Skip to content

Broaden longc -> long0 assignment #47

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ahocevar merged 1 commit into from
Apr 2, 2026
Merged

Broaden longc -> long0 assignment #47

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -94,9 +94,9 @@ function setPropertiesFromWkt(wkt) {
geogcs = wkt;
}
if (geogcs) {
//if(wkt.GEOGCS.PRIMEM&&wkt.GEOGCS.PRIMEM.convert){
// wkt.from_greenwich=wkt.GEOGCS.PRIMEM.convert*D2R;
//}
if (geogcs.PRIMEM && geogcs.PRIMEM.convert) {
wkt.from_greenwich = d2r(geogcs.PRIMEM.convert);
}
if (geogcs.DATUM) {
wkt.datumCode = geogcs.DATUM.name.toLowerCase();
} else {
Expand Down
6 changes: 6 additions & 0 deletions test-fixtures.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -723,6 +723,7 @@
"x0": 600000,
"y0": 200000,
"longc": 0.12984522414316144,
"long0": 0.12984522414316144,
"lat0": 0.8194740686761227,
"alpha": 1.570796326794897,
"rectified_grid_angle": 1.570796326794897,
Expand All @@ -745,6 +746,7 @@
"x0": 600000,
"y0": 200000,
"longc": 0.12984522414316635,
"long0": 0.12984522414316635,
"lat0": 0.8194740686761263,
"alpha": 1.570796326794897,
"rectified_grid_angle": 1.570796326794897,
Expand All @@ -767,6 +769,7 @@
"x0": 600000,
"y0": 200000,
"longc": 0.1298452241431614,
"long0": 0.1298452241431614,
"lat0": 0.8194740686761226,
"alpha": 1.5707963267948966,
"rectified_grid_angle": 1.5707963267948966,
Expand All @@ -793,6 +796,7 @@
"x0": 600000,
"y0": 200000,
"longc": 0.12984522414316146,
"long0": 0.12984522414316146,
"lat0": 0.8194740686761218,
"alpha": 1.5707963267948966,
"rectified_grid_angle": 1.5707963267948966,
Expand Down Expand Up @@ -929,6 +933,7 @@
"x0": 804671,
"y0": 0,
"longc": 1.784599160164202,
"long0": 1.784599160164202,
"lat0": 0.06981317007977318,
"alpha": 5.637863717220397,
"rectified_grid_angle": 5.639684198507691,
Expand Down Expand Up @@ -1093,6 +1098,7 @@
"x0": 804671,
"y0": 0,
"longc": 1.784599160164202,
"long0": 1.784599160164202,
"lat0": 0.06981317007977318,
"alpha": 5.637863717220403,
"rectified_grid_angle": 5.63968419850769,
Expand Down
4 changes: 2 additions & 2 deletions util.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@ export function applyProjectionDefaults(wkt) {
// Normalize projName for WKT2 compatibility
const normalizedProjName = (wkt.projName || '').toLowerCase().replace(/_/g, ' ');

if (!wkt.long0 && wkt.longc && (normalizedProjName === 'albers conic equal area' || normalizedProjName === 'lambert azimuthal equal area')) {
wkt.long0 = wkt.longc;
if (wkt.long0 === undefined && wkt.longc !== undefined) {
wkt.long0 = wkt.longc; // keep in the projection's native prime meridian frame
}
if (!wkt.lat_ts && wkt.lat1 && (normalizedProjName === 'stereographic south pole' || normalizedProjName === 'polar stereographic (variant b)')) {
wkt.lat0 = d2r(wkt.lat1 > 0 ? 90 : -90);
Expand Down
Loading