Changeset 257 for experimental

Timestamp:

Feb 22, 2011, 10:52:00 PM (14 years ago)

Author:

Torben Dannhauer

Message:

 

File:

• experimental/TerrainTest/ModificationVisitor.cpp (modified) (1 diff)

experimental/TerrainTest/ModificationVisitor.cpp

@@ -43 +43 @@
 void ModificationVisitor::modifyTile(osgTerrain::TerrainTile* tile)
 {
-        OSG_NOTIFY( osg::ALWAYS ) << "ModificationVisitor::modifyTile()" << std::endl;
-        OpenThreads::Thread::microSleep( 500000 );
-
+        //OSG_NOTIFY( osg::ALWAYS ) << "ModificationVisitor::modifyTile()" << std::endl;
         HeightFieldLayer* hfl = dynamic_cast<HeightFieldLayer*>(tile->getElevationLayer());
         osg::HeightField* h = hfl->getHeightField();
-        OSG_NOTIFY( osg::ALWAYS ) << "Origin: " << h->getOrigin()[0] <<" | "<<h->getOrigin()[1]<<" | "<<h->getOrigin()[2] << std::endl;
-        OSG_NOTIFY( osg::ALWAYS ) << "X-Intervall: " << h->getXInterval() << std::endl;
-        OSG_NOTIFY( osg::ALWAYS ) << "Y-Intervall: " << h->getYInterval() << std::endl;
+
+        // ROI to flatten
+        double dest_lat_min = 48.336808;
+        double dest_lat_max = 48.370467;
+        double dest_lon_min = 11.736750;
+        double dest_lon_max = 11.835322;
+
+        // Determine extend of the tile.
+        int rows = h->getNumRows();
+        int cols = h->getNumColumns();
+        double lat_min = h->getOrigin()[1];
+        double lat_max = lat_min + rows * h->getYInterval();
+        double lon_min = h->getOrigin()[0];
+        double lon_max = lon_min + cols * h->getXInterval();
+
+        // Check if tile is fully or partially inside ROI:
+        if(lat_max>dest_lat_min && lat_min<dest_lat_max                 // lat inside ROI
+                && lon_max>dest_lon_min && lon_min<dest_lon_max )       // lon inside ROI
+        {
+                OSG_NOTIFY( osg::ALWAYS ) << "ModificationVisitor::modifyTile() :: affected Tile" << std::endl;
+                OSG_NOTIFY( osg::ALWAYS ) << "LAT: " << lat_min << " | " << lat_max << std::endl;
+                OSG_NOTIFY( osg::ALWAYS ) << "LON: " << lon_min << " | " << lon_max << std::endl;
 
 
-        // Determine if tile touches ROI
+                // calculate colum start/end and row start/end of affected vertices
+                int startX=0,startY=0,endX=cols,endY=rows;
 
-        // calculate colum start/end and row start/end of affected vertices
 
-        // modify height value of affected vertices
+                // modify height value of affected vertices
+                h->setHeight( 0,0, 600);
+
+        }
+
+
+
+
+
+
+
+        //OSG_NOTIFY( osg::ALWAYS ) << "Origin: " << h->getOrigin()[0] << " | " << h->getOrigin()[1] << std::endl;
+        //OSG_NOTIFY( osg::ALWAYS ) << "X-Intervall: " << h->getXInterval() << std::endl;
+        //OSG_NOTIFY( osg::ALWAYS ) << "Y-Intervall: " << h->getYInterval() << std::endl;
+        //if(dest_lat_min<=lat_min && lat_max<=dest_lat_max && dest_lon_min<=lon_min && lon_max<=dest_lon_max)
+        //{
+        //      OSG_NOTIFY( osg::ALWAYS ) << "ModificationVisitor::modifyTile() :: affected Tile" << std::endl;
+        //      OSG_NOTIFY( osg::ALWAYS ) << "LAT: " << lat_min << " | " << lat_max << std::endl;
+        //      OSG_NOTIFY( osg::ALWAYS ) << "LON: " << lon_min << " | " << lon_max << std::endl;
+
+        //      h->setHeight( 0,0, 1000);
+        //}
+        //OpenThreads::Thread::microSleep( 50000 );
 }