346 lines
12 KiB
C++
Executable File
346 lines
12 KiB
C++
Executable File
// Copyright (c) 2017 Geometry Factory
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org).
|
|
// You can redistribute it and/or modify it under the terms of the GNU
|
|
// General Public License as published by the Free Software Foundation,
|
|
// either version 3 of the License, or (at your option) any later version.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
// SPDX-License-Identifier: GPL-3.0+
|
|
//
|
|
// Author(s) : Simon Giraudot
|
|
|
|
#ifndef CGAL_WRITE_LAS_POINTS_H
|
|
#define CGAL_WRITE_LAS_POINTS_H
|
|
|
|
#include <CGAL/license/Point_set_processing_3.h>
|
|
|
|
#include <CGAL/config.h>
|
|
#if defined(CGAL_CFG_NO_CPP0X_RVALUE_REFERENCE) || defined(CGAL_CFG_NO_CPP0X_VARIADIC_TEMPLATES)
|
|
#error CGAL LAS writer requires a C++11 compiler
|
|
#endif
|
|
|
|
#include <tuple>
|
|
|
|
#include <CGAL/property_map.h>
|
|
#include <CGAL/value_type_traits.h>
|
|
#include <CGAL/point_set_processing_assertions.h>
|
|
#include <CGAL/Kernel_traits.h>
|
|
|
|
#include <boost/version.hpp>
|
|
#include <boost/cstdint.hpp>
|
|
|
|
#ifdef BOOST_MSVC
|
|
# pragma warning(push)
|
|
# pragma warning(disable:4251) // DLL warning from LASlib
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
# pragma GCC diagnostic push
|
|
# pragma GCC diagnostic ignored "-Wstrict-aliasing"
|
|
#endif
|
|
|
|
#define USE_AS_DLL
|
|
#include <lasdefinitions.hpp>
|
|
#include <lasreader_las.hpp>
|
|
#include <laswriter_las.hpp>
|
|
#undef USE_AS_DLL
|
|
|
|
#ifdef __GNUC__
|
|
# pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
#ifdef BOOST_MSVC
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
|
|
namespace CGAL {
|
|
|
|
|
|
/**
|
|
\ingroup PkgPointSetProcessingIOLas
|
|
|
|
Generates a %LAS property handler to write 3D points.
|
|
|
|
\sa `write_las_points_with_properties()`
|
|
|
|
\tparam PointMap the property map used to store points.
|
|
*/
|
|
template <typename PointMap>
|
|
std::tuple<PointMap, LAS_property::X, LAS_property::Y, LAS_property::Z >
|
|
make_las_point_writer(PointMap point_map)
|
|
{
|
|
return std::make_tuple (point_map, LAS_property::X(), LAS_property::Y(), LAS_property::Z());
|
|
}
|
|
|
|
/// \cond SKIP_IN_MANUAL
|
|
|
|
namespace internal {
|
|
|
|
namespace LAS {
|
|
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::Intensity&)
|
|
{ r.set_intensity(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Return_number&)
|
|
{ r.set_return_number(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Number_of_returns&)
|
|
{ r.set_number_of_returns(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Scan_direction_flag&)
|
|
{ r.set_scan_direction_flag(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Edge_of_flight_line&)
|
|
{ r.set_edge_of_flight_line(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Classification&)
|
|
{ r.set_classification(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Synthetic_flag&)
|
|
{ r.set_synthetic_flag(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Keypoint_flag&)
|
|
{ r.set_keypoint_flag(v); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::Withheld_flag&)
|
|
{ r.set_withheld_flag(v); }
|
|
void output_value(LASpoint& r, const float& v, LAS_property::Scan_angle&)
|
|
{ r.set_scan_angle_rank(char(v)); }
|
|
void output_value(LASpoint& r, const unsigned char& v, LAS_property::User_data&)
|
|
{ r.set_user_data(v); }
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::Point_source_ID&)
|
|
{ r.set_point_source_ID(v); }
|
|
void output_value(LASpoint& r, const unsigned int& v, LAS_property::Deleted_flag&)
|
|
{ r.set_deleted_flag(v); }
|
|
void output_value(LASpoint& r, const double& v, LAS_property::GPS_time&)
|
|
{ r.set_gps_time(v); }
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::R&)
|
|
{ r.set_R(v); }
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::G&)
|
|
{ r.set_G(v); }
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::B&)
|
|
{ r.set_B(v); }
|
|
void output_value(LASpoint& r, const unsigned short& v, LAS_property::I&)
|
|
{ r.set_I(v); }
|
|
|
|
template <typename ForwardIterator>
|
|
void output_properties (LASpoint&,
|
|
ForwardIterator)
|
|
{
|
|
}
|
|
|
|
template <typename ForwardIterator,
|
|
typename PropertyMap,
|
|
