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FindDegeneratives: adapt unittests and add configs

pull/1558/head
Kim Kulling 2017-11-12 22:09:18 +01:00
parent 9206d1b62b
commit 24b728b3ea
6 changed files with 89 additions and 50 deletions
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17
code/FindDegenerates.cpp
View File

@ -56,7 +56,8 @@ using namespace Assimp;
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
FindDegeneratesProcess::FindDegeneratesProcess()
: configRemoveDegenerates (false) {
: mConfigRemoveDegenerates( false )
, mConfigCheckAreaOfTriangle( false ){
// empty
}
@ -76,7 +77,8 @@ bool FindDegeneratesProcess::IsActive( unsigned int pFlags) const {
// Setup import configuration
void FindDegeneratesProcess::SetupProperties(const Importer* pImp) {
// Get the current value of AI_CONFIG_PP_FD_REMOVE
configRemoveDegenerates = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_FD_REMOVE,0));
mConfigRemoveDegenerates = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_FD_REMOVE,0));
mConfigCheckAreaOfTriangle = ( 0 != pImp->GetPropertyInteger(AI_CONFIG_PP_FD_CHECKAREA) );
}
// ------------------------------------------------------------------------------------------------
@ -126,7 +128,7 @@ void FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
mesh->mPrimitiveTypes = 0;
std::vector<bool> remove_me;
if (configRemoveDegenerates) {
if (mConfigRemoveDegenerates) {
remove_me.resize( mesh->mNumFaces, false );
}
@ -166,16 +168,18 @@ void FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
first = false;
}
if ( configRemoveDegenerates ) {
if ( mConfigRemoveDegenerates ) {
remove_me[ a ] = true;
goto evil_jump_outside; // hrhrhrh ... yeah, this rocks baby!
}
}
}
if ( mConfigCheckAreaOfTriangle ) {
if ( face.mNumIndices == 3 ) {
ai_real area = calculateAreaOfTriangle( face, mesh );
if ( area < 1e-6 ) {
if ( configRemoveDegenerates ) {
if ( mConfigRemoveDegenerates ) {
remove_me[ a ] = true;
goto evil_jump_outside;
}
@ -184,6 +188,7 @@ void FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
}
}
}
}
// We need to update the primitive flags array of the mesh.
switch (face.mNumIndices)
@ -206,7 +211,7 @@ evil_jump_outside:
}
// If AI_CONFIG_PP_FD_REMOVE is true, remove degenerated faces from the import
if (configRemoveDegenerates && deg) {
if (mConfigRemoveDegenerates && deg) {
unsigned int n = 0;
for (unsigned int a = 0; a < mesh->mNumFaces; ++a)
{

59
code/FindDegenerates.h
View File

@ -54,15 +54,11 @@ namespace Assimp {
// ---------------------------------------------------------------------------
/** FindDegeneratesProcess: Searches a mesh for degenerated triangles.
*/
class ASSIMP_API FindDegeneratesProcess : public BaseProcess
{
class ASSIMP_API FindDegeneratesProcess : public BaseProcess {
public:
FindDegeneratesProcess();
~FindDegeneratesProcess();
public:
// -------------------------------------------------------------------
// Check whether step is active
bool IsActive( unsigned int pFlags) const;
@ -79,28 +75,53 @@ public:
// Execute step on a given mesh
void ExecuteOnMesh( aiMesh* mesh);
// -------------------------------------------------------------------
/// @brief Enable the instant removal of degenerated primitives
/// @param enabled true for enabled.
void EnableInstantRemoval(bool enabled);
// -------------------------------------------------------------------
/** @brief Enable the instant removal of degenerated primitives
* @param d hm ... difficult to guess what this means, hu!?
*/
void EnableInstantRemoval(bool d) {
configRemoveDegenerates = d;
}
/// @brief Check whether instant removal is currently enabled
/// @return The instant removal state.
bool IsInstantRemoval() const;
// -------------------------------------------------------------------
/** @brief Check whether instant removal is currently enabled
* @return ...
*/
bool IsInstantRemoval() const {
return configRemoveDegenerates;
}
/// @brief Enable the area check for triangles.
/// @param enabled true for enabled.
void EnableAreaCheck( bool enabled );
// -------------------------------------------------------------------
/// @brief Check whether the area check is enabled.
/// @return The area check state.
bool isAreaCheckEnabled() const;
private:
//! Configuration option: remove degenerates faces immediately
bool configRemoveDegenerates;
bool mConfigRemoveDegenerates;
//! Configuration option: check for area
bool mConfigCheckAreaOfTriangle;
};
inline
void FindDegeneratesProcess::EnableInstantRemoval(bool enabled) {
mConfigRemoveDegenerates = enabled;
}
inline
bool FindDegeneratesProcess::IsInstantRemoval() const {
return mConfigRemoveDegenerates;
}
inline
void FindDegeneratesProcess::EnableAreaCheck( bool enabled ) {
mConfigCheckAreaOfTriangle = enabled;
}
inline
bool FindDegeneratesProcess::isAreaCheckEnabled() const {
return mConfigCheckAreaOfTriangle;
}
} // Namespace Assimp
#endif // !! AI_FINDDEGENERATESPROCESS_H_INC

