本文整理汇总了C#中Solid.ComputeCentroid方法的典型用法代码示例。如果您正苦于以下问题：C# Solid.ComputeCentroid方法的具体用法？C# Solid.ComputeCentroid怎么用？C# Solid.ComputeCentroid使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Solid的用法示例。
在下文中一共展示了Solid.ComputeCentroid方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: f
/*
void f()
{
var cx, cy, cz, volume, v, i, x1, y1, z1, x2, y2, z2, x3, y3, z3;
volume = 0;
cx = 0; cy = 0; cz = 0;
// Assuming vertices are in vertX[i], vertY[i], and vertZ[i]
// and faces are faces[i, j] where the first index indicates the
// face and the second index indicates the vertex of that face
// The value in the faces array is an index into the vertex array
i = 0;
repeat (numFaces) {
x1 = vertX[faces[i, 0]]; y1 = vertY[faces[i, 0]]; z1 = vertZ[faces[i, 0]];
x2 = vertX[faces[i, 1]]; y2 = vertY[faces[i, 1]]; z2 = vertZ[faces[i, 1]];
x3 = vertX[faces[i, 2]]; y3 = vertY[faces[i, 2]]; z3 = vertZ[faces[i, 2]];
v = x1*(y2*z3 - y3*z2) + y1*(z2*x3 - z3*x2) + z1*(x2*y3 - x3*y2);
volume += v;
cx += (x1 + x2 + x3)*v;
cy += (y1 + y2 + y3)*v;
cz += (z1 + z2 + z3)*v;
i += 1;
}
// Set centroid coordinates to their final value
cx /= 4 * volume;
cy /= 4 * volume;
cz /= 4 * volume;
// And, just in case you want to know the total volume of the model:
volume /= 6;
}
*/
CentroidVolume GetCentroid( Solid solid )
{
CentroidVolume cv = new CentroidVolume();
double v;
XYZ v0, v1, v2;
SolidOrShellTessellationControls controls
= new SolidOrShellTessellationControls();
controls.LevelOfDetail = 0;
TriangulatedSolidOrShell triangulation = null;
try
{
triangulation
= SolidUtils.TessellateSolidOrShell(
solid, controls );
}
catch( Autodesk.Revit.Exceptions
.InvalidOperationException )
{
return null;
}
int n = triangulation.ShellComponentCount;
for( int i = 0; i < n; ++i )
{
TriangulatedShellComponent component
= triangulation.GetShellComponent( i );
int m = component.TriangleCount;
for( int j = 0; j < m; ++j )
{
TriangleInShellComponent t
= component.GetTriangle( j );
v0 = component.GetVertex( t.VertexIndex0 );
v1 = component.GetVertex( t.VertexIndex1 );
v2 = component.GetVertex( t.VertexIndex2 );
v = v0.X*(v1.Y*v2.Z - v2.Y*v1.Z)
+ v0.Y*(v1.Z*v2.X - v2.Z*v1.X)
+ v0.Z*(v1.X*v2.Y - v2.X*v1.Y);
cv.Centroid += v * (v0 + v1 + v2);
cv.Volume += v;
}
}
// Set centroid coordinates to their final value
cv.Centroid /= 4 * cv.Volume;
XYZ diffCentroid = cv.Centroid
- solid.ComputeCentroid();
Debug.Assert( 0.6 > diffCentroid.GetLength(),
"expected centroid approximation to be "
+ "similar to solid ComputeCentroid result" );
// And, just in case you want to know
// the total volume of the model:
cv.Volume /= 6;
double diffVolume = cv.Volume - solid.Volume;
//.........这里部分代码省略.........