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multi:: two-focus projections

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Zeno Rogue
2022-03-27 14:32:29 +02:00
parent a6cbedc944
commit 6d554d6b2e
5 changed files with 65 additions and 17 deletions
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21
hypgraph.cpp
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@@ -947,6 +947,9 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
if(pmodel == mdJoukowskyInverted) {
ld r2 = sqhypot_d(2, ret);
if(pconf.dualfocus_autoscale)
ret *= (1-pconf.model_transition) / 2;
ret[0] = ret[0] / r2;
ret[1] = -ret[1] / r2;
move_y_to_z(ret, yz);
@@ -1315,11 +1318,18 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
}
case mdPanini: {
find_zlev(H);
models::apply_orientation_yz(H[1], H[2]);
models::apply_orientation(H[0], H[1]);
ld proh = sqrt(H[2]*H[2] + curvature() * H[0] * H[0]);
H /= proh;
H /= (H[2] + pconf.alpha);
ret = H;
ret[2] = 0; ret[3] = 1;
models::apply_orientation(ret[1], ret[0]);
models::apply_orientation_yz(ret[2], ret[1]);
break;
}
@@ -1998,6 +2008,17 @@ EX void centerpc(ld aspd) {
spinEdge(aspd);
}
if(set_multi && multi::two_focus) {
pconf.model_orientation = atan2(multi_point) / degree;
auto& d = pconf.twopoint_param;
d = hdist0(multi_point);
if(among(pmodel, mdJoukowsky, mdJoukowskyInverted)) {
pconf.model_orientation += 90;
pconf.model_transition = sinh(d) / (1 + cosh(d));
pconf.dualfocus_autoscale = true;
}
}
ors::rerotate(W); ors::rerotate(cwtV.T); ors::rerotate(View);
}