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rogueviz::embeddings:: mark_signposts_subg

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This commit is contained in:
Zeno Rogue 2021-07-21 10:51:06 +02:00
parent 8b3ea9031a
commit cc18251160
2 changed files with 26 additions and 0 deletions
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19
rogueviz/embeddings.cpp
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@ -113,6 +113,25 @@ void mark_signposts(bool full, const vector<cell*>& ac) {
signposts.push_back(c);
}
/** special signposts */
void mark_signposts_subg(int a, int b, const vector<cell*>& ac) {
etype = eSignpost;
println(hlog, "marking bitrunc signposts");
signposts.clear();
int maxd = 0;
if(!bounded)
for(cell *c: ac) maxd = max(celldist(c), maxd);
for(cell *c: ac) {
auto li = gp::get_local_info(c);
auto rel = li.relative * gp::loc(a, b);
auto rel2 = rel * gp::param.conj();
rel2 = rel2 / (gp::param * gp::param.conj()).first;
if(rel2 * gp::param == rel)
signposts.push_back(c);
}
}
/** rug embedding */
map<cell*, hyperpoint> rug_coordinates;

7
rogueviz/kohonen.h
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@ -70,6 +70,10 @@ bool finished();
vector<cell*> gen_neuron_cells();
neuron& winner(int id);
double vdot(const kohvec& a, const kohvec& b);
void vshift(kohvec& a, const kohvec& b, ld i);
double vnorm(kohvec& a, kohvec& b);
}
namespace embeddings {
@ -81,12 +85,15 @@ using kohonen::alloc;
enum embedding_type { eProjection, eNatural, eLandscape, eSignpost, eHypersian };
extern embedding_type etype;
void mark_signposts(bool full, const vector<cell*>& ac);
void mark_signposts_subg(int a, int b, const vector<cell*>& ac);
void generate_rug(int i, bool close);
void init_landscape(int dimensions);
extern map<cell*, hyperpoint> rug_coordinates;
extern void get_coordinates(kohvec& v, cell *c, cell *c0);
extern vector<cell*> signposts;
}
}