||||
if (just_one)
|
||||
break;
|
||||
}
|
||||
else
|
||||
++refused_points;
|
||||
}
|
||||
|
||||
for (const Vec3d& p : island_new_points)
|
||||
add_point(Point(scale_(p.x()), scale_(p.y())), structure, is_new_island);
|
||||
}
|
||||
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
void SLAAutoSupports::output_structures() const
|
||||
{
|
||||
const std::vector<Structure>& structures = m_structures_new;
|
||||
for (unsigned int i=0 ; i<structures.size(); ++i) {
|
||||
std::stringstream ss;
|
||||
ss << structures[i].unique_id.count() << "_" << std::setw(10) << std::setfill('0') << 1000 + (int)structures[i].height/1000 << ".png";
|
||||
output_expolygons(std::vector<ExPolygon>{*structures[i].polygon}, ss.str());
|
||||
}
|
||||
}
|
||||
|
||||
void SLAAutoSupports::output_expolygons(const ExPolygons& expolys, std::string filename) const
|
||||
{
|
||||
BoundingBox bb(Point(-30000000, -30000000), Point(30000000, 30000000));
|
||||
@ -198,138 +293,6 @@ void SLAAutoSupports::output_expolygons(const ExPolygons& expolys, std::string f
|
||||
svg_cummulative.draw_outline(expolys[i].holes, "blue", scale_(0.05));
|
||||
}
|
||||
}
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
|
||||
std::vector<std::pair<ExPolygon, coord_t>> SLAAutoSupports::find_islands(const std::vector<ExPolygons>& slices, const std::vector<float>& heights) const
|
||||
{
|
||||
std::vector<std::pair<ExPolygon, coord_t>> islands;
|
||||
|
||||
struct PointAccessor {
|
||||
const Point* operator()(const Point &pt) const { return &pt; }
|
||||
};
|
||||
typedef ClosestPointInRadiusLookup<Point, PointAccessor> ClosestPointLookupType;
|
||||
|
||||
for (unsigned int i = 0; i<slices.size(); ++i) {
|
||||
const ExPolygons& expolys_top = slices[i];
|
||||
const ExPolygons& expolys_bottom = (i == 0 ? ExPolygons() : slices[i-1]);
|
||||
|
||||
std::string layer_num_str = std::string((i<10 ? "0" : "")) + std::string((i<100 ? "0" : "")) + std::to_string(i);
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
output_expolygons(expolys_top, "top" + layer_num_str + ".svg");
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
ExPolygons diff = diff_ex(expolys_top, expolys_bottom);
|
||||
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
output_expolygons(diff, "diff" + layer_num_str + ".svg");
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
|
||||
ClosestPointLookupType cpl(SCALED_EPSILON);
|
||||
for (const ExPolygon& expol : expolys_top) {
|
||||
for (const Point& p : expol.contour.points)
|
||||
cpl.insert(p);
|
||||
for (const Polygon& hole : expol.holes)
|
||||
for (const Point& p : hole.points)
|
||||
cpl.insert(p);
|
||||
// the lookup structure now contains all points from the top slice
|
||||
}
|
||||
|
||||
for (const ExPolygon& polygon : diff) {
|
||||
// we want to check all boundary points of the diff polygon
|
||||
bool island = true;
|
||||
for (const Point& p : polygon.contour.points) {
|
||||
if (cpl.find(p).second != 0) { // the point belongs to the bottom slice - this cannot be an island
|
||||
island = false;
|
||||
goto NO_ISLAND;
|
||||
}
|
||||
}
|
||||
for (const Polygon& hole : polygon.holes)
|
||||
for (const Point& p : hole.points)
|
||||
if (cpl.find(p).second != 0) {
|
||||
island = false;
|
||||
goto NO_ISLAND;
|
||||
}
|
||||
|
||||
if (island) { // all points of the diff polygon are from the top slice
|
||||
islands.push_back(std::make_pair(polygon, scale_(i!=0 ? heights[i-1] : heights[0]-(heights[1]-heights[0]))));
|
||||
}
|
||||
NO_ISLAND: ;// continue with next ExPolygon
|
||||
}
|
||||
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
//if (!islands.empty())
|
||||
// output_expolygons(islands, "islands" + layer_num_str + ".svg");
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
m_throw_on_cancel();
|
||||
}
|
||||
|
||||
return islands;
|
||||
}
|
||||
|
||||
std::vector<Vec3d> SLAAutoSupports::uniformly_cover(const std::pair<ExPolygon, coord_t>& island)
|
||||
{
|
||||
int num_of_points = std::max(1, (int)(island.first.area()*pow(SCALING_FACTOR, 2) * get_required_density(0)));
|
||||
|
||||
// In case there is just one point to place, we'll place it into the polygon's centroid (unless it lies in a hole).
|
||||
if (num_of_points == 1) {
|
||||
Point out(island.first.contour.centroid());
|
||||
|
||||
for (const auto& hole : island.first.holes)
|
||||
if (hole.contains(out))
|
||||
goto HOLE_HIT;
|
||||
return std::vector<Vec3d>{unscale(out(0), out(1), island.second)};
|
||||
}
|
||||
|
||||
HOLE_HIT:
|
||||
// In this case either the centroid lies in a hole, or there are multiple points
|
||||
// to place. We will cover the island another way.
|
||||
// For now we'll just place the points randomly not too close to the others.
