public static IGroupElement CreateFacadesFromPolygon(IFeature ifeature_0, IFeature3DProperties ifeature3DProperties_0, clsTextureGroup clsTextureGroup_0, ISurface isurface_0, string string_0, IPolygon ipolygon_0, bool bool_0)
{
IGroupElement groupElement = null;
IGroupElement result;
try
{
IEncode3DProperties encode3DProperties = new GeometryEnvironment() as IEncode3DProperties;
IGroupElement groupElement2 = new GroupElement() as IGroupElement;
if (modFacades.m_limitAngle == 0.0)
{
modFacades.m_limitAngle = 0.5235987666666666;
}
IGeometry geometry = null;
if (ifeature_0 != null)
{
if (ifeature3DProperties_0 != null && bool_0)
{
ifeature3DProperties_0.ApplyFeatureProperties(ifeature_0, out geometry, false);
}
else
{
geometry = ifeature_0.Shape;
}
}
else if (ipolygon_0 != null)
{
geometry = ipolygon_0;
}
if (geometry == null)
{
result = null;
return(result);
}
if (!(geometry is IMultiPatch))
{
}
IEnvelope envelope = geometry.Envelope;
double num = envelope.ZMin;
ISpatialReference spatialReference = BuildingProperty.Scene.SpatialReference;
geometry.Project(spatialReference);
string a = num.ToString();
if (a.Equals("非数字"))
{
num = 0.0;
}
double num2 = 0.0;
if (ifeature3DProperties_0 != null)
{
I3DProperties i3DProperties = ifeature3DProperties_0 as I3DProperties;
if (i3DProperties.OffsetExpressionString.Length > 0)
{
try
{
num2 = Convert.ToDouble(i3DProperties.OffsetExpressionString);
}
catch
{
}
}
if (geometry is IPolygon)
{
num += num2;
}
}
IGeometryCollection geometryCollection = geometry as IGeometryCollection;
int geometryCount = geometryCollection.GeometryCount;
int num3;
if (geometry is IMultiPatch)
{
geometryCount = geometryCollection.GeometryCount;
num3 = geometryCollection.GeometryCount * 2 / 3;
modFacades.m_extrusionHeight = geometry.Envelope.ZMax - geometry.Envelope.ZMin;
}
else
{
num3 = 0;
geometryCount = geometryCollection.GeometryCount;
}
if (modFacades.m_extrusionHeight < 1.0)
{
modFacades.m_extrusionHeight = 1.0;
}
IPoint point = null;
double num4 = 0.0;
double num5 = 0.0;
double num6 = 0.0;
object value = Missing.Value;
for (int i = num3; i < geometryCount; i++)
{
IGeometry geometry2 = geometryCollection.get_Geometry(i);
esriGeometryType geometryType = geometry2.GeometryType;
if (geometryType == esriGeometryType.esriGeometryRing || geometryType == esriGeometryType.esriGeometryPolyline)
{
IPointCollection pointCollection = geometry2 as IPointCollection;
int pointCount = pointCollection.PointCount;
if (pointCount >= 2)
{
int num7 = 0;
int num8 = 1;
bool flag = false;
IPointCollection pointCollection2;
double m;
IMultiPatch multiPatch;
IGeometryCollection geometryCollection2;
IZAware iZAware;
IMAware iMAware;
IElement element;
while (!flag)
{
bool flag2 = false;
while (num8 < pointCount && !flag2)
{
if (num8 - num7 == 1)
{
IPoint point2 = pointCollection.get_Point(num7);
point = pointCollection.get_Point(num8);
num5 = point.X - point2.X;
num6 = point.Y - point2.Y;
num4 = Math.Sqrt(num5 * num5 + num6 * num6);
if (isurface_0 != null)
{
num = isurface_0.get_Z(point.X, point.Y);
num += num2;
}
}
else
{
IPoint point2 = point;
double num9 = num5;
double num10 = num6;
point = pointCollection.get_Point(num8);
if (isurface_0 != null)
{
num = isurface_0.get_Z(point.X, point.Y);
num += num2;
}
num5 = point.X - point2.X;
num6 = point.Y - point2.Y;
double num11 = Math.Sqrt(num9 * num9 + num10 * num10);
double num12 = Math.Sqrt(num5 * num5 + num6 * num6);
double num13 = (num9 * num5 + num10 * num6) / (num11 * num12);
if (num13 < Math.Cos(modFacades.m_limitAngle))
{
flag2 = true;
break;
}
num4 += num12;
}
num8++;
}
if (flag2)
{
num8--;
}
else
{
num8--;
}
pointCollection2 = new TriangleStrip();
double num14 = 0.0;
for (int j = num7; j <= num8; j++)
{
if (j > 0)
{
IPoint point2 = point;
point = pointCollection.get_Point(j);
num5 = point.X - point2.Y;
num6 = point.Y - point2.Y;
num14 += Math.Sqrt(num5 * num5 + num6 * num6);
}
else
{
point = pointCollection.get_Point(j);
}
point.Z = num;
m = 0.0;
encode3DProperties.PackTexture2D(num14 / num4, 0.0, out m);
point.M = m;
IClone clone = point as IClone;
pointCollection2.AddPoint(clone.Clone() as IPoint, ref value, ref value);
point.Z = num + modFacades.m_extrusionHeight;
m = 0.0;
encode3DProperties.PackTexture2D(num14 / num4, -1.0, out m);
