static BuildLayerSlice decodeSlice(XmlElement e, Project proj)
{
BuildLayerSlice slice = null;
if (e != null)
{
slice = new BuildLayerSlice();
if (!string.IsNullOrEmpty(e.GetAttribute("min_range")))
{
slice.setMinRange(float.Parse(e.GetAttribute("min_range")));
}
if (!string.IsNullOrEmpty(e.GetAttribute("max_range")))
{
slice.setMaxRange(float.Parse(e.GetAttribute("max_range")));
}
#if TODO_DANI
// required filter graph:
string graph = e.GetAttribute("graph");
slice.setFilterGraph(proj.getFilterGraph(graph)); //TODO: warning?
#endif
// optional source:
slice.setSource(proj.getSource(e.GetAttribute("source")));
#if TODO_DANI
// properties particular to this slice:
XmlNodeList props = e.GetElementsByTagName("property");
foreach (XmlNode i in props)
{
XmlElement k_e = (XmlElement)i;
string name = k_e.GetAttribute("name");
string value = k_e.GetAttribute("value");
slice.getProperties().Add(new Property(name, value));
}
#endif
// now decode sub-slices:
XmlNodeList slices = e.GetElementsByTagName("slice");
foreach (XmlNode i in slices)
{
BuildLayerSlice child = decodeSlice((XmlElement)i, proj);
if (child != null)
{
slice.getSubSlices().Add(child);
}
}
}
return(slice);
}
static XmlElement encodeSlice(XmlDocument doc, BuildLayerSlice slice)
{
XmlElement e = null;
if (slice != null)
{
e = doc.CreateElement("slice");
if (slice.getMinRange() > 0)
{
Property p = new Property("ignore", slice.getMinRange());
e.SetAttribute("min_range", p.getValue());
}
if (slice.getMaxRange() < float.MaxValue)
{
Property p = new Property("ignore", slice.getMaxRange());
e.SetAttribute("max_range", p.getValue());
}
e.SetAttribute("graph", slice.getFilterGraph().getName());
if (slice.getSource() != null)
{
e.SetAttribute("source", slice.getSource().getName());
}
foreach (Property it in slice.getProperties())
{
e.AppendChild(encodeProperty(doc, it));
}
foreach (BuildLayerSlice it in slice.getSubSlices())
{
e.AppendChild(encodeSlice(doc, it));
}
}
return(e);
}
/*** 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);
}
static BuildLayer decodeLayer(XmlElement e, Project proj)
{
BuildLayer layer = null;
if (e != null)
{
layer = new BuildLayer();
#if TODO_DANI
layer.setBaseURI(proj.getBaseURI());
#endif
layer.setName(e.GetAttribute("name"));
string type = e.GetAttribute("type");
if (type == "correlated")
{
layer.setType(BuildLayer.LayerType.TYPE_CORRELATED);
}
else if (type == "gridded")
{
layer.setType(BuildLayer.LayerType.TYPE_GRIDDED);
}
else if (type == "quadtree" || type == "new")
{
layer.setType(BuildLayer.LayerType.TYPE_QUADTREE);
}
string source = e.GetAttribute("source");
layer.setSource(proj.getSource(source));
string terrain = e.GetAttribute("terrain");
layer.setTerrain(proj.getTerrain(terrain));
layer.setTargetPath(e.GetAttribute("target"));
XmlNodeList slices = e.GetElementsByTagName("slice");
foreach (XmlNode i in slices)
{
BuildLayerSlice slice = decodeSlice((XmlElement)i, proj);
if (slice != null)
{
layer.getSlices().Add(slice);
}
}
#if TODO_DANI
XmlNodeList props = e.GetElementsByTagName("property");
foreach (XmlNode i in props)
{
XmlElement k_e = (XmlElement)i;
string name = k_e.GetAttribute("name");
string value = k_e.GetAttribute("value");
layer.getProperties().Add(new Property(name, value));
}
XmlNodeList env_props = e.GetElementsByTagName("env_property");
foreach (XmlNode i in env_props)
{
XmlElement k_e = (XmlElement)i;
string name = k_e.GetAttribute("name");
string value = k_e.GetAttribute("value");
layer.getEnvProperties().Add(new Property(name, value));
}
#endif
}
return(layer);
}