|
||||
std::random_device rd;
|
||||
std::mt19937 gen(rd());
|
||||
std::uniform_real_distribution<> dis(0., 1.);
|
||||
|
||||
std::vector<Vec3d> island_new_points;
|
||||
const BoundingBox& bb = get_extents(island.first);
|
||||
const int refused_limit = 30;
|
||||
int refused_points = 0;
|
||||
while (refused_points < refused_limit) {
|
||||
Point out(bb.min(0) + bb.size()(0) * dis(gen),
|
||||
bb.min(1) + bb.size()(1) * dis(gen)) ;
|
||||
Vec3d unscaled_out = unscale(out(0), out(1), island.second);
|
||||
bool add_it = true;
|
||||
|
||||
if (!island.first.contour.contains(out))
|
||||
add_it = false;
|
||||
else
|
||||
for (const Polygon& hole : island.first.holes)
|
||||
if (hole.contains(out))
|
||||
add_it = false;
|
||||
|
||||
if (add_it) {
|
||||
for (const Vec3d& p : island_new_points) {
|
||||
if ((p - unscaled_out).squaredNorm() < distance_limit(0)) {
|
||||
add_it = false;
|
||||
++refused_points;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (add_it)
|
||||
island_new_points.emplace_back(unscaled_out);
|
||||
}
|
||||
return island_new_points;
|
||||
}
|
||||
|
||||
void SLAAutoSupports::project_upward_onto_mesh(std::vector<Vec3d>& points) const
|
||||
{
|
||||
Vec3f dir(0., 0., 1.);
|
||||
igl::Hit hit{0, 0, 0.f, 0.f, 0.f};
|
||||
for (Vec3d& p : points) {
|
||||
igl::ray_mesh_intersect(p.cast<float>(), dir, m_V, m_F, hit);
|
||||
int fid = hit.id;
|
||||
Vec3f bc(1-hit.u-hit.v, hit.u, hit.v);
|
||||
p = (bc(0) * m_V.row(m_F(fid, 0)) + bc(1) * m_V.row(m_F(fid, 1)) + bc(2)*m_V.row(m_F(fid, 2))).cast<double>();
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
} // namespace Slic3r
|
||||
@ -15,30 +15,45 @@ public:
|
||||
float density_at_horizontal;
|
||||
float density_at_45;
|
||||
float minimal_z;
|
||||
///////////////
|
||||
float support_force = 30; // a force one point can support (arbitrary force unit)
|
||||
float tear_pressure = 1; // pressure that the display exerts (the force unit per mm2)
|
||||
};
|
||||
|
||||
SLAAutoSupports(const TriangleMesh& mesh, const sla::EigenMesh3D& emesh, const std::vector<ExPolygons>& slices,
|
||||
const std::vector<float>& heights, const Config& config, std::function<void(void)> throw_on_cancel);
|
||||
const std::vector<Vec3d>& output() { return m_output; }
|
||||
const std::vector<float>& heights, const Config& config, std::function<void(void)> throw_on_cancel);
|
||||
const std::vector<sla::SupportPoint>& output() { return m_output; }
|
||||
|
||||
private:
|
||||
std::vector<Vec3d> m_output;
|
||||
std::vector<Vec3d> m_normals;
|
||||
TriangleMesh mesh;
|
||||
static float angle_from_normal(const stl_normal& normal) { return acos((-normal.normalized())(2)); }
|
||||
float get_required_density(float angle) const;
|
||||
float distance_limit(float angle) const;
|
||||
static float approximate_geodesic_distance(const Vec3d& p1, const Vec3d& p2, Vec3d& n1, Vec3d& n2);
|
||||
std::vector<std::pair<ExPolygon, coord_t>> find_islands(const std::vector<ExPolygons>& slices, const std::vector<float>& heights) const;
|
||||
void sprinkle_mesh(const TriangleMesh& mesh);
|
||||
std::vector<Vec3d> uniformly_cover(const std::pair<ExPolygon, coord_t>& island);
|
||||
void project_upward_onto_mesh(std::vector<Vec3d>& points) const;
|
||||
std::vector<sla::SupportPoint> m_output;
|
||||
|
||||
#ifdef SLA_AUTOSUPPORTS_DEBUG
|
||||
void output_expolygons(const ExPolygons& expolys, std::string filename) const;
|
||||
void output_structures() const;
|
||||
#endif /* SLA_AUTOSUPPORTS_DEBUG */
|
||||
|
||||
SLAAutoSupports::Config m_config;
|
||||
|
||||
struct Structure {
|
||||
Structure(const ExPolygon& poly, float h) : height(h), unique_id(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch())) {
|
||||
polygon = &poly;
|
||||
}
|
||||
const ExPolygon* polygon = nullptr;
|
||||
std::vector<const Structure*> structures_below;
|
||||
float height = 0;
|
||||
float supports_force = 0.f;
|
||||
std::chrono::milliseconds unique_id;
|
||||
};
|
||||
std::vector<Structure> m_structures_old;
|
||||
std::vector<Structure> m_structures_new;
|
||||
float m_supports_force_total = 0.f;
|
||||
|
||||
void process(const std::vector<ExPolygons>& slices, const std::vector<float>& heights);
|
||||
void add_point(const Point& point, Structure& structure, bool island = false);
|
||||
void uniformly_cover(const ExPolygon& island, Structure& structure, bool is_new_island = false, bool just_one = false);
|
||||
void project_onto_mesh(std::vector<sla::SupportPoint>& points) const;
|
||||
|
||||
|
||||
std::function<void(void)> m_throw_on_cancel;
|
||||
const Eigen::MatrixXd& m_V;
|
||||
const Eigen::MatrixXi& m_F;
|
||||
|
||||
@ -607,10 +607,18 @@ EigenMesh3D to_eigenmesh(const ModelObject& modelobj) {
|
||||
return to_eigenmesh(modelobj.raw_mesh());
|
||||
}
|
||||
|
||||
PointSet to_point_set(const std::vector<Vec3d> &v)
|
||||
PointSet to_point_set(const std::vector<SupportPoint> &v)
|
||||
{
|
||||
PointSet ret(v.size(), 3);
|
||||
{ long i = 0; for(const Vec3d& p : v) ret.row(i++) = p; }
|
||||
PointSet ret(v.size(), 5);
|
||||
long i = 0;
|
||||
for(const SupportPoint& support_point : v) {
|
||||
ret.row(i)(0) = support_point.pos(0);
|
||||
ret.row(i)(1) = support_point.pos(1);
