Support zoom limits for layers

This commit is contained in:
Tim Schaub
2019-08-06 13:27:32 -04:00
parent c767091faf
commit 65ad4932f4
11 changed files with 424 additions and 86 deletions
+8
View File
@@ -29,6 +29,10 @@ import SourceState from '../source/State.js';
* visible.
* @property {number} [maxResolution] The maximum resolution (exclusive) below which this layer will
* be visible.
* @property {number} [minZoom] The minimum view zoom level (exclusive) above which this layer will be
* visible.
* @property {number} [maxZoom] The maximum view zoom level (inclusive) at which this layer will
* be visible.
* @property {Array<import("./Base.js").default>|import("../Collection.js").default<import("./Base.js").default>} [layers] Child layers.
*/
@@ -215,6 +219,10 @@ class LayerGroup extends BaseLayer {
layerState.maxResolution, ownLayerState.maxResolution);
layerState.minResolution = Math.max(
layerState.minResolution, ownLayerState.minResolution);
layerState.minZoom = Math.max(
layerState.minZoom, ownLayerState.minZoom);
layerState.maxZoom = Math.min(
layerState.maxZoom, ownLayerState.maxZoom);
if (ownLayerState.extent !== undefined) {
if (layerState.extent !== undefined) {
layerState.extent = getIntersection(layerState.extent, ownLayerState.extent);