breaking change!! hue range now 0-1 to 0-100

this only made sense since the other ranges are similar

Author: wspr

colourscale.m

@@ -6,17 +6,17 @@
 %  intensities for a given colour hue.
 %
 % COLOURSCALE(...,'hue',H)
-%  Use hue H for colour scheme (default 0.2).
-%  H is a standard "HSV" hue, from zero to one, where approx.:
-%      H=0.0  - red
-%      H=0.1  - orange
-%      H=0.15 - yellow
-%      H=0.35 - green
-%      H=0.55 - light blue
-%      H=0.6  - dark blue
-%      H=0.75 - purple
-%      H=0.85 - magenta
-%      H=1.0  - red again
+%  Use hue H for colour scheme (default 20).
+%  H is a standard "HSV" hue, from 0 to 100, where approx.:
+%      H =   0 - red
+%      H =  10 - orange
+%      H =  15 - yellow
+%      H =  35 - green
+%      H =  55 - light blue
+%      H =  60 - dark blue
+%      H =  75 - purple
+%      H =  85 - magenta
+%      H = 100 - red again
 %
 % COLOURSCALE(...,'chroma',C)
 %  Use chroma C for colour scheme (default 70).
@@ -79,7 +79,7 @@
 %% Option parsing
 
 p = inputParser;
-p.addOptional('hue',0.2);
+p.addOptional('hue',20);
 p.addOptional('chroma',70);
 p.addOptional('repeat',1);
 p.addOptional('permute',[]);
@@ -145,7 +145,7 @@
 end
 
 hcl = nan(Ncol,3);
-hcl(:,1) = hue*360;
+hcl(:,1) = hue*3.6;
 hcl(:,2) = chroma;
 hcl(:,3) = linspace(lmin,lmax,Ncol)';
 

colourscale_test.m

@@ -9,12 +9,12 @@
 % points per graph:
 p = 20;
 
-% colour: (0-1)
-HUE = 0.1;
+% colour: (0-100)
+HUE = 10;
 CHROMA = 60;
 
 % linewidths:
-LW = [2 4]; % more exaggerated than default
+LW = [0.5 4]; % more exaggerated than default
 
 figure(1)
 for m = 1:M
@@ -37,12 +37,12 @@
 N = 4;
 
 % lines per graph:
-l = 5;
+l = 6;
 
 % points per line:
 p = 20;
 
-hrange = linspace(0,1,M*N+1);
+hrange = linspace(0,100,M*N+1);
 hrange(end) = [];
 
 figure(2)
@@ -53,7 +53,7 @@
     xx = linspace(0,1,p);
     yy = repmat(1:l,[p 1])+rand(p,l);
     plot(xx,yy,'linewidth',2)
-    colourscale('hue',hrange(c),'lumin',[1 99]);
+    colourscale('hue',hrange(c),'lumin',[20 90]);
     title(['H=',num2str(hrange(c))])
     axis tight
   end