|
||||
ret.row(i)(2) = support_point.pos(2);
|
||||
ret.row(i)(3) = support_point.head_front_radius;
|
||||
ret.row(i)(4) = (float)support_point.is_new_island;
|
||||
++i;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
@ -34,6 +34,26 @@ enum class PillarConnectionMode {
|
||||
dynamic
|
||||
};
|
||||
|
||||
struct SupportPoint {
|
||||
Vec3f pos;
|
||||
float head_front_radius;
|
||||
bool is_new_island;
|
||||
|
||||
SupportPoint() :
|
||||
pos(Vec3f::Zero()), head_front_radius(0.f), is_new_island(false) {}
|
||||
|
||||
SupportPoint(float pos_x, float pos_y, float pos_z, float head_radius, bool new_island) :
|
||||
pos(pos_x, pos_y, pos_z), head_front_radius(head_radius), is_new_island(new_island) {}
|
||||
|
||||
SupportPoint(Vec3f position, float head_radius, bool new_island) :
|
||||
pos(position), head_front_radius(head_radius), is_new_island(new_island) {}
|
||||
|
||||
SupportPoint(Eigen::Matrix<float, 5, 1, Eigen::DontAlign> data) :
|
||||
pos(data(0), data(1), data(2)), head_front_radius(data(3)), is_new_island(data(4)) {}
|
||||
|
||||
bool operator==(const SupportPoint& sp) const { return (pos==sp.pos) && head_front_radius==sp.head_front_radius && is_new_island==sp.is_new_island; }
|
||||
};
|
||||
|
||||
struct SupportConfig {
|
||||
// Radius in mm of the pointing side of the head.
|
||||
double head_front_radius_mm = 0.2;
|
||||
@ -118,7 +138,7 @@ EigenMesh3D to_eigenmesh(const TriangleMesh& m);
|
||||
EigenMesh3D to_eigenmesh(const ModelObject& model);
|
||||
|
||||
// Simple conversion of 'vector of points' to an Eigen matrix
|
||||
PointSet to_point_set(const std::vector<Vec3d>&);
|
||||
PointSet to_point_set(const std::vector<sla::SupportPoint>&);
|
||||
|
||||
|
||||
/* ************************************************************************** */
|
||||
|
||||
@ -541,7 +541,7 @@ void SLAPrint::process()
|
||||
[this]() { throw_if_canceled(); });
|
||||
|
||||
// Now let's extract the result.
|
||||
const std::vector<Vec3d>& points = auto_supports.output();
|
||||
const std::vector<sla::SupportPoint>& points = auto_supports.output();
|
||||
this->throw_if_canceled();
|
||||
po.m_supportdata->support_points = sla::to_point_set(points);
|
||||
|
||||
@ -1236,15 +1236,19 @@ const TriangleMesh &SLAPrintObject::transformed_mesh() const {
|
||||
return m_transformed_rmesh.get();
|
||||
}
|
||||
|
||||
std::vector<Vec3d> SLAPrintObject::transformed_support_points() const
|
||||
std::vector<sla::SupportPoint> SLAPrintObject::transformed_support_points() const
|
||||
{
|
||||
assert(m_model_object != nullptr);
|
||||
auto& spts = m_model_object->sla_support_points;
|
||||
std::vector<sla::SupportPoint>& spts = m_model_object->sla_support_points;
|
||||
|
||||
// this could be cached as well
|
||||
std::vector<Vec3d> ret; ret.reserve(spts.size());
|
||||
std::vector<sla::SupportPoint> ret;
|
||||
ret.reserve(spts.size());
|
||||
|
||||
for(auto& sp : spts) ret.emplace_back( trafo() * Vec3d(sp.cast<double>()));
|
||||
for(sla::SupportPoint& sp : spts) {
|
||||
Vec3d transformed_pos = trafo() * Vec3d(sp.pos(0), sp.pos(1), sp.pos(2));
|
||||
ret.emplace_back(transformed_pos(0), transformed_pos(1), transformed_pos(2), sp.head_front_radius, sp.is_new_island);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -70,7 +70,7 @@ public:
|
||||
// This will return the transformed mesh which is cached
|
||||
const TriangleMesh& transformed_mesh() const;
|
||||
|
||||
std::vector<Vec3d> transformed_support_points() const;
|
||||
std::vector<sla::SupportPoint> transformed_support_points() const;
|
||||
|
||||
// Get the needed Z elevation for the model geometry if supports should be
|
||||
// displayed. This Z offset should also be applied to the support
|
||||
|
||||
@ -22,8 +22,6 @@
|
||||
// Scene's GUI made using imgui library
|
||||
#define ENABLE_IMGUI (1 && ENABLE_1_42_0_ALPHA1)
|
||||
#define DISABLE_MOVE_ROTATE_SCALE_GIZMOS_IMGUI (1 && ENABLE_IMGUI)
|
||||
// Modified Sla support gizmo
|
||||
#define ENABLE_SLA_SUPPORT_GIZMO_MOD (1 && ENABLE_1_42_0_ALPHA1)
|
||||
// Use wxDataViewRender instead of wxDataViewCustomRenderer
|
||||
#define ENABLE_NONCUSTOM_DATA_VIEW_RENDERING (0 && ENABLE_1_42_0_ALPHA1)
|
||||
|
||||
|
||||
@ -3381,22 +3381,14 @@ void GLCanvas3D::Gizmos::set_flattening_data(const ModelObject* model_object)
|
||||
reinterpret_cast<GLGizmoFlatten*>(it->second)->set_flattening_data(model_object);
|
||||
}
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void GLCanvas3D::Gizmos::set_sla_support_data(ModelObject* model_object, const GLCanvas3D::Selection& selection)
|
||||
#else
|
||||
void GLCanvas3D::Gizmos::set_model_object_ptr(ModelObject* model_object)
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
{
|
||||
if (!m_enabled)
|
||||
return;
|
||||
|
||||
GizmosMap::const_iterator it = m_gizmos.find(SlaSupports);
|
||||
if (it != m_gizmos.end())
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
reinterpret_cast<GLGizmoSlaSupports*>(it->second)->set_sla_support_data(model_object, selection);
|
||||
#else
|
||||
reinterpret_cast<GLGizmoSlaSupports*>(it->second)->set_model_object_ptr(model_object);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
|
||||