point.M = m;
pointCollection2.AddPoint(clone.Clone() as IPoint, ref value, ref value);
}
multiPatch = new MultiPatch() as IMultiPatch;
geometryCollection2 = (multiPatch as IGeometryCollection);
iZAware = (multiPatch as IZAware);
iZAware.ZAware = true;
iMAware = (multiPatch as IMAware);
iMAware.MAware = true;
geometryCollection2.AddGeometry(pointCollection2 as IGeometry, ref value, ref value);
if (clsTextureGroup_0 != null)
{
int index = modFacades.FindTextureByAspect(clsTextureGroup_0, num4 / modFacades.m_extrusionHeight);
element = modFacades.CreateElement(multiPatch, clsTextureGroup_0.Symbols[index], string_0);
}
else
{
element = modFacades.CreateElement(multiPatch, null, string_0);
}
if (element != null)
{
groupElement2.AddElement(element);
}
num7 = num8;
num8 = num7 + 1;
if (num7 >= pointCount - 1)
{
flag = true;
}
}
IVector3D vector3D = new Vector3D() as IVector3D;
vector3D.XComponent = 0.0;
vector3D.YComponent = 0.0;
vector3D.ZComponent = 1.0;
m = 0.0;
encode3DProperties.PackNormal(vector3D, out m);
pointCollection2 = new Ring();
for (int j = 0; j <= pointCount - 1; j++)
{
IPoint point3 = pointCollection.get_Point(j);
point3.Z = num + modFacades.m_extrusionHeight;
point3.M = 0.0;
IClone clone = point3 as IClone;
pointCollection2.AddPoint(clone.Clone() as IPoint, ref value, ref value);
}
IRing ring = pointCollection2 as IRing;
ring.Close();
multiPatch = new MultiPatch() as IMultiPatch;
geometryCollection2 = (multiPatch as IGeometryCollection);
iZAware = (multiPatch as IZAware);
iZAware.ZAware = true;
iMAware = (multiPatch as IMAware);
iMAware.MAware = true;
geometryCollection2.AddGeometry(pointCollection2 as IGeometry, ref value, ref value);
multiPatch.PutRingType(pointCollection2 as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
if (clsTextureGroup_0 != null)
{
element = modFacades.CreateElement(multiPatch, clsTextureGroup_0.RoofSymbol, string_0 + ";ROOFCOLOR=" + clsTextureGroup_0.RoofColorRGB.ToString());
}
else
{
element = modFacades.CreateElement(multiPatch, null, string_0 + ";ROOFCOLOR=1");
}
if (element != null)
{
groupElement2.AddElement(element);
}
}
}
}
if (groupElement2 != null)
{
IElementProperties elementProperties = groupElement2 as IElementProperties;
elementProperties.Name = string_0;
}
groupElement = groupElement2;
result = groupElement;
return(result);
}
catch
{
}
result = groupElement;
return(result);
}
public static IMultiPatch Cylinder(IPoint ipoint_0, double double_0, double double_1, double double_2, double double_3, double double_4, bool bool_0, bool bool_1)
{
double num = 36.0;
object value = Missing.Value;
double num2 = (double_2 - double_1) / num;
double num3 = double_2 - double_1;
IMultiPatch multiPatch = new MultiPatch() as IMultiPatch;
IGeometryCollection geometryCollection = multiPatch as IGeometryCollection;
IPointCollection pointCollection = new TriangleStrip();
IVector3D vector3D = new Vector3D() as IVector3D;
IEncode3DProperties encode3DProperties = new GeometryEnvironment() as IEncode3DProperties;
for (double num4 = double_2; num4 <= double_1; num4 += -num2)
{
double num5 = Utils3D.DegreesToRadians(num4);
vector3D.PolarSet(-num5, 0.0, double_0);
IPoint point = new Point();
point.X = ipoint_0.X + vector3D.XComponent;
point.Y = ipoint_0.Y + vector3D.YComponent;
point.Z = double_3;
double num6 = (num4 - double_1) / num3;
if (bool_0)
{
num6 = 1.0 + num6 * -1.0;
}
if (num6 <= 0.0)
{
num6 = 0.001;
}
else if (num6 >= 1.0)
{
num6 = 0.999;
}
double textureT;
if (bool_1)
{
textureT = 0.0;
}
else
{
textureT = 1.0;
}
double m = 0.0;
encode3DProperties.PackTexture2D(num6, textureT, out m);
point.M = m;
pointCollection.AddPoint(point, ref value, ref value);
IClone clone = point as IClone;
IPoint point2 = clone.Clone() as IPoint;
point2.Z = double_4;
if (bool_1)
{
textureT = 1.0;
}
else
{
textureT = 0.0;
}
m = 0.0;
encode3DProperties.PackTexture2D(num6, textureT, out m);
point2.M = m;
pointCollection.AddPoint(point2, ref value, ref value);
}
IGeometry2 inGeometry = pointCollection as IGeometry2;
geometryCollection.AddGeometry(inGeometry, ref value, ref value);
IZAware iZAware = multiPatch as IZAware;
iZAware.ZAware = true;
IMAware iMAware = multiPatch as IMAware;
iMAware.MAware = true;
return(multiPatch);
}