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Code Issues Releases Wiki Activity

new pmodel: Central Inversion (for Euclidean)

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This commit is contained in:
Zeno Rogue 2019-07-03 04:53:56 +02:00
parent 15a9b6135b
commit fc43a4716b
5 changed files with 15 additions and 2 deletions
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1
classes.cpp
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@ -589,6 +589,7 @@ const modelinfo models[int(mdPolynomial)+1] = {
{X3("spiral/ring"), mf::hyper_or_torus | mf::quasiband},
{X3("native perspective"), 0},
{X3("azimuthal equi-volume"), mf::azimuthal | mf::equivolume | mf::euc_boring},
{X3("central inversion"), mf::azimuthal | mf::conformal},
{X3(""), 0},
{X3(""), 0},
{X3(""), 0},

2
classes.h
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@ -260,7 +260,7 @@ enum eModel {
mdHemisphere, mdBandEquidistant, mdBandEquiarea, mdSinusoidal, mdTwoPoint,
mdFisheye, mdJoukowsky, mdJoukowskyInverted,
mdRotatedHyperboles, mdSpiral, mdPerspective,
mdEquivolume,
mdEquivolume, mdCentralInversion,
mdGUARD, mdUnchanged, mdHyperboloidFlat, mdPolynomial, mdRug, mdFlatten
};

3
conformal.cpp
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@ -635,6 +635,7 @@ namespace conformal {
if(DIM == 2 && pm == mdPerspective) return false;
if(DIM == 2 && pm == mdEquivolume) return false;
if(DIM == 3 && among(pm, mdBall, mdHyperboloid, mdFormula, mdPolygonal, mdRotatedHyperboles, mdSpiral, mdHemisphere)) return false;
if(pm == mdCentralInversion && !euclid) return false;
return true;
}
@ -751,7 +752,7 @@ namespace conformal {
eModel m = eModel(i);
if(m == mdFormula && ISMOBILE) continue;
if(model_available(m)) {
dialog::addBoolItem(get_model_name(m), pmodel == m, "0123456789!@#$%^&*()]" [m]);
dialog::addBoolItem(get_model_name(m), pmodel == m, "0123456789!@#$%^&*()]['" [m]);
dialog::add_action([m] () {
if(m == mdFormula) {
edit_formula();

2
drawing.cpp
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@ -958,6 +958,7 @@ void dqi_poly::draw() {
if(pmodel == mdJoukowskyInverted && vid.skiprope) can_have_inverse = true;
if(pmodel == mdDisk && hyperbolic && vid.alpha <= -1) can_have_inverse = true;
if(pmodel == mdSpiral && vid.skiprope) can_have_inverse = true;
if(pmodel == mdCentralInversion) can_have_inverse = true;
if(can_have_inverse && !(poly_flags & POLY_ISSIDE)) {
@ -966,6 +967,7 @@ void dqi_poly::draw() {
else {
if(d < 0) poly_flags ^= POLY_INVERSE;
if(pmodel == mdCentralInversion) poly_flags ^= POLY_INVERSE;
compute_side_by_area();
}

9
hypgraph.cpp
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@ -309,6 +309,15 @@ void applymodel(hyperpoint H, hyperpoint& ret) {
return;
}
case mdCentralInversion: {
ld tz = get_tz(H);
for(int d=0; d<DIM; d++) ret[d] = H[d] / tz;
ld r = 0;
for(int d=0; d<DIM; d++) r += ret[d]*ret[d];
for(int d=0; d<DIM; d++) ret[d] /= r;
return;
}
case mdHalfplane: {
// Poincare to half-plane