typename T>
|
|
void output_properties (LASpoint& point,
|
|
ForwardIterator it,
|
|
std::pair<PropertyMap, T>&& current)
|
|
{
|
|
output_value (point, get(current.first, *it), current.second);
|
|
}
|
|
|
|
template <typename ForwardIterator,
|
|
typename PropertyMap,
|
|
typename T,
|
|
typename NextPropertyHandler,
|
|
typename ... PropertyHandler>
|
|
void output_properties (LASpoint& point,
|
|
ForwardIterator it,
|
|
std::pair<PropertyMap, T>&& current,
|
|
NextPropertyHandler&& next,
|
|
PropertyHandler&& ... properties)
|
|
{
|
|
output_value (point, get(current.first, *it), current.second);
|
|
output_properties (point, it, std::forward<NextPropertyHandler>(next),
|
|
std::forward<PropertyHandler>(properties)...);
|
|
}
|
|
|
|
} // namespace LAS
|
|
|
|
} // namespace internal
|
|
|
|
|
|
/// \endcond
|
|
|
|
|
|
/**
|
|
\ingroup PkgPointSetProcessingIOLas
|
|
Saves the range of `points` with properties to a
|
|
.las stream.
|
|
|
|
Properties are handled through a variadic list of property
|
|
handlers. A `PropertyHandle` is a `std::pair<PropertyMap,
|
|
LAS_property::Tag >` used to write a scalar value
|
|
`LAS_property::Tag::type` as a %LAS property (for example,
|
|
writing an `int` vairable as an `int` %LAS property). An exception
|
|
is used for points that are written using a `std::tuple` object.
|
|
|
|
See documentation of `read_las_points_with_properties()` for the
|
|
list of available `LAS_property::Tag` classes.
|
|
|
|
\sa `make_las_point_writer()`
|
|
|
|
\cgalRequiresCPP11
|
|
|
|
\tparam PointRange is a model of `ConstRange`. The value type of
|
|
its iterator is the key type of the named parameter `point_map`.
|
|
\tparam PointMap is a model of `ReadablePropertyMap` with a value_type = `CGAL::Point_3`.
|
|
\tparam PropertyHandler handlers to recover properties.
|
|
|
|
\return `true` on success.
|
|
*/
|
|
template <typename PointRange,
|
|
typename PointMap,
|
|
typename ... PropertyHandler>
|
|
bool write_las_points_with_properties (std::ostream& stream, ///< output stream.
|
|
const PointRange& points, ///< input point range.
|
|
std::tuple<PointMap,
|
|
LAS_property::X,
|
|
LAS_property::Y,
|
|
LAS_property::Z> point_property, ///< property handler for points
|
|
PropertyHandler&& ... properties) ///< parameter pack of property handlers
|
|
{
|
|
CGAL_point_set_processing_precondition(points.begin() != points.end());
|
|
|
|
if(!stream)
|
|
{
|
|
std::cerr << "Error: cannot open file" << std::endl;
|
|
return false;
|
|
}
|
|
|
|
CGAL::Bbox_3 bbox = CGAL::bbox_3
|
|
(boost::make_transform_iterator
|
|
(points.begin(), CGAL::Property_map_to_unary_function<PointMap>(std::get<0>(point_property))),
|
|
boost::make_transform_iterator
|
|
(points.end(), CGAL::Property_map_to_unary_function<PointMap>(std::get<0>(point_property))));
|
|
|
|
LASheader header;
|
|
header.x_scale_factor = 1e-9 * (bbox.xmax() - bbox.xmin());
|
|
header.y_scale_factor = 1e-9 * (bbox.ymax() - bbox.ymin());
|
|
header.z_scale_factor = 1e-9 * (bbox.zmax() - bbox.zmin());
|
|
header.x_offset = bbox.xmin();
|
|
header.y_offset = bbox.ymin();
|
|
header.z_offset = bbox.zmin();
|
|
header.point_data_format = 3;
|
|
header.point_data_record_length = 34;
|
|
|
|
LASpoint laspoint;
|
|
laspoint.init(&header, header.point_data_format, header.point_data_record_length, 0);
|
|
|
|
LASwriterLAS laswriter;
|
|
laswriter.open (stream, &header);
|
|
|
|
// Write positions + normals
|
|
for(typename PointRange::const_iterator it = points.begin(); it != points.end(); it++)
|
|
{
|
|
const typename PointMap::value_type& p = get(std::get<0>(point_property), *it);
|
|
laspoint.set_X ((unsigned int)((p.x() - header.x_offset) / header.x_scale_factor));
|
|
laspoint.set_Y ((unsigned int)((p.y() - header.y_offset) / header.y_scale_factor));
|
|
laspoint.set_Z ((unsigned int)((p.z() - header.z_offset) / header.z_scale_factor));
|
|
internal::LAS::output_properties (laspoint, it, std::forward<PropertyHandler>(properties)...);
|
|
|
|
laswriter.write_point (&laspoint);
|
|
laswriter.update_inventory(&laspoint);
|
|
}
|
|
|
|
laswriter.update_header(&header, TRUE);
|
|
|
|
laswriter.close();
|
|
|
|
return ! stream.fail();
|
|
}
|
|
|
|
/**
|
|
\ingroup PkgPointSetProcessingIOLas
|
|
Saves the range of `points` (positions only) to a
|
|
.las stream.
