Add possible manipulation of small support diameter.

This commit is contained in:
tamasmeszaros 2020-07-08 11:31:01 +02:00
parent 7c655b5d7e
commit 8cb115a035
9 changed files with 57 additions and 125 deletions

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@ -2715,7 +2715,7 @@ void PrintConfigDef::init_sla_params()
def->set_default_value(new ConfigOptionBool(true));
def = this->add("support_head_front_diameter", coFloat);
def->label = L("Support head front diameter");
def->label = L("Pinhead front diameter");
def->category = L("Supports");
def->tooltip = L("Diameter of the pointing side of the head");
def->sidetext = L("mm");
@ -2724,7 +2724,7 @@ void PrintConfigDef::init_sla_params()
def->set_default_value(new ConfigOptionFloat(0.4));
def = this->add("support_head_penetration", coFloat);
def->label = L("Support head penetration");
def->label = L("Head penetration");
def->category = L("Supports");
def->tooltip = L("How much the pinhead has to penetrate the model surface");
def->sidetext = L("mm");
@ -2733,7 +2733,7 @@ void PrintConfigDef::init_sla_params()
def->set_default_value(new ConfigOptionFloat(0.2));
def = this->add("support_head_width", coFloat);
def->label = L("Support head width");
def->label = L("Pinhead width");
def->category = L("Supports");
def->tooltip = L("Width from the back sphere center to the front sphere center");
def->sidetext = L("mm");
@ -2743,7 +2743,7 @@ void PrintConfigDef::init_sla_params()
def->set_default_value(new ConfigOptionFloat(1.0));
def = this->add("support_pillar_diameter", coFloat);
def->label = L("Support pillar diameter");
def->label = L("Pillar diameter");
def->category = L("Supports");
def->tooltip = L("Diameter in mm of the support pillars");
def->sidetext = L("mm");
@ -2751,6 +2751,17 @@ void PrintConfigDef::init_sla_params()
def->max = 15;
def->mode = comSimple;
def->set_default_value(new ConfigOptionFloat(1.0));
def = this->add("support_small_pillar_diameter_percent", coPercent);
def->label = L("Small pillar diameter percent");
def->category = L("Supports");
def->tooltip = L("The percentage of smaller pillars compared to the normal pillar diameter "
"which are used in problematic areas where a normal pilla cannot fit.");
def->sidetext = L("%");
def->min = 1;
def->max = 100;
def->mode = comExpert;
def->set_default_value(new ConfigOptionPercent(50));
def = this->add("support_max_bridges_on_pillar", coInt);
def->label = L("Max bridges on a pillar");
@ -2763,7 +2774,7 @@ void PrintConfigDef::init_sla_params()
def->set_default_value(new ConfigOptionInt(3));
def = this->add("support_pillar_connection_mode", coEnum);
def->label = L("Support pillar connection mode");
def->label = L("Pillar connection mode");
def->tooltip = L("Controls the bridge type between two neighboring pillars."
" Can be zig-zag, cross (double zig-zag) or dynamic which"
" will automatically switch between the first two depending"

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@ -1018,6 +1018,10 @@ public:
// Radius in mm of the support pillars.
ConfigOptionFloat support_pillar_diameter /*= 0.8*/;
// The percentage of smaller pillars compared to the normal pillar diameter
// which are used in problematic areas where a normal pilla cannot fit.
ConfigOptionPercent support_small_pillar_diameter_percent;
// How much bridge (supporting another pinhead) can be placed on a pillar.
ConfigOptionInt support_max_bridges_on_pillar;
@ -1142,6 +1146,7 @@ protected:
OPT_PTR(support_head_penetration);
OPT_PTR(support_head_width);
OPT_PTR(support_pillar_diameter);
OPT_PTR(support_small_pillar_diameter_percent);
OPT_PTR(support_max_bridges_on_pillar);
OPT_PTR(support_pillar_connection_mode);
OPT_PTR(support_buildplate_only);

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@ -44,6 +44,8 @@ struct SupportTreeConfig
// Radius of the back side of the 3d arrow.
double head_back_radius_mm = 0.5;
double head_fallback_radius_mm = 0.25;
// Width in mm from the back sphere center to the front sphere center.
double head_width_mm = 1.0;

