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javascript Programming Glossary: centerxjQuery - use canvas to draw lines between divs http://stackoverflow.com/questions/1104295/jquery-use-canvas-to-draw-lines-between-divs In case it's not clear here's how I would code it var centerX findPos document.getElementById 'x' centerX.x document.getElementById.. code it var centerX findPos document.getElementById 'x' centerX.x document.getElementById 'x' .style.width centerX.y document.getElementById.. 'x' centerX.x document.getElementById 'x' .style.width centerX.y document.getElementById 'x' .style.height var centerZ findPos..
SVG donut slice as path element (annular sector) http://stackoverflow.com/questions/11479185/svg-donut-slice-as-path-element-annular-sector below is the function I actually used annularSector centerX centerY startAngle endAngle innerRadius outerRadius startAngle.. startAngle 180 endAngle degreesToRadians endAngle 180 p centerX innerRadius Math.cos startAngle centerY innerRadius Math.sin.. startAngle centerY innerRadius Math.sin startAngle centerX outerRadius Math.cos startAngle centerY outerRadius Math.sin..
How to make the text write in counterclockwise direction http://stackoverflow.com/questions/12312752/how-to-make-the-text-write-in-counterclockwise-direction counter clockwise function drawTextAlongArc context str centerX centerY radius angle context.save context.translate centerX.. centerY radius angle context.save context.translate centerX centerY context.rotate 1 angle 2 context.rotate 1 angle str.length.. blue context.strokeStyle blue context.lineWidth 4 var centerX canvas.width 2 var centerY canvas.height 30 var angle Math.PI..
Drawing a circle on the canvas using mouse events http://stackoverflow.com/questions/3814442/drawing-a-circle-on-the-canvas-using-mouse-events ctx.moveTo tool.x0 tool.y0 this.mousemove function ev var centerX Math.max tool.x0 ev._x Math.abs tool.x0 ev._x 2 var centerY..
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