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2014/10/16 ¤W¤È 12:01:59
jquery Programming Glossary: arcHow to make the text write in counterclockwise direction http://stackoverflow.com/questions/12312752/how-to-make-the-text-write-in-counterclockwise-direction radians var radius 150 drawTextAlongArc context Text along arc path centerX centerY radius angle draw circle underneath text.. centerY radius angle draw circle underneath text context.arc centerX centerY radius 10 0 2 Math.PI false context.stroke I.. just change this line drawTextAlongArc context Text along arc path centerX centerY radius angle last argument changed to angle..
raphael.js - converting pie graph to donut graph http://stackoverflow.com/questions/7972347/raphael-js-converting-pie-graph-to-donut-graph circle cx cy M cx cy draw a line until the edge where the arc will start x1 y1 L x1 y1 draw an arc based on some mathematical.. the edge where the arc will start x1 y1 L x1 y1 draw an arc based on some mathematical calculations A r r 0 endAngle startAngle.. path is composed. You need to have a path composed of 2 arcs inside and outside and 2 lines to complete it. So first you..
How to make the text write in counterclockwise direction http://stackoverflow.com/questions/12312752/how-to-make-the-text-write-in-counterclockwise-direction 2 var centerY canvas.height 30 var angle Math.PI 0.8 radians var radius 150 drawTextAlongArc context Text along arc path centerX centerY radius angle draw circle underneath text context.arc centerX centerY radius 10 0 2 Math.PI false context.stroke.. 150 drawTextAlongArc context Text along arc path centerX centerY radius angle draw circle underneath text context.arc centerX centerY radius 10 0 2 Math.PI false context.stroke I want to text to appear like this in counter clockwise javascript.. your text backwards in a counter clockwise direction you'd just change this line drawTextAlongArc context Text along arc path centerX centerY radius angle last argument changed to angle the text is going to be backwards though as you would expect...
raphael.js - converting pie graph to donut graph http://stackoverflow.com/questions/7972347/raphael-js-converting-pie-graph-to-donut-graph of the pie is created is like this move to the center of the circle cx cy M cx cy draw a line until the edge where the arc will start x1 y1 L x1 y1 draw an arc based on some mathematical calculations A r r 0 endAngle startAngle 180 0 x2 y2 draw.. to the center of the circle cx cy M cx cy draw a line until the edge where the arc will start x1 y1 L x1 y1 draw an arc based on some mathematical calculations A r r 0 endAngle startAngle 180 0 x2 y2 draw a line back to the middle of the circle.. ready. In order to create the donut you need to modify how the path is composed. You need to have a path composed of 2 arcs inside and outside and 2 lines to complete it. So first you need to find the starting point for the path based on the radius..
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