8
code/X3DExporter.cpp
View File

@ -240,8 +240,12 @@ list<SAttribute> attr_list;
if((rotate_angle != 0) && (rotate_axis.Length() > 0))
attr_list.push_back({"rotation", Rotation2String(rotate_axis, rotate_angle)});
if(!scale.Equal({1, 1, 1})) attr_list.push_back({"scale", Vector2String(scale)});
if(translate.Length() > 0) attr_list.push_back({"translation", Vector2String(translate)});
if(!scale.Equal({1.0,1.0,1.0})) {
attr_list.push_back({"scale", Vector2String(scale)});
}
if(translate.Length() > 0) {
attr_list.push_back({"translation", Vector2String(translate)});
}
}
// Begin node if need.

9
include/assimp/config.h.in
View File

@ -266,6 +266,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define AI_CONFIG_PP_FD_REMOVE \
"PP_FD_REMOVE"
// ---------------------------------------------------------------------------
/**
* @brief Configures the #aiProcess_FindDegenerates to check the area of a
* trinagle to be greates than e-6. If this is not the case the triangle will
* be removed if #AI_CONFIG_PP_FD_REMOVE is set to true.
*/
#define AI_CONFIG_PP_FD_CHECKAREA \
"PP_FD_CHECKAREA"
// ---------------------------------------------------------------------------
/** @brief Configures the #aiProcess_OptimizeGraph step to preserve nodes
* matching a name in a given list.

1
include/assimp/vector3.h
View File

@ -65,7 +65,6 @@ template <typename TReal>
class aiVector3t
{
public:
aiVector3t() : x(), y(), z() {}
aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {}

23
test/unit/utFindDegenerates.cpp
View File

@ -58,8 +58,7 @@ protected:
};
// ------------------------------------------------------------------------------------------------
void FindDegeneratesProcessTest::SetUp()
{
void FindDegeneratesProcessTest::SetUp() {
mesh = new aiMesh();
process = new FindDegeneratesProcess();
@ -107,16 +106,12 @@ void FindDegeneratesProcessTest::SetUp()
mesh->mNumUVComponents[1] = numFaces;
}
// ------------------------------------------------------------------------------------------------
void FindDegeneratesProcessTest::TearDown()
{
void FindDegeneratesProcessTest::TearDown() {
delete mesh;
delete process;
}
// ------------------------------------------------------------------------------------------------
TEST_F(FindDegeneratesProcessTest, testDegeneratesDetection)
{
TEST_F(FindDegeneratesProcessTest, testDegeneratesDetection) {
process->EnableInstantRemoval(false);
process->ExecuteOnMesh(mesh);
@ -135,12 +130,18 @@ TEST_F(FindDegeneratesProcessTest, testDegeneratesDetection)
mesh->mPrimitiveTypes);
}
// ------------------------------------------------------------------------------------------------
TEST_F(FindDegeneratesProcessTest, testDegeneratesRemoval)
{
TEST_F(FindDegeneratesProcessTest, testDegeneratesRemoval) {
process->EnableAreaCheck(false);
process->EnableInstantRemoval(true);
process->ExecuteOnMesh(mesh);
EXPECT_EQ(mesh->mNumUVComponents[1], mesh->mNumFaces);
}
TEST_F(FindDegeneratesProcessTest, testDegeneratesRemovalWithAreaCheck) {
process->EnableAreaCheck(true);
process->EnableInstantRemoval(true);
process->ExecuteOnMesh(mesh);
EXPECT_EQ(mesh->mNumUVComponents[1]-100, mesh->mNumFaces);
}