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Forum:
Visual FoxPro
Catégorie:
Gestionnaire d'écran & Écrans
Versions des environnements
Visual FoxPro:
VFP 9
OS:
Windows XP SP2
Divers
Thread ID:
00960228
Message ID:
00963585
Vues:
10
>I made an interesting discovery in playing with the PolyPoints. I'm not sure why, but I thought they were an absolute measurement, like pixels or something. Turns out they're a percentage of the size of the shape dimensions. Made an analog clock just to play around with them a bit and the rotation.
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>
>Found the same to be true myself. Also, found an interesting anomoly. 0,0 is the upper left corner of the shape, and 0, 100 is X 0 and y -100. The y coordinates, even though positive, are interpolated as negative. This is not what I learned in trigonometry.
>
>Thanks for the input.
>
>DJ

I had worked on a system that integrated camera, digitizers, X/Y tables, etc. Of all of the components in the system, 7 of the 8 possible orientations for X/Y were represented and had to be constantly translated into a common layout. Talk about keeping your head spinning...
Fred
Microsoft Visual FoxPro MVP

foxcentral.net
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