private Multipatch CreateCubeMultipatch()
{
double side = 5.0;
// create the multipatch builder
MultipatchBuilderEx cubeMultipatchBuilderEx = new MultipatchBuilderEx();
// make the top face patch
Patch topFacePatch = cubeMultipatchBuilderEx.MakePatch(PatchType.FirstRing);
topFacePatch.Coords = new List <Coordinate3D>
{
new Coordinate3D(0, 0, side),
new Coordinate3D(0, side, side),
new Coordinate3D(side, side, side),
new Coordinate3D(side, 0, side),
};
// make the bottom face patch
Patch bottomFacePatch = cubeMultipatchBuilderEx.MakePatch(PatchType.FirstRing);
bottomFacePatch.Coords = new List <Coordinate3D>
{
new Coordinate3D(0, 0, 0),
new Coordinate3D(0, side, 0),
new Coordinate3D(side, side, 0),
new Coordinate3D(side, 0, 0),
};
// make the sides face patch
Patch sidesFacePatch = cubeMultipatchBuilderEx.MakePatch(PatchType.TriangleStrip);
sidesFacePatch.Coords = new List <Coordinate3D>
{
new Coordinate3D(0, 0, 0),
new Coordinate3D(0, 0, side),
new Coordinate3D(side, 0, 0),
new Coordinate3D(side, 0, side),
new Coordinate3D(side, side, 0),
new Coordinate3D(side, side, side),
new Coordinate3D(0, side, 0),
new Coordinate3D(0, side, side),
new Coordinate3D(0, 0, 0),
new Coordinate3D(0, 0, side),
};
// add to the Patches collection on the builder
cubeMultipatchBuilderEx.Patches.Add(topFacePatch);
cubeMultipatchBuilderEx.Patches.Add(bottomFacePatch);
cubeMultipatchBuilderEx.Patches.Add(sidesFacePatch);
// create the geometry
Multipatch cubeMultipatch = cubeMultipatchBuilderEx.ToGeometry() as Multipatch;
return(cubeMultipatch);
}
internal static async Task <Multipatch> MakeFishnetRingMultiPatchAsync(Polygon inputPoly)
{
Envelope envPoly = inputPoly.Extent;
var interval = GetFishnetIntervalDistance(envPoly);
var mColor = System.Windows.Media.Colors.LightCyan;
var materialRed = new BasicMaterial
{
Color = mColor,
EdgeColor = mColor,
EdgeWidth = 0
};
// create the multipatchBuilderEx object
var mpb = new MultipatchBuilderEx();
// create a list of patch objects
var patches = new List <Patch>();
var first = true;
for (var dX = envPoly.XMin; dX < envPoly.XMax + interval; dX += interval)
{
for (var dY = envPoly.YMin; dY < envPoly.YMax + interval; dY += interval)
{
var cutEnv = EnvelopeBuilder.CreateEnvelope(dX, dY, dX + interval, dY + interval,
envPoly.SpatialReference);
if (GeometryEngine.Instance.Intersects(cutEnv, inputPoly))
{
var addPolygonPart = GeometryEngine.Instance.Clip(inputPoly, cutEnv) as Polygon;
if (addPolygonPart.Area < 0)
{
System.Diagnostics.Debug.WriteLine($@"area: {addPolygonPart.Area}");
}
var result = await Module1.CurrentMapView.Map.GetZsFromSurfaceAsync(addPolygonPart);
if (result.Status == SurfaceZsResultStatus.Ok)
{
addPolygonPart = GeometryEngine.Instance.Move(result.Geometry, 0, 0, Module1.Elevation) as Polygon;
}
var patch = mpb.MakePatch(first ? esriPatchType.FirstRing : esriPatchType.Ring);
first = false;
patch.InsertPoints(0, addPolygonPart.Points);
patch.Material = materialRed;
patches.Add(patch);
}
}
} // assign the patches to the multipatchBuilder
mpb.Patches = patches;
// call ToGeometry to get the multipatch
return(mpb.ToGeometry() as Multipatch);
}
private Multipatch ApplyMaterialsToMultipatch(Multipatch source)
{
// create material for the top face patch
BasicMaterial topFaceMaterial = new BasicMaterial();
topFaceMaterial.Color = Color.FromRgb(203, 65, 84);