|
|
|
|
\tparam PointRange is a model of `ConstRange`. The value type of
|
|
its iterator is the key type of the named parameter `point_map`.
|
|
|
|
\param stream output stream.
|
|
\param points input point range.
|
|
\param np optional sequence of \ref psp_namedparameters "Named Parameters" among the ones listed below.
|
|
|
|
\cgalNamedParamsBegin
|
|
\cgalParamBegin{point_map} a model of `ReadablePropertyMap` with value type `geom_traits::Point_3`.
|
|
If this parameter is omitted, `CGAL::Identity_property_map<geom_traits::Point_3>` is used.\cgalParamEnd
|
|
\cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `Kernel`\cgalParamEnd
|
|
\cgalNamedParamsEnd
|
|
|
|
\return true on success.
|
|
\cgalRequiresCPP11
|
|
*/
|
|
template < typename PointRange,
|
|
typename NamedParameters>
|
|
bool
|
|
write_las_points(
|
|
std::ostream& stream,
|
|
const PointRange& points,
|
|
const NamedParameters& np)
|
|
{
|
|
using boost::choose_param;
|
|
|
|
typedef typename Point_set_processing_3::GetPointMap<PointRange, NamedParameters>::type PointMap;
|
|
PointMap point_map = choose_param(get_param(np, internal_np::point_map), PointMap());
|
|
|
|
return write_las_points_with_properties (stream, points, make_las_point_writer(point_map));
|
|
}
|
|
|
|
/// \cond SKIP_IN_MANUAL
|
|
// variant with default NP
|
|
template < typename PointRange>
|
|
bool
|
|
write_las_points(
|
|
std::ostream& stream,
|
|
const PointRange& points)
|
|
{
|
|
return write_las_points
|
|
(stream, points, CGAL::Point_set_processing_3::parameters::all_default(points));
|
|
}
|
|
|
|
#ifndef CGAL_NO_DEPRECATED_CODE
|
|
// deprecated API
|
|
template < typename ForwardIterator,
|
|
typename PointMap >
|
|
CGAL_DEPRECATED_MSG("you are using the deprecated V1 API of CGAL::write_las_points(), please update your code")
|
|
bool
|
|
write_las_points(
|
|
std::ostream& stream, ///< output stream.
|
|
ForwardIterator first, ///< first input point.
|
|
ForwardIterator beyond, ///< past-the-end input point.
|
|
PointMap point_map) ///< property map: value_type of OutputIterator -> Point_3.
|
|
{
|
|
CGAL::Iterator_range<ForwardIterator> points (first, beyond);
|
|
return write_las_points
|
|
(stream, points,
|
|
CGAL::parameters::point_map(point_map));
|
|
}
|
|
|
|
// deprecated API
|
|
template < typename ForwardIterator >
|
|
CGAL_DEPRECATED_MSG("you are using the deprecated V1 API of CGAL::write_las_points(), please update your code")
|
|
bool
|
|
write_las_points(
|
|
std::ostream& stream, ///< output stream.
|
|
ForwardIterator first, ///< first input point.
|
|
ForwardIterator beyond) ///< past-the-end input point.
|
|
{
|
|
CGAL::Iterator_range<ForwardIterator> points (first, beyond);
|
|
return write_las_points
|
|
(stream, points);
|
|
}
|
|
#endif // CGAL_NO_DEPRECATED_CODE
|
|
/// \endcond
|
|
|
|
|
|
} //namespace CGAL
|
|
|
|
#endif // CGAL_WRITE_LAS_POINTS_H
|