protected virtual uint queueTasks(Profile profile, TaskManager task_man)
{
uint level = 0;
foreach (MapLayerLevelOfDetail i in map_layer.getLevels())
{
MapLayerLevelOfDetail level_def = i;
string s = level.ToString();
FilterEnv cell_env = getSession().createFilterEnv();
cell_env.setExtent(map_layer.getAreaOfInterest()); //GeoExtent.infinite() );
cell_env.setTerrainNode(getTerrainNode());
cell_env.setTerrainSRS(getTerrainSRS());
foreach (Property prop in level_def.getEnvProperties())
{
cell_env.setProperty(prop);
}
Task task = new CellCompiler(s,
s,
level_def.getFeatureLayer(),
level_def.getFilterGraph(),
level_def.getMinRange(),
level_def.getMaxRange(),
cell_env,
null, null, null);
task_man.queueTask(task);
}
return(level);
}
public SpatialReference getOutputSRS(Session session, SpatialReference terrain_srs)
{
if (!grid_valid || output_srs == null)
{
if (levels.Count > 0 && levels[0].getFilterGraph() != null)
{
FilterEnv env = session.createFilterEnv();
env.setTerrainSRS(terrain_srs);
FilterList filters = levels[0].getFilterGraph().getFilters();
for (int ind = filters.Count - 1; ind >= 0; ind--) //reverse iterator?
{
if (output_srs != null)
{
break;
}
Filter i = filters[ind];
if (i is TransformFilter)
{
TransformFilter xf = (TransformFilter)i;
if (xf.getUseTerrainSRS())
{
if (env.getTerrainSRS() != null)
{
this.output_srs = env.getTerrainSRS();
}
}
else if (xf.getSRS())
{
this.output_srs = (SpatialReference)(xf.getSRS());
}
else if (xf.getSRSScript())
{
ScriptResult r = env.getScriptEngine().run(xf.getSRSScript(), env);
if (r.isValid())
{
this.output_srs = session.getResources().getSRS(r.asString());
}
else
{
env.getReport().error(r.asString());
}
}
}
}
if (output_srs == null) // no reproject..assume input srs
{
this.output_srs = levels[0].getFeatureLayer().getSRS();
}
}
}
return(output_srs);
}
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);
}
