public ResourcePackager clone()
{
ResourcePackager copy = new ResourcePackager();
copy.setArchive(archive.get());
copy.setOutputLocation(output_location);
copy.setCompressTextures(compress_textures);
copy.setMaxTextureSize(max_tex_size);
copy.setInlineTextures(inline_textures);
copy.setFixMipmaps(fix_mipmaps);
return copy;
}
public ResourcePackager clone()
{
ResourcePackager copy = new ResourcePackager();
copy.setArchive(archive.get());
copy.setOutputLocation(output_location);
copy.setCompressTextures(compress_textures);
copy.setMaxTextureSize(max_tex_size);
copy.setInlineTextures(inline_textures);
copy.setFixMipmaps(fix_mipmaps);
return(copy);
}
/**
* Assigns an optional resource packager to the compiler. The resource packager will
* prepare referenced resources (like texture skins and external models) and copy them
* to the output location.
*
* @param packager
* Packager to use with this compiler.
*/
public void setResourcePackager(ResourcePackager value)
{
resource_packager = value;
}
/**
* Pushes source data onto the level of detail queue. Levels of detail are
* interpreted from front to back.
*
* @param layer
* Feature layer from which to read source data
* @param graph
* Filter graph to use to build scene graph
* @param min_range
* Minimum visibility range of this level of detail
* @param max_range
* Maximum visibility range of this level of detail
* @param replace
* If true, this detail level will replace the ones before it. If false, it
* will join the scene graph without removing the previous levels.
* @param depth
* Level of detail depth (0 = top level)
* @param user_data
* User-defined data to pass to the cell compiler
*/
public void push(FeatureLayer layer,
FilterGraph graph,
Properties env_props,
ResourcePackager packager,
float min_range,
float max_range,
bool replace,
uint depth,
object user_data)
{
if (layer != null)
{
// update the automatic AOI:
if (!aoi_auto.isValid())
aoi_auto = layer.getExtent();
else
aoi_auto.expandToInclude(layer.getExtent());
// store the LOD definition:
levels.Add(new MapLayerLevelOfDetail(
layer, graph, env_props, packager, min_range, max_range, replace, depth, user_data));
grid_valid = false;
}
}
/*** Class methods ***************************************************/
bool Builder.addSlicesToMapLayer(BuildLayerSliceList slices,
Properties env_properties,
MapLayer map_layer,
ResourcePackager default_packager,
uint depth,
Session session,
Source parent_source)
{
foreach (BuildLayerSlice i in slices)
{
BuildLayerSlice slice = i;
if (slice.getSource() != null && !build(slice.getSource(), session))
{
// osgGIS.warn()
// << "Unable to build source \"" << slice.getSource().getName() << "\" or one of its dependencies."
// << std.endl;
return false;
}
Source slice_source = slice.getSource() != null ? slice.getSource() : parent_source;
ResourcePackager packager = default_packager ? default_packager.clone() : null;
if (packager != null)
{
packager.setMaxTextureSize(
slice.getProperties().getIntValue("max_texture_size", default_packager.getMaxTextureSize()));
packager.setCompressTextures(
slice.getProperties().getBoolValue("compress_textures", default_packager.getCompressTextures()));
packager.setInlineTextures(
slice.getProperties().getBoolValue("inline_textures", default_packager.getInlineTextures()));
}
if (slice_source != null)
{
FeatureLayer feature_layer = Registry.instance().createFeatureLayer(
slice_source.getAbsoluteURI());
if (feature_layer == null)
{
//osgGIS.warn() << "Cannot access source \"" << slice_source.getName() << std.endl;
return false;
}
map_layer.push(
feature_layer,
slice.getFilterGraph(),
env_properties,
packager.get(),
slice.getMinRange(),
slice.getMaxRange(),
true,
depth,
null);
}
// now add any sub-slice children:
if (!addSlicesToMapLayer(slice.getSubSlices(), env_properties, map_layer, packager.get(), depth + 1, session, slice_source))
{
return false;
}
}
return true;
}
private bool addSlicesToMapLayer(
BuildLayerSliceList slices,
Properties env_props,
MapLayer map_layer,
ResourcePackager default_packager,
uint lod,
Session session,
Source source);
protected bool build(BuildLayer layer)
{
string work_dir_name = project.getAbsoluteWorkingDirectory();
if ( string.IsNullOrEmpty(work_dir_name) )
work_dir_name = "work_" + project.getName();
string work_dir = PathUtils.combinePaths(
project.getBaseURI(),
work_dir_name );
if ( osgDB.makeDirectory( work_dir ) )
{
Registry.instance().setWorkDirectory( work_dir );
}
//osgGIS.notice() << "Building layer \"" << layer.getName() << "\"." << std.endl;
// first create and initialize a Session that will share data across the build.
Session session = new Session();
// add shared scripts to the session:
foreach( Script i in project.getScripts())
session.addScript( i );
// add shared resources to the session:
foreach( Resource i in project.getResources() )
session.getResources().addResource( i );
// now establish the source data record form this layer and open a feature layer
// that connects to that source.
Source source = layer.getSource(); // default source.. may be overriden in slices
//if ( !source )
//{
// //TODO: log error
// osgGIS.notify( osg.WARN )
// << "No source specified for layer \"" << layer.getName() << "\"." << std.endl;
// return false;
//}
// recursively build any sources that need building.
if ( source && !build( source, session.get() ) )
{
// osgGIS.warn()
// << "Unable to build source \"" << source.getName() << "\" or one of its dependencies."
