fix #4414

src/netbuild/NBNetBuilder.cpp

@@ -627,6 +627,7 @@ NBNetBuilder::transformCoordinate(Position& from, bool includeInBoundary, GeoCon
     bool ok = true;
     if (GeoConvHelper::getNumLoaded() > 1 
             && GeoConvHelper::getLoaded().usingGeoProjection() 
+            && from_srs != 0
             && from_srs->usingGeoProjection()
             && *from_srs != GeoConvHelper::getLoaded()) {
         from_srs->cartesian2geo(from);

src/netimport/NIImporter_OpenDrive.cpp

@@ -90,6 +90,7 @@ StringBijection<int>::Entry NIImporter_OpenDrive::openDriveTags[] = {
     { "width",            NIImporter_OpenDrive::OPENDRIVE_TAG_WIDTH },
     { "speed",            NIImporter_OpenDrive::OPENDRIVE_TAG_SPEED },
     { "elevation",        NIImporter_OpenDrive::OPENDRIVE_TAG_ELEVATION },
+    { "geoReference",     NIImporter_OpenDrive::OPENDRIVE_TAG_GEOREFERENCE },
 
     { "",                 NIImporter_OpenDrive::OPENDRIVE_TAG_NOTHING }
 };
@@ -1761,6 +1762,32 @@ NIImporter_OpenDrive::myStartElement(int element,
 }
 
 
+void NIImporter_OpenDrive::characters(const XMLCh* const chars,
+                               const XERCES3_SIZE_t length) {
+    if (myElementStack.size() > 0 && myElementStack.back() == OPENDRIVE_TAG_GEOREFERENCE) {
+        std::string cdata = TplConvert::_2str(chars, (int)length);
+        int startI = cdata.find("+proj");
+        if (startI != std::string::npos) {
+            std::string proj = cdata.substr(startI);
+            GeoConvHelper* result = 0;
+            Boundary convBoundary;
+            Boundary origBoundary;
+            Position networkOffset(0, 0);
+            // XXX read values from the header
+            convBoundary.add(Position(0,0));
+            origBoundary.add(Position(0,0));
+            try {
+                result = new GeoConvHelper(proj, networkOffset, origBoundary, convBoundary);
+                GeoConvHelper::setLoaded(*result);
+            } catch (ProcessError& e) {
+                WRITE_ERROR("Could not set projection. (" + std::string(e.what()) + ")");
+            }
+        }
+    }
+}
+
+
+
 void
 NIImporter_OpenDrive::myEndElement(int element) {
     myElementStack.pop_back();

src/netimport/NIImporter_OpenDrive.h

@@ -104,7 +104,8 @@ class NIImporter_OpenDrive : public GenericSAXHandler {
         OPENDRIVE_TAG_LANELINK,
         OPENDRIVE_TAG_WIDTH,
         OPENDRIVE_TAG_SPEED,
-        OPENDRIVE_TAG_ELEVATION
+        OPENDRIVE_TAG_ELEVATION,
+        OPENDRIVE_TAG_GEOREFERENCE
     };
 
 
@@ -498,6 +499,15 @@ class NIImporter_OpenDrive : public GenericSAXHandler {
      */
     void myStartElement(int element, const SUMOSAXAttributes& attrs);
 
+    /** @brief Called on the occurence of character data
+     *
+     * If this occurs inside a single tag it sets the option named
+     *  by the tag to the value given by the character data.
+     *  This is considered deprecated in favor of attributes.
+     * @todo Describe better
+     */
+    void characters(const XMLCh* const chars, const XERCES3_SIZE_t length);
+
 
     /** @brief Called when a closing tag occurs
      *