11.112 Sample ‘schemes

Example of popular color schemes.

MGL code:

new x 100 100 'x':new y 100 100 'y'
call 'sch' 0 'kw'
call 'sch' 1 '%gbrw'
call 'sch' 2 'kHCcw'
call 'sch' 3 'kBbcw'
call 'sch' 4 'kRryw'
call 'sch' 5 'kGgew'
call 'sch' 6 'BbwrR'
call 'sch' 7 'BbwgG'
call 'sch' 8 'GgwmM'
call 'sch' 9 'UuwqR'
call 'sch' 10 'QqwcC'
call 'sch' 11 'CcwyY'
call 'sch' 12 'bcwyr'
call 'sch' 13 'bwr'
call 'sch' 14 'wUrqy'
call 'sch' 15 'UbcyqR'
call 'sch' 16 'BbcyrR'
call 'sch' 17 'bgr'
call 'sch' 18 'BbcyrR|'
call 'sch' 19 'b{g,0.3}r'
stop
func 'sch' 2
subplot 2 10 $1 '<>_^' 0.2 0:surfa x y $2
text 0.07+0.5*mod($1,2) 0.92-0.1*int($1/2) $2 'A'
return

C++ code:

void smgl_schemes(mglGraph *gr)	// Color table
{
	mglData a(256,2), b(256,2);	a.Fill(-1,1);	b.Fill(-1,1,'y');
	gr->SubPlot(2,10,0,NULL,0.2);	gr->Dens(a,"kw");		gr->Puts(0.07, 0.92, "kw", "A");
	gr->SubPlot(2,10,1,NULL,0.2);	gr->SurfA(a,b,"%gbrw");	gr->Puts(0.57, 0.92, "%gbrw", "A");
	gr->SubPlot(2,10,2,NULL,0.2);	gr->Dens(a,"kHCcw");	gr->Puts(0.07, 0.82, "kHCcw", "A");
	gr->SubPlot(2,10,3,NULL,0.2);	gr->Dens(a,"kBbcw");	gr->Puts(0.57, 0.82, "kBbcw", "A");
	gr->SubPlot(2,10,4,NULL,0.2);	gr->Dens(a,"kRryw");	gr->Puts(0.07, 0.72, "kRryw", "A");
	gr->SubPlot(2,10,5,NULL,0.2);	gr->Dens(a,"kGgew");	gr->Puts(0.57, 0.72, "kGgew", "A");
	gr->SubPlot(2,10,6,NULL,0.2);	gr->Dens(a,"BbwrR");	gr->Puts(0.07, 0.62, "BbwrR", "A");
	gr->SubPlot(2,10,7,NULL,0.2);	gr->Dens(a,"BbwgG");	gr->Puts(0.57, 0.62, "BbwgG", "A");
	gr->SubPlot(2,10,8,NULL,0.2);	gr->Dens(a,"GgwmM");	gr->Puts(0.07, 0.52, "GgwmM", "A");
	gr->SubPlot(2,10,9,NULL,0.2);	gr->Dens(a,"UuwqR");	gr->Puts(0.57, 0.52, "UuwqR", "A");
	gr->SubPlot(2,10,10,NULL,0.2);	gr->Dens(a,"QqwcC");	gr->Puts(0.07, 0.42, "QqwcC", "A");
	gr->SubPlot(2,10,11,NULL,0.2);	gr->Dens(a,"CcwyY");	gr->Puts(0.57, 0.42, "CcwyY", "A");
	gr->SubPlot(2,10,12,NULL,0.2);	gr->Dens(a,"bcwyr");	gr->Puts(0.07, 0.32, "bcwyr", "A");
	gr->SubPlot(2,10,13,NULL,0.2);	gr->Dens(a,"bwr");		gr->Puts(0.57, 0.32, "bwr", "A");
	gr->SubPlot(2,10,14,NULL,0.2);	gr->Dens(a,"wUrqy");	gr->Puts(0.07, 0.22, "wUrqy", "A");
	gr->SubPlot(2,10,15,NULL,0.2);	gr->Dens(a,"UbcyqR");	gr->Puts(0.57, 0.22, "UbcyqR", "A");
	gr->SubPlot(2,10,16,NULL,0.2);	gr->Dens(a,"BbcyrR");	gr->Puts(0.07, 0.12, "BbcyrR", "A");
	gr->SubPlot(2,10,17,NULL,0.2);	gr->Dens(a,"bgr");		gr->Puts(0.57, 0.12, "bgr", "A");
	gr->SubPlot(2,10,18,NULL,0.2);	gr->Dens(a,"BbcyrR|");	gr->Puts(0.07, 0.02, "BbcyrR|", "A");
	gr->SubPlot(2,10,19,NULL,0.2);	gr->Dens(a,"b{g,0.3}r");		gr->Puts(0.57, 0.02, "b\\{g,0.3\\}r", "A");
}

Sample schemes