Using javascript with or without Jquery, I need to a create a gradient of colours based on a start and finish color. Is this possible to do programmatically?  The end colour is only ever going to be darker shade of the start colour and it's for...
I was trying to use Raphael JS graphics library. I would like to use the attribute gradient which should accept an object. Documentation says to refer to SVG specs. I found the gradient object in SVG, for instance   <linearGradient id="myFillG...
Is it possible to calculate a color in a middle of a gradient?  var color1 = 'FF0000'; var color2 = '00FF00';  // 50% between the two colors, should return '808000' var middle = gradient(color1, color2, 0.5);    I only have tw...
I am experimenting on this color control panel where a user can change the look and feel of the page using a slide in control panel. An added complexity is that the slide-in panel is in parent window where as the page that the changes are made to is...
I'm trying to interpolate between two colours in HSV colour space to produce a smooth colour gradient.  I'm using a linear interpolation, eg:  h = (1 - p) * h1 + p * h2 s = (1 - p) * s1 + p * s2 v = (1 - p) * v1 + p * v2   (where p is the per...
How to draw a circle with gradient color? Say, a gradient from yellow to blue.  Normally, to create a circle in yellow we can use the following code:  var cdata=[50,40]; var xscale=40; var xspace =50; var yscale=70;  var svg = d3.select("body"...
Microsoft provide an excellent SVG gradient maker so IE9 can also have "CSS3" gradients (click Custom).  I currently utilise their logic for my Fireworks and Dreamweaver extensions to convert gradients to SVG, but I only know how to do it for...
In this D3 diagram, the circles are filled with radial gradients, and changing opacity is used for fading in and fading out:      var width = 400,     height = 400,     padding = 1.5, // separation between same-color nodes     clusterPadding = 6, //...
I need to draw a dynamic donut chart - something similar to -  http://194.90.28.56/~dev1/t.jpg   The green part indicates the percentage (in this case 27%) - it must be dynamic.   I think I need to do something like - Android - How to draw an arc bas...
I have been experimenting with HTML5 and gradient fades, I would like to use 3 colours and gradually fade them into each other. Currently I can only get it working using two colours.  jsFiddle  My target is something similar to this image:     The co...

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