fixed model flags
This commit is contained in:
Zeno Rogue
parent
2370084b11
commit
631e44f871
86
classes.cpp
86
classes.cpp
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@ -960,7 +960,7 @@ EX vector<geometryinfo> ginf = {
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#if HDR
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namespace mf {
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static const flagtype azimuthal = 1;
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static const flagtype cylindrical = 2;
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static const flagtype cylindrical = 2; /* usually you want 'band' */
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static const flagtype equiarea = 4;
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static const flagtype equidistant = 8;
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static const flagtype conformal = 16;
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@ -968,15 +968,22 @@ namespace mf {
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static const flagtype space = 64;
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static const flagtype hyper_only = 128;
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static const flagtype hyper_or_torus = 256;
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static const flagtype pseudocylindrical = 512; /* includes cylindrical */
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static const flagtype pseudocylindrical = 512; /* includes cylindrical; usually you want 'band' or 'pseudoband' */
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static const flagtype equivolume = 1024;
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static const flagtype twopoint = 2048;
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static const flagtype uses_bandshift = 4096;
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static const flagtype broken = 8192; /* in spherical case, these are broken along the meridian 180 deg */
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static const flagtype technical = 16384; /* don't display in the list */
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static const flagtype product_special = (1<<15);
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static const flagtype axial = (1<<16);
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static const flagtype perspective = (1<<17);
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static const flagtype orientation = (1<<18);
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static const flagtype transition = (1<<19);
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static const flagtype werner = (1<<20);
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static const flagtype horocyclic = (1<<21);
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static const flagtype band = (cylindrical | pseudocylindrical | uses_bandshift);
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static const flagtype pseudoband = (pseudocylindrical | uses_bandshift);
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static const flagtype band = (cylindrical | pseudocylindrical | uses_bandshift | orientation);
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static const flagtype pseudoband = (pseudocylindrical | uses_bandshift | orientation);
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}
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struct modelinfo {
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@ -986,11 +993,6 @@ struct modelinfo {
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flagtype flags;
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int is_azimuthal;
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int is_band;
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int is_equiarea;
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int is_equidistant;
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int is_conformal;
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const char* name;
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};
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@ -1025,16 +1027,16 @@ enum eModel : int {
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// (other bits are used for other information)
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#define X3(x) x, x, x
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#define DEFAULTS 0, 0, 0, 0, 0, nullptr
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#define DEFAULTS nullptr
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/** list of available models (i.e., projections) */
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EX vector<modelinfo> mdinf = {
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{"disk/Gans", "general perspective", "general perspective", mf::azimuthal | mf::conformal, DEFAULTS},
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{"half-plane", "inversion", "stereographic projection [VR]", mf::conformal, DEFAULTS},
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{"band", "band", "Mercator", mf::band | mf::conformal, DEFAULTS},
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{X3("polygonal"), mf::conformal, DEFAULTS},
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{"half-plane", "inversion", "stereographic projection [VR]", mf::conformal | mf::orientation | mf::horocyclic, DEFAULTS},
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{"band", "band", "Mercator", mf::band | mf::conformal | mf::transition, DEFAULTS},
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{X3("polygonal"), mf::conformal | mf::orientation, DEFAULTS},
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{X3("formula"), 0, DEFAULTS},
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{X3("azimuthal equidistant"), mf::azimuthal | mf::equidistant | mf::euc_boring, DEFAULTS},
