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rogueviz:: alt poincare (disabled)

This commit is contained in:
Zeno Rogue 2022-04-07 20:58:42 +02:00
parent e159eb7b47
commit 0f49333644
1 changed files with 22 additions and 0 deletions
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22
rogueviz/extra-projections.cpp
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@ -159,6 +159,28 @@ void add_extra_projections() {
add_complex("Wagner VI", mf::equiarea | mf::pseudoband, [] (cld& x, cld& y) {
x = x * sqrt(1. - 3. * pow(y/M_PI, 2));
});
/* does the Poincare model work in spherical? -- hint: it does not, as expected */
if(0) add_complex("alt poincare", mf::equiarea | mf::pseudoband, [] (cld& x, cld& y) {
cld i(0, 1);
x /= i;
y /= i;
cld c1(1, 0);
auto ax = cosh(y) * sinh(x);
auto ay = sinh(y);
auto az = cosh(x) * cosh(y);
ax /= (az+c1);
ay /= (az+c1);
ay += c1;
cld z = ax*ax + ay*ay;
ax /= z;
ay /= z;
ay -= c1;
ax *= i;
ay *= i;
x = ax;
y = ay;
});
}
int ar = addHook(hooks_initialize, 100, add_extra_projections);