MDensity Example |

Using Programming Languages other than VBA

Sub Example_MDensity() ' This example creates a 4 X 4 polygonmesh in model space. ' It then changes the type of polymesh, and finds the ' number of points in the 'M' direction. Dim meshObj As AcadPolygonMesh Dim mSize, nSize, count As Integer Dim points(0 To 47) As Double ' Create the matrix of points points(0) = 0: points(1) = 0: points(2) = 0 points(3) = 2: points(4) = 0: points(5) = 1 points(6) = 4: points(7) = 0: points(8) = 0 points(9) = 6: points(10) = 0: points(11) = 1 points(12) = 0: points(13) = 2: points(14) = 0 points(15) = 2: points(16) = 2: points(17) = 1 points(18) = 4: points(19) = 2: points(20) = 0 points(21) = 6: points(22) = 2: points(23) = 1 points(24) = 0: points(25) = 4: points(26) = 0 points(27) = 2: points(28) = 4: points(29) = 1 points(30) = 4: points(31) = 4: points(32) = 0 points(33) = 6: points(34) = 4: points(35) = 0 points(36) = 0: points(37) = 6: points(38) = 0 points(39) = 2: points(40) = 6: points(41) = 1 points(42) = 4: points(43) = 6: points(44) = 0 points(45) = 6: points(46) = 6: points(47) = 0 mSize = 4: nSize = 4 ' Create a 3Dmesh in model space Set meshObj = ThisDrawing.ModelSpace.Add3DMesh(mSize, nSize, points) ' Change the viewing direction of the viewport to better see the polymesh Dim NewDirection(0 To 2) As Double NewDirection(0) = -1: NewDirection(1) = -1: NewDirection(2) = 1 ThisDrawing.ActiveViewport.direction = NewDirection ThisDrawing.ActiveViewport = ThisDrawing.ActiveViewport ZoomAll ' Change the type of mesh. (MDensity is not valid for acSimpleMesh type.) meshObj.Type = acQuadSurfaceMesh meshObj.Update ThisDrawing.Regen acActiveViewport ' Find the MDensity for the mesh Dim currDensity As Integer currDensity = meshObj.MDensity MsgBox "The MDensity for the mesh is " & meshObj.MDensity, , "MDensity Example" End Sub

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