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Diffstat (limited to 'libs/assimp/code/AssetLib/IFC/IFCUtil.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/IFC/IFCUtil.cpp | 701 |
1 files changed, 0 insertions, 701 deletions
diff --git a/libs/assimp/code/AssetLib/IFC/IFCUtil.cpp b/libs/assimp/code/AssetLib/IFC/IFCUtil.cpp deleted file mode 100644 index 6b378c1..0000000 --- a/libs/assimp/code/AssetLib/IFC/IFCUtil.cpp +++ /dev/null @@ -1,701 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @file IFCUtil.cpp - * @brief Implementation of conversion routines for some common Ifc helper entities. - */ - -#ifndef ASSIMP_BUILD_NO_IFC_IMPORTER - -#include "AssetLib/IFC/IFCUtil.h" -#include "Common/PolyTools.h" -#include "PostProcessing/ProcessHelper.h" - -namespace Assimp { -namespace IFC { - -// ------------------------------------------------------------------------------------------------ -void TempOpening::Transform(const IfcMatrix4& mat) { - if(profileMesh) { - profileMesh->Transform(mat); - } - if(profileMesh2D) { - profileMesh2D->Transform(mat); - } - extrusionDir *= IfcMatrix3(mat); -} - -// ------------------------------------------------------------------------------------------------ -aiMesh* TempMesh::ToMesh() -{ - ai_assert(mVerts.size() == std::accumulate(mVertcnt.begin(),mVertcnt.end(),size_t(0))); - - if (mVerts.empty()) { - return nullptr; - } - - std::unique_ptr<aiMesh> mesh(new aiMesh()); - - // copy vertices - mesh->mNumVertices = static_cast<unsigned int>(mVerts.size()); - mesh->mVertices = new aiVector3D[mesh->mNumVertices]; - std::copy(mVerts.begin(),mVerts.end(),mesh->mVertices); - - // and build up faces - mesh->mNumFaces = static_cast<unsigned int>(mVertcnt.size()); - mesh->mFaces = new aiFace[mesh->mNumFaces]; - - for(unsigned int i = 0,n=0, acc = 0; i < mesh->mNumFaces; ++n) { - aiFace& f = mesh->mFaces[i]; - if (!mVertcnt[n]) { - --mesh->mNumFaces; - continue; - } - - f.mNumIndices = mVertcnt[n]; - f.mIndices = new unsigned int[f.mNumIndices]; - for(unsigned int a = 0; a < f.mNumIndices; ++a) { - f.mIndices[a] = acc++; - } - - ++i; - } - - return mesh.release(); -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::Clear() -{ - mVerts.clear(); - mVertcnt.clear(); -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::Transform(const IfcMatrix4& mat) -{ - for(IfcVector3& v : mVerts) { - v *= mat; - } -} - -// ------------------------------------------------------------------------------ -IfcVector3 TempMesh::Center() const -{ - return (mVerts.size() == 0) ? IfcVector3(0.0f, 0.0f, 0.0f) : (std::accumulate(mVerts.begin(),mVerts.end(),IfcVector3()) / static_cast<IfcFloat>(mVerts.size())); -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::Append(const TempMesh& other) -{ - mVerts.insert(mVerts.end(),other.mVerts.begin(),other.mVerts.end()); - mVertcnt.insert(mVertcnt.end(),other.mVertcnt.begin(),other.mVertcnt.end()); -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::RemoveDegenerates() -{ - // The strategy is simple: walk the mesh and compute normals using - // Newell's algorithm. The length of the normals gives the area - // of the polygons, which is close to zero for lines. - - std::vector<IfcVector3> normals; - ComputePolygonNormals(normals, false); - - bool drop = false; - size_t inor = 0; - - std::vector<IfcVector3>::iterator vit = mVerts.begin(); - for (std::vector<unsigned int>::iterator it = mVertcnt.begin(); it != mVertcnt.end(); ++inor) { - const unsigned int pcount = *it; - - if (normals[inor].SquareLength() < 1e-10f) { - it = mVertcnt.erase(it); - vit = mVerts.erase(vit, vit + pcount); - - drop = true; - continue; - } - - vit += pcount; - ++it; - } - - if(drop) { - IFCImporter::LogVerboseDebug("removing degenerate faces"); - } -} - -// ------------------------------------------------------------------------------------------------ -IfcVector3 TempMesh::ComputePolygonNormal(const IfcVector3* vtcs, size_t cnt, bool normalize) -{ - std::vector<IfcFloat> temp((cnt+2)*3); - for( size_t vofs = 0, i = 0; vofs < cnt; ++vofs ) - { - const IfcVector3& v = vtcs[vofs]; - temp[i++] = v.x; - temp[i++] = v.y; - temp[i++] = v.z; - } - - IfcVector3 nor; - NewellNormal<3, 3, 3>(nor, static_cast<int>(cnt), &temp[0], &temp[1], &temp[2]); - return normalize ? nor.Normalize() : nor; -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::ComputePolygonNormals(std::vector<IfcVector3>& normals, - bool normalize, - size_t ofs) const -{ - size_t max_vcount = 0; - std::vector<unsigned int>::const_iterator begin = mVertcnt.begin()+ofs, end = mVertcnt.end(), iit; - for(iit = begin; iit != end; ++iit) { - max_vcount = std::max(max_vcount,static_cast<size_t>(*iit)); - } - - std::vector<IfcFloat> temp((max_vcount+2)*4); - normals.reserve( normals.size() + mVertcnt.size()-ofs ); - - // `NewellNormal()` currently has a relatively strange interface and need to - // re-structure things a bit to meet them. - size_t vidx = std::accumulate(mVertcnt.begin(),begin,0); - for(iit = begin; iit != end; vidx += *iit++) { - if (!*iit) { - normals.push_back(IfcVector3()); - continue; - } - for(size_t vofs = 0, cnt = 0; vofs < *iit; ++vofs) { - const IfcVector3& v = mVerts[vidx+vofs]; - temp[cnt++] = v.x; - temp[cnt++] = v.y; - temp[cnt++] = v.z; -#ifdef ASSIMP_BUILD_DEBUG - temp[cnt] = std::numeric_limits<IfcFloat>::quiet_NaN(); -#endif - ++cnt; - } - - normals.push_back(IfcVector3()); - NewellNormal<4,4,4>(normals.back(),*iit,&temp[0],&temp[1],&temp[2]); - } - - if(normalize) { - for(IfcVector3& n : normals) { - n.Normalize(); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Compute the normal of the last polygon in the given mesh -IfcVector3 TempMesh::ComputeLastPolygonNormal(bool normalize) const { - return ComputePolygonNormal(&mVerts[mVerts.size() - mVertcnt.back()], mVertcnt.back(), normalize); -} - -struct CompareVector { - bool operator () (const IfcVector3& a, const IfcVector3& b) const { - IfcVector3 d = a - b; - IfcFloat eps = ai_epsilon; - return d.x < -eps || (std::abs(d.x) < eps && d.y < -eps) || (std::abs(d.x) < eps && std::abs(d.y) < eps && d.z < -eps); - } -}; - -struct FindVector { - IfcVector3 v; - FindVector(const IfcVector3& p) : v(p) { } - bool operator()(const IfcVector3 &p) { - return FuzzyVectorCompare(ai_epsilon)(p, v); - } -}; - -// ------------------------------------------------------------------------------------------------ -void TempMesh::FixupFaceOrientation() -{ - const IfcVector3 vavg = Center(); - - // create a list of start indices for all faces to allow random access to faces - std::vector<size_t> faceStartIndices(mVertcnt.size()); - for( size_t i = 0, a = 0; a < mVertcnt.size(); i += mVertcnt[a], ++a ) - faceStartIndices[a] = i; - - // list all faces on a vertex - std::map<IfcVector3, std::vector<size_t>, CompareVector> facesByVertex; - for( size_t a = 0; a < mVertcnt.size(); ++a ) - { - for( size_t b = 0; b < mVertcnt[a]; ++b ) - facesByVertex[mVerts[faceStartIndices[a] + b]].push_back(a); - } - // determine neighbourhood for all polys - std::vector<size_t> neighbour(mVerts.size(), SIZE_MAX); - std::vector<size_t> tempIntersect(10); - for( size_t