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Drawing to scale and display properties

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Drawing to scale and display properties

Subject: Drawing to scale and display properties
From: Robert Tillyard <email@hidden>
Date: Sun, 4 Sep 2005 00:44:54 +0100

I'm trying to draw data from a GPS device but my routes are squished as 10 vertical pixels are not the same as 10 horizontal pixels.

Are there any system calls I can make in my NSView drawRect to query the display and find out how to scale my drawing to make it correct both horizontally and vertically?

Thanks, Regards, Rob.

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