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Get Points of Repeating Elements in Table-driven Pattern (C#)

This example shows that the points that describe the locations of the repeating elements in a table-driven pattern are based on the table-driven pattern's coordinate system.

//---------------------------------------------
// Preconditions:
// 1. Verify that the part to open exists.
// 2. Open the Immediate window.
//
// Postconditions:
// 1. Gets the coordinates of the
//    points for the two repeating elements in the
//    table-driven pattern.
// 2. Examine the Immediate window.
//
// NOTE: Because the part is used elsewhere, do
// not save changes.
//---------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System;
using System.Diagnostics;

namespace PatternCS.csproj
{

    
partial class SolidWorksMacro
    {


        
public void Main()
        {
            ModelDoc2 swModel =
default(ModelDoc2);
            ModelDocExtension swModelDocExt =
default(ModelDocExtension);
            SelectionMgr swSelMgr =
default(SelectionMgr);
            Feature swFeat =
default(Feature);
            CoordinateSystemFeatureData swCoordinateData =
default(CoordinateSystemFeatureData);
            TablePatternFeatureData swTablePatternFeatData =
default(TablePatternFeatureData);
            MathTransform swMathTransform =
default(MathTransform);
            MathUtility swMathUtility =
default(MathUtility);
            MathPoint swMathPoint =
default(MathPoint);
            
bool status = false;
            
int errors = 0;
            
int warnings = 0;
            
string filename = null;
            
double[] points = null;
            
string point = null;
            
double[] pointsArray = new double[3];
            
int i = 0;

            filename =
"C:\\Users\\Public\\Documents\\SOLIDWORKS\\SOLIDWORKS 2018\\samples\\tutorial\\api\\tablepattern.sldprt";

            swModel = (ModelDoc2)swApp.OpenDoc6(filename, (
int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref errors, ref warnings);
            swModelDocExt = (ModelDocExtension)swModel.Extension;
            swSelMgr = (SelectionMgr)swModel.SelectionManager;

            
// Select the table-driven pattern
            status = swModelDocExt.SelectByID2("TPattern1", "BODYFEATURE", 0, 0, 0, false, 0, null, 0);
            swFeat = (Feature)swSelMgr.GetSelectedObject6(1, -1);


            swTablePatternFeatData = (TablePatternFeatureData)swFeat.GetDefinition();
            swTablePatternFeatData.AccessSelections(swModel,
null);

            
// Get the points of the repeating elements in the table-driven pattern
            // and transform them to coordinates
            swCoordinateData = ((Feature)swTablePatternFeatData.CoordinateSystem).GetDefinition() as CoordinateSystemFeatureData;
            swCoordinateData.AccessSelections(swModel,
null);
            swMathTransform = swCoordinateData.Transform;
            swCoordinateData.ReleaseSelectionAccess();

            swMathUtility = (MathUtility)swApp.GetMathUtility();

            points = (
double[])swTablePatternFeatData.PointArray;

            Debug.Print("Number of points: " + swTablePatternFeatData.GetPointCount());

            
for (i = 0; i < points.Length; i += 3)
            {
                pointsArray[0] = points[i];
                pointsArray[1] = points[i + 1];
                pointsArray[2] = points[i + 2];
                swMathPoint = (MathPoint)swMathUtility.CreatePoint(pointsArray);

                swMathPoint = swMathPoint.MultiplyTransform(swMathTransform.Inverse())
as MathPoint;

                
// Print the coordinates for the two repeating elements in the table-driven pattern
                point = "x: " + ((double[])swMathPoint.ArrayData)[0].ToString() + " y: " + ((double[])swMathPoint.ArrayData)[1].ToString() + " z: " + ((double[])swMathPoint.ArrayData)[2].ToString();

                
Debug.Print(point);

            }

            swTablePatternFeatData.ReleaseSelectionAccess();

        }

        
/// <summary>
        /// The SldWorks swApp variable is pre-assigned for you.
        /// </summary>

        public SldWorks swApp;

    }
}



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