libsurf
Programmer's Documentation
libsurf
Programmer's Documentation
Compute slices through a triangular surface mesh.
#include <meshsections.h>
Public Member Functions | |
| MeshSections (const TriMesh &m) | |
| initialize section generator with mesh | |
| uint | findPolygons (const Plane &pln) |
| find set of polygons | |
| uint | npolygons () const |
| number of current polygons | |
| Real | area (const Plane &pln) const |
| compute area of all polygons | |
| void | areaDistribution (Real alpha, int n, Matrix &xa) |
| convenience function: area from n slices | |
| void | joinPolygons (Real tol=gmepsilon) |
| join multiple open polygons if possible | |
| const PointList< 3 > & | polygon (int i) const |
| access point set for polygon i | |
| void | addViz (MeshFields &mvz) const |
| add polygons to visu | |
| void | writePlain (std::ostream &os) const |
| write sections to plain text file | |
Private Member Functions | |
| void | triangleFromPlane (const Plane &pln) |
| construct triangle from plane | |
| bool | fintersect (uint ti, Vct3 &ps, Vct3 &pt) const |
| test for intersection | |
| uint | newPolygon (Indices &tix) |
| start new polygon from scratch | |
| uint | nextTriangle (uint ti, Indices &tix, const Vct3 &plast, Vct3 &pnext) const |
| find next triangle of candidates | |
Private Attributes | |
| const TriMesh & | msh |
| reference to mesh | |
| FaceTree | ftree |
| tree used to quickly find intersection candidates | |
| BndBox | bb |
| bounding box of the complete mesh | |
| Vct3 | ptri [3] |
| current triangle vertices | |
| std::vector< PointList< 3 > > | pgs |
| polygons identified | |
1.8.5