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OpenDroneMap-ODM/modules/odm_filterpoints/src/ModifiedPlyWriter.cpp

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/******************************************************************************
* Copyright (c) 2015, Peter J. Gadomski <pete.gadomski@gmail.com>
*
* All rights reserved.
*
* Redistribution and use 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 Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* 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.
****************************************************************************/
// Modified to output certain property names in normalized format ("nx", "ny", ... instead of "normalx", "normaly", etc.)
#include "ModifiedPlyWriter.hpp"
#include <limits>
#include <sstream>
#include <pdal/util/OStream.hpp>
#include <pdal/util/ProgramArgs.hpp>
namespace pdal
{
std::string ModifiedPlyWriter::getName() const { return "ModifiedPlyWriter"; }
ModifiedPlyWriter::ModifiedPlyWriter()
{}
void ModifiedPlyWriter::addArgs(ProgramArgs& args)
{
args.add("filename", "Output filename", m_filename).setPositional();
args.add("storage_mode", "PLY Storage Mode", m_format, Format::Ascii);
args.add("dims", "Dimension names", m_dimNames);
args.add("faces", "Write faces", m_faces);
m_precisionArg = &args.add("precision", "Output precision", m_precision, 3);
}
void ModifiedPlyWriter::prepared(PointTableRef table)
{
if (m_precisionArg->set() && m_format != Format::Ascii)
throwError("Option 'precision' can only be set of the 'storage_mode' "
"is ascii.");
if (m_dimNames.size())
{
for (auto& name : m_dimNames)
{
auto id = table.layout()->findDim(name);
if (id == Dimension::Id::Unknown)
throwError("Unknown dimension '" + name + "' in provided "
"dimension list.");
m_dims.push_back(id);
}
}
else
{
m_dims = table.layout()->dims();
for (auto dim : m_dims)
m_dimNames.push_back(Utils::tolower(table.layout()->dimName(dim)));
}
}
std::string ModifiedPlyWriter::getType(Dimension::Type type) const
{
static std::map<Dimension::Type, std::string> types =
{
{ Dimension::Type::Signed8, "char" },
{ Dimension::Type::Unsigned8, "uchar" },
{ Dimension::Type::Signed16, "short" },
{ Dimension::Type::Unsigned16, "ushort" },
{ Dimension::Type::Signed32, "int" },
{ Dimension::Type::Unsigned32, "uint" },
{ Dimension::Type::Float, "float" },
{ Dimension::Type::Double, "double" }
};
try
{
return types.at(type);
}
catch (std::out_of_range&)
{
throwError("Can't write dimension of type '" +
Dimension::interpretationName(type) + "'.");
}
return "";
}
void ModifiedPlyWriter::writeHeader(PointLayoutPtr layout) const
{
*m_stream << "ply" << std::endl;
*m_stream << "format " << m_format << " 1.0" << std::endl;
*m_stream << "comment Generated by odm_filterpoints" << std::endl;
*m_stream << "element vertex " << pointCount() << std::endl;
auto ni = m_dimNames.begin();
for (auto dim : m_dims)
{
std::string name = *ni++;
std::string typeString = getType(layout->dimType(dim));
// Normalize certain property names
if (name == "normalx" || name == "normal_x") name = "nx";
if (name == "normaly" || name == "normal_y") name = "ny";
if (name == "normalz" || name == "normal_z") name = "nz";
if (name == "diffuse_red") name = "red";
if (name == "diffuse_green") name = "green";
if (name == "diffuse_blue") name = "blue";
*m_stream << "property " << typeString << " " << name << std::endl;
}
if (m_faces)
{
*m_stream << "element face " << faceCount() << std::endl;
*m_stream << "property list uchar uint vertex_indices" << std::endl;
}
*m_stream << "end_header" << std::endl;
}
void ModifiedPlyWriter::ready(PointTableRef table)
{
if (pointCount() > (std::numeric_limits<uint32_t>::max)())
throwError("Can't write PLY file. Only " +
std::to_string((std::numeric_limits<uint32_t>::max)()) +
" points supported.");
m_stream = Utils::createFile(m_filename, true);
if (m_format == Format::Ascii && m_precisionArg->set())
{
*m_stream << std::fixed;
m_stream->precision(m_precision);
}
writeHeader(table.layout());
}
void ModifiedPlyWriter::write(const PointViewPtr data)
{
m_views.push_back(data);
}
void ModifiedPlyWriter::writeValue(PointRef& point, Dimension::Id dim,
Dimension::Type type)
{
if (m_format == Format::Ascii)
{
double d = point.getFieldAs<double>(dim);
*m_stream << d;
}
else if (m_format == Format::BinaryLe)
{
OLeStream out(m_stream);
Everything e;
point.getField((char *)&e, dim, type);
Utils::insertDim(out, type, e);
}
else if (m_format == Format::BinaryBe)
{
OBeStream out(m_stream);
Everything e;
point.getField((char *)&e, dim, type);
Utils::insertDim(out, type, e);
}
}
void ModifiedPlyWriter::writePoint(PointRef& point, PointLayoutPtr layout)
{
for (auto it = m_dims.begin(); it != m_dims.end();)
{
Dimension::Id dim = *it;
writeValue(point, dim, layout->dimType(dim));
++it;
if (m_format == Format::Ascii && it != m_dims.end())
*m_stream << " ";
}
if (m_format == Format::Ascii)
*m_stream << std::endl;
}
void ModifiedPlyWriter::writeTriangle(const Triangle& t, size_t offset)
{
if (m_format == Format::Ascii)
{
*m_stream << "3 " << (t.m_a + offset) << " " <<
(t.m_b + offset) << " " << (t.m_c + offset) << std::endl;
}
else if (m_format == Format::BinaryLe)
{
OLeStream out(m_stream);
unsigned char count = 3;
uint32_t a = (uint32_t)(t.m_a + offset);
uint32_t b = (uint32_t)(t.m_b + offset);
uint32_t c = (uint32_t)(t.m_c + offset);
out << count << a << b << c;
}
else if (m_format == Format::BinaryBe)
{
OBeStream out(m_stream);
unsigned char count = 3;
uint32_t a = (uint32_t)(t.m_a + offset);
uint32_t b = (uint32_t)(t.m_b + offset);
uint32_t c = (uint32_t)(t.m_c + offset);
out << count << a << b << c;
}
}
// Deferring write until this time allows both points and faces from multiple
// point views to be written.
void ModifiedPlyWriter::done(PointTableRef table)
{
for (auto& v : m_views)
{
PointRef point(*v, 0);
for (PointId idx = 0; idx < v->size(); ++idx)
{
point.setPointId(idx);
writePoint(point, table.layout());
}
}
if (m_faces)
{
PointId offset = 0;
for (auto& v : m_views)
{
TriangularMesh *mesh = v->mesh();
if (mesh)
{
for (size_t id = 0; id < mesh->size(); ++id)
{
const Triangle& t = (*mesh)[id];
writeTriangle(t, offset);
}
}
offset += v->size();
}
}
Utils::closeFile(m_stream);
m_stream = nullptr;
getMetadata().addList("filename", m_filename);
}
} // namespace pdal
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