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Fix the picking

This commit is contained in:
Laurent Rineau 2022-05-16 17:12:00 +02:00
parent 213da3115f
commit b32619fedd
2 changed files with 3 additions and 4 deletions
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2
GraphicsView/include/CGAL/Qt/camera.h
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@ -475,7 +475,7 @@ inline void read_pixel(const QPoint &pixel, QOpenGLFunctions *p,
GLvoid *pixel_data) {
const auto pixel_ratio = camera->devicePixelRatio();
p->glReadPixels(pixel.x() * pixel_ratio,
(camera->screenHeight() - 1 - pixel.y()) * pixel_ratio, 1, 1,
(camera->screenHeight() - pixel.y()) * pixel_ratio - 1, 1, 1,
format, type, pixel_data);
}

5
Polyhedron/demo/Polyhedron/Scene.cpp
View File

@ -563,9 +563,8 @@ void Scene::renderScene(const QList<Scene_interface::Item_id> &items,
if(with_names) {
// read depth buffer at pick location;
float depth = 1.0;
depth = read_depth_under_pixel(picked_pixel, viewer, viewer->camera());
if (depth != 1.0)
float depth = read_depth_under_pixel(picked_pixel, viewer, viewer->camera());
if (depth < 2.0)
{
//add object to list of picked objects;
picked_item_IDs[depth] = index;