add projectOrigin flag

Author: Vincent van der Wal

src/om-protocol.ts

@@ -259,6 +259,7 @@ const initOMFile = async (url: string) => {
 	if (domain.grid.projection) {
 		const latitude = domain.grid.projection.latitude ?? domain.grid.latMin;
 		const longitude = domain.grid.projection.longitude ?? domain.grid.lonMin;
+		const projectOrigin = domain.grid.projection.projectOrigin ?? false;
 
 		projectionName = domain.grid.projection.name;
 		projection = new DynamicProjection(
@@ -272,7 +273,8 @@ const initOMFile = async (url: string) => {
 			latitude,
 			longitude,
 			dx,
-			dy
+			dy,
+			projectOrigin
 		);
 	}
 

src/types.ts

@@ -65,9 +65,10 @@ export interface Domain {
 			ϕ2?: number;
 			rotation?: number[];
 			radius?: number;
-			latitude?: number[];
-			longitude?: number[];
+			latitude?: number[] | number;
+			longitude?: number[] | number;
 			bounds?: number[];
+			projectOrigin?: boolean;
 		};
 		center?:
 			| {

src/utils/domains.ts

@@ -437,10 +437,11 @@ export const domains: Array<Domain> = [
 			projection: {
 				λ0: -2.5,
 				ϕ1: 54.9,
-				// latitude: -1036000,
-				// longitude: -1158000,
+				latitude: -1036000,
+				longitude: -1158000,
 				radius: 6371229,
-				name: 'LambertAzimuthalEqualAreaProjection'
+				name: 'LambertAzimuthalEqualAreaProjection',
+				projectOrigin: false
 			}
 		}
 	},

src/worker.ts

@@ -49,6 +49,7 @@ self.onmessage = async (message) => {
 			const longitude = domain.grid.projection.longitude ?? domain.grid.lonMin;
 			const dx = domain.grid.dx;
 			const dy = domain.grid.dy;
+			const projectOrigin = domain.grid.projection.projectOrigin ?? false;
 
 			let projectionName = domain.grid.projection.name;
 
@@ -63,7 +64,8 @@ self.onmessage = async (message) => {
 				latitude,
 				longitude,
 				dx,
-				dy
+				dy,
+				projectOrigin
 			);
 		}