// << std.endl;
return false;
}
FeatureLayer feature_layer;
if ( source != null)
{
feature_layer = Registry.instance().createFeatureLayer( source.getAbsoluteURI() );
if ( feature_layer == null )
{
//TODO: log error
//osgGIS.warn()
// << "Cannot access source \"" << source.getName()
// << "\" for layer \"" << layer.getName() << "\"." << std.endl;
return false;
}
}
// The reference terrain:
osg.Node terrain_node;
SpatialReference terrain_srs;
GeoExtent terrain_extent;
Terrain terrain = layer.getTerrain();
if ( !getTerrainData( terrain, terrain_node, terrain_srs, terrain_extent ) )
return false;
// output file:
string output_file = layer.getAbsoluteTargetPath();
osgDB.makeDirectoryForFile( output_file );
if ( !osgDB.fileExists( osgDB.getFilePath( output_file ) ) )
{
//osgGIS.warn()
// << "Unable to establish target location for layer \""
// << layer.getName() << "\" at \"" << output_file << "\"."
// << std.endl;
return false;
}
// whether to include textures in IVE files:
bool inline_ive_textures = layer.getProperties().getBoolValue( "inline_textures", false );
// TODO: deprecate this as we move towards the ResourcePackager...
osgDB.ReaderWriter.Options options;
if ( inline_ive_textures )
{
options = new osgDB.ReaderWriter.Options( "noWriteExternalReferenceFiles useOriginalExternalReferences" );
}
else
{
options = new osgDB.ReaderWriter.Options( "noTexturesInIVEFile noWriteExternalReferenceFiles useOriginalExternalReferences" );
}
osgDB.Registry.instance().setOptions( options );
osgDB.Archive archive;
string archive_file = output_file;
if ( osgDB.getLowerCaseFileExtension( output_file ) == "osga" )
{
archive = osgDB.openArchive( output_file, osgDB.Archive.CREATE, 4096 );
output_file = "out.ive";
// since there's no way to set the master file name...fake it out
osg.Group dummy = new osg.Group();
archive.writeNode( dummy , output_file );
}
// intialize a task manager if necessary:
TaskManager manager =
num_threads > 1? new TaskManager( num_threads ) :
num_threads < 1? new TaskManager() :
null;
// prep the map layer definition:
MapLayer map_layer = new MapLayer();
// a resource packager if necessary will copy ext-ref files to the output location:
ResourcePackager packager = new ResourcePackager();
packager.setArchive( archive.get() );
packager.setOutputLocation( osgDB.getFilePath( output_file ) );
if ( layer.getProperties().getBoolValue( "localize_resources", false ) )
{
packager.setMaxTextureSize( layer.getProperties().getIntValue( "max_texture_size", 0 ) );
packager.setCompressTextures( layer.getProperties().getBoolValue( "compress_textures", false ) );
packager.setInlineTextures( layer.getProperties().getBoolValue( "inline_textures", false ) );
}
if ( !addSlicesToMapLayer( layer.getSlices(), layer.getEnvProperties(), map_layer, packager, 0, session, source ) )
{
//osgGIS.warn() << "Failed to add all slices to layer " << layer.getName() << std.endl;
return false;
}
// calculate the grid cell size:
double col_size = layer.getProperties().getDoubleValue( "col_size", -1.0 );
double row_size = layer.getProperties().getDoubleValue( "row_size", -1.0 );
if ( col_size <= 0.0 || row_size <= 0.0 )
{
int num_cols = Math.Max( 1, layer.getProperties().getIntValue( "num_cols", 1 ) );
int num_rows = Math.Max(1, layer.getProperties().getIntValue("num_rows", 1));
col_size = map_layer.getAreaOfInterest().getWidth() / (double)num_cols;
row_size = map_layer.getAreaOfInterest().getHeight() / (double)num_rows;
}
map_layer.setCellWidth( col_size );
map_layer.setCellHeight( row_size );
map_layer.setEncodeCellRadius( layer.getProperties().getBoolValue( "encode_cell_radius", true ) );
MapLayerCompiler compiler;
// figure out which compiler to use:
if ( layer.getType() == BuildLayer.LayerType.TYPE_QUADTREE )
{
compiler = new QuadTreeMapLayerCompiler( map_layer, session );
}
else if (layer.getType() == BuildLayer.LayerType.TYPE_GRIDDED)
{
compiler = new GriddedMapLayerCompiler( map_layer.get(), session. );
}
else if (layer.getType() == BuildLayer.LayerType.TYPE_SIMPLE)
{
compiler = new SimpleMapLayerCompiler( map_layer, session );
}
if ( compiler.get() )
{
compiler.setAbsoluteOutputURI( output_file );
compiler.setPaged( layer.getProperties().getBoolValue( "paged", true ) );
compiler.setTerrain( terrain_node.get(), terrain_srs, terrain_extent );
compiler.setArchive( archive.get(), archive_file );
compiler.setResourcePackager( packager.get() );
// build the layer and write the root file to output:
osg.Group result = compiler.compile( manager.get() );
if ( result != null )
{
packager.packageNode( result.get(), output_file );
}
}
if ( archive != null )
{
archive.close();
}
//osgGIS.notice() << "Done building layer \"" << layer.getName() << "\"." << std.endl;
return true;
}