a = 0; a < mVertcnt.size(); ++a ) - { - for( size_t b = 0; b < mVertcnt[a]; ++b ) - { - size_t ib = faceStartIndices[a] + b, nib = faceStartIndices[a] + (b + 1) % mVertcnt[a]; - const std::vector<size_t>& facesOnB = facesByVertex[mVerts[ib]]; - const std::vector<size_t>& facesOnNB = facesByVertex[mVerts[nib]]; - // there should be exactly one or two faces which appear in both lists. Our face and the other side - std::vector<size_t>::iterator sectstart = tempIntersect.begin(); - std::vector<size_t>::iterator sectend = std::set_intersection( - facesOnB.begin(), facesOnB.end(), facesOnNB.begin(), facesOnNB.end(), sectstart); - - if( std::distance(sectstart, sectend) != 2 ) - continue; - if( *sectstart == a ) - ++sectstart; - neighbour[ib] = *sectstart; - } - } - - // now we're getting started. We take the face which is the farthest away from the center. This face is most probably - // facing outwards. So we reverse this face to point outwards in relation to the center. Then we adapt neighbouring - // faces to have the same winding until all faces have been tested. - std::vector<bool> faceDone(mVertcnt.size(), false); - while( std::count(faceDone.begin(), faceDone.end(), false) != 0 ) - { - // find the farthest of the remaining faces - size_t farthestIndex = SIZE_MAX; - IfcFloat farthestDistance = -1.0; - for( size_t a = 0; a < mVertcnt.size(); ++a ) - { - if( faceDone[a] ) - continue; - IfcVector3 faceCenter = std::accumulate(mVerts.begin() + faceStartIndices[a], - mVerts.begin() + faceStartIndices[a] + mVertcnt[a], IfcVector3(0.0)) / IfcFloat(mVertcnt[a]); - IfcFloat dst = (faceCenter - vavg).SquareLength(); - if( dst > farthestDistance ) { farthestDistance = dst; farthestIndex = a; } - } - - // calculate its normal and reverse the poly if its facing towards the mesh center - IfcVector3 farthestNormal = ComputePolygonNormal(mVerts.data() + faceStartIndices[farthestIndex], mVertcnt[farthestIndex]); - IfcVector3 farthestCenter = std::accumulate(mVerts.begin() + faceStartIndices[farthestIndex], - mVerts.begin() + faceStartIndices[farthestIndex] + mVertcnt[farthestIndex], IfcVector3(0.0)) - / IfcFloat(mVertcnt[farthestIndex]); - // We accept a bit of negative orientation without reversing. In case of doubt, prefer the orientation given in - // the file. - if( (farthestNormal * (farthestCenter - vavg).Normalize()) < -0.4 ) - { - size_t fsi = faceStartIndices[farthestIndex], fvc = mVertcnt[farthestIndex]; - std::reverse(mVerts.begin() + fsi, mVerts.begin() + fsi + fvc); - std::reverse(neighbour.begin() + fsi, neighbour.begin() + fsi + fvc); - // because of the neighbour index belonging to the edge starting with the point at the same index, we need to - // cycle the neighbours through to match the edges again. - // Before: points A - B - C - D with edge neighbour p - q - r - s - // After: points D - C - B - A, reversed neighbours are s - r - q - p, but the should be - // r q p s - for( size_t a = 0; a < fvc - 1; ++a ) - std::swap(neighbour[fsi + a], neighbour[fsi + a + 1]); - } - faceDone[farthestIndex] = true; - std::vector<size_t> todo; - todo.push_back(farthestIndex); - - // go over its neighbour faces recursively and adapt their winding order to match the farthest face - while( !todo.empty() ) - { - size_t tdf = todo.back(); - size_t vsi = faceStartIndices[tdf], vc = mVertcnt[tdf]; - todo.pop_back(); - - // check its neighbours - for( size_t a = 0; a < vc; ++a ) - { - // ignore neighbours if we already checked them - size_t nbi = neighbour[vsi + a]; - if( nbi == SIZE_MAX || faceDone[nbi] ) - continue; - - const IfcVector3& vp = mVerts[vsi + a]; - size_t nbvsi = faceStartIndices[nbi], nbvc = mVertcnt[nbi]; - std::vector<IfcVector3>::iterator it = std::find_if(mVerts.begin() + nbvsi, mVerts.begin() + nbvsi + nbvc, FindVector(vp)); - ai_assert(it != mVerts.begin() + nbvsi + nbvc); - size_t nb_vidx = std::distance(mVerts.begin() + nbvsi, it); - // two faces winded in the same direction should have a crossed edge, where one face has p0->p1 and the other - // has p1'->p0'. If the next point on the neighbouring face is also the next on the current face, we need - // to reverse the neighbour - nb_vidx = (nb_vidx + 1) % nbvc; - size_t oursideidx = (a + 1) % vc; - if (FuzzyVectorCompare(ai_epsilon)(mVerts[vsi + oursideidx], mVerts[nbvsi + nb_vidx])) { - std::reverse(mVerts.begin() + nbvsi, mVerts.begin() + nbvsi + nbvc); - std::reverse(neighbour.begin() + nbvsi, neighbour.begin() + nbvsi + nbvc); - for (size_t aa = 0; aa < nbvc - 1; ++aa) { - std::swap(neighbour[nbvsi + aa], neighbour[nbvsi + aa + 1]); - } - } - - // either way we're done with the neighbour. Mark it as done and continue checking from there recursively - faceDone[nbi] = true; - todo.push_back(nbi); - } - } - - // no more faces reachable from this part of the surface, start over with a disjunct part and its farthest face - } -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::RemoveAdjacentDuplicates() { - bool drop = false; - std::vector<IfcVector3>::iterator base = mVerts.begin(); - for(unsigned int& cnt : mVertcnt) { - if (cnt < 2){ - base += cnt; - continue; - } - - IfcVector3 vmin,vmax; - ArrayBounds(&*base, cnt ,vmin,vmax); - - - const IfcFloat epsilon = (vmax-vmin).SquareLength() / static_cast<IfcFloat>(1e9); - //const IfcFloat dotepsilon = 1e-9; - - //// look for vertices that lie directly on the line between their predecessor and their - //// successor and replace them with either of them. - - //for(size_t i = 0; i < cnt; ++i) { - // IfcVector3& v1 = *(base+i), &v0 = *(base+(i?i-1:cnt-1)), &v2 = *(base+(i+1)%cnt); - // const IfcVector3& d0 = (v1-v0), &d1 = (v2-v1); - // const IfcFloat l0 = d0.SquareLength(), l1 = d1.SquareLength(); - // if (!l0 || !l1) { - // continue; - // } - - // const IfcFloat d = (d0/std::sqrt(l0))*(d1/std::sqrt(l1)); - - // if ( d >= 1.f-dotepsilon ) { - // v1 = v0; - // } - // else if ( d < -1.f+dotepsilon ) { - // v2 = v1; - // continue; - // } - //} - - // drop any identical, adjacent vertices. this pass will collect the dropouts - // of the previous pass as a side-effect. - FuzzyVectorCompare fz(epsilon); - std::vector<IfcVector3>::iterator end = base+cnt, e = std::unique( base, end, fz ); - if (e != end) { - cnt -= static_cast<unsigned int>(std::distance(e, end)); - mVerts.erase(e,end); - drop = true; - } - - // check front and back vertices for this polygon - if (cnt > 1 && fz(*base,*(base+cnt-1))) { - mVerts.erase(base+ --cnt); - drop = true; - } - - // removing adjacent duplicates shouldn't erase everything :-) - ai_assert(cnt>0); - base += cnt; - } - if(drop) { - IFCImporter::LogVerboseDebug("removing duplicate vertices"); - } -} - -// ------------------------------------------------------------------------------------------------ -void TempMesh::Swap(TempMesh& other) -{ - mVertcnt.swap(other.mVertcnt); - mVerts.swap(other.mVerts); -} - -// ------------------------------------------------------------------------------------------------ -bool IsTrue(const ::Assimp::STEP::EXPRESS::BOOLEAN& in) -{ - return (std::string)in == "TRUE" || (std::string)in == "T"; -} - -// ------------------------------------------------------------------------------------------------ -IfcFloat ConvertSIPrefix(const std::string& prefix) -{ - if (prefix == "EXA") { - return 1e18f; - } - else if (prefix == "PETA") { - return 1e15f; - } - else if (prefix == "TERA") { - return 1e12f; - } - else if (prefix == "GIGA") { - return 1e9f; - } - else if (prefix == "MEGA") { - return 1e6f; - } - else if (prefix == "KILO") { - return 1e3f; - } - else if (prefix == "HECTO") { - return 1e2f; - } - else if (prefix == "DECA") { - return 1e-0f; - } - else if (prefix == "DECI") { - return 1e-1f; - } - else if (prefix == "CENTI") { - return 1e-2f; - } - else if (prefix == "MILLI") { - return 1e-3f; - } - else if (prefix == "MICRO") { - return 1e-6f; - } - else if (prefix == "NANO") { - return 1e-9f; - } - else if (prefix == "PICO") { - return 1e-12f; - } - else if (prefix == "FEMTO") { - return 1e-15f; - } - else if (prefix == "ATTO") { - return 1e-18f; - } - else { - IFCImporter::LogError("Unrecognized SI prefix: ", prefix); - return 1; - } -} - -// ------------------------------------------------------------------------------------------------ -void ConvertColor(aiColor4D& out, const Schema_2x3::IfcColourRgb& in) -{ - out.r = static_cast<float>( in.Red ); - out.g = static_cast<float>( in.Green ); - out.b = static_cast<float>( in.Blue ); - out.a = static_cast<float>( 1.f ); -} - -// ------------------------------------------------------------------------------------------------ -void ConvertColor(aiColor4D& out, const Schema_2x3::IfcColourOrFactor& in,ConversionData& conv,const aiColor4D* base) -{ - if (const ::Assimp::STEP::EXPRESS::REAL* const r = in.ToPtr<::Assimp::STEP::EXPRESS::REAL>()) { - out.r = out.g = out.b = static_cast<float>(*r); - if(base) { - out.r *= static_cast<float>( base->r ); - out.g *= static_cast<float>( base->g ); - out.b *= static_cast<float>( base->b ); - out.a = static_cast<float>( base->a ); - } - else out.a = 1.0; - } - else if (const Schema_2x3::IfcColourRgb* const rgb = in.ResolveSelectPtr<Schema_2x3::IfcColourRgb>(conv.db)) { - ConvertColor(out,*rgb); - } - else { - IFCImporter::LogWarn("skipping unknown IfcColourOrFactor entity"); - } -} - -// ------------------------------------------------------------------------------------------------ -void ConvertCartesianPoint(IfcVector3& out, const Schema_2x3::IfcCartesianPoint& in) -{ - out = IfcVector3(); - for(size_t i = 0; i < in.Coordinates.size(); ++i) { - out[static_cast<unsigned int>(i)] = in.Coordinates[i]; - } -} - -// ------------------------------------------------------------------------------------------------ -void ConvertVector(IfcVector3& out, const Schema_2x3::IfcVector& in) -{ - ConvertDirection(out,in.Orientation); - out *= in.Magnitude; -} - -// ------------------------------------------------------------------------------------------------ -void ConvertDirection(IfcVector3& out, const Schema_2x3::IfcDirection& in) -{ - out = IfcVector3(); - for(size_t i = 0; i < in.DirectionRatios.size(); ++i) { - out[static_cast<unsigned int>(i)] = in.DirectionRatios[i]; - } - const IfcFloat len = out.Length(); - if (len < ai_epsilon) { - IFCImporter::LogWarn("direction vector magnitude too small, normalization would result in a division by zero"); - return; - } - out /= len; -} - -// ------------------------------------------------------------------------------------------------ -void AssignMatrixAxes(IfcMatrix4& out, const IfcVector3& x, const