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PLY format now supports texture coordinates (actually written/read per vertex and not per face (halfedge))

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@158 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Mike Kremer
2009-06-12 12:46:12 +00:00
parent d1bd070c35
commit bcd590e1b3
2 changed files with 196 additions and 134 deletions
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272
src/OpenMesh/Core/IO/reader/PLYReader.cc
View File

@@ -113,16 +113,21 @@ bool _PLYReader_::read(std::fstream& _in, BaseImporter& _bi, Options& _opt) cons
// build options to be returned
_opt.clear();
if (options_.vertex_has_normal() && userOptions_.vertex_has_normal())
if (options_.vertex_has_normal() && userOptions_.vertex_has_normal()) {
_opt += Options::VertexNormal;
if (options_.vertex_has_texcoord() && userOptions_.vertex_has_texcoord())
}
if (options_.vertex_has_texcoord() && userOptions_.vertex_has_texcoord()) {
_opt += Options::VertexTexCoord;
if (options_.vertex_has_color() && userOptions_.vertex_has_color())
}
if (options_.vertex_has_color() && userOptions_.vertex_has_color()) {
_opt += Options::VertexColor;
if (options_.face_has_color() && userOptions_.face_has_color())
}
if (options_.face_has_color() && userOptions_.face_has_color()) {
_opt += Options::FaceColor;
if (options_.is_binary())
}
if (options_.is_binary()) {
_opt += Options::Binary;
}
// //force user-choice for the alpha value when reading binary
// if ( options_.is_binary() && userOptions_.color_has_alpha() )
@@ -148,7 +153,7 @@ bool _PLYReader_::read_ascii(std::fstream& _in, BaseImporter& _bi) const {
unsigned int nV;
OpenMesh::Vec3f v;
std::string trash;
// OpenMesh::Vec2f t;
OpenMesh::Vec2f t;
OpenMesh::Vec4i c;
float tmp;
BaseImporter::VHandles vhandles;
@@ -167,6 +172,9 @@ bool _PLYReader_::read_ascii(std::fstream& _in, BaseImporter& _bi) const {
v[1] = 0.0;
v[2] = 0.0;
t[0] = 0.0;
t[1] = 0.0;
c[0] = 0;
c[1] = 0;
c[2] = 0;
@@ -183,6 +191,12 @@ bool _PLYReader_::read_ascii(std::fstream& _in, BaseImporter& _bi) const {
case ZCOORD:
_in >> v[2];
break;
case TEXX:
_in >> t[0];
break;
case TEXY:
_in >> t[1];
break;
case COLORRED:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
_in >> tmp;
@@ -218,6 +232,7 @@ bool _PLYReader_::read_ascii(std::fstream& _in, BaseImporter& _bi) const {
}
vh = _bi.add_vertex(v);
_bi.set_texcoord(vh, t);
_bi.set_color(vh, Vec4uc(c));
}
@@ -254,6 +269,131 @@ bool _PLYReader_::read_ascii(std::fstream& _in, BaseImporter& _bi) const {
//-----------------------------------------------------------------------------
bool _PLYReader_::read_binary(std::fstream& _in, BaseImporter& _bi, bool /*_swap*/) const {
omlog() << "[PLYReader] : read binary file format\n";
// Reparse the header
if (!can_u_read(_in)) {
omerr() << "[PLYReader] : Unable to parse header\n";
return false;
}
unsigned int i, j, k, l, idx;
unsigned int nV;
OpenMesh::Vec3f v; // Vertex
OpenMesh::Vec2f t; // TexCoords
BaseImporter::VHandles vhandles;
VertexHandle vh;
OpenMesh::Vec4i c; // Color
float tmp;
_bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);
// read vertices:
for (i = 0; i < vertexCount_ && !_in.eof(); ++i) {
v[0] = 0.0;
v[1] = 0.0;
v[2] = 0.0;
t[0] = 0.0;
t[1] = 0.0;
c[0] = 0;
c[1] = 0;
c[2] = 0;
c[3] = 255;
for (uint propertyIndex = 0; propertyIndex < vertexPropertyCount_; ++propertyIndex) {
switch (vertexPropertyMap_[propertyIndex].first) {
case XCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[0]);
break;
case YCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[1]);
break;
case ZCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[2]);
break;
case TEXX:
readValue(vertexPropertyMap_[propertyIndex].second, _in, t[0]);
