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bnd_mesh.cpp
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bnd_mesh.cpp
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#include "bindings.h"
#include "base64.h"
#if defined(ON_PYTHON_COMPILE)
pybind11::dict BND_MeshingParameters::Encode() const
{
pybind11::dict d;
d["TextureRange"] = GetTextureRange();
d["JaggedSeams"] = GetJaggedSeams();
d["RefineGrid"] = GetRefineGrid();
d["SimplePlanes"] = GetSimplePlanes();
d["ComputeCurvature"] = GetComputeCurvature();
d["ClosedObjectPostProcess"] = GetClosedObjectPostProcess();
d["GridMinCount"] = GetGridMinCount();
d["GridMaxCount"] = GetGridMaxCount();
d["GridAngle"] = GetGridAngle();
d["GridAspectRatio"] = GetGridAspectRatio();
d["GridAmplification"] = GetGridAmplification();
d["Tolerance"] = GetTolerance();
d["MinimumTolerance"] = GetMinimumTolerance();
d["RelativeTolerance"] = GetRelativeTolerance();
d["MinimumEdgeLength"] = GetMinimumEdgeLength();
d["MaximumEdgeLength"] = GetMaximumEdgeLength();
d["RefineAngle"] = GetRefineAngle();
return d;
}
BND_MeshingParameters* BND_MeshingParameters::Decode(pybind11::dict jsonObject)
{
BND_MeshingParameters* mp = new BND_MeshingParameters();
mp->SetTextureRange(jsonObject["TextureRange"].cast<int>());
mp->SetJaggedSeams(jsonObject["JaggedSeams"].cast<bool>());
mp->SetRefineGrid(jsonObject["RefineGrid"].cast<bool>());
mp->SetSimplePlanes(jsonObject["SimplePlanes"].cast<bool>());
mp->SetComputeCurvature(jsonObject["ComputeCurvature"].cast<bool>());
mp->SetClosedObjectPostProcess(jsonObject["ClosedObjectPostProcess"].cast<bool>());
mp->SetGridMinCount(jsonObject["GridMinCount"].cast<int>());
mp->SetGridMaxCount(jsonObject["GridMaxCount"].cast<int>());
mp->SetGridAngle(jsonObject["GridAngle"].cast<double>());
mp->SetGridAspectRatio(jsonObject["GridAspectRatio"].cast<double>());
mp->SetGridAmplification(jsonObject["GridAmplification"].cast<double>());
mp->SetTolerance(jsonObject["Tolerance"].cast<double>());
mp->SetMinimumTolerance(jsonObject["MinimumTolerance"].cast<double>());
mp->SetRelativeTolerance(jsonObject["RelativeTolerance"].cast<double>());
mp->SetMinimumEdgeLength(jsonObject["MinimumEdgeLength"].cast<double>());
mp->SetMaximumEdgeLength(jsonObject["MaximumEdgeLength"].cast<double>());
mp->SetRefineAngle(jsonObject["RefineAngle"].cast<double>());
return mp;
}
#endif
#if defined(__EMSCRIPTEN__)
emscripten::val BND_MeshingParameters::Encode() const
{
emscripten::val v(emscripten::val::object());
v.set("TextureRange", emscripten::val(GetTextureRange()));
v.set("JaggedSeams", emscripten::val(GetJaggedSeams()));
v.set("RefineGrid", emscripten::val(GetRefineGrid()));
v.set("SimplePlanes", emscripten::val(GetSimplePlanes()));
v.set("ComputeCurvature", emscripten::val(GetComputeCurvature()));
v.set("ClosedObjectPostProcess", emscripten::val(GetClosedObjectPostProcess()));
v.set("GridMinCount", emscripten::val(GetGridMinCount()));
v.set("GridMaxCount", emscripten::val(GetGridMaxCount()));
v.set("GridAngle", emscripten::val(GetGridAngle()));
v.set("GridAspectRatio", emscripten::val(GetGridAspectRatio()));
v.set("GridAmplification", emscripten::val(GetGridAmplification()));
v.set("Tolerance", emscripten::val(GetTolerance()));
v.set("MinimumTolerance", emscripten::val(GetMinimumTolerance()));
v.set("RelativeTolerance", emscripten::val(GetRelativeTolerance()));
v.set("MinimumEdgeLength", emscripten::val(GetMinimumEdgeLength()));
v.set("MaximumEdgeLength", emscripten::val(GetMaximumEdgeLength()));
v.set("RefineAngle", emscripten::val(GetRefineAngle()));
return v;
}
emscripten::val BND_MeshingParameters::toJSON(emscripten::val key)
{
return Encode();
}