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{X3("azimuthal equidistant"), mf::azimuthal | mf::equidistant | mf::euc_boring | mf::product_special, DEFAULTS},
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{X3("azimuthal equi-area"), mf::azimuthal | mf::equiarea | mf::euc_boring, DEFAULTS},
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{X3("ball model"), mf::conformal | mf::azimuthal | mf::space, DEFAULTS},
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{"Minkowski hyperboloid", "plane", "sphere", mf::conformal | mf::space | mf::euc_boring, DEFAULTS},
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@ -1042,47 +1044,47 @@ EX vector<modelinfo> mdinf = {
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{X3("band equidistant"), mf::band | mf::equidistant | mf::euc_boring, DEFAULTS},
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{X3("band equi-area"), mf::band | mf::equiarea | mf::euc_boring, DEFAULTS},
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{X3("sinusoidal"), mf::pseudoband | mf::equiarea | mf::euc_boring, DEFAULTS},
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{X3("two-point equidistant"), mf::equidistant | mf::euc_boring | mf::twopoint, DEFAULTS},
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{X3("two-point equidistant"), mf::equidistant | mf::euc_boring | mf::twopoint | mf::orientation, DEFAULTS},
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{X3("fisheye"), 0, DEFAULTS},
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{X3("Joukowsky transform"), mf::hyper_only | mf::conformal, DEFAULTS},
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{X3("Joukowsky+inversion"), mf::hyper_only | mf::conformal, DEFAULTS},
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{X3("rotated hyperboles"), mf::hyper_only, DEFAULTS},
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{X3("spiral/ring"), mf::hyper_or_torus | mf::uses_bandshift, DEFAULTS},
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{X3("native perspective"), 0, DEFAULTS},
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{X3("Joukowsky transform"), mf::hyper_only | mf::conformal | mf::transition | mf::orientation, DEFAULTS},
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{X3("Joukowsky+inversion"), mf::hyper_only | mf::conformal | mf::transition | mf::orientation, DEFAULTS},
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{X3("rotated hyperboles"), mf::hyper_only | mf::orientation, DEFAULTS},
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{X3("spiral/ring"), mf::hyper_or_torus | mf::uses_bandshift | mf::orientation, DEFAULTS},
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{X3("native perspective"), mf::perspective | mf::product_special, DEFAULTS},
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{X3("azimuthal equi-volume"), mf::azimuthal | mf::equivolume | mf::euc_boring, DEFAULTS},
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{X3("central inversion"), mf::azimuthal | mf::conformal, DEFAULTS},
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{X3("two-point azimuthal"), mf::euc_boring | mf::twopoint, DEFAULTS},
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{X3("two-point hybrid"), mf::euc_boring | mf::twopoint, DEFAULTS},
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{X3("geodesic"), 0, DEFAULTS},
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{X3("two-point azimuthal"), mf::euc_boring | mf::azimuthal | mf::twopoint | mf::orientation, DEFAULTS},
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{X3("two-point hybrid"), mf::euc_boring | mf::azimuthal | mf::equidistant | mf::twopoint | mf::orientation, DEFAULTS},
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{X3("geodesic"), mf::perspective | mf::product_special, DEFAULTS},
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{X3("Mollweide"), mf::euc_boring | mf::pseudoband | mf::equiarea, DEFAULTS},
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{X3("central cylindrical"), mf::euc_boring | mf::band, DEFAULTS},
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{X3("Collignon"), mf::pseudoband | mf::equiarea, DEFAULTS},
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{X3("horocyclic coordinates"), mf::euc_boring, DEFAULTS},
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{X3("quadrant coordinates"), mf::euc_boring, DEFAULTS},
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{X3("axial coordinates"), mf::euc_boring, DEFAULTS},
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{X3("anti-axial coordinates"), mf::euc_boring, DEFAULTS},
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{X3("Werner projection"), mf::euc_boring | mf::broken, DEFAULTS}, // keep distances from pole, and distances along parallels
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{X3("Aitoff projection"), mf::euc_boring | mf::broken, DEFAULTS}, // halve longitudes, do azequid, double x
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{X3("Hammer projection"), mf::euc_boring | mf::broken, DEFAULTS}, // halve longitudes, do azequia, double x
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{X3("loximuthal projection"), mf::euc_boring | mf::broken, DEFAULTS}, // map loxodromes azimuthally and equidistantly
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{X3("horocyclic coordinates"), mf::euc_boring | mf::orientation | mf::horocyclic, DEFAULTS},
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{X3("quadrant coordinates"), mf::euc_boring | mf::orientation, DEFAULTS},
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{X3("axial coordinates"), mf::euc_boring | mf::transition | mf::orientation, DEFAULTS},
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{X3("anti-axial coordinates"), mf::euc_boring | mf::orientation, DEFAULTS},
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{X3("Werner projection"), mf::euc_boring | mf::broken | mf::werner | mf::orientation, DEFAULTS}, // keep distances from pole, and distances along parallels