break;
case TEXY:
readValue(vertexPropertyMap_[propertyIndex].second, _in, t[1]);
break;
case COLORRED:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[0]);
break;
case COLORGREEN:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[1]);
break;
case COLORBLUE:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[2]);
break;
case COLORALPHA:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[3]);
break;
default:
break;
}
}
vh = _bi.add_vertex(v);
_bi.set_texcoord(vh, t);
_bi.set_color(vh, Vec4uc(c));
}
for (i = 0; i < faceCount_; ++i) {
// Read number of vertices for the current face
readValue(faceIndexType_, _in, nV);
if (nV == 3) {
vhandles.resize(3);
readValue(faceEntryType_, _in, j);
readValue(faceEntryType_, _in, k);
readValue(faceEntryType_, _in, l);
vhandles[0] = VertexHandle(j);
vhandles[1] = VertexHandle(k);
vhandles[2] = VertexHandle(l);
} else {
vhandles.clear();
for (j = 0; j < nV; ++j) {
readValue(faceEntryType_, _in, idx);
vhandles.push_back(VertexHandle(idx));
}
}
FaceHandle fh = _bi.add_face(vhandles);
}
return true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void _PLYReader_::readValue(ValueType _type, std::fstream& _in, float& _value) const {
switch (_type) {
@@ -314,120 +454,12 @@ void _PLYReader_::readValue(ValueType _type, std::fstream& _in, int& _value) con
}
}
bool _PLYReader_::read_binary(std::fstream& _in, BaseImporter& _bi, bool /*_swap*/) const {
omlog() << "[PLYReader] : read binary file format\n";
// Reparse the header
if (!can_u_read(_in)) {
omerr() << "[PLYReader] : Unable to parse header\n";
return false;
}
unsigned int i, j, k, l, idx;
unsigned int nV;
OpenMesh::Vec3f v;
BaseImporter::VHandles vhandles;
VertexHandle vh;
OpenMesh::Vec4i c;
float tmp;
_bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);
// read vertices:
for (i = 0; i < vertexCount_ && !_in.eof(); ++i) {
v[0] = 0.0;
v[1] = 0.0;
v[2] = 0.0;
c[0] = 0;
c[1] = 0;
c[2] = 0;
c[3] = 255;
for (uint propertyIndex = 0; propertyIndex < vertexPropertyCount_; ++propertyIndex) {
switch (vertexPropertyMap_[propertyIndex].first) {
case XCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[0]);
break;
case YCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[1]);
break;
case ZCOORD:
readValue(vertexPropertyMap_[propertyIndex].second, _in, v[2]);
break;
case COLORRED:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[0]);
break;
case COLORGREEN:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[1]);
break;
case COLORBLUE:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[2]);
break;
case COLORALPHA:
if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32) {
readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
} else
readValue(vertexPropertyMap_[propertyIndex].second, _in, c[3]);
break;
default:
break;
}
}
vh = _bi.add_vertex(v);
_bi.set_color(vh, Vec4uc(c));
}
for (i = 0; i < faceCount_; ++i) {
// Read number of vertices for the current face
readValue(faceIndexType_, _in, nV);
if (nV == 3) {
vhandles.resize(3);
readValue(faceEntryType_, _in, j);
readValue(faceEntryType_, _in, k);
readValue(faceEntryType_, _in, l);
vhandles[0] = VertexHandle(j);
vhandles[1] = VertexHandle(k);
vhandles[2] = VertexHandle(l);
} else {
vhandles.clear();
for (j = 0; j < nV; ++j) {
readValue(faceEntryType_, _in, idx);
vhandles.push_back(VertexHandle(idx));
}
}
FaceHandle fh = _bi.add_face(vhandles);
}
return true;
}
//-----------------------------------------------------------------------------
//------------------------------------------------------------------------------
bool _PLYReader_::can_u_read(const std::string& _filename) const {
// !!! Assuming BaseReader::can_u_parse( std::string& )
// does not call BaseReader::read_magic()!!!