BND_MeshingParameters* BND_MeshingParameters::Decode(emscripten::val jsonObject)
{
BND_MeshingParameters* mp = new BND_MeshingParameters();
mp->SetTextureRange(jsonObject["TextureRange"].as<int>());
mp->SetJaggedSeams(jsonObject["JaggedSeams"].as<bool>());
mp->SetRefineGrid(jsonObject["RefineGrid"].as<bool>());
mp->SetSimplePlanes(jsonObject["SimplePlanes"].as<bool>());
mp->SetComputeCurvature(jsonObject["ComputeCurvature"].as<bool>());
mp->SetClosedObjectPostProcess(jsonObject["ClosedObjectPostProcess"].as<bool>());
mp->SetGridMinCount(jsonObject["GridMinCount"].as<int>());
mp->SetGridMaxCount(jsonObject["GridMaxCount"].as<int>());
mp->SetGridAngle(jsonObject["GridAngle"].as<double>());
mp->SetGridAspectRatio(jsonObject["GridAspectRatio"].as<double>());
mp->SetGridAmplification(jsonObject["GridAmplification"].as<double>());
mp->SetTolerance(jsonObject["Tolerance"].as<double>());
mp->SetMinimumTolerance(jsonObject["MinimumTolerance"].as<double>());
mp->SetRelativeTolerance(jsonObject["RelativeTolerance"].as<double>());
mp->SetMinimumEdgeLength(jsonObject["MinimumEdgeLength"].as<double>());
mp->SetMaximumEdgeLength(jsonObject["MaximumEdgeLength"].as<double>());
mp->SetRefineAngle(jsonObject["RefineAngle"].as<double>());
return mp;
}
#endif
BND_Mesh* BND_Mesh::CreateFromSubDControlNet(class BND_SubD* subd, bool includeTextureCoordinates)
{
if (subd)
{
const ON_SubD* _subd = ON_SubD::Cast(subd->GeometryPointer());
ON_Mesh* mesh = _subd->GetControlNetMesh(nullptr, includeTextureCoordinates ? ON_SubDGetControlNetMeshPriority::TextureCoordinates : ON_SubDGetControlNetMeshPriority::Geometry);
if (mesh)
return new BND_Mesh(mesh, nullptr);
}
return nullptr;
}
BND_Mesh::BND_Mesh()
{
SetTrackedPointer(new ON_Mesh(), nullptr);
}
BND_Mesh::BND_Mesh(ON_Mesh* mesh, const ON_ModelComponentReference* compref)
{
SetTrackedPointer(mesh, compref);
}
void BND_Mesh::SetTrackedPointer(ON_Mesh* mesh, const ON_ModelComponentReference* compref)
{
m_mesh = mesh;
BND_GeometryBase::SetTrackedPointer(mesh, compref);
}
BND_MeshVertexList BND_Mesh::GetVertices()
{
return BND_MeshVertexList(m_mesh, m_component_ref);
}
BND_MeshTopologyEdgeList BND_Mesh::GetTopologyEdges()
{
return BND_MeshTopologyEdgeList(m_mesh, m_component_ref);
}
BND_MeshFaceList BND_Mesh::GetFaces()
{
return BND_MeshFaceList(m_mesh, m_component_ref);
}
BND_MeshNormalList BND_Mesh::GetNormals()
{
return BND_MeshNormalList(m_mesh, m_component_ref);
}
BND_MeshVertexColorList BND_Mesh::VertexColors()
{
return BND_MeshVertexColorList(m_mesh, m_component_ref);
}
BND_MeshTextureCoordinateList BND_Mesh::TextureCoordinates()
{
return BND_MeshTextureCoordinateList(m_mesh, m_component_ref);
}
BND_TUPLE BND_Mesh::IsManifold(bool topologicalTest) const
{
bool oriented = false;
bool hasboundary = false;
BND_TUPLE rc = CreateTuple(3);
SetTuple<bool>(rc, 0, m_mesh->IsManifold(topologicalTest, &oriented, &hasboundary));
SetTuple<bool>(rc, 1, oriented);
SetTuple<bool>(rc, 2, hasboundary);
return rc;
}
static void ON_Mesh_DestroyTextureData(ON_Mesh* pMesh)
{
if (pMesh)
{
pMesh->m_Ttag.Default();
pMesh->m_T.Destroy();
pMesh->m_TC.Destroy();
pMesh->m_packed_tex_domain[0].Set(0, 1);
pMesh->m_packed_tex_domain[1].Set(0, 1);
pMesh->InvalidateTextureCoordinateBoundingBox();
}
}
void BND_Mesh::ClearTextureData()
{
ON_Mesh_DestroyTextureData(m_mesh);
}
void ON_Mesh_DestroySurfaceData(ON_Mesh* pMesh)
{
if (pMesh)
{
pMesh->m_S.Destroy();
pMesh->m_srf_domain[0] = ON_Interval::EmptyInterval;
pMesh->m_srf_domain[1] = ON_Interval::EmptyInterval;
pMesh->m_srf_scale[0] = 0;
pMesh->m_srf_scale[1] = 0;
pMesh->InvalidateCurvatureStats();
pMesh->m_K.Destroy();
}
}
void BND_Mesh::ClearSurfaceData()
{
