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adding some clusterless decoding code from kenny
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| function rgb = vals2rgb(vals, colormap, crange) | ||
| % Take in a vector of N values and return and return a Nx3 matrix of RGB | ||
| % values associated with a given colormap | ||
| % | ||
| % rgb = AFQ_vals2colormap(vals, [colormap = 'jet'], [crange]) | ||
| % | ||
| % Inputs: | ||
| % vals = A vector of values to map to a colormap or a cell array of | ||
| % vectors of values | ||
| % colormap = A matlab colormap. Examples: colormap = 'autumn'; | ||
| % colormap = 'jet'; colormap = 'hot'; | ||
| % crange = The values to map to the minimum and maximum of the colormap. | ||
| % Defualts to the full range of values in vals. | ||
| % | ||
| % Outputs: | ||
| % rgb = Nx3 matrix of rgb values mapping each value in vals to the | ||
| % corresponding rgb colors. If vals is a cell array then rgb | ||
| % will be a cell array of the same length | ||
| % | ||
| % Example: | ||
| % vals = rand(1,100); | ||
| % rgb = AFQ_vals2colormap(vals, 'hot'); | ||
| % | ||
| % Copyright Jason D. Yeatman, June 2012 | ||
|
|
||
| if ~exist('colormap','var') || isempty(colormap) | ||
| colormap = 'jet'; | ||
| end | ||
|
|
||
| % | ||
| if ~iscell(vals) | ||
| if ~exist('crange','var') || isempty(crange) | ||
| crange = [min(vals) max(vals)]; | ||
| end | ||
| % Generate the colormap | ||
| cmap = eval([colormap '(256)']); | ||
| % Normalize the values to be between 1 and 256 | ||
| vals(vals < crange(1)) = crange(1); | ||
| vals(vals > crange(2)) = crange(2); | ||
| valsN = round(((vals - crange(1)) ./ diff(crange)) .* 255)+1; | ||
| % Convert any nans to ones | ||
| valsN(isnan(valsN)) = 1; | ||
| % Convert the normalized values to the RGB values of the colormap | ||
| rgb = cmap(valsN, :); | ||
| elseif iscell(vals) | ||
| if ~exist('crange','var') || isempty(crange) | ||
| crange = [min(vertcat(vals{:})) max(vertcat(vals{:}))]; | ||
| end | ||
| % Generate the colormap | ||
| cmap = eval([colormap '(256)']); | ||
| for ii = 1:length(vals) | ||
| % Normalize the values to be between 1 and 256 for cell ii | ||
| valsN = vals{ii}; | ||
| valsN(valsN < crange(1)) = crange(1); | ||
| valsN(valsN > crange(2)) = crange(2); | ||
| valsN = round(((valsN - crange(1)) ./ diff(crange)) .* 255)+1; | ||
| % Convert any nans to ones | ||
| valsN(isnan(valsN)) = 1; | ||
| % Convert the normalized values to the RGB values of the colormap | ||
| rgb{ii} = cmap(valsN, :); | ||
| end | ||
| end | ||
| return |
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