protected Task createQuadKeyTask(QuadKey key)
{
// construct a filter environment template to use for all tasks:
FilterEnv cell_env = getSession().createFilterEnv();
cell_env.setTerrainNode(getTerrainNode());
cell_env.setTerrainSRS(getTerrainSRS());
string abs_path = createAbsPathFromTemplate("g" + key.toString());
Task task = null;
MapLayerLevelOfDetail def = getDefinition(key.createParentKey(), map_layer);
if (def != null)
{
cell_env.setInputSRS(def.getFeatureLayer().getSRS());
cell_env.setExtent(map_layer.getAreaOfInterest().getSRS().transform(key.getExtent()));
cell_env.setProperty(new Property("compiler.cell_id", key.toString()));
foreach (Property i in def.getEnvProperties())
{
cell_env.setProperty(i);
}
task = new CellCompiler(
key.toString(),
abs_path,
def.getFeatureLayer(),
def.getFilterGraph(),
def.getMinRange(),
def.getMaxRange(),
cell_env,
def.getResourcePackager() ? def.getResourcePackager() : resource_packager.get(),
getArchive(),
def.getUserData());
// osgGIS.info()
// << "Task: Key = " << key.toString() << ", LOD = " << key.getLOD() << ", Extent = " << key.getExtent().toString()
// << " (w=" << key.getExtent().getWidth() << ", h=" << key.getExtent().getHeight() << ")"
// << std.endl;
}
return(task);
}
protected osg.Node createLeafIndexNode(QuadKey key, SmartReadCallback cb)
{
osg.Group group = null;
for (uint i = 0; i < 4; i++)
{
QuadKey quadrant_key = key.createSubKey(i);
if (osgDB.fileExists(createAbsPathFromTemplate("g" + quadrant_key.toString())))
{
if (!group)
{
group = new osg.Group();
group.setName(key.toString());
}
#if USE_PAGEDLODS_IN_INDEX
osg.PagedLOD *pointer = new osg.PagedLOD();
pointer.setFileName(0, createRelPathFromTemplate("g" + quadrant_key.toString()));
pointer.setRange(0, 0, 1e10);
pointer.setPriorityScale(0, 1000.0f); // top priority!
pointer.setPriorityOffset(0, 1000.0f);
setCenterAndRadius(pointer, quadrant_key.getExtent(), reader);
#else
osg.ProxyNode pointer = new osg.ProxyNode();
pointer.setLoadingExternalReferenceMode(osg.ProxyNode.LOAD_IMMEDIATELY);
pointer.setFileName(0, createRelPathFromTemplate("g" + quadrant_key.toString()));
//setCenterAndRadius( pointer, quadrant_key.getExtent(), reader );
#endif
group.addChild(pointer);
}
}
return(group);
}
protected osg.Node createIntermediateIndexNode(QuadKey key, float min_range, float max_range, SmartReadCallback cb)
{
osg.Group group = null;
for (uint quadrant = 0; quadrant < 4; quadrant++)
{
QuadKey subkey = key.createSubKey(quadrant);
if (osgDB.fileExists(createAbsPathFromTemplate("g" + subkey.toString())))
{
if (!group)
{
group = new osg.Group();
group.setName(key.toString());
}
//osgGIS.notice() << "QK=" << subkey.toString() << ", Extent=" << subkey.getExtent().toString() << std.endl;
// enter the subtile set as a paged index node reference:
osg.PagedLOD plod = new osg.PagedLOD();
setCenterAndRadius(plod, subkey.getExtent(), reader);
#if USE_PAGEDLODS_IN_INDEX
osg.PagedLOD *pointer = new osg.PagedLOD();
pointer.setFileName(0, createRelPathFromTemplate("g" + subkey.toString()));
pointer.setRange(0, 0, 1e10);
pointer.setPriorityScale(0, 1000.0f); // top priority, hopefully
pointer.setPriorityOffset(0, 1000.0f);
pointer.setCenter(plod.getCenter());
pointer.setRadius(plod.getRadius());
#else
osg.ProxyNode pointer = new osg.ProxyNode();
pointer.setLoadingExternalReferenceMode(osg.ProxyNode.LOAD_IMMEDIATELY);
pointer.setFileName(0, createRelPathFromTemplate("g" + subkey.toString()));
//setCenterAndRadius( pointer, subkey.getExtent(), reader );
#endif
plod.addChild(pointer, max_range, 1e10);
plod.setFileName(1, createRelPathFromTemplate("i" + subkey.toString()));
plod.setRange(1, 0, max_range); // last one should always be min=0
plod.setPriorityScale(1, MY_PRIORITY_SCALE);
group.addChild(plod);
//osg.Geode* geode = new osg.Geode();
//osg.Sphere* g1 = new osg.Sphere( osg.Vec3(0,0,0), plod.getRadius() );
//osg.ShapeDrawable* sd1 = new osg.ShapeDrawable( g1 );
//sd1.setColor( osg.Vec4f(1,0,0,.2) );