ON_Mesh_DestroySurfaceData(m_mesh);
}
void BND_Mesh::SetTextureCoordinates(class BND_TextureMapping* tm, class BND_Transform* xf, bool lazy)
{
if (tm)
{
const ON_Xform* xform = xf ? &(xf->m_xform) : nullptr;
m_mesh->SetTextureCoordinates(*tm->m_mapping, xform, lazy);
}
}
int BND_Mesh::PartitionCount() const
{
const ON_MeshPartition* pPartition = m_mesh->Partition();
if (pPartition)
return pPartition->m_part.Count();
return 0;
}
#if defined(ON_WASM_COMPILE)
BND_DICT BND_Mesh::ToThreejsJSON() const
{
return ToThreejsJSONRotate(false);
}
BND_DICT BND_Mesh::ToThreejsJSONRotate(bool rotateToYUp) const
{
ON_Mesh* pMesh = m_mesh;
ON_Mesh tempMesh;
if (rotateToYUp)
{
tempMesh = *m_mesh;
ON_Xform rotation(1);
rotation.RotationZYX(0.0, 0.0, -ON_PI / 2.0);
tempMesh.Transform(rotation);
pMesh = &tempMesh;
}
// build face index array
emscripten::val index(emscripten::val::object());
emscripten::val indexList(emscripten::val::array());
int current = 0;
for (int i = 0; i < pMesh->m_F.Count(); i++)
{
const ON_MeshFace& face = pMesh->m_F[i];
indexList.set(current++, face.vi[0]);
indexList.set(current++, face.vi[1]);
indexList.set(current++, face.vi[2]);
if (face.vi[2] != face.vi[3])
{
indexList.set(current++, face.vi[2]);
indexList.set(current++, face.vi[3]);
indexList.set(current++, face.vi[0]);
}
}
if (pMesh->m_V.Count() > 65536) {
index.set("type", "Uint32Array");
} else {
index.set("type", "Uint16Array");
}
index.set("array", indexList);
emscripten::val attributes(emscripten::val::object());
emscripten::val position(emscripten::val::object());
position.set("itemSize", 3);
position.set("type", "Float32Array");
emscripten::val positionList(emscripten::val::array());
for (int i = 0; i < pMesh->m_V.Count(); i++)
{
positionList.set(i * 3, pMesh->m_V[i].x);
positionList.set(i * 3+1, pMesh->m_V[i].y);
positionList.set(i * 3+2, pMesh->m_V[i].z);
}
position.set("array", positionList);
attributes.set("position", position);
emscripten::val normal(emscripten::val::object());
normal.set("itemSize", 3);
normal.set("type", "Float32Array");
emscripten::val normalList(emscripten::val::array());
if (pMesh->m_N.Count() == 0)
pMesh->ComputeVertexNormals();
for (int i = 0; i < pMesh->m_N.Count(); i++)
{
normalList.set(i * 3, pMesh->m_N[i].x);
normalList.set(i * 3 + 1, pMesh->m_N[i].y);
normalList.set(i * 3 + 2, pMesh->m_N[i].z);
}
normal.set("array", normalList);
attributes.set("normal", normal);
if (pMesh->HasTextureCoordinates())
{
emscripten::val tcs(emscripten::val::object());
tcs.set("itemSize", 2);
tcs.set("type", "Float32Array");
emscripten::val tcList(emscripten::val::array());
for (int i = 0; i < pMesh->m_T.Count(); i++)
{
tcList.set(i * 2, pMesh->m_T[i].x);
tcList.set(i * 2 + 1, pMesh->m_T[i].y);
}
tcs.set("array", tcList);
attributes.set("uv", tcs);
}
if (pMesh->HasVertexColors())
{
emscripten::val vcs(emscripten::val::object());
vcs.set("itemSize", 3);
vcs.set("type", "Float32Array");
emscripten::val vcsList(emscripten::val::array());
for (int i = 0; i < pMesh->m_C.Count(); i++)
{
vcsList.set(i * 3, pMesh->m_C[i].Red() / 255.0);
vcsList.set(i * 3 + 1, pMesh->m_C[i].Green() / 255.0);
vcsList.set(i * 3 + 2, pMesh->m_C[i].Blue() / 255.0);
}
vcs.set("array", vcsList);
attributes.set("color",vcs);
}
// need data.index and data.attributes
emscripten::val data(emscripten::val::object());
data.set("index", index);
data.set("attributes", attributes);
emscripten::val rc(emscripten::val::object());
rc.set("data", data);
return rc;
}
BND_DICT BND_Mesh::ToThreejsJSONMerged(BND_TUPLE meshes, bool rotateYUp)
{
int length = meshes["length"].as<int>();
if (1 == length)
{
BND_Mesh mesh = meshes[0].as<BND_Mesh>();
return mesh.ToThreejsJSONRotate(rotateYUp);