topFaceMaterial.Shininess = 150;
topFaceMaterial.TransparencyPercent = 50;
topFaceMaterial.EdgeWidth = 20;
// create material for the bottom face patch
BasicMaterial bottomFaceMaterial = new BasicMaterial();
bottomFaceMaterial.Color = Color.FromRgb(203, 65, 84);
bottomFaceMaterial.EdgeWidth = 20;
// create material for the sides face
BasicMaterial sidesFaceMaterial = new BasicMaterial();
sidesFaceMaterial.Color = Color.FromRgb(133, 94, 66);
sidesFaceMaterial.Shininess = 0;
sidesFaceMaterial.EdgeWidth = 20;
// create a builder using the source multipatch
var cubeMultipatchBuilderEx = new MultipatchBuilderEx(source);
// set material to the top face patch
var topFacePatch = cubeMultipatchBuilderEx.Patches[0];
topFacePatch.Material = topFaceMaterial;
// set material to the bottom face patch
var bottomFacePatch = cubeMultipatchBuilderEx.Patches[1];
bottomFacePatch.Material = bottomFaceMaterial;
// set material to the sides face patch
var sidesFacePatch = cubeMultipatchBuilderEx.Patches[2];
sidesFacePatch.Material = sidesFaceMaterial;
// create the geometry
Multipatch cubeMultipatchWithMaterials = cubeMultipatchBuilderEx.ToGeometry() as Multipatch;
return(cubeMultipatchWithMaterials);
}
private Multipatch ApplyTexturesToMultipatch(Multipatch source)
{
// read jpeg file into a buffer. Create a JPEGTexture
// "C:\Data\xxx\Rubik_cube.jpg
byte[] imageBuffer = GetBufferFromImageFile(@"C:\Data\MultipatchBuilderEx\Textures\Rubik_cube.jpg", esriTextureCompressionType.CompressionJPEG);
JPEGTexture rubiksCubeTexture = new JPEGTexture(imageBuffer);
// create a material
BasicMaterial textureMaterial = new BasicMaterial();
// create a TextureResource from the JPEGTexture and assign
textureMaterial.TextureResource = new TextureResource(rubiksCubeTexture);
// create a builder using the source multipatch
var cubeMultipatchBuilderExWithTextures = new MultipatchBuilderEx(source);
// assign texture material to all the patches
foreach (Patch p in cubeMultipatchBuilderExWithTextures.Patches)
{
p.Material = textureMaterial;
}
// assign texture coordinate to patches
// assign texture coordinates to the top face patch
Patch topFacePatch = cubeMultipatchBuilderExWithTextures.Patches[0];
topFacePatch.TextureCoords2D = new List <Coordinate2D>
{
new Coordinate2D(0.25, 0.33),
new Coordinate2D(0.25, 0),
new Coordinate2D(0.5, 0),
new Coordinate2D(0.5, 0.33),
new Coordinate2D(0.25, 0.33)
};
// assign texture coordinates to the bottom face patch
Patch bottomFacePatch = cubeMultipatchBuilderExWithTextures.Patches[1];
bottomFacePatch.TextureCoords2D = new List <Coordinate2D>
{
new Coordinate2D(0.25, 1),
new Coordinate2D(0.25, 0.66),
new Coordinate2D(0.5, 0.66),
new Coordinate2D(0.5, 1),
new Coordinate2D(0.25, 1)
};
// assign texture coordinates to the sides face patch
Patch sidesFacePatch = cubeMultipatchBuilderExWithTextures.Patches[2];
sidesFacePatch.TextureCoords2D = new List <Coordinate2D>
{
new Coordinate2D(0, 0.66),
new Coordinate2D(0, 0.33),
new Coordinate2D(0.25, 0.66),
new Coordinate2D(0.25, 0.33),
new Coordinate2D(0.5, 0.66),
new Coordinate2D(0.5, 0.33),
new Coordinate2D(0.75, 0.66),
new Coordinate2D(0.75, 0.33),
new Coordinate2D(1.0, 0.66),
new Coordinate2D(1.0, 0.33)
};
// create the geometry
Multipatch cubeMultipatchWithTextures = cubeMultipatchBuilderExWithTextures.ToGeometry() as Multipatch;
return(cubeMultipatchWithTextures);
}