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I’m using sendcommand to draw various shapes in autocad.
the problem is my application (wpf) uses pixel units while autocad uses inches by default.
how can I change autocad units to pixel programmatically?
thanks in advance.
The AutoCAD units represent “real world” distances, and pixels represent “on screen” distances. You need to decide what real world distance a pixel should equate to inside your dwg.
If you want the exact same size on screen you need to take into account zoom settings and so-on, and I wouldn’t hold much hope of getting it all that accurate.
I would also avoid imperial measurements like the plague, especially for what you’re doing. Set your AutoCAD to work with metric units unless you really must use imperial.
It seems a pretty trivial choice so I’d go for a very “linear” ratio for pixel to unit, like 1:1 or 1:100 and then play with the zoom.