}
BND_Mesh tempMesh;
for (int i=0; i<length; i++)
{
BND_Mesh mesh = meshes[i].as<BND_Mesh>();
tempMesh.m_mesh->Append(*(mesh.m_mesh));
}
return tempMesh.ToThreejsJSONRotate(rotateYUp);
}
BND_Mesh* BND_Mesh::CreateFromThreejsJSON(BND_DICT data)
{
if (emscripten::val::undefined() == data["data"])
return nullptr;
emscripten::val attributes = data["data"]["attributes"];
std::vector<int> index_array;
emscripten::val index = data["data"]["index"];
if (emscripten::val::undefined() != index && emscripten::val::undefined() != index["array"])
{
index_array = emscripten::vecFromJSArray<int>(index["array"]);
}
std::vector<float> position_array = emscripten::vecFromJSArray<float>(attributes["position"]["array"]);
std::vector<float> normal_array;
if (emscripten::val::undefined() != attributes["normal"])
{
normal_array = emscripten::vecFromJSArray<float>(attributes["normal"]["array"]);
}
std::vector<float> uv_array;
if (emscripten::val::undefined() != attributes["uv"])
{
uv_array = emscripten::vecFromJSArray<float>(attributes["uv"]["array"]);
}
ON_Mesh* mesh = new ON_Mesh();
bool has_index_array = index_array.size() > 0;
int face_count = has_index_array ? (int)(index_array.size() / 3) : (int)(position_array.size() / 3);
mesh->m_F.SetCapacity(face_count);
mesh->m_F.SetCount(face_count);
for (int i = 0; i < face_count; i++)
{
ON_MeshFace& face = mesh->m_F[i];
if (has_index_array)
{
face.vi[0] = index_array[i * 3];
face.vi[1] = index_array[i * 3 + 1];
face.vi[2] = index_array[i * 3 + 2];
}
else
{
face.vi[0] = i * 3;
face.vi[1] = i * 3 + 1;
face.vi[2] = i * 3 + 2;
}
face.vi[3] = face.vi[2]; //all triangles
}
const int vertex_count = position_array.size() / 3;
mesh->m_V.SetCapacity(vertex_count);
mesh->m_V.SetCount(vertex_count);
memcpy(mesh->m_V.Array(), position_array.data(), sizeof(float) * position_array.size());
const int normal_count = normal_array.size() / 3;
mesh->m_N.SetCapacity(normal_count);
mesh->m_N.SetCount(normal_count);
memcpy(mesh->m_N.Array(), normal_array.data(), sizeof(float) * normal_array.size());
const int uv_count = uv_array.size() / 2;
if (uv_count > 0)
{
mesh->m_T.SetCapacity(uv_count);
mesh->m_T.SetCount(uv_count);
memcpy(mesh->m_T.Array(), uv_array.data(), sizeof(float) * uv_array.size());
}
ON_Xform rotation(1);
rotation.RotationZYX(0.0, 0.0, ON_PI / 2.0);
mesh->Transform(rotation);
return new BND_Mesh(mesh, nullptr);
}
#endif
BND_MeshVertexList::BND_MeshVertexList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
BND_MeshFaceList::BND_MeshFaceList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
void BND_MeshVertexList::SetCount(int value)
{
ON_Mesh* pMesh = m_mesh;
const bool hasDoublePrecisionVerts = pMesh->HasDoublePrecisionVertices();
pMesh->m_V.Reserve(value);
pMesh->m_V.SetCount(value);
if (hasDoublePrecisionVerts)
{
pMesh->DoublePrecisionVertices().Reserve(value);
pMesh->DoublePrecisionVertices().SetCount(value);
}
}
ON_3fPoint BND_MeshVertexList::GetVertex(int i) const
{
#if defined(ON_PYTHON_COMPILE)
if (i<0 || i>=m_mesh->m_V.Count())
throw pybind11::index_error();
#endif
return m_mesh->m_V[i];
}
void BND_MeshVertexList::SetVertex(int i, ON_3fPoint pt)
{
#if defined(ON_PYTHON_COMPILE)
if (i < 0 || i >= m_mesh->m_V.Count())
throw pybind11::index_error();
#endif
m_mesh->m_V[i] = pt;
}
void BND_MeshVertexList::SetUseDoublePrecisionVertices(bool use)
{
if (use)
{
if (!m_mesh->HasDoublePrecisionVertices())
{
m_mesh->DoublePrecisionVertices();
}
}
else
{
m_mesh->DestroyDoublePrecisionVertices();
}
}
static void ON_Mesh_RepairHiddenArray(ON_Mesh* pMesh)
{
if (!pMesh)
return;
int v_count = pMesh->m_V.Count();
int h_count = pMesh->m_H.Count();
// No hidden flags equals a valid mesh.
