The PolygonSimplifier class reduces the amount of polygons present in a Geometry using a quadric error metric. More...
#include <PolygonSimplifier.hpp>
Classes | |
| class | QErr |
| The quadric error metric as defined by PolygonSimplifier. More... | |
| class | Triangle |
| A Triangle as defined by PolygonSimplifier. More... | |
| class | Vertex |
| A Vertex as defined by PolygonSimplifier. More... | |
Public Member Functions | |
| PolygonSimplifier () | |
| virtual const char * | className () |
| Returns the name of the class. | |
| void | simplify (float simplification_ratio, Geometry *geom) |
| void | simplify (int target_vertex_count, Geometry *geom) |
| void | simplify (int target_vertex_count, std::vector< fvec3 > &in_out_verts, std::vector< int > &in_out_tris) |
| void | setProtectedVertices (const std::vector< int > &protected_verts) |
| int | simplifiedVerticesCount () const |
| Vertex * | simplifiedVertices (int index) const |
| int | simplifiedTrianglesCount () const |
| Triangle * | simplifiedTriangles (int index) const |
| void | clearTrianglesAndVertices () |
| bool | removeDoubles () const |
| void | setRemoveDoubles (bool remove_doubles) |
| bool | verbose () const |
| void | setVerbose (bool verbose) |
| bool | quick () const |
| void | setQuick (bool quick) |
Protected Member Functions | |
| void | collapse (Vertex *v) |
| void | computeCollapseInfo (Vertex *v) |
Protected Attributes | |
| std::vector< Vertex * > | mSimplifiedVertices |
| std::vector< Triangle * > | mSimplifiedTriangles |
| std::vector< int > | mProtectedVerts |
| bool | mRemoveDoubles |
| bool | mVerbose |
| bool | mQuick |
Detailed Description
The PolygonSimplifier class reduces the amount of polygons present in a Geometry using a quadric error metric.
The algorithm simplifies only the position array of the Geometry all the other vertex attributes will be discarded.
Definition at line 52 of file PolygonSimplifier.hpp.
Constructor & Destructor Documentation
| vl::PolygonSimplifier::PolygonSimplifier | ( | ) | [inline] |
Definition at line 319 of file PolygonSimplifier.hpp.
Member Function Documentation
| virtual const char* vl::PolygonSimplifier::className | ( | ) | [inline, virtual] |
Returns the name of the class.
Reimplemented from vl::Object.
Definition at line 321 of file PolygonSimplifier.hpp.
| void PolygonSimplifier::simplify | ( | float | simplification_ratio, |
| Geometry * | geom | ||
| ) |
Definition at line 70 of file PolygonSimplifier.cpp.
References vl::Log::error(), vl::Array< T_VectorType, T_Scalar, T_GL_Size, T_GL_Type >::size(), and vl::Geometry::vertexArray().
Referenced by simplify().
| void PolygonSimplifier::simplify | ( | int | target_vertex_count, |
| Geometry * | geom | ||
| ) |
Definition at line 87 of file PolygonSimplifier.cpp.
References vl::Collection< T >::at(), vl::Collection< T >::clear(), vl::Geometry::colorArray(), vl::Geometry::drawCalls(), vl::Time::elapsed(), vl::Log::error(), vl::Geometry::fogCoordArray(), vl::ref< T >::get(), vl::TriangleIterator::isEnd(), vl::Geometry::normalArray(), vl::Log::print(), vl::PT_TRIANGLES, vl::Collection< T >::push_back(), vl::DoubleVertexRemover::removeDoubles(), removeDoubles(), vl::Array< T_VectorType, T_Scalar, T_GL_Size, T_GL_Type >::resize(), vl::Geometry::secondaryColorArray(), vl::Geometry::setColorArray(), vl::Geometry::setFogCoordArray(), vl::Geometry::setNormalArray(), vl::Geometry::setSecondaryColorArray(), vl::Geometry::setTexCoordArray(), simplify(), vl::Collection< T >::size(), vl::Time::start(), vl::Geometry::texCoordArray(), vl::DrawCall::triangleIterator(), verbose(), vl::Geometry::vertexArray(), vl::Geometry::vertexAttribArrays(), VL_MAX_TEXTURE_UNITS, and vl::Log::warning().
| void PolygonSimplifier::simplify | ( | int | target_vertex_count, |
| std::vector< fvec3 > & | in_out_verts, | ||
| std::vector< int > & | in_out_tris | ||
| ) |
Definition at line 165 of file PolygonSimplifier.cpp.
References vl::PolygonSimplifier::Vertex::adjacentVertex(), vl::PolygonSimplifier::Vertex::adjacentVerticesCount(), collapse(), vl::PolygonSimplifier::Vertex::collapseVertex(), computeCollapseInfo(), vl::Time::elapsed(), vl::PolygonSimplifier::Vertex::mAlreadyProcessed, mProtectedVerts, vl::PolygonSimplifier::Vertex::mRemoveOrder, mSimplifiedTriangles, mSimplifiedVertices, vl::Log::print(), vl::PolygonSimplifier::Vertex::removed(), vl::Time::start(), verbose(), and VL_CHECK.
| void vl::PolygonSimplifier::setProtectedVertices | ( | const std::vector< int > & | protected_verts ) | [inline] |
Definition at line 327 of file PolygonSimplifier.hpp.
| int vl::PolygonSimplifier::simplifiedVerticesCount | ( | ) | const [inline] |
Definition at line 329 of file PolygonSimplifier.hpp.
| Vertex* vl::PolygonSimplifier::simplifiedVertices | ( | int | index ) | const [inline] |
Definition at line 330 of file PolygonSimplifier.hpp.
| int vl::PolygonSimplifier::simplifiedTrianglesCount | ( | ) | const [inline] |
Definition at line 332 of file PolygonSimplifier.hpp.
| Triangle* vl::PolygonSimplifier::simplifiedTriangles | ( | int | index ) | const [inline] |
Definition at line 333 of file PolygonSimplifier.hpp.
| void PolygonSimplifier::clearTrianglesAndVertices | ( | ) |
Definition at line 393 of file PolygonSimplifier.cpp.
