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compute size of vertices and edges the first time

This commit is contained in:
Guillaume Damiand 2025-04-18 11:08:32 +02:00
parent a36d0d4df8
commit 6153c05ebd
1 changed files with 33 additions and 19 deletions
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52
Basic_viewer/include/CGAL/Qt/Basic_viewer.h
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@ -100,6 +100,7 @@ public:
m_inverse_normal(inverse_normal), m_inverse_normal(inverse_normal),
m_no_2D_mode(no_2D_mode), m_no_2D_mode(no_2D_mode),
m_geometry_feature_enabled(true), m_geometry_feature_enabled(true),
m_prev_scene_empty(true),
m_default_color_normal(220, 60, 20), m_default_color_normal(220, 60, 20),
m_ambient_color(0.6f, 0.5f, 0.5f, 0.5f), m_ambient_color(0.6f, 0.5f, 0.5f, 0.5f),
m_are_buffers_initialized(false) m_are_buffers_initialized(false)
@ -157,24 +158,6 @@ public:
setWindowTitle(title); setWindowTitle(title);
resize(CGAL_BASIC_VIEWER_INIT_SIZE_X, CGAL_BASIC_VIEWER_INIT_SIZE_Y); resize(CGAL_BASIC_VIEWER_INIT_SIZE_X, CGAL_BASIC_VIEWER_INIT_SIZE_Y);
if (inverse_normal)
{ reverse_all_normals(); }
if(!buf.empty())
{
auto& bbox=buf.bounding_box();
double d=CGAL::sqrt(CGAL::squared_distance
(Local_point(bbox.xmin(), bbox.ymin(), bbox.zmin()),
Local_point(bbox.xmax(), bbox.ymax(), bbox.zmax())));
// std::cout<<"Length of the diagonal: "<<d<<std::endl;
m_size_vertices=1.5*d;
m_size_edges=d;
m_size_rays=m_size_edges;
m_size_lines=m_size_edges;
m_size_normals=d/3;
m_height_factor_normals=0.02;
}
} }
~Basic_viewer() ~Basic_viewer()
@ -306,6 +289,9 @@ public:
{ {
initialize_buffers(); initialize_buffers();
update(); update();
if(m_prev_scene_empty)
{ initialize_vertices_and_edges_size(); }
m_prev_scene_empty=(m_scene.empty());
} }
void reverse_all_normals() void reverse_all_normals()
@ -1471,13 +1457,40 @@ protected:
if (max_geometry_output_vertices < 128 || max_geometry_output_components < 1024) if (max_geometry_output_vertices < 128 || max_geometry_output_components < 1024)
{ {
std::cout << "Cylinder edge and sphere vertex feature disabled! (max_geometry_output_vertices=" << max_geometry_output_vertices << ", max_geometry_output_components=" << max_geometry_output_components << ")\n"; std::cout << "Cylinder edge and sphere vertex feature disabled! (max_geometry_output_vertices="
<< max_geometry_output_vertices << ", max_geometry_output_components="
<< max_geometry_output_components << ")\n";
m_geometry_feature_enabled = false; m_geometry_feature_enabled = false;
} }
/// This code cannot be done in the constructor, because the Graphics_scene
/// is not yet created (cf. for example LCC demo).
if (m_inverse_normal)
{ reverse_all_normals(); }
initialize_vertices_and_edges_size();
this->showEntireScene(); this->showEntireScene();
} }
void initialize_vertices_and_edges_size()
{
if(!m_scene.empty())
{
auto& bbox=m_scene.bounding_box();
double d=CGAL::sqrt(CGAL::squared_distance
(Local_point(bbox.xmin(), bbox.ymin(), bbox.zmin()),
Local_point(bbox.xmax(), bbox.ymax(), bbox.zmax())));
// std::cout<<"Length of the diagonal: "<<d<<std::endl;
m_size_vertices=1.5*d;
m_size_edges=d;
m_size_rays=m_size_edges;
m_size_lines=m_size_edges;
m_size_normals=d/3;
m_height_factor_normals=0.02;
}
}
void generate_clipping_plane() void generate_clipping_plane()
{ {
qreal size=((m_scene.bounding_box().xmax()-m_scene.bounding_box().xmin()) + qreal size=((m_scene.bounding_box().xmax()-m_scene.bounding_box().xmin()) +
@ -1860,6 +1873,7 @@ protected:
bool m_inverse_normal; bool m_inverse_normal;
bool m_no_2D_mode; bool m_no_2D_mode;
bool m_geometry_feature_enabled; bool m_geometry_feature_enabled;
bool m_prev_scene_empty;
enum { enum {
CLIPPING_PLANE_OFF = 0, CLIPPING_PLANE_OFF = 0,