OverlayEdge: Don't skip first point when adding coordinates

dbaston · dbaston · commit c13c1932adb2 · 2026-03-27T13:09:58.000-04:00
Signed-off-by: Dan Baston &lt;dbaston@gmail.com&gt;
diff --git a/modules/core/src/main/java/org/locationtech/jts/operation/overlayng/OverlayEdge.java b/modules/core/src/main/java/org/locationtech/jts/operation/overlayng/OverlayEdge.java
@@ -147,7 +147,7 @@ public Coordinate[] getCoordinatesOriented() {
    */
   public void addCoordinates(CoordinateList coords)
   {
-    boolean isFirstEdge = coords.size() > 0;
+    boolean isFirstEdge = coords.isEmpty();
     if (direction) {
       int startIndex = 1;
       if (isFirstEdge) startIndex = 0;

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,7 @@ public Coordinate[] getCoordinatesOriented() {`
`147`	`147`	`*/`
`148`	`148`	`public void addCoordinates(CoordinateList coords)`
`149`	`149`	`{`
`150`		`- boolean isFirstEdge = coords.size() > 0;`
	`150`	`+ boolean isFirstEdge = coords.isEmpty();`
`151`	`151`	`if (direction) {`
`152`	`152`	`int startIndex = 1;`
`153`	`153`	`if (isFirstEdge) startIndex = 0;`