Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  OpenGIS Simple Features for OpenDRIVE
       4             :  * Purpose:  Implementation of OGRXODRLayer.
       5             :  * Author:   Michael Scholz, German Aerospace Center (DLR)
       6             :  *           Gülsen Bardak, German Aerospace Center (DLR)
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright 2024 German Aerospace Center (DLR), Institute of Transportation Systems
      10             :  *
      11             :  * SPDX-License-Identifier: MIT
      12             :  ****************************************************************************/
      13             : 
      14             : #include "ogr_api.h"
      15             : #include "ogr_geometry.h"
      16             : #include "ogr_xodr.h"
      17             : 
      18             : #include "cpl_error.h"
      19             : #include <cmath>
      20             : #include <iostream>
      21             : #include <memory>
      22             : #include <string>
      23             : #include <typeinfo>
      24             : 
      25          39 : OGRXODRLayer::OGRXODRLayer(const RoadElements &xodrRoadElements,
      26          39 :                            const std::string &proj4Defn)
      27          39 :     : OGRXODRLayer(xodrRoadElements, proj4Defn, false)
      28             : {
      29          39 : }
      30             : 
      31          78 : OGRXODRLayer::OGRXODRLayer(const RoadElements &xodrRoadElements,
      32             :                            const std::string &proj4Defn,
      33          78 :                            const bool dissolveTriangulatedSurface)
      34             :     : m_roadElements(xodrRoadElements),
      35          78 :       m_bDissolveTIN(dissolveTriangulatedSurface)
      36             : {
      37          78 :     if (!proj4Defn.empty())
      38             :     {
      39          72 :         m_oSRS.importFromProj4(proj4Defn.c_str());
      40             :     }
      41          78 :     resetRoadElementIterators();
      42          78 : }
      43             : 
      44         714 : void OGRXODRLayer::ResetReading()
      45             : {
      46         714 :     m_nNextFID = 0;
      47         714 :     resetRoadElementIterators();
      48         714 : }
      49             : 
      50         792 : void OGRXODRLayer::resetRoadElementIterators()
      51             : {
      52         792 :     m_roadIter = m_roadElements.roads.begin();
      53         792 :     m_referenceLineIter = m_roadElements.referenceLines.begin();
      54             : 
      55         792 :     m_laneIter = m_roadElements.lanes.begin();
      56         792 :     m_laneSectionIter = m_roadElements.laneSections.begin();
      57         792 :     m_laneRoadIDIter = m_roadElements.laneRoadIDs.begin();
      58         792 :     m_laneMeshIter = m_roadElements.laneMeshes.begin();
      59             : 
      60         792 :     m_laneLinesInnerIter = m_roadElements.laneLinesInner.begin();
      61         792 :     m_laneLinesOuterIter = m_roadElements.laneLinesOuter.begin();
      62             : 
      63         792 :     m_roadMarkIter = m_roadElements.roadMarks.begin();
      64         792 :     m_roadMarkMeshIter = m_roadElements.roadMarkMeshes.begin();
      65             : 
      66         792 :     m_roadObjectIter = m_roadElements.roadObjects.begin();
      67         792 :     m_roadObjectMeshesIter = m_roadElements.roadObjectMeshes.begin();
      68             : 
      69         792 :     m_roadSignalIter = m_roadElements.roadSignals.begin();
      70         792 :     m_roadSignalMeshesIter = m_roadElements.roadSignalMeshes.begin();
      71         792 : }
      72             : 
      73             : std::unique_ptr<OGRTriangulatedSurface>
      74       33682 : OGRXODRLayer::triangulateSurface(const odr::Mesh3D &mesh)
      75             : {
      76       67364 :     std::vector<odr::Vec3D> meshVertices = mesh.vertices;
      77       67364 :     std::vector<uint32_t> meshIndices = mesh.indices;
      78             : 
      79       33682 :     auto tin = std::make_unique<OGRTriangulatedSurface>();
      80       33682 :     const size_t numIndices = meshIndices.size();
      81             :     // Build triangles from mesh vertices.
      82             :     // Each triple of mesh indices defines which vertices form a triangle.
      83     1310650 :     for (std::size_t idx = 0; idx < numIndices; idx += 3)
      84             :     {
      85     1276970 :         uint32_t vertexIdx = meshIndices[idx];
      86     1276970 :         odr::Vec3D vertexP = meshVertices[vertexIdx];
      87     2553930 :         OGRPoint p(vertexP[0], vertexP[1], vertexP[2]);
      88             : 
      89     1276970 :         vertexIdx = meshIndices[idx + 1];
      90     1276970 :         odr::Vec3D vertexQ = meshVertices[vertexIdx];
      91     2553930 :         OGRPoint q(vertexQ[0], vertexQ[1], vertexQ[2]);
      92             : 
      93     1276970 :         vertexIdx = meshIndices[idx + 2];
      94     1276970 :         odr::Vec3D vertexR = meshVertices[vertexIdx];
      95     2553930 :         OGRPoint r(vertexR[0], vertexR[1], vertexR[2]);
      96             : 
      97     2553930 :         OGRTriangle triangle(p, q, r);
      98     1276970 :         tin->addGeometry(&triangle);
      99             :     }
     100             : 
     101       67364 :     return tin;
     102             : }