void GLCanvas3D::Gizmos::clicked_on_object(const Vec2d& mouse_position)
|
||||
@ -7137,11 +7129,7 @@ void GLCanvas3D::_update_gizmos_data()
|
||||
m_gizmos.set_rotation(Vec3d::Zero());
|
||||
ModelObject* model_object = m_model->objects[m_selection.get_object_idx()];
|
||||
m_gizmos.set_flattening_data(model_object);
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
m_gizmos.set_sla_support_data(model_object, m_selection);
|
||||
#else
|
||||
m_gizmos.set_model_object_ptr(model_object);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
else if (m_selection.is_single_volume() || m_selection.is_single_modifier())
|
||||
{
|
||||
@ -7149,22 +7137,14 @@ void GLCanvas3D::_update_gizmos_data()
|
||||
m_gizmos.set_scale(volume->get_volume_scaling_factor());
|
||||
m_gizmos.set_rotation(Vec3d::Zero());
|
||||
m_gizmos.set_flattening_data(nullptr);
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
m_gizmos.set_sla_support_data(nullptr, m_selection);
|
||||
#else
|
||||
m_gizmos.set_model_object_ptr(nullptr);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
else
|
||||
{
|
||||
m_gizmos.set_scale(Vec3d::Ones());
|
||||
m_gizmos.set_rotation(Vec3d::Zero());
|
||||
m_gizmos.set_flattening_data(m_selection.is_from_single_object() ? m_model->objects[m_selection.get_object_idx()] : nullptr);
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
m_gizmos.set_sla_support_data(nullptr, m_selection);
|
||||
#else
|
||||
m_gizmos.set_model_object_ptr(nullptr);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -779,11 +779,7 @@ private:
|
||||
|
||||
void set_flattening_data(const ModelObject* model_object);
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void set_sla_support_data(ModelObject* model_object, const GLCanvas3D::Selection& selection);
|
||||
#else
|
||||
void set_model_object_ptr(ModelObject* model_object);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void clicked_on_object(const Vec2d& mouse_position);
|
||||
void delete_current_grabber(bool delete_all = false);
|
||||
|
||||
|
||||
@ -1741,28 +1741,20 @@ Vec3d GLGizmoFlatten::get_flattening_normal() const
|
||||
}
|
||||
|
||||
GLGizmoSlaSupports::GLGizmoSlaSupports(GLCanvas3D& parent)
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
: GLGizmoBase(parent), m_starting_center(Vec3d::Zero()), m_quadric(nullptr)
|
||||
#else
|
||||
: GLGizmoBase(parent), m_starting_center(Vec3d::Zero())
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
{
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
m_quadric = ::gluNewQuadric();
|
||||
if (m_quadric != nullptr)
|
||||
// using GLU_FILL does not work when the instance's transformation
|
||||
// contains mirroring (normals are reverted)
|
||||
::gluQuadricDrawStyle(m_quadric, GLU_FILL);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
GLGizmoSlaSupports::~GLGizmoSlaSupports()
|
||||
{
|
||||
if (m_quadric != nullptr)
|
||||
::gluDeleteQuadric(m_quadric);
|
||||
}
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
bool GLGizmoSlaSupports::on_init()
|
||||
{
|
||||
@ -1782,7 +1774,6 @@ bool GLGizmoSlaSupports::on_init()
|
||||
return true;
|
||||
}
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void GLGizmoSlaSupports::set_sla_support_data(ModelObject* model_object, const GLCanvas3D::Selection& selection)
|
||||
{
|
||||
m_starting_center = Vec3d::Zero();
|
||||
@ -1801,59 +1792,37 @@ void GLGizmoSlaSupports::set_sla_support_data(ModelObject* model_object, const G
|
||||
for (const SLAPrintObject* po : m_parent.sla_print()->objects()) {
|
||||
if (po->model_object()->id() == model_object->id()) {
|
||||
const Eigen::MatrixXd& points = po->get_support_points();
|
||||
for (unsigned int i=0; i<points.rows();++i)
|
||||
model_object->sla_support_points.push_back(Vec3f(po->trafo().inverse().cast<float>() * Vec3f(points(i,0), points(i,1), points(i,2))));
|
||||
break;
|
||||
for (unsigned int i=0; i<points.rows();++i) {
|
||||
Vec3f pos(po->trafo().inverse().cast<float>() * Vec3f(points(i,0), points(i,1), points(i,2)));
|
||||
model_object->sla_support_points.emplace_back(pos(0), pos(1), pos(2), points(i, 3), points(i, 4));
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#else
|
||||
void GLGizmoSlaSupports::set_model_object_ptr(ModelObject* model_object)
|
||||
{
|
||||
if (model_object != nullptr) {
|
||||
m_starting_center = Vec3d::Zero();
|
||||
m_model_object = model_object;
|
||||
|
||||
int selected_instance = m_parent.get_selection().get_instance_idx();
|
||||
assert(selected_instance < (int)model_object->instances.size());
|
||||
|
||||
m_instance_matrix = model_object->instances[selected_instance]->get_matrix();
|
||||
if (is_mesh_update_necessary())
|
||||
update_mesh();
|
||||
}
|
||||
}
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
void GLGizmoSlaSupports::on_render(const GLCanvas3D::Selection& selection) const
|
||||
{
|
||||
::glEnable(GL_BLEND);
|
||||
::glEnable(GL_DEPTH_TEST);
|
||||
|
||||
#if !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
// the dragged_offset is a vector measuring where was the object moved
|
||||
// with the gizmo being on. This is reset in set_model_object_ptr and
|
||||
// does not work correctly when there are multiple copies.
