imagery offsets affect only that layer

fixes #1202
2026-04-21 19:26:41 +02:00 · 2013-03-29 17:18:26 -04:00
parent baded32589
commit eda5836554
1 changed files with 7 additions and 0 deletions
@@ -4,6 +4,7 @@ iD.Background = function() {
        projection,
        cache = {},
        offset = [0, 0],
+        offsets = {},
        tileOrigin,
        z,
        transformProp = iD.util.prefixCSSProperty('Transform'),
@@ -135,6 +136,7 @@ iD.Background = function() {
    background.offset = function(_) {
        if (!arguments.length) return offset;
        offset = _;
+        if (source.data) offsets[source.data.name] = offset;
        return background;
    };

@@ -173,6 +175,11 @@ iD.Background = function() {
    background.source = function(_) {
        if (!arguments.length) return source;
        source = _;
+        if (source.data) {
+            offset = offsets[source.data.name] = offsets[source.data.name] || [0, 0];
+        } else {
+            offset = [0, 0];
+        }
        cache = {};
        tile.scaleExtent((source.data && source.data.scaleExtent) || [1, 20]);
        setHash(source);