// An equal amount of vertices and hidden flags equal a valid mesh.
if (0 == h_count || v_count == h_count)
return;
if (h_count > v_count)
{
// Remove the trailing hidden flags.
pMesh->m_H.SetCount(v_count);
}
else
{
// Add new hidden flags to account for unhandled vertices.
int count_to_add = v_count - h_count;
pMesh->m_H.SetCapacity(v_count);
for (int i = 0; i < count_to_add; i++)
{
pMesh->m_H.Append(false);
}
}
}
void BND_MeshVertexList::Clear()
{
m_mesh->m_V.SetCount(0);
ON_Mesh_RepairHiddenArray(m_mesh);
}
void BND_MeshVertexList::Destroy()
{
const bool hasDoublePrecisionVerts = m_mesh->HasDoublePrecisionVertices();
m_mesh->m_V.SetCapacity(0);
if (hasDoublePrecisionVerts)
m_mesh->DoublePrecisionVertices().SetCapacity(0);
}
int BND_MeshVertexList::Add(float x, float y, float z)
{
m_mesh->SetVertex(m_mesh->VertexCount(), ON_3fPoint(x, y, z));
return m_mesh->VertexCount() - 1;
}
bool BND_MeshVertexList::IsHidden(int index) const
{
bool rc = false;
if (m_mesh && index >= 0 && index < m_mesh->m_H.Count())
{
rc = m_mesh->m_H[index];
}
return rc;
}
enum MeshHiddenVertexOpConst : int
{
mhvoHideVertex = 0,
mhvoShowVertex = 1,
mhvoHideAll = 2,
mhvoShowAll = 3,
mhvoEnsureHiddenList = 4,
mhvoCleanHiddenList = 5
};
static void ON_Mesh_HiddenVertexOp(ON_Mesh* pMesh, int index, MeshHiddenVertexOpConst op)
{
if (!pMesh)
return;
if (mhvoHideVertex == op || mhvoShowVertex == op)
{
// https://mcneel.myjetbrains.com/youtrack/issue/RH-51975
// Show (false) or hide (true) the vertex at [index]
bool hide = (mhvoHideVertex == op);
if (index >= 0 && index < pMesh->m_H.Count())
pMesh->m_H[index] = hide;
}
else if (mhvoHideAll == op || mhvoShowAll == op)
{
// Show (false) or hide (true) all vertices
bool hide = (mhvoHideAll == op);
int count = pMesh->m_H.Count();
for (int i = 0; i < count; i++)
pMesh->m_H[i] = hide;
}
else if (mhvoEnsureHiddenList == op)
{
// Make sure the m_H array contains the same amount of entries as the m_V array.
// This function leaves the contents of m_H untouched, so they will be garbage when
// the function grew the m_H array.
int count = pMesh->m_V.Count();
if (pMesh->m_H.Count() != count)
{
pMesh->m_H.SetCapacity(count);
pMesh->m_H.SetCount(count);
}
}
else if (mhvoCleanHiddenList == op)
{
// If the m_H array contains only false values, erase it.