|
||||
for (unsigned int i=0; i<m_grabbers.size(); ++i) {
|
||||
bool supports_new_island = m_lock_unique_islands && m_model_object && m_model_object->sla_support_points[i].is_new_island;
|
||||
Grabber& g = m_grabbers[i];
|
||||
if (m_editing_mode) {
|
||||
g.color[0] = supports_new_island ? 0.f : 1.f;
|
||||
g.color[1] = 0.f;
|
||||
g.color[2] = supports_new_island ? 1.f : 0.f;
|
||||
}
|
||||
else {
|
||||
for (unsigned char i=0; i<3; ++i) g.color[i] = 0.5f;
|
||||
}
|
||||
|
||||
if (m_starting_center == Vec3d::Zero())
|
||||
m_starting_center = selection.get_bounding_box().center();
|
||||
Vec3d dragged_offset = selection.get_bounding_box().center() - m_starting_center;
|
||||
#endif // !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
|
||||
for (auto& g : m_grabbers) {
|
||||
g.color[0] = 1.f;
|
||||
g.color[1] = 0.f;
|
||||
g.color[2] = 0.f;
|
||||
}
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
render_grabbers(selection, false);
|
||||
#else
|
||||
//::glTranslatef((GLfloat)dragged_offset(0), (GLfloat)dragged_offset(1), (GLfloat)dragged_offset(2));
|
||||
render_grabbers(false);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
#if !ENABLE_IMGUI
|
||||
render_tooltip_texture();
|
||||
@ -1870,14 +1839,9 @@ void GLGizmoSlaSupports::on_render_for_picking(const GLCanvas3D::Selection& sele
|
||||
m_grabbers[i].color[1] = 1.0f;
|
||||
m_grabbers[i].color[2] = picking_color_component(i);
|
||||
}
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
render_grabbers(selection, true);
|
||||
#else
|
||||
render_grabbers(true);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
}
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void GLGizmoSlaSupports::render_grabbers(const GLCanvas3D::Selection& selection, bool picking) const
|
||||
{
|
||||
if (m_quadric == nullptr)
|
||||
@ -1924,8 +1888,7 @@ void GLGizmoSlaSupports::render_grabbers(const GLCanvas3D::Selection& selection,
|
||||
::glPushMatrix();
|
||||
::glLoadIdentity();
|
||||
::glTranslated(grabber_world_position(0), grabber_world_position(1), grabber_world_position(2) + z_shift);
|
||||
const float diameter = 0.8f;
|
||||
::gluSphere(m_quadric, diameter/2.f, 64, 36);
|
||||
::gluSphere(m_quadric, m_model_object->sla_support_points[i].head_front_radius, 64, 36);
|
||||
::glPopMatrix();
|
||||
}
|
||||
|
||||
@ -1934,65 +1897,10 @@ void GLGizmoSlaSupports::render_grabbers(const GLCanvas3D::Selection& selection,
|
||||
|
||||
::glPopMatrix();
|
||||
}
|
||||
#else
|
||||
void GLGizmoSlaSupports::render_grabbers(bool picking) const
|
||||
{
|
||||
if (m_parent.get_selection().is_empty())
|
||||
return;
|
||||
|
||||
float z_shift = m_parent.get_selection().get_volume(0)->get_sla_shift_z();
|
||||
::glTranslatef((GLfloat)0, (GLfloat)0, (GLfloat)z_shift);
|
||||
|
||||
int selected_instance = m_parent.get_selection().get_instance_idx();
|
||||
assert(selected_instance < (int)m_model_object->instances.size());
|
||||
|
||||
float render_color_inactive[3] = { 0.5f, 0.5f, 0.5f };
|
||||
|
||||
for (const ModelInstance* inst : m_model_object->instances) {
|
||||
bool active = inst == m_model_object->instances[selected_instance];
|
||||
if (picking && ! active)
|
||||
continue;
|
||||
for (int i = 0; i < (int)m_grabbers.size(); ++i)
|
||||
{
|
||||
if (!m_grabbers[i].enabled)
|
||||
continue;
|
||||
|
||||
float render_color[3];
|
||||
if (! picking && active && m_hover_id == i) {
|
||||
render_color[0] = 1.0f - m_grabbers[i].color[0];
|
||||
render_color[1] = 1.0f - m_grabbers[i].color[1];
|
||||
render_color[2] = 1.0f - m_grabbers[i].color[2];
|
||||
}
|
||||
else
|
||||
::memcpy((void*)render_color, active ? (const void*)m_grabbers[i].color : (const void*)render_color_inactive, 3 * sizeof(float));
|
||||
if (!picking)
|
||||
::glEnable(GL_LIGHTING);
|
||||
::glColor3f((GLfloat)render_color[0], (GLfloat)render_color[1], (GLfloat)render_color[2]);
|
||||
::glPushMatrix();
|
||||
Vec3d center = inst->get_matrix() * m_grabbers[i].center;
|
||||
::glTranslatef((GLfloat)center(0), (GLfloat)center(1), (GLfloat)center(2));
|
||||
GLUquadricObj *quadric;
|
||||
quadric = ::gluNewQuadric();
|
||||
::gluQuadricDrawStyle(quadric, GLU_FILL );
|
||||
::gluSphere( quadric , 0.4, 64 , 32 );
|
||||
::gluDeleteQuadric(quadric);
|
||||
::glPopMatrix();
|
||||
if (!picking)
|
||||
::glDisable(GL_LIGHTING);
|
||||
}
|
||||
}
|
||||
|
||||
::glTranslatef((GLfloat)0, (GLfloat)0, (GLfloat)-z_shift);
|
||||
}