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@ -25,119 +25,6 @@ static Hit min_hit(const C &hits)
return *mit;
}
//IndexedMesh::hit_result query_hit(const SupportableMesh &msh, const Head &h)
//{
// static const size_t SAMPLES = 8;
// // Move away slightly from the touching point to avoid raycasting on the
// // inner surface of the mesh.
// const double& sd = msh.cfg.safety_distance_mm;
// auto& m = msh.emesh;
// using HitResult = IndexedMesh::hit_result;
// // Hit results
// std::array<HitResult, SAMPLES> hits;
// Vec3d s1 = h.pos, s2 = h.junction_point();
// struct Rings {
// double rpin;
// double rback;
// Vec3d spin;
// Vec3d sback;
// PointRing<SAMPLES> ring;
// Vec3d backring(size_t idx) { return ring.get(idx, sback, rback); }
// Vec3d pinring(size_t idx) { return ring.get(idx, spin, rpin); }
// } rings {h.r_pin_mm + sd, h.r_back_mm + sd, s1, s2, h.dir};
// // We will shoot multiple rays from the head pinpoint in the direction
// // of the pinhead robe (side) surface. The result will be the smallest
// // hit distance.
// auto hitfn = [&m, &rings, sd](HitResult &hit, size_t i) {
// // Point on the circle on the pin sphere
// Vec3d ps = rings.pinring(i);
// // This is the point on the circle on the back sphere
// Vec3d p = rings.backring(i);
// // Point ps is not on mesh but can be inside or
// // outside as well. This would cause many problems
// // with ray-casting. To detect the position we will
// // use the ray-casting result (which has an is_inside
// // predicate).
// Vec3d n = (p - ps).normalized();
// auto q = m.query_ray_hit(ps + sd * n, n);
// if (q.is_inside()) { // the hit is inside the model
// if (q.distance() > rings.rpin) {
// // If we are inside the model and the hit
// // distance is bigger than our pin circle
// // diameter, it probably indicates that the
// // support point was already inside the
// // model, or there is really no space
// // around the point. We will assign a zero
// // hit distance to these cases which will
// // enforce the function return value to be
// // an invalid ray with zero hit distance.
// // (see min_element at the end)
// hit = HitResult(0.0);
// } else {
// // re-cast the ray from the outside of the
// // object. The starting point has an offset
// // of 2*safety_distance because the
// // original ray has also had an offset
// auto q2 = m.query_ray_hit(ps + (q.distance() + 2 * sd) * n, n);
// hit = q2;
// }
// } else
// hit = q;
// };
// ccr::enumerate(hits.begin(), hits.end(), hitfn);
// return min_hit(hits);
//}
//IndexedMesh::hit_result query_hit(const SupportableMesh &msh, const Bridge &br, double safety_d)
//{
// static const size_t SAMPLES = 8;
// Vec3d dir = (br.endp - br.startp).normalized();
// PointRing<SAMPLES> ring{dir};
// using Hit = IndexedMesh::hit_result;
// // Hit results
// std::array<Hit, SAMPLES> hits;
// double sd = std::isnan(safety_d) ? msh.cfg.safety_distance_mm : safety_d;
// auto hitfn = [&msh, &br, &ring, dir, sd] (Hit &hit, size_t i) {
// // Point on the circle on the pin sphere
// Vec3d p = ring.get(i, br.startp, br.r + sd);
// auto hr = msh.emesh.query_ray_hit(p + br.r * dir, dir);
// if(hr.is_inside()) {
// if(hr.distance() > 2 * br.r + sd) hit = Hit(0.0);
// else {
// // re-cast the ray from the outside of the object
// hit = msh.emesh.query_ray_hit(p + (hr.distance() + 2 * sd) * dir, dir);
// }
// } else hit = hr;
// };
// ccr::enumerate(hits.begin(), hits.end(), hitfn);
// return min_hit(hits);
//}
SupportTreeBuildsteps::SupportTreeBuildsteps(SupportTreeBuilder & builder,
const SupportableMesh &sm)
: m_cfg(sm.cfg)
@ -282,15 +169,18 @@ bool SupportTreeBuildsteps::execute(SupportTreeBuilder & builder,
}
IndexedMesh::hit_result SupportTreeBuildsteps::pinhead_mesh_intersect(
const Vec3d &s, const Vec3d &dir, double r_pin, double r_back, double width)
const Vec3d &s,
const Vec3d &dir,
double r_pin,
double r_back,
double width,
double sd)
{
static const size_t SAMPLES = 8;
// Move away slightly from the touching point to avoid raycasting on the
// inner surface of the mesh.
const double& sd = m_cfg.safety_distance_mm;
auto& m = m_mesh;
using HitResult = IndexedMesh::hit_result;
@ -836,12 +726,17 @@ void SupportTreeBuildsteps::add_pinheads()
// First we need to determine the available space for a mini pinhead.
// The goal is the move away from the model a little bit to make the
// contact point small as possible and avoid pearcing the model body.
double pin_space = std::min(2 * R, bridge_mesh_distance(sph, n, R, 0.));
double back_r = m_cfg.head_fallback_radius_mm;
double max_w = 2 * R;
double pin_space = std::min(max_w,
pinhead_mesh_intersect(sph, n, R, back_r,
max_w, 0.)
.distance());
if (pin_space <= 0) continue;
m_iheads.emplace_back(i);
m_builder.add_head(i, R, R, pin_space,
m_builder.add_head(i, back_r, R, pin_space,
m_cfg.head_penetration_mm, n, sph);
}
}

