3D-printing/OrcaSlicer
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Vojtech's improvements in the SLA preview cutting dialog.

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This commit is contained in:
bubnikv 2019-04-11 15:44:32 +02:00
parent 678c513cb9
commit 4a210aeecf
7 changed files with 86 additions and 65 deletions
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16
src/libslic3r/TriangleMesh.cpp
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@ -805,14 +805,7 @@ void TriangleMeshSlicer::slice(const std::vector<float> &z, std::vector<Polygons
void TriangleMeshSlicer::_slice_do(size_t facet_idx, std::vector<IntersectionLines>* lines, boost::mutex* lines_mutex,
const std::vector<float> &z) const
{
const stl_facet &facet_orig = this->mesh->stl.facet_start[facet_idx];
stl_facet facet = facet_orig;
if (m_use_quaternion) {
facet.vertex[0] = m_quaternion * facet.vertex[0];
facet.vertex[1] = m_quaternion * facet.vertex[1];
facet.vertex[2] = m_quaternion * facet.vertex[2];
}
const stl_facet &facet = m_use_quaternion ? this->mesh->stl.facet_start[facet_idx].rotated(m_quaternion) : this->mesh->stl.facet_start[facet_idx];
// find facet extents
const float min_z = fminf(facet.vertex[0](2), fminf(facet.vertex[1](2), facet.vertex[2](2)));
@ -884,7 +877,7 @@ TriangleMeshSlicer::FacetSliceType TriangleMeshSlicer::slice_facet(
const int *vertices = this->mesh->stl.v_indices[facet_idx].vertex;
int i = (facet.vertex[1].z() == min_z) ? 1 : ((facet.vertex[2].z() == min_z) ? 2 : 0);
// These are used only if the cut plane is inclined:
// These are used only if the cut plane is tilted:
stl_vertex rotated_a;
stl_vertex rotated_b;
@ -909,10 +902,11 @@ TriangleMeshSlicer::FacetSliceType TriangleMeshSlicer::slice_facet(
// Is edge or face aligned with the cutting plane?
if (a->z() == slice_z && b->z() == slice_z) {
// Edge is horizontal and belongs to the current layer.
// The following rotation of the three vertices may not be efficient, but this branch happens rarely.
const stl_vertex &v0 = m_use_quaternion ? stl_vertex(m_quaternion * this->v_scaled_shared[vertices[0]]) : this->v_scaled_shared[vertices[0]];
const stl_vertex &v1 = m_use_quaternion ? stl_vertex(m_quaternion * this->v_scaled_shared[vertices[1]]) : this->v_scaled_shared[vertices[1]];
const stl_vertex &v2 = m_use_quaternion ? stl_vertex(m_quaternion * this->v_scaled_shared[vertices[2]]) : this->v_scaled_shared[vertices[2]];
const stl_normal &normal = m_use_quaternion ? stl_vertex(m_quaternion * this->mesh->stl.facet_start[facet_idx].normal) : this->mesh->stl.facet_start[facet_idx].normal;
const stl_normal &normal = facet.normal;
// We may ignore this edge for slicing purposes, but we may still use it for object cutting.
FacetSliceType result = Slicing;
if (min_z == max_z) {
@ -1029,7 +1023,7 @@ TriangleMeshSlicer::FacetSliceType TriangleMeshSlicer::slice_facet(
i = vertices[2];
assert(i != line_out->a_id && i != line_out->b_id);
line_out->edge_type = ((m_use_quaternion ?
m_quaternion * this->v_scaled_shared[i].z()
(m_quaternion * this->v_scaled_shared[i]).z()
: this->v_scaled_shared[i].z()) < slice_z) ? feTop : feBottom;
}
#endif