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
bool GLGizmoSlaSupports::is_mesh_update_necessary() const
|
||||
{
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
return (m_state == On) && (m_model_object != nullptr) && (m_model_object != m_old_model_object) && !m_model_object->instances.empty();
|
||||
#else
|
||||
return m_state == On && m_model_object && !m_model_object->instances.empty() && !m_instance_matrix.isApprox(m_source_data.matrix);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
//if (m_state != On || !m_model_object || m_model_object->instances.empty() || ! m_instance_matrix.isApprox(m_source_data.matrix))
|
||||
// return false;
|
||||
@ -2027,27 +1935,19 @@ void GLGizmoSlaSupports::update_mesh()
|
||||
m_AABB = igl::AABB<Eigen::MatrixXf,3>();
|
||||
m_AABB.init(m_V, m_F);
|
||||
|
||||
#if !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
m_source_data.matrix = m_instance_matrix;
|
||||
#endif // !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
// we'll now reload Grabbers (selection might have changed):
|
||||
m_grabbers.clear();
|
||||
|
||||
for (const Vec3f& point : m_model_object->sla_support_points) {
|
||||
for (const sla::SupportPoint& point : m_model_object->sla_support_points) {
|
||||
m_grabbers.push_back(Grabber());
|
||||
m_grabbers.back().center = point.cast<double>();
|
||||
m_grabbers.back().center = point.pos.cast<double>();
|
||||
}
|
||||
}
|
||||
|
||||
Vec3f GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos)
|
||||
{
|
||||
// if the gizmo doesn't have the V, F structures for igl, calculate them first:
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
if (m_V.size() == 0)
|
||||
#else
|
||||
if (m_V.size() == 0 || is_mesh_update_necessary())
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
update_mesh();
|
||||
|
||||
Eigen::Matrix<GLint, 4, 1, Eigen::DontAlign> viewport;
|
||||
@ -2064,20 +1964,15 @@ Vec3f GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos)
|
||||
|
||||
igl::Hit hit;
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
const GLCanvas3D::Selection& selection = m_parent.get_selection();
|
||||
const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
|
||||
double z_offset = volume->get_sla_shift_z();
|
||||
#else
|
||||
double z_offset = m_parent.get_selection().get_volume(0)->get_sla_shift_z();
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
point1(2) -= z_offset;
|
||||
point2(2) -= z_offset;
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
Transform3d inv = volume->get_instance_transformation().get_matrix().inverse();
|
||||
#else
|
||||
Transform3d inv = m_instance_matrix.inverse();
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
point1 = inv * point1;
|
||||
point2 = inv * point2;
|
||||
|
||||
@ -2091,7 +1986,9 @@ Vec3f GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos)
|
||||
|
||||
void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
|
||||
{
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
if (!m_editing_mode)
|
||||
return;
|
||||
|
||||
int instance_id = m_parent.get_selection().get_instance_idx();
|
||||
if (m_old_instance_id != instance_id)
|
||||
{
|
||||
@ -2102,7 +1999,6 @@ void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
|
||||
}
|
||||
if (instance_id == -1)
|
||||
return;
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
Vec3f new_pos;
|
||||
try {
|
||||
@ -2112,7 +2008,8 @@ void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
|
||||
|
||||
m_grabbers.push_back(Grabber());
|
||||
m_grabbers.back().center = new_pos.cast<double>();
|
||||
m_model_object->sla_support_points.push_back(new_pos);
|
||||
|
||||
m_model_object->sla_support_points.emplace_back(new_pos, m_new_point_head_diameter, false);
|
||||
|
||||
// This should trigger the support generation
|
||||
// wxGetApp().plater()->reslice();
|
||||
@ -2122,6 +2019,9 @@ void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
|
||||
|
||||
void GLGizmoSlaSupports::delete_current_grabber(bool delete_all)
|
||||
{
|
||||
if (!m_editing_mode && !delete_all)
|
||||
return;
|
||||
|
||||
if (delete_all) {
|
||||
m_grabbers.clear();
|
||||
m_model_object->sla_support_points.clear();
|
||||
@ -2131,26 +2031,29 @@ void GLGizmoSlaSupports::delete_current_grabber(bool delete_all)
|
||||
}
|
||||
else
|
||||
if (m_hover_id != -1) {
|
||||
m_grabbers.erase(m_grabbers.begin() + m_hover_id);
|
||||
m_model_object->sla_support_points.erase(m_model_object->sla_support_points.begin() + m_hover_id);