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{X3("Aitoff projection"), mf::euc_boring | mf::broken | mf::orientation, DEFAULTS}, // halve longitudes, do azequid, double x
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{X3("Hammer projection"), mf::euc_boring | mf::broken | mf::orientation, DEFAULTS}, // halve longitudes, do azequia, double x
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{X3("loximuthal projection"), mf::euc_boring | mf::broken | mf::orientation, DEFAULTS}, // map loxodromes azimuthally and equidistantly
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{X3("Miller projection"), mf::euc_boring | mf::band, DEFAULTS}, // scale latitude 4/5 -> Mercator -> 5/4
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{X3("Gall stereographic"), mf::euc_boring | mf::band, DEFAULTS}, // like central cylindrical but stereographic
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{X3("Winkel tripel"), mf::euc_boring | mf::broken, DEFAULTS}, // mean of equirec and Aitoff
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{X3("Poor man's square"), mf::euc_boring, DEFAULTS}, //
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{X3("Panini projection"), mf::euc_boring, DEFAULTS}, //
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{X3("Craig retroazimuthal"), mf::euc_boring | mf::broken, DEFAULTS}, // retroazimuthal cylindrical
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{X3("Littrow retroazimuthal"), mf::euc_boring | mf::broken, DEFAULTS}, // retroazimuthal conformal
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{X3("Hammer retroazimuthal"), mf::euc_boring, DEFAULTS}, // retroazimuthal equidistant
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{X3("three-point equidistant"), mf::euc_boring, DEFAULTS},
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{X3("Lie perspective"), mf::euc_boring, DEFAULTS},
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{X3("Winkel tripel"), mf::euc_boring | mf::broken | mf::orientation, DEFAULTS}, // mean of equirec and Aitoff
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{X3("Poor man's square"), mf::euc_boring | mf::orientation, DEFAULTS}, // https://archive.bridgesmathart.org/2018/bridges2018-59.html
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{X3("Panini projection"), mf::euc_boring | mf::orientation, DEFAULTS},
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{X3("Craig retroazimuthal"), mf::euc_boring | mf::broken | mf::pseudoband, DEFAULTS}, // retroazimuthal cylindrical
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{X3("Littrow retroazimuthal"), mf::euc_boring | mf::broken | mf::pseudoband, DEFAULTS}, // retroazimuthal conformal
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{X3("Hammer retroazimuthal"), mf::euc_boring | mf::pseudoband, DEFAULTS}, // retroazimuthal equidistant
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{X3("three-point equidistant"), mf::euc_boring | mf::equidistant | mf::orientation | mf::product_special | mf::twopoint, DEFAULTS},
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{X3("Lie perspective"), mf::euc_boring | mf::perspective, DEFAULTS},
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{X3("Lie orthogonal"), mf::euc_boring, DEFAULTS},
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{X3("relativistic perspective"), mf::euc_boring, DEFAULTS},
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{X3("relativistic perspective"), mf::euc_boring | mf::perspective, DEFAULTS},
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{X3("relativistic orthogonal"), mf::euc_boring, DEFAULTS},
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{X3("horocyclic equal-area"), mf::euc_boring, DEFAULTS},
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{X3("horocyclic equal-area"), mf::euc_boring | mf::equiarea | mf::orientation | mf::horocyclic, DEFAULTS},
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{X3("guard"), mf::technical, DEFAULTS},
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{X3("pixel"), mf::technical, DEFAULTS},
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{X3("hypflat"), mf::technical, DEFAULTS},
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{X3("polynomial"), mf::technical | mf::conformal, DEFAULTS},
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{X3("polynomial"), mf::technical | mf::conformal | mf::orientation, DEFAULTS},
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{X3("manual"), mf::technical, DEFAULTS},
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};
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27
models.cpp
27
models.cpp
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@ -108,7 +108,7 @@ EX namespace polygonal {
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EX }
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#if HDR
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inline bool mdAzimuthalEqui() { return among(pmodel, mdEquidistant, mdEquiarea, mdEquivolume); }
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inline bool mdAzimuthalEqui() { return (mdinf[pmodel].flags & mf::azimuthal) && (mdinf[pmodel].flags & (mf::equidistant | mf::equiarea | mf::equivolume) && !(mdinf[pmodel].flags & mf::twopoint)); }
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inline bool mdBandAny() { return mdinf[pmodel].flags & mf::pseudoband; }
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inline bool mdPseudocylindrical() { return mdBandAny() && !(mdinf[pmodel].flags & mf::cylindrical); }
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#endif
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@ -198,8 +198,8 @@ EX namespace models {
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if(hyperbolic && desitter_projections && among(pm, mdRelPerspective, mdRelOrthogonal)) return true;
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if(sl2) return among(pm, mdGeodesic, mdEquidistant, mdRelPerspective, mdRelOrthogonal, mdHorocyclic, mdPerspective);
