Backport: Stop after successfully applying grid (#91)

pomadchin · web-flow · commit 621ad1019c32 · 2022-11-26T10:18:39.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Fix EquidistantAzimuthalProjection through add geodesic package [#84](https://github.com/locationtech/proj4j/issues/84)
 - Fix RobinsonProjection [#87](https://github.com/locationtech/proj4j/issues/87)
+- Backport: Stop after successfully applying grid [#91](https://github.com/locationtech/proj4j/pull/91)
 
 ## [1.1.5] - 2022-03-25
 
diff --git a/src/main/java/org/locationtech/proj4j/datum/Grid.java b/src/main/java/org/locationtech/proj4j/datum/Grid.java
@@ -131,6 +131,8 @@ public static void shift(List<Grid> grids, boolean inverse, ProjCoordinate in) {
             }
 
             output = nad_cvt(input, inverse, table);
+
+            if (!Double.isNaN(output.lam)) break;
         }
 
         if (!Double.isNaN(output.lam)) {

Original file line number	Diff line number	Diff line change
`@@ -131,6 +131,8 @@ public static void shift(List<Grid> grids, boolean inverse, ProjCoordinate in) {`
`131`	`131`	`}`
`132`	`132`
`133`	`133`	`output = nad_cvt(input, inverse, table);`
	`134`	`+`
	`135`	`+ if (!Double.isNaN(output.lam)) break;`
`134`	`136`	`}`
`135`	`137`
`136`	`138`	`if (!Double.isNaN(output.lam)) {`