jnkather

% JN Kather 2015
% sorts a vector of hex colors by hue
% dependencies: needs functions rgb2hex and hex2rgb

dataDir = 'input/data/';

% read color vector
colorList = readtable(strcat(dataDir,'/custom_color_list3.txt'),... 
         'ReadVariableNames',false); 
     

jnkather

% JN Kather, 2015
% Show the RGB gamut in RGB space and CIELAB space, then
% rotate the cubes and save the frames as image files to 
% a subfolder ./output

% set parameters
turns = 1; % how often should the viewpoint turn, default 1
balls = 70; % how many balls to plot
nSteps = 40; % how many viewpoints?, default 40
saveOutput = false; % save output to files? default false

jnkather

function showTree( x,y,scale,varargin )
    
    xsize = 0.01*scale;
    ysize = 0.03*scale;
    radius = 0.03*scale;
    
    treeColor = [0,150,10]/255;
    % override tree color
    if nargin>3
        treeColor = varargin{1}

jnkather

% requires showTree.m

% --- create data
nObj = 100;
rng(3);
scale = 100;
data = rand(nObj,2)*scale;

% --- set up parameters
saveOutput = true;

jnkather

IMpath = 'C:\folder\input\'; % specify input/output folder
allImgs = {'filename1.tif',...
'filename2.tif'}; % specify filenames

% iterate through all images
for i=1:numel(allImgs)
	fun = @(block_struct) imresize(block_struct.data,0.1);	
  imgOut = blockproc([IMpath,char(allImgs{i})],...
                                       [1000 1000],fun,...
                                       'UseParallel',true,...

jnkather

% (c) JN Kather 2015

function hex = rgb2hex(rgb)

% expects a vector of three elements of RGB color values between 0 and 1.
% Returns a string containing the hex code of the color.

    r = uint8(rgb(1)*255);
    g = uint8(rgb(2)*255);
    b = uint8(rgb(3)*255);