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if(nonisotropic) return among(pm, mdDisk, mdPerspective, mdHorocyclic, mdGeodesic, mdEquidistant, mdFisheye, mdLiePerspective, mdLieOrthogonal);
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if(sphere && (pm == mdHalfplane || pm == mdBall))
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return false;
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if(sphere && pm == pmBall) return false;
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if(sphere && (mdinf[pm].flags & mf::horocyclic)) return false;
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if(GDIM == 2 && is_perspective(pm)) return false;
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if(pm == mdGeodesic && !nonisotropic) return false;
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if(pm == mdLiePerspective && sphere) return false;
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@ -214,17 +214,14 @@ EX namespace models {
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}
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EX bool has_orientation(eModel m) {
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if(among(m, mdHorocyclic, mdHorocyclicEqa, mdLieOrthogonal, mdLiePerspective))
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return hyperbolic || in_h2xe();
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if(is_perspective(m) && panini_alpha) return true;
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return
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among(m, mdHalfplane, mdPolynomial, mdPolygonal, mdTwoPoint, mdJoukowsky, mdJoukowskyInverted, mdSpiral, mdSimulatedPerspective, mdTwoHybrid, mdHorocyclic, mdHorocyclicEqa, mdAxial, mdAntiAxial, mdQuadrant,
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mdWerner, mdAitoff, mdHammer, mdLoximuthal, mdWinkelTripel, mdThreePoint) || mdBandAny();
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if(nonisotropic) return false;
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return (mdinf[m].flags & mf::orientation);
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}
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/** @brief returns the broken coordinate, or zero */
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EX int get_broken_coord(eModel m) {
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if(m == mdWerner) return 1;
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if(mdinf[m].flags & mf::werner) return 1;
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if(sphere) return (mdinf[m].flags & mf::broken) ? 2 : 0;
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return 0;
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}
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@ -234,7 +231,7 @@ EX namespace models {
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}
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EX bool is_perspective(eModel m) {
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return among(m, mdPerspective, mdGeodesic, mdLiePerspective, mdRelPerspective);
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return mdinf[m].flags & mf::perspective;
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}
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EX bool is_3d(const projection_configuration& p) {
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@ -243,12 +240,12 @@ EX namespace models {
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}
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EX bool has_transition(eModel m) {
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return among(m, mdJoukowsky, mdJoukowskyInverted, mdBand, mdAxial) && GDIM == 2;
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return (mdinf[m].flags & mf::transition) && GDIM == 2;
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}
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EX bool product_model(eModel m) {
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if(!gproduct) return false;
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if(among(m, mdPerspective, mdHyperboloid, mdEquidistant, mdThreePoint)) return false;
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if(mdinf[m].flags & mf::product_special) return false;
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return true;
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}
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@ -270,7 +267,7 @@ EX namespace models {
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return XLAT(mdinf[m].name_spherical);
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if(euclid)
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return XLAT(mdinf[m].name_euclidean);
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if(hyperbolic)
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if(hyperbolic)
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return XLAT(mdinf[m].name_hyperbolic);
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return "?";
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}
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@ -624,10 +621,10 @@ EX namespace models {
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if(vpmodel == mdJoukowskyInverted)
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add_edit(vpconf.dualfocus_autoscale);
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if(vpmodel == mdHemisphere && euclid)
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if(vpmodel == mdHemisphere && euclid)
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add_edit(vpconf.euclid_to_sphere);
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if(among(vpmodel, mdTwoPoint, mdSimulatedPerspective, mdTwoHybrid, mdThreePoint))
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if(mdinf[vpmodel].flags & mf::twopoint)
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add_edit(vpconf.twopoint_param);
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if(vpmodel == mdFisheye)
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