|
||||
m_hover_id = -1;
|
||||
if (!m_model_object->sla_support_points[m_hover_id].is_new_island || !m_lock_unique_islands) {
|
||||
m_grabbers.erase(m_grabbers.begin() + m_hover_id);
|
||||
m_model_object->sla_support_points.erase(m_model_object->sla_support_points.begin() + m_hover_id);
|
||||
m_hover_id = -1;
|
||||
|
||||
// This should trigger the support generation
|
||||
// wxGetApp().plater()->reslice();
|
||||
// This should trigger the support generation
|
||||
// wxGetApp().plater()->reslice();
|
||||
}
|
||||
}
|
||||
m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
|
||||
}
|
||||
|
||||
void GLGizmoSlaSupports::on_update(const UpdateData& data, const GLCanvas3D::Selection& selection)
|
||||
{
|
||||
if (m_hover_id != -1 && data.mouse_pos) {
|
||||
if (m_editing_mode && m_hover_id != -1 && data.mouse_pos && (!m_model_object->sla_support_points[m_hover_id].is_new_island || !m_lock_unique_islands)) {
|
||||
Vec3f new_pos;
|
||||
try {
|
||||
new_pos = unproject_on_mesh(Vec2d((*data.mouse_pos)(0), (*data.mouse_pos)(1)));
|
||||
}
|
||||
catch (...) { return; }
|
||||
m_grabbers[m_hover_id].center = new_pos.cast<double>();
|
||||
m_model_object->sla_support_points[m_hover_id] = new_pos;
|
||||
m_model_object->sla_support_points[m_hover_id].pos = new_pos;
|
||||
m_model_object->sla_support_points[m_hover_id].is_new_island = false;
|
||||
// Do not update immediately, wait until the mouse is released.
|
||||
// m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
|
||||
}
|
||||
@ -2196,14 +2099,46 @@ void GLGizmoSlaSupports::on_render_input_window(float x, float y, const GLCanvas
|
||||
RENDER_AGAIN:
|
||||
m_imgui->set_next_window_pos(x, y, ImGuiCond_Always);
|
||||
m_imgui->set_next_window_bg_alpha(0.5f);
|
||||
m_imgui->begin(on_get_name(), ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);
|
||||
m_imgui->begin(on_get_name(), ImGuiWindowFlags_NoMove |/* ImGuiWindowFlags_NoResize | */ImGuiWindowFlags_NoCollapse);
|
||||
|
||||
ImGui::PushItemWidth(100.0f);
|
||||
m_imgui->text(_(L("Left mouse click - add point")));
|
||||
m_imgui->text(_(L("Right mouse click - remove point")));
|
||||
m_imgui->text(" ");
|
||||
|
||||
bool generate = m_imgui->button(_(L("Generate points automatically")));
|
||||
bool force_refresh = m_editing_mode;
|
||||
if (m_imgui->radio_button(_(L("Automatic")), !m_editing_mode))
|
||||
m_editing_mode = false;
|
||||
ImGui::SameLine();
|
||||
if (m_imgui->radio_button(_(L("Manual")), m_editing_mode))
|
||||
m_editing_mode = true;
|
||||
force_refresh = force_refresh != m_editing_mode;
|
||||
m_imgui->text("");
|
||||
|
||||
|
||||
|
||||
if (m_editing_mode) {
|
||||
m_imgui->text(_(L("Left mouse click - add point")));
|
||||
m_imgui->text(_(L("Right mouse click - remove point")));
|
||||
m_imgui->text(" ");
|
||||
|
||||
|
||||
std::vector<wxString> options = {"0.2", "0.4", "0.6", "0.8", "1.0"};
|
||||
std::stringstream ss;
|
||||
ss << std::setprecision(1) << m_new_point_head_diameter;
|
||||
wxString str = ss.str();
|
||||
m_imgui->combo(_(L("Head diameter")), options, str);
|
||||
force_refresh |= std::abs(atof(str) - m_new_point_head_diameter) > 0.001;
|
||||
m_new_point_head_diameter = atof(str);
|
||||
|
||||
bool changed = m_lock_unique_islands;
|
||||
m_imgui->checkbox(_(L("Lock supports under new islands")), m_lock_unique_islands);
|
||||
force_refresh |= changed != m_lock_unique_islands;
|
||||
}
|
||||
else {
|
||||
bool generate =m_imgui->button(_(L("Auto-generate points")));
|
||||
force_refresh |= generate;
|
||||
if (generate)
|
||||
wxGetApp().plater()->reslice();
|
||||
}
|
||||
|
||||
bool remove_all_clicked = m_imgui->button(_(L("Remove all points")) + (m_model_object == nullptr ? "" : " (" + std::to_string(m_model_object->sla_support_points.size())+")"));
|
||||
|
||||
m_imgui->end();
|
||||
@ -2216,7 +2151,7 @@ RENDER_AGAIN:
|
||||
}
|
||||
}
|
||||
|
||||
if (remove_all_clicked || generate) {
|
||||
if (remove_all_clicked || force_refresh) {
|
||||
m_parent.reload_scene(true);
|
||||
m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
|
||||
}
|
||||
|
||||
@ -441,27 +441,16 @@ class GLGizmoSlaSupports : public GLGizmoBase
|
||||
{
|
||||
private:
|
||||
ModelObject* m_model_object = nullptr;
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
ModelObject* m_old_model_object = nullptr;
|
||||
int m_old_instance_id = -1;
|
||||
#else
|
||||