int count = pMesh->m_H.Count();
if (count > 0)
{
bool clean = true;
for (int i = 0; i < count; i++)
{
if (pMesh->m_H[i])
{
clean = false;
break;
}
}
if (clean)
pMesh->m_H.SetCount(0);
}
}
}
void BND_MeshVertexList::Hide(int index)
{
ON_Mesh_HiddenVertexOp(m_mesh, index, MeshHiddenVertexOpConst::mhvoHideVertex);
}
void BND_MeshVertexList::Show(int index)
{
ON_Mesh_HiddenVertexOp(m_mesh, index, MeshHiddenVertexOpConst::mhvoShowVertex);
}
void BND_MeshVertexList::HideAll()
{
ON_Mesh_HiddenVertexOp(m_mesh, 0, MeshHiddenVertexOpConst::mhvoHideAll);
}
void BND_MeshVertexList::ShowAll()
{
ON_Mesh_HiddenVertexOp(m_mesh, 0, MeshHiddenVertexOpConst::mhvoShowAll);
}
void BND_MeshNormalList::Clear()
{
m_mesh->m_N.SetCount(0);
ON_Mesh_RepairHiddenArray(m_mesh);
}
void BND_MeshNormalList::Destroy()
{
m_mesh->m_N.SetCapacity(0);
}
int BND_MeshNormalList::Add(float x, float y, float z)
{
int index = m_mesh->m_N.Count();
m_mesh->SetVertexNormal(index, ON_3fVector(x, y, z));
return index;
}
int BND_MeshFaceList::AddFace2(int vertex1, int vertex2, int vertex3, int vertex4)
{
int rc = -1;
int faceIndex = m_mesh->m_F.Count();
if (m_mesh->SetQuad(faceIndex, vertex1, vertex2, vertex3, vertex4))
rc = faceIndex;
m_mesh->DestroyRuntimeCache();
return rc;
}
bool BND_MeshFaceList::SetFace2(int index, int vertex1, int vertex2, int vertex3, int vertex4)
{
bool rc = m_mesh->SetQuad(index, vertex1, vertex2, vertex3, vertex4);
m_mesh->DestroyRuntimeCache();
return rc;
}
bool BND_MeshFaceList::HasNakedEdges(int index)
{
bool rc = false;
const ON_MeshTopology& topology = m_mesh->Topology();
const ON_MeshTopologyFace* face_top = topology.m_topf.At(index);
if (face_top)
{
for (int i = 0; i < 4; i++)
{
int edge = face_top->m_topei[i];
if (topology.m_tope[edge].m_topf_count == 1)
{
rc = true;
break;
}
}
}
return rc;
}
BND_TUPLE BND_MeshFaceList::GetFace(int i) const
{
#if defined(ON_PYTHON_COMPILE)
if (i < 0 || i >= m_mesh->m_F.Count())
throw pybind11::index_error();
#endif
ON_MeshFace& face = m_mesh->m_F[i];
BND_TUPLE rc = CreateTuple(4);
for (int i = 0; i < 4; i++)
SetTuple<int>(rc, i, face.vi[i]);
return rc;
}
BND_TUPLE BND_MeshFaceList::GetFaceVertices(int faceIndex) const
{
int count = m_mesh->m_F.Count();
if(faceIndex >= 0 && faceIndex < count)
{
ON_MeshFace& face = m_mesh->m_F[faceIndex];
BND_TUPLE rc = CreateTuple(5);
SetTuple(rc, 0, true);
for (int i = 0; i < 4; i++)
SetTuple(rc, i+1, m_mesh->m_V[ face.vi[i] ]);
return rc;
}
return NullTuple();
}
ON_3dPoint BND_MeshFaceList::GetFaceCenter(int faceIndex) const
{
int count = m_mesh->m_F.Count();
if(faceIndex >= 0 && faceIndex < count)
{
ON_3dPoint center;
ON_MeshFace& face = m_mesh->m_F[faceIndex];
if (face.IsQuad())
center = 0.25 * (m_mesh->m_V[face.vi[0]] + m_mesh->m_V[face.vi[1]] + m_mesh->m_V[face.vi[2]] + m_mesh->m_V[face.vi[3]]);
else
center = (1.0 / 3.0) * (m_mesh->m_V[face.vi[0]] + m_mesh->m_V[face.vi[1]] + m_mesh->m_V[face.vi[2]]);
return center;
}
return ON_3dPoint::UnsetPoint;
}
BND_MeshTopologyEdgeList::BND_MeshTopologyEdgeList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
ON_Line BND_MeshTopologyEdgeList::EdgeLine(int topologyEdgeIndex) const
{
const ON_MeshTopology& top = m_mesh->Topology();
const ON_MeshTopologyEdge& edge = top.m_tope[topologyEdgeIndex];
const ON_MeshTopologyVertex& v0 = top.m_topv[edge.m_topvi[0]];
const ON_MeshTopologyVertex& v1 = top.m_topv[edge.m_topvi[1]];
ON_Line rc;
rc.from = m_mesh->m_V[v0.m_vi[0]];
rc.to = m_mesh->m_V[v1.m_vi[0]];
return rc;
}
BND_MeshNormalList::BND_MeshNormalList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
BND_MeshVertexColorList::BND_MeshVertexColorList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
BND_Color BND_MeshVertexColorList::GetColor(int index) const
{
#if defined(ON_PYTHON_COMPILE)
if (index < 0 || index >= m_mesh->m_C.Count())
