3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Recover outer top radius for the new pad.

Browse source 
Inner top, bottom and outer bottom radius still missing.
This commit is contained in:
tamasmeszaros 2019-01-04 16:57:27 +01:00
parent f761691b7d
commit fa5c96dfb9
1 changed files with 49 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

57
src/libslic3r/SLA/SLABasePool.cpp
View file

@ -458,7 +458,7 @@ void create_base_pool(const ExPolygons &ground_layer, TriangleMesh& out,
const PoolConfig& cfg)
{
double mergedist = 2*(1.8*cfg.min_wall_thickness_mm /*+ 4*cfg.edge_radius_mm*/)+
double mergedist = 2*(1.8*cfg.min_wall_thickness_mm + 4*cfg.edge_radius_mm)+
cfg.max_merge_distance_mm;
auto concavehs = concave_hull(ground_layer, mergedist, cfg.throw_on_cancel);
@ -470,12 +470,16 @@ void create_base_pool(const ExPolygons &ground_layer, TriangleMesh& out,
const double thickness = cfg.min_wall_thickness_mm;
const double wingheight = cfg.min_wall_height_mm;
const coord_t s_thickness = mm(thickness);
// const coord_t s_eradius = mm(cfg.edge_radius_mm);
const coord_t s_safety_dist = /*2*s_eradius +*/ coord_t(0.8*s_thickness);
// const coord_t wheight = mm(cfg.min_wall_height_mm);
const double fullheight = wingheight + thickness;
const double tilt = PI/4;
coord_t s_wingdist = mm(wingheight / std::tan(tilt));
const double wingdist = wingheight / std::tan(tilt);
// scaled values
const coord_t s_thickness = mm(thickness);
const coord_t s_eradius = mm(cfg.edge_radius_mm);
const coord_t s_safety_dist = 2*s_eradius + coord_t(0.8*s_thickness);
// const coord_t wheight = mm(cfg.min_wall_height_mm);
coord_t s_wingdist = mm(wingdist);
// Here lies the trick that does the smooting only with clipper offset
// calls. The offset is configured to round edges. Inner edges will
@ -500,10 +504,47 @@ void create_base_pool(const ExPolygons &ground_layer, TriangleMesh& out,
Contour3D pool;
double fullheight = wingheight + thickness;
ExPolygon ob = outer_base; double wh = 0;
// now we will calculate the angle or portion of the circle from
// pi/2 that will connect perfectly with the bottom plate.
// this is a tangent point calculation problem and the equation can
// be found for example here:
// http://www.ambrsoft.com/TrigoCalc/Circles2/CirclePoint/CirclePointDistance.htm
// the y coordinate would be:
// y = cy + (r^2*py - r*px*sqrt(px^2 + py^2 - r^2) / (px^2 + py^2)
// where px and py are the coordinates of the point outside the circle
// cx and cy are the circle center, r is the radius
// to get the angle we use arcsin function and subtract 90 degrees then
// flip the sign to get the right input to the round_edge function.
double r = cfg.edge_radius_mm;
double cy = 0;
double cx = 0;
double px = thickness + wingdist;
double py = r - fullheight;
double pxcx = px - cx;
double pycy = py - cy;
double b_2 = pxcx*pxcx + pycy*pycy;
double r_2 = r*r;
double D = std::sqrt(b_2 - r_2);
double vy = (r_2*pycy - r*pxcx*D) / b_2;
double phi = -(std::asin(vy/r) * 180 / PI - 90);
auto curvedwalls = round_edges(ob,
r,
phi, // 170 degrees
0, // z position of the input plane
true,
cfg.throw_on_cancel,
ob, wh);
pool.merge(curvedwalls);
auto& thrcl = cfg.throw_on_cancel;
auto pwalls = walls(top_poly, inner_base, 0, -fullheight, thrcl);
auto pwalls = walls(ob, inner_base, wh, -fullheight, thrcl);
pool.merge(pwalls);
auto cavitywalls = walls(inner_base, middle_base, -wingheight, 0, thrcl);