IfcVector3& y, const IfcVector3& z) -{ - out.a1 = x.x; - out.b1 = x.y; - out.c1 = x.z; - - out.a2 = y.x; - out.b2 = y.y; - out.c2 = y.z; - - out.a3 = z.x; - out.b3 = z.y; - out.c3 = z.z; -} - -// ------------------------------------------------------------------------------------------------ -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement3D& in) -{ - IfcVector3 loc; - ConvertCartesianPoint(loc,in.Location); - - IfcVector3 z(0.f,0.f,1.f),r(1.f,0.f,0.f),x; - - if (in.Axis) { - ConvertDirection(z,*in.Axis.Get()); - } - if (in.RefDirection) { - ConvertDirection(r,*in.RefDirection.Get()); - } - - IfcVector3 v = r.Normalize(); - IfcVector3 tmpx = z * (v*z); - - x = (v-tmpx).Normalize(); - IfcVector3 y = (z^x); - - IfcMatrix4::Translation(loc,out); - AssignMatrixAxes(out,x,y,z); -} - -// ------------------------------------------------------------------------------------------------ -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement2D& in) -{ - IfcVector3 loc; - ConvertCartesianPoint(loc,in.Location); - - IfcVector3 x(1.f,0.f,0.f); - if (in.RefDirection) { - ConvertDirection(x,*in.RefDirection.Get()); - } - - const IfcVector3 y = IfcVector3(x.y,-x.x,0.f); - - IfcMatrix4::Translation(loc,out); - AssignMatrixAxes(out,x,y,IfcVector3(0.f,0.f,1.f)); -} - -// ------------------------------------------------------------------------------------------------ -void ConvertAxisPlacement(IfcVector3& axis, IfcVector3& pos, const Schema_2x3::IfcAxis1Placement& in) -{ - ConvertCartesianPoint(pos,in.Location); - if (in.Axis) { - ConvertDirection(axis,in.Axis.Get()); - } - else { - axis = IfcVector3(0.f,0.f,1.f); - } -} - -// ------------------------------------------------------------------------------------------------ -void ConvertAxisPlacement(IfcMatrix4& out, const Schema_2x3::IfcAxis2Placement& in, ConversionData& conv) -{ - if(const Schema_2x3::IfcAxis2Placement3D* pl3 = in.ResolveSelectPtr<Schema_2x3::IfcAxis2Placement3D>(conv.db)) { - ConvertAxisPlacement(out,*pl3); - } - else if(const Schema_2x3::IfcAxis2Placement2D* pl2 = in.ResolveSelectPtr<Schema_2x3::IfcAxis2Placement2D>(conv.db)) { - ConvertAxisPlacement(out,*pl2); - } - else { - IFCImporter::LogWarn("skipping unknown IfcAxis2Placement entity"); - } -} - -// ------------------------------------------------------------------------------------------------ -void ConvertTransformOperator(IfcMatrix4& out, const Schema_2x3::IfcCartesianTransformationOperator& op) -{ - IfcVector3 loc; - ConvertCartesianPoint(loc,op.LocalOrigin); - - IfcVector3 x(1.f,0.f,0.f),y(0.f,1.f,0.f),z(0.f,0.f,1.f); - if (op.Axis1) { - ConvertDirection(x,*op.Axis1.Get()); - } - if (op.Axis2) { - ConvertDirection(y,*op.Axis2.Get()); - } - if (const Schema_2x3::IfcCartesianTransformationOperator3D* op2 = op.ToPtr<Schema_2x3::IfcCartesianTransformationOperator3D>()) { - if(op2->Axis3) { - ConvertDirection(z,*op2->Axis3.Get()); - } - } - - IfcMatrix4 locm; - IfcMatrix4::Translation(loc,locm); - AssignMatrixAxes(out,x,y,z); - - - IfcVector3 vscale; - if (const Schema_2x3::IfcCartesianTransformationOperator3DnonUniform* nuni = op.ToPtr<Schema_2x3::IfcCartesianTransformationOperator3DnonUniform>()) { - vscale.x = nuni->Scale?op.Scale.Get():1.f; - vscale.y = nuni->Scale2?nuni->Scale2.Get():1.f; - vscale.z = nuni->Scale3?nuni->Scale3.Get():1.f; - } - else { - const IfcFloat sc = op.Scale?op.Scale.Get():1.f; - vscale = IfcVector3(sc,sc,sc); - } - - IfcMatrix4 s; - IfcMatrix4::Scaling(vscale,s); - - out = locm * out * s; -} - - -} // ! IFC -} // ! Assimp - -#endif |