81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_ECEF_H
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#define OSGEARTH_ECEF_H 1
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#include <osgEarth/Common>
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#include <osgEarth/SpatialReference>
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#include <osg/Matrix>
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namespace osgEarth { namespace Util
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{
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struct OSGEARTH_EXPORT ECEF
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{
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/**
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* Transforms a point into ECEF coordinates, localizes it with
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* the provided world2local matrix, and puts the result in "output".
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*/
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static bool transformAndLocalize(
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const osg::Vec3d& input,
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const SpatialReference* inputSRS,
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osg::Vec3d& output,
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const SpatialReference* outputSRS,
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const osg::Matrixd& world2local =osg::Matrixd() );
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/**
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* Transforms the points in "input" to ECEF coordinates, localizes them with
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* the provided world2local matrix, and puts the result in "output".
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*/
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static bool transformAndLocalize(
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const std::vector<osg::Vec3d>& input,
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const SpatialReference* inputSRS,
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osg::Vec3Array* output,
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const SpatialReference* outputSRS,
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const osg::Matrixd& world2local =osg::Matrixd() );
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/**
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* Transforms the points in "input" to ECEF coordinates, localizes them with
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* the provided world2local matrix, and puts the resulting verts in "out_verts"
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* and the resulting localized normals in "out_normals" (if "out_normals" is
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* non-NULL).
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*/
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static bool transformAndLocalize(
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const std::vector<osg::Vec3d>& input,
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const SpatialReference* inputSRS,
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osg::Vec3Array* out_verts,
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osg::Vec3Array* out_normals,
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const SpatialReference* outputSRS,
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const osg::Matrixd& world2local =osg::Matrixd() );
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/**
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* Transforms a point to ECEF, and at the same time returns a quaternion that
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* rotates the point into the local tangent place at that point.
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*/
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static bool transformAndGetRotationMatrix(
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const osg::Vec3d& input,
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const SpatialReference* inputSRS,
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osg::Vec3d& out_ecef_point,
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const SpatialReference* outputSRS,
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osg::Matrixd& out_rotation );
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};
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} }
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#endif // OSGEARTH_ECEF_H
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