//geode.addDrawable( sd1 );
////osg.Vec3d p = terrain_srs.transform( subkey.getExtent().getCentroid() );
////osg.Vec3d n = p; n.normalize();
////osg.Geometry* g3 = new osg.Geometry();
////osg.Vec3Array* v3 = new osg.Vec3Array(2);
////(*v3)[0] = osg.Vec3d(0,0,0);
////(*v3)[1] = n * 3000.0;
////g3.setVertexArray( v3 );
////osg.Vec4Array* c3 = new osg.Vec4Array(1);
////(*c3)[0].set(1,1,0,1);
////g3.setColorArray( c3 );
////g3.setColorBinding(osg.Geometry.BIND_OVERALL);
////g3.addPrimitiveSet( new osg.DrawArrays(GL_LINES, 0, 2) );
////g3.getOrCreateStateSet().setMode( GL_LIGHTING, osg.StateAttribute.OFF );
////geode.addDrawable( g3 );
////osg.Sphere* g2 = new osg.Sphere( osg.Vec3(0,0,0), 25 );
////osg.ShapeDrawable* sd2 = new osg.ShapeDrawable( g2 );
////sd2.setColor( osg.Vec4f(1,1,0,1) );
////geode.addDrawable( sd2 );
////osg.Matrixd mx = osg.Matrixd.translate( p );
//osg.Matrixd mx = osg.Matrixd.translate( plod.getCenter() );
//osg.MatrixTransform* mt = new osg.MatrixTransform( mx );
//mt.addChild( geode );
//mt.getOrCreateStateSet().setMode( GL_BLEND, osg.StateAttribute.ON );
//mt.getOrCreateStateSet().setRenderingHint( osg.StateSet.TRANSPARENT_BIN );
//group.addChild( mt );
}
}
return(group);
}
protected virtual void buildIndex(Profile _profile, osg.Group scene_graph)
{
QuadTreeProfile profile = (QuadTreeProfile)_profile;
if (profile == null)
{
return;
}
//osgGIS.notice() << "Rebuilding index..." << std.endl;
// first, determine the SRS of the output scene graph so that we can
// make pagedlod/lod centroids.
SpatialReference output_srs = map_layer.getOutputSRS(getSession(), getTerrainSRS());
// first build the very top level.
//scene_graph = new osg.Group();
// the starting LOD is the best fit the the cell size:
uint top_lod = getTopLod(profile.getQuadMap(), map_layer);
SmartReadCallback reader = new SmartReadCallback();
foreach (MapLayerLevelOfDetail i in map_layer.getLevels())
{
MapLayerLevelOfDetail level_def = i;
uint lod = top_lod + level_def.getDepth();
MapLayerLevelOfDetail sub_level_def = i + 1 != map_layer.getLevels().end() ? (i + 1).get() : null;
float min_range, max_range;
if (sub_level_def != null)
{
min_range = sub_level_def.getMinRange();
max_range = sub_level_def.getMaxRange();
}
// get the extent of tiles that we will build based on the AOI:
uint cell_xmin, cell_ymin, cell_xmax, cell_ymax;
profile.getQuadMap().getCells(
map_layer.getAreaOfInterest(), lod,
cell_xmin, cell_ymin, cell_xmax, cell_ymax);
for (uint y = cell_ymin; y <= cell_ymax; y++)
{
for (uint x = cell_xmin; x <= cell_xmax; x++)
{
osg.Node node;
QuadKey key = new QuadKey(x, y, lod, profile.getQuadMap());
//osgGIS.notify( osg.NOTICE )
// << "Cell: " << std.endl
// << " Quadkey = " << key.toString() << std.endl
// << " LOD = " << key.getLOD() << std.endl
// << " Extent = " << key.getExtent().toString() << " (w=" << key.getExtent().getWidth() << ", h=" << key.getExtent().getHeight() << ")" << std.endl
// << std.endl;
node = sub_level_def ?
createIntermediateIndexNode(key, min_range, max_range, reader.get()) :
createLeafIndexNode(key, reader);
if (node.valid())
{
string out_file = createAbsPathFromTemplate("i" + key.toString());
if (!osgDB.writeNodeFile(*(node.get()), out_file))
{
// osgGIS.warn() << "FAILED to write index file " << out_file << std.endl;
}
// at the top level, assemble the root node
if (i == map_layer.getLevels().begin())
{
double top_min_range = sub_level_def != null ? 0 : level_def.getMinRange();
osg.PagedLOD plod = new osg.PagedLOD();
plod.setName(key.toString());
plod.setFileName(0, createRelPathFromTemplate("i" + key.toString()));
plod.setRange(0, top_min_range, level_def.getMaxRange());
plod.setPriorityScale(0, MY_PRIORITY_SCALE);
setCenterAndRadius(plod, key.getExtent(), reader.get());
//osgGIS.notice() << "QK=" << key.toString() << ", Ex=" << key.getExtent().toString() << ", Cen=" << key.getExtent().getCentroid().toString() << std.endl;
scene_graph.addChild(plod);
}
}
}
}
}
}