References mProtectedVerts, mSimplifiedTriangles, and mSimplifiedVertices.
| bool vl::PolygonSimplifier::removeDoubles | ( | ) | const [inline] |
Definition at line 337 of file PolygonSimplifier.hpp.
Referenced by simplify().
| void vl::PolygonSimplifier::setRemoveDoubles | ( | bool | remove_doubles ) | [inline] |
Definition at line 338 of file PolygonSimplifier.hpp.
| bool vl::PolygonSimplifier::verbose | ( | ) | const [inline] |
Definition at line 340 of file PolygonSimplifier.hpp.
Referenced by simplify().
| void vl::PolygonSimplifier::setVerbose | ( | bool | verbose ) | [inline] |
Definition at line 341 of file PolygonSimplifier.hpp.
| bool vl::PolygonSimplifier::quick | ( | ) | const [inline] |
Definition at line 343 of file PolygonSimplifier.hpp.
Referenced by collapse(), and computeCollapseInfo().
| void vl::PolygonSimplifier::setQuick | ( | bool | quick ) | [inline] |
Definition at line 344 of file PolygonSimplifier.hpp.
| void vl::PolygonSimplifier::collapse | ( | Vertex * | v ) | [inline, protected] |
Definition at line 594 of file PolygonSimplifier.hpp.
References vl::PolygonSimplifier::Vertex::adjacentVertex(), vl::PolygonSimplifier::Vertex::adjacentVerticesCount(), vl::Object::as(), vl::PolygonSimplifier::Vertex::checkConnectivity(), vl::PolygonSimplifier::Vertex::checkTriangles(), vl::PolygonSimplifier::Vertex::incidentTrianglesCount(), vl::PolygonSimplifier::Vertex::isAdjacentVertex(), vl::PolygonSimplifier::Vertex::isIncidentTriangle(), vl::PolygonSimplifier::Vertex::mAdjacentVerts, vl::PolygonSimplifier::Vertex::mCollapsePosition, vl::PolygonSimplifier::Vertex::mCollapseVertex, vl::PolygonSimplifier::Vertex::mIncidentTriangles, vl::PolygonSimplifier::Vertex::mPosition, vl::PolygonSimplifier::Vertex::mQErr, vl::PolygonSimplifier::Vertex::mRemoved, quick(), vl::PolygonSimplifier::Vertex::removed(), and VL_CHECK.
Referenced by simplify().
| void vl::PolygonSimplifier::computeCollapseInfo | ( | Vertex * | v ) | [inline, protected] |
Definition at line 683 of file PolygonSimplifier.hpp.
References vl::PolygonSimplifier::Vertex::adjacentVerticesCount(), vl::PolygonSimplifier::QErr::analyticSolution(), vl::cross(), vl::dot(), vl::PolygonSimplifier::QErr::evaluate(), vl::PolygonSimplifier::Triangle::hasVertex(), vl::PolygonSimplifier::Vertex::incidentTriangle(), vl::PolygonSimplifier::Vertex::incidentTrianglesCount(), vl::length(), vl::PolygonSimplifier::Vertex::mAdjacentVerts, vl::PolygonSimplifier::Vertex::mCollapseCost, vl::PolygonSimplifier::Vertex::mCollapsePosition, vl::PolygonSimplifier::Vertex::mCollapseVertex, vl::PolygonSimplifier::Vertex::mRemoved, vl::PolygonSimplifier::Triangle::normal(), vl::Vector3< T_Scalar >::normalize(), vl::PolygonSimplifier::Vertex::position(), vl::PolygonSimplifier::Vertex::qerr(), quick(), vl::PolygonSimplifier::Triangle::vertex(), and VL_CHECK.
Referenced by simplify().
Member Data Documentation
std::vector<Vertex*> vl::PolygonSimplifier::mSimplifiedVertices [protected] |
Definition at line 351 of file PolygonSimplifier.hpp.
Referenced by clearTrianglesAndVertices(), and simplify().
std::vector<Triangle*> vl::PolygonSimplifier::mSimplifiedTriangles [protected] |
Definition at line 352 of file PolygonSimplifier.hpp.
Referenced by clearTrianglesAndVertices(), and simplify().
std::vector<int> vl::PolygonSimplifier::mProtectedVerts [protected] |
Definition at line 353 of file PolygonSimplifier.hpp.
Referenced by clearTrianglesAndVertices(), and simplify().
bool vl::PolygonSimplifier::mRemoveDoubles [protected] |
Definition at line 354 of file PolygonSimplifier.hpp.
bool vl::PolygonSimplifier::mVerbose [protected] |
Definition at line 355 of file PolygonSimplifier.hpp.
bool vl::PolygonSimplifier::mQuick [protected] |
Definition at line 356 of file PolygonSimplifier.hpp.
The documentation for this class was generated from the following files:
- D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/PolygonSimplifier.hpp
- D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/PolygonSimplifier.cpp