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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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1
src/OpenMesh/Core/IO/exporter/BaseExporter.hh
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@@ -122,6 +122,7 @@ public:
virtual unsigned int
get_face_texcoords(std::vector<Vec2f>& _hehandles) const = 0;
virtual Vec3f normal(FaceHandle _fh) const = 0;
virtual Vec3d normald(FaceHandle _fh) const = 0;
virtual Vec3uc color (FaceHandle _fh) const = 0;
virtual Vec4uc colorA(FaceHandle _fh) const = 0;
virtual Vec3ui colori(FaceHandle _fh) const = 0;

7
src/OpenMesh/Core/IO/exporter/ExporterT.hh
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@@ -328,6 +328,13 @@ public:
: Vec3f(0.0f, 0.0f, 0.0f));
}
Vec3d normald(FaceHandle _fh) const override
{
return (mesh_.has_face_normals()
? vector_cast<Vec3d>(mesh_.normal(_fh))
: Vec3d(0.0, 0.0, 0.0));
}
Vec3uc color(FaceHandle _fh) const override
{
return (mesh_.has_face_colors()

5
src/OpenMesh/Core/IO/importer/BaseImporter.hh
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@@ -126,7 +126,7 @@ public:
virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
// set vertex normal
virtual void set_normal(VertexHandle _vh, const Vec3d& _normal) { set_normal(_vh, Vec3f(_normal)); }
virtual void set_normal(VertexHandle _vh, const Vec3d& _normal) = 0;
// set vertex color
virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0;
@@ -182,6 +182,9 @@ public:
// set face normal
virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0;
// set face normal
virtual void set_normal(FaceHandle _fh, const Vec3d& _normal) = 0;
// set face color
virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0;

6
src/OpenMesh/Core/IO/importer/ImporterT.hh
View File

@@ -352,6 +352,12 @@ public:
mesh_.set_normal(_fh, vector_cast<Normal>(_normal));
}
virtual void set_normal(FaceHandle _fh, const Vec3d& _normal) override
{
if (mesh_.has_face_normals())
mesh_.set_normal(_fh, vector_cast<Normal>(_normal));
}
virtual void set_color(FaceHandle _fh, const Vec3uc& _color) override
{
if (mesh_.has_face_colors())

29
src/OpenMesh/Core/IO/reader/OMReader.cc
View File

@@ -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;

29
src/OpenMesh/Core/IO/writer/OMWriter.cc
View File

@@ -387,19 +387,36 @@ bool _OMWriter_::write_binary(std::ostream& _os, BaseExporter& _be,
{
#endif
Vec3f n = _be.normal(FaceHandle(0));
Vec3d nd = _be.normald(FaceHandle(0));
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Face;
chunk_header.type_ = OMFormat::Chunk::Type_Normal;
chunk_header.signed_ = OMFormat::is_signed(n[0]);
chunk_header.float_ = OMFormat::is_float(n[0]);
chunk_header.dim_ = OMFormat::dim(n);
chunk_header.bits_ = OMFormat::bits(n[0]);
if (_be.is_normal_double())
{
chunk_header.signed_ = OMFormat::is_signed(nd[0]);
chunk_header.float_ = OMFormat::is_float(nd[0]);
chunk_header.dim_ = OMFormat::dim(nd);
chunk_header.bits_ = OMFormat::bits(nd[0]);
}
else
{
chunk_header.signed_ = OMFormat::is_signed(n[0]);
chunk_header.float_ = OMFormat::is_float(n[0]);
chunk_header.dim_ = OMFormat::dim(n);
chunk_header.bits_ = OMFormat::bits(n[0]);
}
bytes += store( _os, chunk_header, swap );
#if !NEW_STYLE
for (i=0, nF=header.n_faces_; i<nF; ++i)
bytes += vector_store( _os, _be.normal(FaceHandle(i)), swap );
if (_be.is_normal_double())
for (i=0, nF=header.n_faces_; i<nF; ++i)
bytes += vector_store( _os, _be.normald(FaceHandle(i)), swap );
else
for (i=0, nF=header.n_faces_; i<nF; ++i)
bytes += vector_store( _os, _be.normal(FaceHandle(i)), swap );
#else
bytes += bp->store(_os, swap );
}