Active Contributor
Posts: 46
Registered: ‎09-04-2012
Message 1 of 2 (240 Views)

Block Reference Hatch - Deleting loops within a Hatch

240 Views, 1 Replies
02-22-2013 02:51 PM

Hello all!


I want to be able to add a Block Reference to a hatch.

I'm adding the block reference to an ObjectIdCollection and the hatch is not taking it when using AddLoop().

So I thought maybe I needed to add the location of the polyline (curve-like) object that is member of the blockreference to the hatch, but I don't know how to get its ObjectId.


Hatch thisHatch = new Hatch();
thisHatch.Layer = layerName;
thisHatch.SetHatchPattern(patternType, patterName);
thisHatch.Color = Color.FromColorIndex(ColorMethod.ByColor, colorIndex);
thisHatch.Transparency = new Transparency((Byte)(255 * (100 - 60) / 100));

transaction.AddNewlyCreatedDBObject(thisHatch, true);

thisHatch.Associative = true;
ObjectIdCollection newOIC1 = new ObjectIdCollection();
thisHatch.AppendLoop(HatchLoopTypes.Default, newOIC1);
ObjectIdCollection newOIC2 = new ObjectIdCollection();
thisHatch.AppendLoop(HatchLoopTypes.External, newOIC2);
ObjectIdCollection newOIC3 = new ObjectIdCollection();



Also, I'm trying to delete certain HatchLoop that is associated to a polyline but I don't know how to do it. I'm going through the loops in the hatch but I don't know what to do there. I wanna do this so I create a new and different hatch on top.

I think one could also copy all the loops except the one one wants to delete, but I'm not sure how to tell which one is the one I want to delete that is the one associated to a polyline or that is in certain region.


Thanks in advance.



Posts: 1,398
Registered: ‎04-09-2008
Message 2 of 2 (196 Views)

Re: Block Reference Hatch - Deleting loops within a Hatch

02-25-2013 06:42 AM in reply to: DouceDeux

You can clone polyline, transform it with BlockReference.BlockTransform matrix and use this clone as a hatch loop.

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