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Added Custom Colormap Support

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This commit is contained in:
Chinmay Pandhare
2017-07-13 02:23:51 +05:30
parent da9b7864b0
commit 030f43d3b3
1 changed files with 4 additions and 1 deletions
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5
src/modules/SegmentedColormap.js
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@@ -3,6 +3,9 @@ module.exports = function SegmentedColormap(options) {
options = options || {};
options.title = "Segmented Colormap";
options.colormap = options.colormap || "default";
if(typeof(options.colormap) == "object")
options.colormap = segmented_colormap(options.colormap);
else options.colormap = colormaps[options.colormap];
var output;
function draw(input,callback) {
@@ -10,7 +13,7 @@ module.exports = function SegmentedColormap(options) {
function changePixel(r, g, b, a) {
var ndvi = (b - r) / (r + b);
var normalized = (ndvi + 1) / 2;
var res = colormaps[options.colormap](normalized);
var res = options.colormap(normalized);
return [res[0], res[1], res[2], 255];
}
function output(image,datauri,mimetype){