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3 michaesp 1
 
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function c_map = col_scale (dat_values,d_map);
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% Handling of irregularly spaced color tables
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% Init the label strings and output values
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for i=1:length(dat_values)
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  c_map.label(i) = cellstr(num2str(dat_values(i))); 
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end
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c_map.values=dat_values;
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c_map.xtick=linspace(0,1,length(dat_values));
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c_map.caxis=[ min(c_map.xtick) max(c_map.xtick) ];
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% Get the transformation 
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%pp=spline(dat_values,[ 0 c_map.xtick 0]);
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pp = interp1(dat_values,c_map.xtick,'linear','pp');
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% Scale the output array
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c_map.data=d_map;
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c_map.data( c_map.data < min(dat_values) ) = min(dat_values);
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c_map.data( c_map.data > max(dat_values) ) = max(dat_values);
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c_map.data = ppval(c_map.data,pp);
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c_map.testx = linspace(min(c_map.values),max(c_map.values),100);
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c_map.testy = ppval(c_map.testx,pp);
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