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);
}
private Polygon SideFromTexture(ParameterizedTexture texture)
{
foreach (Polygon p in sides)
{
if (p.gmlID == texture.targetURI)
{
return(p);
}
}
return(null);
}
public void CreateSideUVs()
{
if (sides == null || textures == null)
{
return;
}
foreach (var texture in textures)
{
if (texture.GetType() == typeof(X3DMaterial))
{
continue;
}
ParameterizedTexture param = (ParameterizedTexture)texture;
Polygon p = SideFromTexture(param);
if (p == null)
{
continue;
}
p.uvs = param.textureCoordinates;
}
}
static void CreateMTLFile(List <ISurfaceDataMember> textures, string path)
{
using (StreamWriter sw = File.CreateText(path))
{
foreach (var tex in textures)
{
if (tex.GetType() == typeof(X3DMaterial))
{
continue;
}
ParameterizedTexture texture = (ParameterizedTexture)tex;
sw.WriteLine("newmtl " + texture.targetURI);
sw.WriteLine("illum 0"); //Possible placeholder
sw.WriteLine("Ka 1.0 1.0 1.0");
sw.WriteLine("Kd 1.0 1.0 1.0");
sw.WriteLine("Ks 0.0 0.0 0.0");
sw.WriteLine("map_Kd " + texture.imageURI);
sw.WriteLine();
}
}
}
static void CreateParamaterizedTexture(ref ParameterizedTexture texture, XElement element)
{
string app = "http://www.opengis.net/citygml/appearance/2.0";
foreach (var child in element.Elements())
{
if (child.Name == XName.Get("imageURI", app))
{
texture.imageURI = child.Value;
continue;
}
if (child.Name == XName.Get("mimeType", app))
{
texture.mimeType = child.Value;
continue;
}
if (child.Name == XName.Get("textureType", app))
{
texture.textureType = child.Value;
continue;
}
if (child.Name == XName.Get("wrapMode", app))
{
texture.wrapMode = child.Value;
continue;
}
if (child.Name == XName.Get("borderColor", app))
{
string value = child.Value;
var valArray = value.Split(' ');
int index = 0;
foreach (string s in valArray)
{
double d = double.Parse(s);
texture.borderColor[index] = d;
++index;
}
continue;
}
if (child.Name == XName.Get("target", app))
{
string target = child.FirstAttribute.Value.Substring(1, child.FirstAttribute.Value.Length - 1);
texture.targetURI = target;
//We also have to parse out the texture coordinates here.
var textCoordList = XName.Get("TexCoordList", app);
var tclNode = child.Elements(textCoordList);
var textureCoordinates = tclNode.Elements(XName.Get("textureCoordinates", app));
foreach (var t in textureCoordinates)
{
string value = t.Value;
string[] valueArray = value.Split(' ');
foreach (string s in valueArray)
{
double d = double.Parse(s);
texture.textureCoordinates.Add(d);
}
continue;
}
}
}
}