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Merge branch 'master' of https://github.com/prusa3d/Slic3r into et_canvas_gui_refactoring

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Enrico Turri 2019-03-26 14:08:46 +01:00
commit 52f11a6f0d
6 changed files with 48 additions and 18 deletions
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17
src/slic3r/GUI/GLCanvas3D.cpp
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@ -3986,23 +3986,28 @@ void GLCanvas3D::_render_sla_slices() const
if ((bottom_obj_triangles.empty() || bottom_sup_triangles.empty() || top_obj_triangles.empty() || top_sup_triangles.empty()) && obj->is_step_done(slaposIndexSlices))
{
double layer_height = print->default_object_config().layer_height.value;
double initial_layer_height = print->material_config().initial_layer_height.value;
LevelID key_zero = obj->get_slice_records().begin()->key();
LevelID key_low = LevelID((clip_min_z - initial_layer_height) / SCALING_FACTOR) + key_zero;
// Slice at the center of the slab starting at clip_min_z will be rendered for the lower plane.
LevelID key_low = LevelID((clip_min_z - initial_layer_height + layer_height) / SCALING_FACTOR) + key_zero;
// Slice at the center of the slab ending at clip_max_z will be rendered for the upper plane.
LevelID key_high = LevelID((clip_max_z - initial_layer_height) / SCALING_FACTOR) + key_zero;
auto slice_range = obj->get_slice_records(key_low - LevelID(SCALED_EPSILON), key_high - LevelID(SCALED_EPSILON));
auto it_low = slice_range.begin();
auto it_high = std::prev(slice_range.end());
// Offset to avoid OpenGL Z fighting between the object's horizontal surfaces and the triangluated surfaces of the cuts.
double plane_shift_z = 0.002f;
if (! it_low.is_end() && it_low->key() < key_low + LevelID(SCALED_EPSILON)) {
const ExPolygons& obj_bottom = obj->get_slices_from_record(it_low, soModel);
const ExPolygons& sup_bottom = obj->get_slices_from_record(it_low, soSupport);
// calculate model bottom cap
if (bottom_obj_triangles.empty() && !obj_bottom.empty())
bottom_obj_triangles = triangulate_expolygons_3d(obj_bottom, clip_min_z, true);
bottom_obj_triangles = triangulate_expolygons_3d(obj_bottom, clip_min_z - plane_shift_z, true);
// calculate support bottom cap
if (bottom_sup_triangles.empty() && !sup_bottom.empty())
bottom_sup_triangles = triangulate_expolygons_3d(sup_bottom, clip_min_z, true);
bottom_sup_triangles = triangulate_expolygons_3d(sup_bottom, clip_min_z - plane_shift_z, true);
}
if (! it_high.is_end() && it_high->key() < key_high + LevelID(SCALED_EPSILON)) {
@ -4010,10 +4015,10 @@ void GLCanvas3D::_render_sla_slices() const
const ExPolygons& sup_top = obj->get_slices_from_record(it_high, soSupport);
// calculate model top cap
if (top_obj_triangles.empty() && !obj_top.empty())
top_obj_triangles = triangulate_expolygons_3d(obj_top, clip_max_z, false);
top_obj_triangles = triangulate_expolygons_3d(obj_top, clip_max_z + plane_shift_z, false);
// calculate support top cap
if (top_sup_triangles.empty() && !sup_top.empty())
top_sup_triangles = triangulate_expolygons_3d(sup_top, clip_max_z, false);
top_sup_triangles = triangulate_expolygons_3d(sup_top, clip_max_z + plane_shift_z, false);
}
}