AutoCAD .NET :: Selecting Closed Polylines With Linetype Generation Enabled?

Sep 5, 2013

I have a piece of code that needs closed polylines.

I use the following selectionfilter to filter the selection so I can only select closed polylines:

Dim sf As New SelectionFilter(New TypedValue() {New TypedValue(0, "LWPOLYLINE"), New TypedValue(70, 1)})
Today I noticed that in some drawings this filter won't select all the closed polylines for me.

After some experimenting I found the 'linetype generation' property of the polylines to be the problem. If this is enabled the above filter will not let me select a closed polyline. If I disable it, there is no problem.

How can I make my code for selecting closed polylines more robust? Is there a 'TypedValue' for closed polylines with the linetype generation enabled?

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AutoCAD 2013 :: Line Type Generation With 2D Polylines?

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Mar 21, 2013

I need to segregate closed polylines in my drawing by area range. Ideally, I would input the number of ranges I need.

Then somehow find the smallest and largest pline area to determine the range values (rounding up to a sensble number)

Then with the ranges determined the polylines would be segregated and moved to new layers.

I've been trying to hobble together pieces but with no joy.

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Jan 2, 2014

As the above mentioned, I have a drawing drawn using polylines with width from someone. The width of the line are suppose to represent area,

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The polyline is 10 unit long and with a width of 2 unit wide. If i explode that polyline, it will become a single polyline without width. The line are suppose to represent 10 unit long and 2 unit wide; representing an area.

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I've attached the file I'm working on. The polyline in question is the green outline on the object on the right.

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I'm in the process of porting my plugin to CS6 (was on CS3 SDK) on Windows and I have encountered an issue with thumbnail generation. The plugin will pick the selected art content and generate a thumbnail with AIArtSet, AIRasterize and AIRasterSuite. This code had been working on CS3, CS4 and CS5, both Mac and Windows.
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