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massaging Isosurfacing examples 

rename mesh offset to signed mesh offset
This commit is contained in:
Pierre Alliez 2022-11-21 19:37:24 +01:00
parent e627a68205
commit 1a50b533c7
3 changed files with 7 additions and 7 deletions
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4
Isosurfacing_3/examples/Isosurfacing_3/CMakeLists.txt
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@ -8,7 +8,7 @@ find_package(CGAL REQUIRED)
create_single_source_cgal_program( "marching_cubes_implicit_sphere.cpp" )
create_single_source_cgal_program( "marching_cubes_cartesian_grid_sphere.cpp" )
create_single_source_cgal_program( "marching_cubes_mesh_offset.cpp" )
create_single_source_cgal_program( "marching_cubes_signed_mesh_offset.cpp" )
create_single_source_cgal_program( "marching_cubes_inrimage.cpp" )
find_package(Eigen3 3.1.0 QUIET) #(3.1.0 or greater)
@ -37,7 +37,7 @@ include(CGAL_TBB_support)
if(TARGET CGAL::TBB_support)
target_link_libraries(marching_cubes_implicit_sphere PRIVATE CGAL::TBB_support)
target_link_libraries(marching_cubes_cartesian_grid_sphere PRIVATE CGAL::TBB_support)
target_link_libraries(marching_cubes_mesh_offset PRIVATE CGAL::TBB_support)
target_link_libraries(marching_cubes_signed_mesh_offset PRIVATE CGAL::TBB_support)
target_link_libraries(marching_cubes_inrimage PRIVATE CGAL::TBB_support)
if(TARGET CGAL::Eigen3_support)

2
Isosurfacing_3/examples/Isosurfacing_3/dual_contouring_cartesian_grid.cpp
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@ -19,7 +19,7 @@ int main() {
// create bounding box and grid
const CGAL::Bbox_3 bbox(-1.0, -1.0, -1.0, 1.0, 1.0, 1.0);
std::shared_ptr<Grid> grid = std::make_shar ed<Grid>(30, 30, 30, bbox);
std::shared_ptr<Grid> grid = std::make_shared<Grid>(30, 30, 30, bbox);
// compute field values and gradients
for (std::size_t x = 0; x < grid->xdim(); x++) {

8
Isosurfacing_3/examples/Isosurfacing_3/marching_cubes_mesh_offset.cpp → Isosurfacing_3/examples/Isosurfacing_3/marching_cubes_signed_mesh_offset.cpp
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@ -49,7 +49,7 @@ int main() {
// compute loose bounding box of the mesh
CGAL::Bbox_3 aabb_grid = CGAL::Polygon_mesh_processing::bbox(mesh_input);
const FT loose_offset = offset_value + 0 .01;
const FT loose_offset = offset_value + 0.01;
Vector aabb_increase_vec = Vector(loose_offset, loose_offset, loose_offset);
aabb_grid += (Point(aabb_grid.xmax(), aabb_grid.ymax(), aabb_grid.zmax()) + aabb_increase_vec).bbox();
aabb_grid += (Point(aabb_grid.xmin(), aabb_grid.ymin(), aabb_grid.zmin()) - aabb_increase_vec).bbox();
@ -85,13 +85,13 @@ int main() {
// create domain from the grid
auto domain = CGAL::Isosurfacing::create_explicit_cartesian_grid_domain<Kernel>(grid);
// prepare collections for output indexed surface mesh
// containers for output indexed triangle soup
Point_range points;
Polygon_range polygons;
// execute marching cubes with an isovalue equating offset
CGAL::Isosurfacing::marching_cubes(domain, offset_value, points, polygons);
// save output indexed surface mesh to a file, in the OFF format
CGAL::IO::write_OFF("result.off", points, polygons);
// save output indexed triangle soup to a file, in the OFF format
CGAL::IO::write_OFF("output.off", points, polygons);
}