static List <ISurfaceDataMember> ParseAppearance(XElement node)
{
List <ISurfaceDataMember> retVal = new List <ISurfaceDataMember>();
string app = "http://www.opengis.net/citygml/appearance/2.0";
XName appearance = XName.Get("Appearance", app);
XName surfaceDataMember = XName.Get("surfaceDataMember", app);
var child = node.Element(appearance);
var surfaceDataMembers = child.Elements(surfaceDataMember);
foreach (var sfd in surfaceDataMembers)
{
var ParameterizedTexture = XName.Get("ParameterizedTexture", app);
var X3DMaterial = XName.Get("X3DMaterial", app);
var textures = sfd.Elements(ParameterizedTexture);
var materials = sfd.Elements(X3DMaterial);
foreach (var texture in textures)
{
ParameterizedTexture gmlTexture = new ParameterizedTexture(texture.FirstAttribute.Value);
CreateParamaterizedTexture(ref gmlTexture, texture);
retVal.Add(gmlTexture);
}
foreach (var material in materials)
{
X3DMaterial mat = new X3DMaterial(material.FirstAttribute.Value);
CreateX3DMaterial(ref mat, material);
retVal.Add(mat);
}
}
return(retVal);
}
static void CreateX3DMaterial(ref X3DMaterial material, XElement element)
{
string gmlString = "http://www.opengis.net/gml";
string appString = "http://www.opengis.net/citygml/appearance/2.0";
material.gmlID = element.FirstAttribute.Value;
foreach (var child in element.Elements())
{
if (child.Name == XName.Get("name", gmlString))
{
material.name = child.Value;
continue;
}
if (child.Name == XName.Get("ambientIntensity", appString))
{
material.ambientIntensity = double.Parse(child.Value);
try
{
material.ambientIntensity = double.Parse(child.Value);
}catch (Exception e)
{
material.ambientIntensity = 0.2; //0.2 is the default ambient intensity value
}
continue;
}
if (child.Name == XName.Get("diffuseColor", appString))
{
var vals = child.Value.Split(' ');
material.diffuseColor = ParseColorValue(vals);
continue;
}
if (child.Name == XName.Get("emissiveColor", appString))
{
var vals = child.Value.Split(' ');
material.emissiveColor = ParseColorValue(vals);
continue;
}
if (child.Name == XName.Get("specularColor", appString))
{
var vals = child.Value.Split(' ');
material.specularColor = ParseColorValue(vals);
continue;
}
if (child.Name == XName.Get("shininess", appString))
{
material.shininess = double.Parse(child.Value);
continue;
}
if (child.Name == XName.Get("transparency", appString))
{
material.transparency = double.Parse(child.Value);
continue;
}
if (child.Name == XName.Get("target", appString))
{
string target = child.Value;
target = target.Substring(1, target.Length - 1);
material.target = target;
continue;
}
}
}