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Work on interface to 'extractMarchingCubesMesh' and tests.

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This commit is contained in:
David Williams 2014-08-14 15:57:10 +02:00
parent f1ed0c1be2
commit 93fdd36f8f
3 changed files with 11 additions and 10 deletions
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13
library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.h
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@ -147,11 +147,11 @@ namespace PolyVox
return result;
}
template< typename VolumeType, typename MeshType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
template< typename VolumeType, typename MeshType, typename Controller>
class MarchingCubesSurfaceExtractor
{
public:
MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), Controller controller = Controller(), MeshType* result = nullptr);
MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, MeshType* result, Controller controller, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType());
void execute();
@ -328,17 +328,18 @@ namespace PolyVox
// We don't provide a default MeshType here. If the user doesn't want to provide a MeshType then it probably makes
// more sense to use the other variaent of this function where the mesh is a return value rather than a parameter.
template< typename VolumeType, typename MeshType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
void extractMarchingCubesMesh(VolumeType* volData, Region region, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), Controller controller = Controller(), MeshType* result = nullptr)
void extractMarchingCubesCustomMesh(VolumeType* volData, Region region, MeshType* result, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
{
MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller> extractor(volData, region, eWrapMode, tBorderValue, controller, result);
result->getNoOfVertices();
MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller> extractor(volData, region, result, controller, eWrapMode, tBorderValue);
extractor.execute();
}
template< typename VolumeType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > extractMarchingCubesMesh(VolumeType* volData, Region region, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), Controller controller = Controller())
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > extractMarchingCubesMesh(VolumeType* volData, Region region, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
{
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType>, DefaultIndexType > result;
extractMarchingCubesMesh(volData, region, eWrapMode, tBorderValue, controller, &result);
extractMarchingCubesCustomMesh<VolumeType, Mesh<MarchingCubesVertex<typename VolumeType::VoxelType>, DefaultIndexType > >(volData, region, &result, controller, eWrapMode, tBorderValue);
return result;
}
}

2
library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl
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@ -26,7 +26,7 @@ freely, subject to the following restrictions:
namespace PolyVox
{
template<typename VolumeType, typename MeshType, typename Controller>
MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller>::MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, WrapMode eWrapMode, typename VolumeType::VoxelType tBorderValue, Controller controller, MeshType* result = nullptr)
MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller>::MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, MeshType* result, Controller controller, WrapMode eWrapMode, typename VolumeType::VoxelType tBorderValue)
:m_volData(volData)
,m_sampVolume(volData)
,m_meshCurrent(result)

6
tests/TestSurfaceExtractor.cpp
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@ -142,7 +142,7 @@ void TestSurfaceExtractor::testExecute()
// This test makes use of a custom controller
auto floatVol = createAndFillVolume<float>();
CustomMarchingCubesController floatCustomController;
auto floatMesh = extractMarchingCubesMesh(floatVol, floatVol->getEnclosingRegion(), WrapModes::Border, float(0), floatCustomController);
auto floatMesh = extractMarchingCubesMesh(floatVol, floatVol->getEnclosingRegion(), floatCustomController, WrapModes::Border, float(0));
QCOMPARE(floatMesh.getNoOfVertices(), uint32_t(16113)); // Verifies size of mesh and that we have 32-bit indices
QCOMPARE(floatMesh.getNoOfIndices(), uint32_t(22053)); // Verifies size of mesh
QCOMPARE(floatMesh.getIndex(100), uint32_t(26)); // Verifies that we have 32-bit indices
@ -152,7 +152,7 @@ void TestSurfaceExtractor::testExecute()
// use a default for the second-to-last parameter but noot use a default for the last parameter.
auto intVol = createAndFillVolume<int8_t>();
Mesh< MarchingCubesVertex< int8_t >, uint16_t > intMesh;
extractMarchingCubesMesh(intVol, intVol->getEnclosingRegion(), WrapModes::Border, int8_t(0), DefaultMarchingCubesController<int8_t>(), &intMesh);
extractMarchingCubesCustomMesh(intVol, intVol->getEnclosingRegion(), &intMesh);
QCOMPARE(intMesh.getNoOfVertices(), uint16_t(11718)); // Verifies size of mesh and that we have 16-bit indices
QCOMPARE(intMesh.getNoOfIndices(), uint32_t(34041)); // Verifies size of mesh
QCOMPARE(intMesh.getIndex(100), uint16_t(29)); // Verifies that we have 16-bit indices
@ -162,7 +162,7 @@ void TestSurfaceExtractor::testExecute()
auto doubleVol = createAndFillVolume<double>();
CustomMarchingCubesController doubleCustomController;
Mesh< MarchingCubesVertex< double >, uint16_t > doubleMesh;
extractMarchingCubesMesh(doubleVol, doubleVol->getEnclosingRegion(), WrapModes::Border, double(0), doubleCustomController, &doubleMesh);
extractMarchingCubesCustomMesh(doubleVol, doubleVol->getEnclosingRegion(), &doubleMesh, doubleCustomController, WrapModes::Border, double(0));
QCOMPARE(doubleMesh.getNoOfVertices(), uint16_t(16113)); // Verifies size of mesh and that we have 32-bit indices
QCOMPARE(doubleMesh.getNoOfIndices(), uint32_t(22053)); // Verifies size of mesh
QCOMPARE(doubleMesh.getIndex(100), uint16_t(26)); // Verifies that we have 32-bit indices