AutoCAD .NET
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It's been a hectic week and I haven't been able to find much time to work on a final post for today, so I had a quick delve in my "interesting" folder and found this little gem. Not long ago, someone asked me by email about the reason for making the various co-ordinate properties (X/Y/Z) […]
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A developer had an interesting requirement that I thought I'd spend some time looking at: to animate transient graphics inside AutoCAD according to data they've pulled in from an external simulation system. It's clear that AutoCAD is really not an animation platform – we have other products that are better suited to working in this […]
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This question came in recently by email: I have reached a snag when trying to find the boundaries of external references that have been "xclipped" by the user. Or, to be more precise, I can't even really find the data telling me whether or not the external reference has been "xclipped" at all. I'm wondering […]
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In the last post, we introduced some code to generate transient graphics using WorldGeometry.Shell(). In this post we'll make one simple addition: we'll add per-vertex colours, to see the effect on the generated box. We're not going to perform complex calculations to determine the appropriate colours for each vertex: we'll just use the index of […]
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Since posting about the ability to display transient graphics as an ongoing feature that can react to mouse input, I've been thinking of the steps that would be needed to generate a custom gizmo comparable with AutoCAD's viewcube. The post starts to go in that direction by displaying a couple of types of transient graphics […]
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Many, many thanks to Massimo Cicognani for contributing the code in today's post. Massimo contacted me as he was working through some issues with his implementation and then kindly offered to share it with this blog's readers. We've looked at a few different types of overrule on this blog, in the past, and even taken […]
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This question came in by email, last week: I'm trying to reverse the direction of a polyline thought the API, but I didn't find something in the documentation nor in the web. (Even nothing on your blog.) Can you help me? I also didn't find anything in the public API, although that doesn't mean there […]
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An interesting question came in via email from Rob Outman. He's interested in applying a selection filter when the user selects dynamic blocks. This is straightforward for unmodified dynamic blocks – just as with standard blocks, you can filter on the block name very easily – but it works less well on dynamic blocks whose […]
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This is a really interesting topic. At least I think it is – hopefully at least some of you will agree. 🙂 The requirement was to create selectable – or at least manipulatable – transient graphics inside AutoCAD's drawing canvas. As many of you are probably aware, transient graphics are not hooked into AutoCAD's selection […]
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After the first three parts of this series covered the basic jig that makes use of the standard keywords mechanism to adjust text's style and rotation as it's being placed, it eventually made sense to implement the remaining requirement initially provided for the jig: this post looks at different approaches for having the jig respond […]