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Fix intersected cells display.

This commit is contained in:
Maxime Gimeno 2017-01-10 12:09:19 +01:00
parent 4f012205a9
commit a6cb74eec7
1 changed files with 32 additions and 19 deletions
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17
Polyhedron/demo/Polyhedron/Scene_c3t3_item.cpp
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@ -349,6 +349,7 @@ struct Scene_c3t3_item_priv {
QPixmap histogram_; QPixmap histogram_;
typedef std::set<int> Indices; typedef std::set<int> Indices;
Indices indices_; Indices indices_;
std::set<Tr::Cell_handle> intersected_cells;
//!Allows OpenGL 2.1 context to get access to glDrawArraysInstanced. //!Allows OpenGL 2.1 context to get access to glDrawArraysInstanced.
typedef void (APIENTRYP PFNGLDRAWARRAYSINSTANCEDARBPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount); typedef void (APIENTRYP PFNGLDRAWARRAYSINSTANCEDARBPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
@ -1252,6 +1253,10 @@ void Scene_c3t3_item_priv::initializeBuffers(CGAL::Three::Viewer_interface *view
void Scene_c3t3_item_priv::computeIntersection(const Primitive& facet) void Scene_c3t3_item_priv::computeIntersection(const Primitive& facet)
{ {
if(intersected_cells.find(facet.id().first) == intersected_cells.end())
{
const Kernel::Point_3& pa = facet.id().first->vertex(0)->point(); const Kernel::Point_3& pa = facet.id().first->vertex(0)->point();
const Kernel::Point_3& pb = facet.id().first->vertex(1)->point(); const Kernel::Point_3& pb = facet.id().first->vertex(1)->point();
const Kernel::Point_3& pc = facet.id().first->vertex(2)->point(); const Kernel::Point_3& pc = facet.id().first->vertex(2)->point();
@ -1265,22 +1270,29 @@ void Scene_c3t3_item_priv::computeIntersection(const Primitive& facet)
intersection->addTriangle(pa, pb, pd, color); intersection->addTriangle(pa, pb, pd, color);
intersection->addTriangle(pa, pd, pc, color); intersection->addTriangle(pa, pd, pc, color);
intersection->addTriangle(pb, pc, pd, color); intersection->addTriangle(pb, pc, pd, color);
intersected_cells.insert(facet.id().first);
}
{ {
Tr::Cell_handle nh = facet.id().first->neighbor(facet.id().second); Tr::Cell_handle nh = facet.id().first->neighbor(facet.id().second);
if(c3t3.is_in_complex(nh)){ if(c3t3.is_in_complex(nh)){
if(intersected_cells.find(nh) == intersected_cells.end())
{
const Kernel::Point_3& pa = nh->vertex(0)->point(); const Kernel::Point_3& pa = nh->vertex(0)->point();
const Kernel::Point_3& pb = nh->vertex(1)->point(); const Kernel::Point_3& pb = nh->vertex(1)->point();
const Kernel::Point_3& pc = nh->vertex(2)->point(); const Kernel::Point_3& pc = nh->vertex(2)->point();
const Kernel::Point_3& pd = nh->vertex(3)->point(); const Kernel::Point_3& pd = nh->vertex(3)->point();
QColor c = this->colors[nh->subdomain_index()].darker(150);
CGAL::Color color(c.red(), c.green(), c.blue());
intersection->addTriangle(pb, pa, pc, color); intersection->addTriangle(pb, pa, pc, color);
intersection->addTriangle(pa, pb, pd, color); intersection->addTriangle(pa, pb, pd, color);
intersection->addTriangle(pa, pd, pc, color); intersection->addTriangle(pa, pd, pc, color);
intersection->addTriangle(pb, pc, pd, color); intersection->addTriangle(pb, pc, pd, color);
intersected_cells.insert(nh);
}
} }
} }
} }
struct ComputeIntersection { struct ComputeIntersection {
@ -1307,6 +1319,7 @@ void Scene_c3t3_item_priv::computeIntersections()
const Kernel::Plane_3& plane = item->plane(); const Kernel::Plane_3& plane = item->plane();
tree.all_intersected_primitives(plane, tree.all_intersected_primitives(plane,
boost::make_function_output_iterator(ComputeIntersection(*this))); boost::make_function_output_iterator(ComputeIntersection(*this)));
intersected_cells.clear();
} }
void Scene_c3t3_item_priv::computeSpheres() void Scene_c3t3_item_priv::computeSpheres()