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Fix Robinson inverse projection #2151

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Merged
rouault merged 3 commits into from
Apr 14, 2020
Merged

Fix Robinson inverse projection #2151

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3bafe8b
Fix Robinson projection
mraspaud Apr 14, 2020
d73b851
Update src/projections/robin.cpp
mraspaud Apr 14, 2020
838b6e4
Add unittest
mraspaud Apr 14, 2020
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3 changes: 3 additions & 0 deletions src/projections/robin.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,9 @@ static PJ_LP robin_s_inverse (PJ_XY xy, PJ *P) { /* Spheroidal, invers
lp.phi = (5 * i + t) * DEG_TO_RAD;
if (xy.y < 0.) lp.phi = -lp.phi;
lp.lam /= V(X[i], t);
if( fabs(lp.lam) > M_PI ) {
lp.lam = lp.phi = HUGE_VAL;
}
}
return lp;
}
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