throw pybind11::index_error();
#endif
return ON_Color_to_Binding(m_mesh->m_C[index]);
}
void BND_MeshVertexColorList::SetColor(int index, BND_Color color)
{
#if defined(ON_PYTHON_COMPILE)
if (index < 0 || index >= m_mesh->m_C.Count())
throw pybind11::index_error();
#endif
// if index == count, then we are appending
if (index >= 0)
{
if (index < m_mesh->m_C.Count())
m_mesh->m_C[index] = Binding_to_ON_Color(color);
else if (index == m_mesh->m_C.Count())
m_mesh->m_C.Append(Binding_to_ON_Color(color));
}
}
int BND_MeshNormalList::Count() const
{
return m_mesh->m_N.Count();
}
ON_3fVector BND_MeshNormalList::GetNormal(int i) const
{
#if defined(ON_PYTHON_COMPILE)
if (i < 0 || i >= m_mesh->m_N.Count())
throw pybind11::index_error();
#endif
return m_mesh->m_N[i];
}
void BND_MeshNormalList::SetNormal(int i, ON_3fVector v)
{
#if defined(ON_PYTHON_COMPILE)
if (i < 0 || i >= m_mesh->m_N.Count())
throw pybind11::index_error();
#endif
m_mesh->m_N[i] = v;
}
BND_MeshTextureCoordinateList::BND_MeshTextureCoordinateList(ON_Mesh* mesh, const ON_ModelComponentReference& compref)
{
m_component_reference = compref;
m_mesh = mesh;
}
ON_2fPoint BND_MeshTextureCoordinateList::GetTextureCoordinate(int i) const
{
#if defined(ON_PYTHON_COMPILE)
if (i<0 || i >= m_mesh->m_T.Count())
throw pybind11::index_error();
#endif
return m_mesh->m_T[i];
}
void BND_MeshTextureCoordinateList::SetTextureCoordinate(int i, ON_2fPoint tc)
{
#if defined(ON_PYTHON_COMPILE)
if (i < 0 || i >= m_mesh->m_T.Count())
throw pybind11::index_error();
#endif
m_mesh->m_T[i] = tc;
}
int BND_MeshTextureCoordinateList::Add(float s, float t)
{
m_mesh->SetTextureCoord(m_mesh->m_T.Count(), s, t);
return m_mesh->m_T.Count() - 1;
}
BND_CachedTextureCoordinates::BND_CachedTextureCoordinates(const ON_TextureCoordinates& tc) : m_ctc(tc){}
BND_TUPLE BND_CachedTextureCoordinates::TryGetAt(int index) const
{
if ( index < 0 || index >= m_ctc.m_T.Count() ) return NullTuple();
bool success = false;
double u = 0;
double v = 0;
double w = 0;
u = m_ctc.m_T[index].x;
v = m_ctc.m_T[index].y;
w = m_ctc.m_T[index].z;
success = m_ctc.m_dim > 0 ? true : false;
BND_TUPLE rc = CreateTuple(4);
SetTuple<bool>(rc, 0, success);
SetTuple<double>(rc, 1, u);
SetTuple<double>(rc, 2, v);
SetTuple<double>(rc, 3, w);
return rc;
}
int BND_CachedTextureCoordinates::IndexOf(double x, double y, double z) const
{
int count = m_ctc.m_T.Count();
for (int i = 0; i < count; i++)
{
double u, v, w;
u = m_ctc.m_T[i].x;
v = m_ctc.m_T[i].y;
w = m_ctc.m_T[i].z;
bool success = m_ctc.m_dim > 0? true : false;
if (success && u == x && v == y && ( m_ctc.m_dim < 3 || w == z))
return i;
}
return -1;
}
bool BND_CachedTextureCoordinates::Contains(double x, double y, double z) const
{
int index = IndexOf(x, y, z);
return (index >= 0);
}
BND_CachedTextureCoordinates BND_Mesh::GetCachedTextureCoordinates( BND_UUID mappingId )
{
const ON_TextureCoordinates* tc = m_mesh->CachedTextureCoordinates( Binding_to_ON_UUID(mappingId) );
return BND_CachedTextureCoordinates(*tc);
}
void BND_Mesh::SetCachedTextureCoordinates(class BND_TextureMapping* tm, class BND_Transform* xf)
{
if (tm)
{
const ON_Xform* xform = xf ? &(xf->m_xform) : nullptr;
m_mesh->SetCachedTextureCoordinates(*tm->m_mapping, xform, false);
}
}
#if defined(ON_PYTHON_COMPILE)
namespace py = pybind11;
void initMeshBindings(pybind11::module& m)
{
py::class_<BND_MeshingParameters>(m, "MeshingParameters")
.def(py::init<>())
.def(py::init<double>(), py::arg("density"))
.def(py::init<double, double>(), py::arg("density"), py::arg("minimumEdgeLength"))
.def_property_readonly_static("Default", &BND_MeshingParameters::Default)
.def_property_readonly_static("FastRenderMesh", &BND_MeshingParameters::FastRenderMesh)
.def_property_readonly_static("QualityRenderMesh", &BND_MeshingParameters::QualityRenderMesh)