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@ -238,7 +238,19 @@ class SupportTreeBuildsteps {
const Vec3d& dir,
double r_pin,
double r_back,
double width);
double width,
double safety_d);
IndexedMesh::hit_result pinhead_mesh_intersect(
const Vec3d& s,
const Vec3d& dir,
double r_pin,
double r_back,
double width)
{
return pinhead_mesh_intersect(s, dir, r_pin, r_back, width,
m_cfg.safety_distance_mm);
}
// Checking bridge (pillar and stick as well) intersection with the model.
// If the function is used for headless sticks, the ins_check parameter

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@ -41,7 +41,10 @@ sla::SupportTreeConfig make_support_cfg(const SLAPrintObjectConfig& c)
scfg.enabled = c.supports_enable.getBool();
scfg.head_front_radius_mm = 0.5*c.support_head_front_diameter.getFloat();
scfg.head_back_radius_mm = 0.5*c.support_pillar_diameter.getFloat();
double pillar_r = 0.5 * c.support_pillar_diameter.getFloat();
scfg.head_back_radius_mm = pillar_r;
scfg.head_fallback_radius_mm =
0.01 * c.support_small_pillar_diameter_percent.getFloat() * pillar_r;
scfg.head_penetration_mm = c.support_head_penetration.getFloat();
scfg.head_width_mm = c.support_head_width.getFloat();
scfg.object_elevation_mm = is_zero_elevation(c) ?
@ -925,6 +928,7 @@ bool SLAPrintObject::invalidate_state_by_config_options(const std::vector<t_conf
|| opt_key == "support_head_penetration"
|| opt_key == "support_head_width"
|| opt_key == "support_pillar_diameter"
|| opt_key == "support_small_pillar_diameter_percent"
|| opt_key == "support_max_bridges_on_pillar"
|| opt_key == "support_pillar_connection_mode"
|| opt_key == "support_buildplate_only"

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@ -353,6 +353,7 @@ void ConfigManipulation::toggle_print_sla_options(DynamicPrintConfig* config)
toggle_field("support_head_penetration", supports_en);
toggle_field("support_head_width", supports_en);
toggle_field("support_pillar_diameter", supports_en);
toggle_field("support_small_pillar_diameter_percent", supports_en);
toggle_field("support_max_bridges_on_pillar", supports_en);
toggle_field("support_pillar_connection_mode", supports_en);
toggle_field("support_buildplate_only", supports_en);

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@ -496,6 +496,7 @@ const std::vector<std::string>& Preset::sla_print_options()
"support_head_penetration",
"support_head_width",
"support_pillar_diameter",
"support_small_pillar_diameter_percent",
"support_max_bridges_on_pillar",
"support_pillar_connection_mode",
"support_buildplate_only",

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@ -3919,6 +3919,7 @@ void TabSLAPrint::build()
optgroup = page->new_optgroup(L("Support pillar"));
optgroup->append_single_option_line("support_pillar_diameter");
optgroup->append_single_option_line("support_small_pillar_diameter_percent");
optgroup->append_single_option_line("support_max_bridges_on_pillar");
optgroup->append_single_option_line("support_pillar_connection_mode");