ArcObjects Library Reference (Geometry)

IGeneralMultiPatchInfo Interface

Interface to get infomation of a GeneralMultiPatch.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Members

		Description
	IdCount	Get Id Count.
	IsMaterialTextured	Get Is Material textured.
	MaterialColor	Get material color.
	MaterialCount	Get Material Count.
	MaterialCullBackface	Get backface culling enabled,
	MaterialTextureBytesPerPixel	Get Material texture bytes per pixel.
	MaterialTextureColumnCount	Get Material texture column count.
	MaterialTexturePixelColor	Get Material texture pixel color.
	MaterialTextureRowCount	Get Material texture row count.
	MaterialTransparencyPercent	Get transparency %, in range of 0 - 100
	MCount	Get M Count.
	NormalCount	Get Normal Count.
	PatchCount	Get Patch Count.
	PatchM	Get M for patch at vertex index.
	PatchMaterialIndex	Get patch material index.
	PatchPriority	Get patch priority.
	PatchTextureVertex	Get Texture WKSPoint for a patch at vertex index.
	PatchTextureVertexCount	Get texture vertex count for a patch.
	PatchType	Get patch type.
	PatchVertex	Get Point for patch at vertex index.
	PatchVertexCount	Get count of vertices in patch.
	PatchVertexID	Get vertex Id for a patch at vertex index.
	QueryPatchNormal	Copies the Normal for patch at specified vertex index into the input vector.
	TextureVertexCount	Get Texture Vertex Count.
	VertexCount	Get Vertex Count.

CoClasses that implement IGeneralMultiPatchInfo

CoClasses and Classes	Description
MultiPatch	A collection of surface patches.

Remarks

Use this interface to obtain a multipatch's geometry information, including those of its geometry material, if any.

[C#]

public static void MultiPatchToString(IMultiPatch multiPatch)

{

IGeneralMultiPatchInfo generalMultiPatchInfo = multiPatch as IGeneralMultiPatchInfo;

int materialCount = generalMultiPatchInfo.MaterialCount;

int patchCount = generalMultiPatchInfo.PatchCount;

Trace.WriteLine("----------------------");

Trace.WriteLine("High Level Description");

Trace.WriteLine("----------------------");

Trace.WriteLine("Material Count: " + materialCount);

Trace.WriteLine("Patch Count: " + patchCount);

Trace.WriteLine(" Point Count: " + generalMultiPatchInfo.VertexCount);

Trace.WriteLine(" M Count: " + generalMultiPatchInfo.MCount);

Trace.WriteLine(" ID Count: " + generalMultiPatchInfo.IdCount);

Trace.WriteLine(" Normal Count: " + generalMultiPatchInfo.NormalCount);

Trace.WriteLine(" Texture Point Count: " + generalMultiPatchInfo.TextureVertexCount);

Trace.WriteLine("---------------------");

Trace.WriteLine("Low Level Description");

Trace.WriteLine("---------------------");

Trace.WriteLine("Materials: ");

for (int materialIndex = 0; materialIndex < materialCount; materialIndex++)

{

Trace.WriteLine(" Material " + materialIndex + ": ");

Trace.WriteLine(" Color: " + generalMultiPatchInfo.get_MaterialColor(materialIndex));

Trace.WriteLine(" Texture: ");

Trace.WriteLine(" IsTextured: " + generalMultiPatchInfo.get_IsMaterialTextured(materialIndex));

int columnCount = generalMultiPatchInfo.get_MaterialTextureColumnCount(materialIndex);

int rowCount = generalMultiPatchInfo.get_MaterialTextureRowCount(materialIndex);

int bytesPerPixel = generalMultiPatchInfo.get_MaterialTextureBytesPerPixel(materialIndex);

Trace.WriteLine(" RowCount: " + rowCount);

Trace.WriteLine(" ColumnCount: " + columnCount);

Trace.WriteLine(" BytesPerPixel: " + bytesPerPixel);

double sizeInKB = (double)rowCount * (double)columnCount * (double)bytesPerPixel * Math.Pow(10, -3);

Trace.WriteLine(" SizeInKB: " + sizeInKB);

for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)

{

for (int columnIndex = 0; columnIndex < columnCount; columnIndex++)

{

Trace.WriteLine(" Pixel (" + rowIndex + ", " + columnIndex + "): ");

Trace.WriteLine(" Color: " + generalMultiPatchInfo.get_MaterialTexturePixelColor(materialIndex, rowIndex, columnIndex));

}

Trace.WriteLine(" TransparencyPercent: " + generalMultiPatchInfo.get_MaterialTransparencyPercent(materialIndex));

Trace.WriteLine(" IsBackfaceCulled: " + generalMultiPatchInfo.get_MaterialCullBackface(materialIndex));

}

Trace.WriteLine("Patches: ");

for (int patchIndex = 0; patchIndex < patchCount; patchIndex++)

{

Trace.WriteLine(" Patch " + patchIndex + ": ");

Trace.WriteLine(" Type: " + generalMultiPatchInfo.get_PatchType(patchIndex));

Trace.WriteLine(" Priority: " + generalMultiPatchInfo.get_PatchPriority(patchIndex));

Trace.WriteLine(" MaterialIndex: " + generalMultiPatchInfo.get_PatchMaterialIndex(patchIndex));

int pointCount = generalMultiPatchInfo.get_PatchVertexCount(patchIndex);

Trace.WriteLine(" PointCount: " + pointCount);

for (int pointIndex = 0; pointIndex < pointCount; pointIndex++)

{

WKSPointZ point = generalMultiPatchInfo.get_PatchVertex(patchIndex, pointIndex);

Trace.WriteLine(" Point " + pointIndex + ": ");

Trace.WriteLine(" X: " + point.X);

Trace.WriteLine(" Y: " + point.Y);

Trace.WriteLine(" Z: " + point.Z);

double m = generalMultiPatchInfo.get_PatchM(patchIndex, pointIndex);

int id = generalMultiPatchInfo.get_PatchVertexID(patchIndex, pointIndex);

Trace.WriteLine(" M: " + m);

Trace.WriteLine(" ID: " + id);

IVector3D normalVector3D = new Vector3DClass();

generalMultiPatchInfo.QueryPatchNormal(patchIndex, pointIndex, normalVector3D);

Trace.WriteLine(" Normal: ");

Trace.WriteLine(" XComponent: " + normalVector3D.XComponent);

Trace.WriteLine(" YComponent: " + normalVector3D.YComponent);

Trace.WriteLine(" ZComponent: " + normalVector3D.ZComponent);

}

int texturePointCount = generalMultiPatchInfo.get_PatchTextureVertexCount(patchIndex);

Trace.WriteLine(" TexturePointCount: " + texturePointCount);

for (int texturePointIndex = 0; texturePointIndex < texturePointCount; texturePointIndex++)

{

WKSPoint texturePoint = generalMultiPatchInfo.get_PatchTextureVertex(patchIndex, texturePointIndex);

Trace.WriteLine(" TexturePoint " + texturePointIndex + ": ");

Trace.WriteLine(" S: " + texturePoint.X);

Trace.WriteLine(" T: " + texturePoint.Y);

}

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