.def_property_readonly_static("DefaultAnalysisMesh", &BND_MeshingParameters::DefaultAnalysisMesh)
.def_property("TextureRange", &BND_MeshingParameters::GetTextureRange, &BND_MeshingParameters::SetTextureRange)
.def_property("JaggedSeams", &BND_MeshingParameters::GetJaggedSeams, &BND_MeshingParameters::SetJaggedSeams)
.def_property("RefineGrid", &BND_MeshingParameters::GetRefineGrid, &BND_MeshingParameters::SetRefineGrid)
.def_property("SimplePlanes", &BND_MeshingParameters::GetSimplePlanes, &BND_MeshingParameters::SetSimplePlanes)
.def_property("ComputeCurvature", &BND_MeshingParameters::GetComputeCurvature, &BND_MeshingParameters::SetComputeCurvature)
.def_property("ClosedObjectPostProcess", &BND_MeshingParameters::GetClosedObjectPostProcess, &BND_MeshingParameters::SetClosedObjectPostProcess)
.def_property("GridMinCount", &BND_MeshingParameters::GetGridMinCount, &BND_MeshingParameters::SetGridMinCount)
.def_property("GridMaxCount", &BND_MeshingParameters::GetGridMaxCount, &BND_MeshingParameters::SetGridMaxCount)
.def_property("GridAngle", &BND_MeshingParameters::GetGridAngle, &BND_MeshingParameters::SetGridAngle)
.def_property("GridAspectRatio", &BND_MeshingParameters::GetGridAspectRatio, &BND_MeshingParameters::SetGridAspectRatio)
.def_property("GridAmplification", &BND_MeshingParameters::GetGridAmplification, &BND_MeshingParameters::SetGridAmplification)
.def_property("Tolerance", &BND_MeshingParameters::GetTolerance, &BND_MeshingParameters::SetTolerance)
.def_property("MinimumTolerance", &BND_MeshingParameters::GetMinimumTolerance, &BND_MeshingParameters::SetMinimumTolerance)
.def_property("RelativeTolerance", &BND_MeshingParameters::GetRelativeTolerance, &BND_MeshingParameters::SetRelativeTolerance)
.def_property("MinimumEdgeLength", &BND_MeshingParameters::GetMinimumEdgeLength, &BND_MeshingParameters::SetMinimumEdgeLength)
.def_property("MaximumEdgeLength", &BND_MeshingParameters::GetMaximumEdgeLength, &BND_MeshingParameters::SetMaximumEdgeLength)
.def_property("RefineAngle", &BND_MeshingParameters::GetRefineAngle, &BND_MeshingParameters::SetRefineAngle)
.def("Encode", &BND_MeshingParameters::Encode)
.def_static("Decode", &BND_MeshingParameters::Decode, py::arg("jsonObject"))
;
py::class_<BND_MeshVertexList>(m, "MeshVertexList")
.def("__len__", &BND_MeshVertexList::Count)
.def("SetCount", &BND_MeshVertexList::SetCount)
.def("__getitem__", &BND_MeshVertexList::GetVertex)
.def("__setitem__", &BND_MeshVertexList::SetVertex)
.def_property("UseDoublePrecisionVertices", &BND_MeshVertexList::UseDoublePrecisionVertices, &BND_MeshVertexList::SetUseDoublePrecisionVertices)
.def("Clear", &BND_MeshVertexList::Clear)
.def("Destroy", &BND_MeshVertexList::Destroy)
.def("Add", &BND_MeshVertexList::Add, py::arg("x"), py::arg("y"), py::arg("z"))
.def("IsHidden", &BND_MeshVertexList::IsHidden, py::arg("vertexIndex"))
.def("Hide", &BND_MeshVertexList::Hide, py::arg("vertexIndex"))
.def("Show", &BND_MeshVertexList::Show, py::arg("vertexIndex"))
.def("HideAll", &BND_MeshVertexList::HideAll)
.def("ShowAll", &BND_MeshVertexList::ShowAll)
.def("CullUnused", &BND_MeshVertexList::CullUnused)
.def("CombineIdentical", &BND_MeshVertexList::CombineIdentical)
;
py::class_<BND_MeshTopologyEdgeList>(m, "MeshTopologyEdgeList")
.def("__len__", &BND_MeshTopologyEdgeList::Count)
.def("EdgeLine", &BND_MeshTopologyEdgeList::EdgeLine, py::arg("topologyEdgeIndex"))
;
py::class_<BND_MeshFaceList>(m, "MeshFaceList")
.def("__len__", &BND_MeshFaceList::Count)
.def("__getitem__", &BND_MeshFaceList::GetFace)
.def("GetFaceVertices", &BND_MeshFaceList::GetFaceVertices, py::arg("faceIndex"))
.def("GetFaceCenter", &BND_MeshFaceList::GetFaceCenter, py::arg("faceIndex"))
.def_property("Count", &BND_MeshFaceList::Count, &BND_MeshFaceList::SetCount)