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How to convert the decartes ordinate to screen ordinate ?

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10-21-2004, 08:32 PM	#1 (permalink)
john_tran Registered User Join Date: Oct 2004 Posts: 22	How to convert the decartes ordinate to screen ordinate ? i use BRESENHAM or DDA Algorithm drawing a line, i can't draw with a negative ordinate. How to convert from the decartes ordinate to screen ordinate? Such as : draw a line from (2,3) to (-5,8). Thanks

10-22-2004, 02:49 AM	#2 (permalink)
Valmont [code][/code] enforcer Join Date: Mar 2003 Location: Netherlands Posts: 1,544	* __________________

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