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Create Polygon Face Mesh Example (C#)

This example shows how to create a polygon face mesh.

//-------------------------------------------------------------
// Preconditions:
// 1. Create a C# Windows console project.
// 2. Copy and paste this example into the C# IDE.
// 3. Add a reference to:
//    install_dir\APISDK\tlb\DraftSight.Interop.dsAutomation.dll.
// 4. Add references to System and System.Windows.Forms.
// 5. Start DraftSight and open a document.
// 6. Open the Immediate window.
// 7. Click Start Debugging.
//
// Postconditions:
// 1. A Polygon face mesh is created and zoomed to fit.
// 2. All Polygon face mesh parameters are printed to the Immediate
//    window.
//------------------------------------------------------------


using System;
using System.Collections.Generic;
using System.Text;
using DraftSight.Interop.dsAutomation;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Diagnostics;

namespace AddPolyfaceMesh
{
    
class Program
    {
        
private static DraftSight.Interop.dsAutomation.Application dsApp;

        
static void Main(string[] args)
        {
            
//Connect to DraftSight application
            dsApp = (DraftSight.Interop.dsAutomation.Application)Marshal.GetActiveObject("DraftSight.Application");
            dsApp.AbortRunningCommand(); //
abort any command currently running in DraftSight to avoid nested commands

            
//Get active document
            Document dsDoc = dsApp.GetActiveDocument();
            
if (null == dsDoc)
            {
                
MessageBox.Show("There are no opened documents in DraftSight");
                
return;
            }

            
//Get model space
            Model dsModel = dsDoc.GetModel();

            
//Get Sketch Manager
            SketchManager dsSketchMgr = dsModel.GetSketchManager();

            
//Polygon face mesh parameters
            int verticesCount = 8;
            
double[] coordinatesArray = new double[]
            {
                2, 2, 0,
                2, 6, 0,
                6, 6, 0,
                6, 2, 0,
                2, 2, 2,
                2, 6, 2,
                6, 6, 2,
                6, 2, 2
            };
            
int[] faceVerticesCountArray = new int[] { 4, 4, 4, 4, 4, 4 };
            
int[] faceVerticesArray = new int[]
            {
                1, 2, 3, 4,
                5, 6, 7, 8,
                1, 5, 8, 4,
                2, 6, 7, 3,
                3, 7, 8, 4,
                1, 2, 6, 5
            };

            
//Add polygon face mesh
            PolyFaceMesh dsPolyFaceMesh = dsSketchMgr.InsertPolyFaceMesh(verticesCount, coordinatesArray, faceVerticesCountArray, faceVerticesArray);
            
if (null != dsPolyFaceMesh)
            {
                
//Zoom to fit
                dsApp.Zoom(dsZoomRange_e.dsZoomRange_Fit, null, null);

                
//Print polygon face mesh parameters
                PrintParameters(dsPolyFaceMesh);
            }
            
else
            {
                
MessageBox.Show("Polygon face mesh entity was not added to the current drawing.");
            }
        }

        
private static void PrintParameters(PolyFaceMesh dsPolyFaceMesh)
        {
            
Debug.Print(Environment.NewLine + "Polygon face mesh parameters...");

            
//Print common entity parameters
            Debug.Print("Handle = " + dsPolyFaceMesh.Handle);
            
Debug.Print("Color = " + dsPolyFaceMesh.Color.GetNamedColor());
            
Debug.Print("Erased = " + dsPolyFaceMesh.Erased);
            
Debug.Print("Layer = " + dsPolyFaceMesh.Layer);
            
Debug.Print("LineScale = " + dsPolyFaceMesh.LineScale);
            
Debug.Print("LineStyle = " + dsPolyFaceMesh.LineStyle);
            
Debug.Print("LineWeight = " + dsPolyFaceMesh.LineWeight);
            
Debug.Print("Visible = " + dsPolyFaceMesh.Visible);

            
double x1, y1, z1;
            
double x2, y2, z2;
            dsPolyFaceMesh.GetBoundingBox(
out x1, out y1, out z1, out x2, out y2, out z2);
            
Debug.Print(string.Format("BoundingBox: ({0},{1},{2}) and ({3},{4},{5})", x1, y1, z1, x2, y2, z2));

            
//Print polygon face mesh faces
            Debug.Print("Count of faces = " + dsPolyFaceMesh.GetFacesCount());
            
for (int faceIndex = 0; faceIndex < dsPolyFaceMesh.GetFacesCount(); ++faceIndex)
            {
                
int corner1Vertex, corner2Vertex, corner3Vertex, corner4Vertex;
                dsPolyFaceMesh.GetFace(faceIndex,
out corner1Vertex, out corner2Vertex, out corner3Vertex, out corner4Vertex);

                
Debug.Print(string.Format("Face({0}): ({1},{2},{3},{4})", faceIndex, corner1Vertex, corner2Vertex, corner3Vertex, corner4Vertex));
            }

            
//Print polygon face mesh vertices
            Debug.Print("Count of vertices = " + dsPolyFaceMesh.GetVerticesCount());
            
for (int vertexIndex = 0; vertexIndex < dsPolyFaceMesh.GetVerticesCount(); ++vertexIndex)
            {
                
double x, y, z;
                dsPolyFaceMesh.GetVertexCoordinate(vertexIndex,
out x, out y, out z);

                
Debug.Print(string.Format("Vertex({0}): ({1},{2},{3})", vertexIndex, x, y, z));
            }
        }
    }
}



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