void pgplot::ColourMap::apply ()
{
int itf = 0;
if (logarithmic)
itf = 1;
cpgsitf (itf);
switch (name) {
case GreyScale: {
float grey_l[] = { 0.0, 1.};
float grey_r[] = { 0.0, 1.};
float grey_g[] = { 0.0, 1.};
float grey_b[] = { 0.0, 1.};
cpgctab (grey_l, grey_r, grey_g, grey_b, 2, contrast, brightness);
break;
}
case Inverse: {
float grey_l[] = { 0.0, 1.0};
float grey_r[] = { 1.0, 0.0};
float grey_g[] = { 1.0, 0.0};
float grey_b[] = { 1.0, 0.0};
cpgctab (grey_l, grey_r, grey_g, grey_b, 2, contrast, brightness);
break;
}
case Heat: {
float heat_l[] = {0.0, 0.2, 0.4, 0.6, 1.0};
float heat_r[] = {0.0, 0.5, 1.0, 1.0, 1.0};
float heat_g[] = {0.0, 0.0, 0.5, 1.0, 1.0};
float heat_b[] = {0.0, 0.0, 0.0, 0.3, 1.0};
cpgctab (heat_l, heat_r, heat_g, heat_b, 5, contrast, brightness);
break;
}
case Cold: {
float cool_l[] = {0.0, 0.2, 0.4, 0.6, 1.0};
float cool_r[] = {0.0, 0.0, 0.0, 0.3, 1.0};
float cool_g[] = {0.0, 0.0, 0.5, 1.0, 1.0};
float cool_b[] = {0.0, 0.5, 1.0, 1.0, 1.0};
cpgctab (cool_l, cool_r, cool_g, cool_b, 5, contrast, brightness);
break;
}
case Plasma: {
float cool_l[] = {0.0, 0.2, 0.4, 0.6, 1.0};
float cool_r[] = {0.0, 0.0, 0.5, 1.0, 1.0};
float cool_g[] = {0.0, 0.0, 0.0, 0.3, 1.0};
float cool_b[] = {0.0, 0.5, 1.0, 1.0, 1.0};
cpgctab (cool_l, cool_r, cool_g, cool_b, 5, contrast, brightness);
break;
}
case Forest: {
float cool_l[] = {0.0, 0.4, 0.7, 0.9, 1.0};
float cool_r[] = {0.0, 0.0, 0.0, 0.3, 1.0};
float cool_g[] = {0.0, 0.5, 1.0, 1.0, 1.0};
float cool_b[] = {0.0, 0.0, 0.5, 1.0, 1.0};
cpgctab (cool_l, cool_r, cool_g, cool_b, 5, contrast, brightness);
break;
}
case AlienGlow: {
float test_l[] = { 0.0, 0.1, 0.1, 0.2, 0.2, 0.3, 0.3, 0.4, 0.4, 0.5,
0.5, 0.6, 0.6, 0.7, 0.7, 0.8, 0.8, 0.9, 0.9, 1.};
float test_r[] = { 0.0, 0.0, 0.3, 0.3, 0.5, 0.5, 0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.};
float test_g[] = { 0.0, 0.0, 0.3, 0.3, 0.0, 0.0, 0.0, 0.0, 0.8, 0.8,
0.6, 0.6, 1.0, 1.0, 1.0, 1.0, 0.8, 0.8, 0.0, 0.};
float test_b[] = { 0.0, 0.0, 0.3, 0.3, 0.7, 0.7, 0.7, 0.7, 0.9, 0.9,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.};
cpgctab (test_l, test_r, test_g, test_b, 20, contrast, brightness);
break;
}
case Test: {
float test_l[] = { -0.5, 0.0, 0.17, 0.33, 0.50, 0.67, 0.83, 1.0, 1.7};
float test_r[] = { 0.0, 0.0, 0.0, 0.0, 0.6, 1.0, 1.0, 1.0, 1.};
float test_g[] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.6, 0.0, 1.};
float test_b[] = { 0.0, 0.3, 0.8, 1.0, 0.3, 0.0, 0.0, 0.0, 1.};
cpgctab (test_l, test_r, test_g, test_b, 9, contrast, brightness);
break;
}
} // end switch (name)
}
/* set image transfer function */
static void _pgsitf (int *i)
{
cpgsitf (*i);
}