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write face normals as double

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This commit is contained in:
Max Lyon
2020-02-10 09:19:09 +01:00
parent 27cab45624
commit d1da33cd1d
7 changed files with 78 additions and 14 deletions
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29
src/OpenMesh/Core/IO/reader/OMReader.cc
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@@ -355,6 +355,10 @@ bool _OMReader_::read_binary_vertex_chunk(std::istream &_is, BaseImporter &_bi,
_bi.set_normal(VertexHandle(int(vidx)), v3d);
}
}
else
{
omerr() << "Unknown vertex normal format" << std::endl;
}
break;
case Chunk::Type_Texcoord:
@@ -442,6 +446,7 @@ bool _OMReader_::read_binary_face_chunk(std::istream &_is, BaseImporter &_bi, Op
size_t fidx = 0;
OpenMesh::Vec3f v3f; // normal
OpenMesh::Vec3d v3d; // normal as double
OpenMesh::Vec3uc v3uc; // rgb
OpenMesh::Attributes::StatusInfo status;
@@ -496,10 +501,26 @@ bool _OMReader_::read_binary_face_chunk(std::istream &_is, BaseImporter &_bi, Op
assert( OMFormat::dimensions(chunk_header_) == size_t(OpenMesh::Vec3f::dim()));
fileOptions_ += Options::FaceNormal;
for (; fidx < header_.n_faces_ && !_is.eof(); ++fidx) {
bytes_ += vector_restore(_is, v3f, _swap);
if( fileOptions_.face_has_normal() && _opt.face_has_normal())
_bi.set_normal(FaceHandle(int(fidx)), v3f);
if (chunk_header_.bits_ == OMFormat::bits(0.0f)) // read floats
{
for (; fidx < header_.n_faces_ && !_is.eof(); ++fidx) {
bytes_ += vector_restore(_is, v3f, _swap);
if( fileOptions_.face_has_normal() && _opt.face_has_normal())
_bi.set_normal(FaceHandle(int(fidx)), v3f);
}
}
else if (chunk_header_.bits_ == OMFormat::bits(0.0)) // read doubles
{
for (; fidx < header_.n_faces_ && !_is.eof(); ++fidx) {
bytes_ += vector_restore(_is, v3d, _swap);
if( fileOptions_.face_has_normal() && _opt.face_has_normal())
_bi.set_normal(FaceHandle(int(fidx)), v3d);
}
}
else
{
omerr() << "Unknown face normal format" << std::endl;
}
break;