Transform3d m_instance_matrix;
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
Vec3f unproject_on_mesh(const Vec2d& mouse_pos);
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
GLUquadricObj* m_quadric;
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
|
||||
Eigen::MatrixXf m_V; // vertices
|
||||
Eigen::MatrixXi m_F; // facets indices
|
||||
igl::AABB<Eigen::MatrixXf,3> m_AABB;
|
||||
|
||||
struct SourceDataSummary {
|
||||
#if !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
BoundingBoxf3 bounding_box;
|
||||
Transform3d matrix;
|
||||
#endif // !ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
Vec3d mesh_first_point;
|
||||
};
|
||||
|
||||
@ -472,12 +461,8 @@ private:
|
||||
|
||||
public:
|
||||
explicit GLGizmoSlaSupports(GLCanvas3D& parent);
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
virtual ~GLGizmoSlaSupports();
|
||||
void set_sla_support_data(ModelObject* model_object, const GLCanvas3D::Selection& selection);
|
||||
#else
|
||||
void set_model_object_ptr(ModelObject* model_object);
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void clicked_on_object(const Vec2d& mouse_position);
|
||||
void delete_current_grabber(bool delete_all);
|
||||
|
||||
@ -487,11 +472,7 @@ private:
|
||||
virtual void on_render(const GLCanvas3D::Selection& selection) const;
|
||||
virtual void on_render_for_picking(const GLCanvas3D::Selection& selection) const;
|
||||
|
||||
#if ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
void render_grabbers(const GLCanvas3D::Selection& selection, bool picking = false) const;
|
||||
#else
|
||||
void render_grabbers(bool picking = false) const;
|
||||
#endif // ENABLE_SLA_SUPPORT_GIZMO_MOD
|
||||
bool is_mesh_update_necessary() const;
|
||||
void update_mesh();
|
||||
|
||||
@ -501,6 +482,10 @@ private:
|
||||
mutable GLTexture m_reset_texture;
|
||||
#endif // not ENABLE_IMGUI
|
||||
|
||||
bool m_lock_unique_islands = false;
|
||||
bool m_editing_mode = false;
|
||||
float m_new_point_head_diameter = 0.4f;
|
||||
|
||||
protected:
|
||||
void on_set_state() override {
|
||||
if (m_state == On && is_mesh_update_necessary()) {
|
||||
|
||||
@ -125,6 +125,12 @@ bool ImGuiWrapper::button(const wxString &label)
|
||||
return ImGui::Button(label_utf8.c_str());
|
||||
}
|
||||
|
||||
bool ImGuiWrapper::radio_button(const wxString &label, bool active)
|
||||
{
|
||||
auto label_utf8 = into_u8(label);
|
||||
return ImGui::RadioButton(label_utf8.c_str(), active);
|
||||
}
|
||||
|
||||
bool ImGuiWrapper::input_double(const std::string &label, const double &value, const std::string &format)
|
||||
{
|
||||
return ImGui::InputDouble(label.c_str(), const_cast<double*>(&value), 0.0f, 0.0f, format.c_str());
|
||||
@ -161,6 +167,26 @@ void ImGuiWrapper::text(const wxString &label)
|
||||
ImGui::Text(label_utf8.c_str(), NULL);
|
||||
}
|
||||
|
||||
|
||||
void ImGuiWrapper::combo(const wxString& label, const std::vector<wxString>& options, wxString& selection)
|
||||
{
|
||||
const char* selection_u8 = into_u8(selection).c_str();
|
||||
|
||||
// this is to force the label to the left of the widget:
|
||||
text(label);
|
||||
ImGui::SameLine();
|
||||
|
||||
if (ImGui::BeginCombo("", selection_u8)) {
|
||||
for (const wxString& option : options) {
|
||||
const char* option_u8 = into_u8(option).c_str();
|
||||
bool is_selected = (selection_u8 == nullptr) ? false : strcmp(option_u8, selection_u8) == 0;
|
||||
if (ImGui::Selectable(option_u8, is_selected))
|
||||
selection = option_u8;
|
||||
}
|
||||
ImGui::EndCombo();
|
||||
}
|
||||
}
|
||||
|
||||
void ImGuiWrapper::disabled_begin(bool disabled)
|
||||
{
|
||||
wxCHECK_RET(!m_disabled, "ImGUI: Unbalanced disabled_begin() call");
|
||||
|
||||
@ -47,10 +47,12 @@ public:
|
||||
void end();
|
||||
|
||||
bool button(const wxString &label);
|
||||
bool radio_button(const wxString &label, bool active);
|
||||
bool input_double(const std::string &label, const double &value, const std::string &format = "%.3f");
|
||||
bool input_vec3(const std::string &label, const Vec3d &value, float width, const std::string &format = "%.3f");
|
||||
bool checkbox(const wxString &label, bool &value);
|
||||
void text(const wxString &label);
|
||||
void combo(const wxString& label, const std::vector<wxString>& options, wxString& current_selection);
|
||||
|
||||
void disabled_begin(bool disabled);
|
||||
void disabled_end();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user