if (BaseReader::can_u_read(_filename)) {
std::ifstream ifs(_filename.c_str());
if (ifs.is_open() && can_u_read(ifs)) {
@@ -595,6 +627,14 @@ bool _PLYReader_::can_u_read(std::istream& _is) const {
std::pair<VertexProperty, ValueType> entry(ZCOORD, valueType);
vertexPropertyMap_[vertexPropertyCount_] = entry;
vertexDimension_++;
} else if (propertyName == "u" || propertyName == "s") {
std::pair<VertexProperty, ValueType> entry(TEXX, valueType);
vertexPropertyMap_[vertexPropertyCount_] = entry;
options_ += Options::VertexTexCoord;
} else if (propertyName == "v" || propertyName == "t") {
std::pair<VertexProperty, ValueType> entry(TEXY, valueType);
vertexPropertyMap_[vertexPropertyCount_] = entry;
options_ += Options::VertexTexCoord;
} else if (propertyName == "red") {
std::pair<VertexProperty, ValueType> entry(COLORRED, valueType);
vertexPropertyMap_[vertexPropertyCount_] = entry;

58
src/OpenMesh/Core/IO/writer/PLYWriter.cc
View File

@@ -4,10 +4,10 @@
* Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
*---------------------------------------------------------------------------*
* This file is part of OpenMesh. *
* *
* OpenMesh is free software: you can redistribute it and/or modify *
* OpenMesh is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of *
* the License, or (at your option) any later version with the *
@@ -30,10 +30,10 @@
* License along with OpenMesh. If not, *
* see <http://www.gnu.org/licenses/>. *
* *
\*===========================================================================*/
\*===========================================================================*/
/*===========================================================================*\
* *
* *
* $Revision$ *
* $Date$ *
* *
@@ -125,9 +125,9 @@ write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
unsigned int i, j, nV, nF;
Vec3f v, n;
Vec2f t;
OpenMesh::Vec3f c;
OpenMesh::Vec4f cA;
OpenMesh::Vec2f t;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
@@ -140,6 +140,11 @@ write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
_out << "property float32 y" << std::endl;
_out << "property float32 z" << std::endl;
if ( _opt.vertex_has_texcoord() ){
_out << "property float32 u" << std::endl;
_out << "property float32 v" << std::endl;
}
if ( _opt.vertex_has_color() ){
_out << "property int32 red" << std::endl;
_out << "property int32 green" << std::endl;
@@ -162,6 +167,12 @@ write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
//Vertex
_out << v[0] << " " << v[1] << " " << v[2];
// Vertex TexCoords
if ( _opt.vertex_has_texcoord() ) {
t = _be.texcoord(vh);
_out << " " << t[0] << " " << t[1];
}
// VertexColor
if ( _opt.vertex_has_color() ) {
//with alpha
@@ -177,16 +188,16 @@ write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
_out << "\n";
}
// faces (indices starting at 0)
if (_be.is_triangle_mesh())
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
_be.get_vhandles(FaceHandle(i), vhandles);
_out << 3 << " ";
_out << 3 << " ";
_out << vhandles[0].idx() << " ";
_out << vhandles[1].idx() << " ";
_out << vhandles[1].idx() << " ";
_out << vhandles[2].idx();
// //face color
@@ -297,7 +308,7 @@ void _PLYWriter_::writeValue(ValueType _type, std::fstream& _out, float value) c
}
}
bool
bool
_PLYWriter_::
write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
@@ -310,7 +321,6 @@ write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
VertexHandle vh;
std::vector<VertexHandle> vhandles;
//writing header
_out << "ply" << std::endl;
_out << "format ";
@@ -328,6 +338,11 @@ write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
_out << "property float32 y" << std::endl;
_out << "property float32 z" << std::endl;
if ( _opt.vertex_has_texcoord() ){
_out << "property float32 u" << std::endl;
_out << "property float32 v" << std::endl;
}
if ( _opt.vertex_has_color() ){
_out << "property int32 red" << std::endl;
_out << "property int32 green" << std::endl;
@@ -340,18 +355,25 @@ write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
_out << "element face " << _be.n_faces() << std::endl;
_out << "property list uchar int32 vertex_indices" << std::endl;
_out << "end_header" << std::endl;
// vertex data (point, normals, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
//vertex
writeValue(ValueTypeFLOAT, _out, v[0]);
writeValue(ValueTypeFLOAT, _out, v[1]);
writeValue(ValueTypeFLOAT, _out, v[2]);
// Vertex TexCoords
if ( _opt.vertex_has_texcoord() ) {
t = _be.texcoord(vh);
writeValue(ValueTypeFLOAT, _out, t[0]);
writeValue(ValueTypeFLOAT, _out, t[1]);
}
// vertex color
if ( _opt.vertex_has_color() ) {
c = _be.colorA(vh);
@@ -382,7 +404,7 @@ write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
// writeValue(_out, c[0]);
// writeValue(_out, c[1]);
// writeValue(_out, c[2]);
//
//
// if ( _opt.color_has_alpha() )
// writeValue(_out, c[3]);
// }
@@ -404,7 +426,7 @@ write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
// writeValue(_out, c[0]);
// writeValue(_out, c[1]);
// writeValue(_out, c[2]);
//
//
// if ( _opt.color_has_alpha() )
// writeValue(_out, c[3]);
// }
@@ -427,7 +449,7 @@ binary_size(BaseExporter& _be, Options _opt) const
size_t _3floats(3*sizeof(float));
size_t _3ui(3*sizeof(unsigned int));
size_t _4ui(4*sizeof(unsigned int));
if ( !_opt.is_binary() )
return 0;
else
@@ -442,7 +464,7 @@ binary_size(BaseExporter& _be, Options _opt) const
header += 1; // N
data += _be.n_vertices() * _3floats;
}
if ( _opt.vertex_has_color() && _be.has_vertex_colors() )
{
header += 1; // C
@@ -473,7 +495,7 @@ binary_size(BaseExporter& _be, Options _opt) const
}
}
// face colors
if ( _opt.face_has_color() && _be.has_face_colors() ){
if ( _opt.color_has_alpha() )