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fully turnable product spaces

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Zeno Rogue
2019-08-18 01:31:37 +02:00
parent 52f19a26a8
commit 00f4f4fca5
10 changed files with 63 additions and 35 deletions
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nonisotropic.cpp
+20 -5
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@@ -12,7 +12,7 @@ EX namespace nisot {
EX transmatrix local_perspective;
#if HDR
inline bool local_perspective_used() { return nonisotropic; }
inline bool local_perspective_used() { return nonisotropic || prod; }
#endif
EX bool geodesic_movement = true;
@@ -582,7 +582,8 @@ EX namespace product {
heptagon *getOrigin() override { return underlying_map->getOrigin(); }
template<class T> auto in_underlying(const T& t) {
pcgip = cgip; pmap = this;
pcgip = cgip;
dynamicval<hrmap*> gpm(pmap, this);
dynamicval<eGeometry> g(geometry, underlying);
dynamicval<geometry_information*> gc(cgip, underlying_cgip);
dynamicval<hrmap*> gu(currentmap, underlying_map);
@@ -638,10 +639,10 @@ EX namespace product {
return mscale(get_corner_position(c, i), exp(plevel * z/2));
}
EX hyperpoint where(hyperpoint h) {
EX hyperpoint inverse_exp(hyperpoint h) {
hyperpoint res;
res[2] = zlevel(h);
h = mscale(h, exp(-res[2]));
h = zshift(h, -res[2]);
ld r = hypot_d(2, h);
if(r < 1e-6 || h[2] < 1) {
res[0] = h[0];
@@ -655,6 +656,16 @@ EX namespace product {
return res;
}
EX hyperpoint direct_exp(hyperpoint h) {
hyperpoint res;
ld d = hypot_d(2, h);
ld cd = d == 0 ? 0 : sinh(d) / d;
res[0] = h[0] * cd;
res[1] = h[1] * cd;
res[2] = cosh(d);
return zshift(res, h[2]);
}
EX void in_underlying_map(const reaction_t& f) {
((hrmap_product*)currentmap)->in_underlying(f);
}
@@ -762,7 +773,11 @@ EX namespace nisot {
return parallel_transport_bare(P, T);
}
EX transmatrix transport_view(const transmatrix T, const transmatrix V) {
EX transmatrix transport_view(const transmatrix T, const transmatrix LPe, const transmatrix V) {
if(prod) {
hyperpoint h = product::direct_exp(inverse(LPe) * product::inverse_exp(tC0(T)));
return rgpushxto0(h) * V;
}
if(!geodesic_movement) {
transmatrix IV = inverse(V);
nisot::fixmatrix(IV);