Linear Dimension by workpoints on parts in assembly drawing with multiple subassembly levels

[terzicZG6MS]

Hello!

I have a problem to create a linear dimension by workpoints made on parts. My code is running perfectly when I have one level subassembly. I use occurence and suboccurence to get the part and workpoints. From workpoints I create proxies, then centermarks and geometry intent which is needed for creating dimensions.

But when I need to go deeper into subassembly/subassembly/part to get the workpoint for dimension I get an error. Actually I get the correct part (Checked with MessageBox.Show("Part Name") and MessageBox.Show("Workpoint")), but when I want to "SetInclude" proxies of these points I get an error?

The code below is running OK when I want to work with adapter parts but I need corner parts:

public void MakeAssemblyDrawingDimensionOnFirstAssemblyLevel(AssemblyDocument oAssyDoc, Sheet oSheet, DrawingView oView, int compOcc1, int compSubOcc1, int compOcc2, int compSubOcc2, string WP1, string WP2)
{
GeneralDimensions oGD;
GeneralDimension oDim;
ComponentOccurrence oOc1;
ComponentOccurrence oOc2;
PartComponentDefinition oOc1PD;
PartComponentDefinition oOc2PD;
WorkPoint oWP1;
WorkPoint oWP2;
WorkPointProxy oWPp1;
WorkPointProxy oWPp2;
Centermarks oCM;
Centermark oC1;
Centermark oC2;
GeometryIntent oIntent1;
GeometryIntent oIntent2;
Point2d oPos;
TransientGeometry oTG;

oGD = oSheet.DrawingDimensions.GeneralDimensions;
oTG = m_inventorApplication.TransientGeometry;

oOc1 = oAssyDoc.ComponentDefinition.Occurrences[compOcc1].SubOccurrences[compSubOcc1];
oOc1PD = (PartComponentDefinition)oOc1.Definition;
oWP1 = oOc1PD.WorkPoints[WP1];

oOc2 = oAssyDoc.ComponentDefinition.Occurrences[compOcc2].SubOccurrences[compSubOcc2];
oOc2PD = (PartComponentDefinition)oOc2.Definition;
oWP2 = oOc2PD.WorkPoints[WP2];

Object oPoint = null;
oOc1.CreateGeometryProxy(oWP1, out oPoint);
oWPp1 = (WorkPointProxy)oPoint;
oOc2.CreateGeometryProxy(oWP2, out oPoint);
oWPp2 = (WorkPointProxy)oPoint;

oView.SetIncludeStatus(oWPp1, true);
oView.SetIncludeStatus(oWPp2, true);

oCM = oSheet.Centermarks;
int n = oCM.Count;
oC1 = oCM[n];
oC2 = oCM[n - 1];

oIntent1 = oSheet.CreateGeometryIntent(oC1);
oIntent2 = oSheet.CreateGeometryIntent(oC2);

oPos = oTG.CreatePoint2d((oC1.Position.X - oC2.Position.X) / 2 + oC2.Position.X, oC1.Position.Y - 1);

oDim = (GeneralDimension)oGD.AddLinear(oPos, oIntent1, oIntent2, DimensionTypeEnum.kHorizontalDimensionType);

}

My idea was to drop down main AssemblyDocument object to lower Assembly occurence and make it new "main assembly" from which I can get its parts as suboccurence:

AssemblyDocument oAssy;       //main assembly

ComponentOccurrence oOc1 = oAssy.ComponentDefinition.Occurrences[2];        //subassembly Box1
AssemblyComponentDefinition oAsmCompDef = (AssemblyComponentDefinition)oOc1.Definition;

ComponentOccurrence oOc2 = oAsmCompDef .Occurrences[2].SubOccurrences[1];   //subass. Box_1 Frame ,part Corner:1
PartComponentDefinition oOc2PD = (PartComponentDefinition)oOc2.Definition;
WorkPoint oWP1 = oOc2PD.WorkPoints[WP1];     //point from Corner:1

 

[WCrihfield · Accepted solution]

Hi @terzicZG6MS.  This will be a code intensive task, but basically you need to create a proxy object of the child component's geometry within the parent component at each level.  Higher levels will be creating a proxy of the lower level proxy, and so on until the top level.  That's the workflow when digging down multiple levels into an assembly to get geometry.  I hope that makes sense to you.

[terzicZG6MS]

Hi @WCrihfield.

It works! Thank you very much!