diff options
Diffstat (limited to 'misc/openlayers/examples/donut.js')
-rw-r--r-- | misc/openlayers/examples/donut.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/misc/openlayers/examples/donut.js b/misc/openlayers/examples/donut.js new file mode 100644 index 0000000..067be62 --- /dev/null +++ b/misc/openlayers/examples/donut.js @@ -0,0 +1,44 @@ +// allow testing of specific renderers via "?renderer=Canvas", etc +var renderer = OpenLayers.Util.getParameters(window.location.href).renderer; +renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers; + +var map = new OpenLayers.Map({ + div: "map", + layers: [ + new OpenLayers.Layer.OSM(), + new OpenLayers.Layer.Vector("Vector Layer", { + renderers: renderer + }) + ], + center: new OpenLayers.LonLat(0, 0), + zoom: 1 +}); + +var draw = new OpenLayers.Control.DrawFeature( + map.layers[1], + OpenLayers.Handler.Polygon, + {handlerOptions: {holeModifier: "altKey"}} +); +map.addControl(draw); + +// optionally listen for sketch events on the layer +var output = document.getElementById("output"); +function updateOutput(event) { + window.setTimeout(function() { + output.innerHTML = event.type + " " + event.feature.id; + }, 100); +} +map.layers[1].events.on({ + sketchmodified: updateOutput, + sketchcomplete: updateOutput +}); + +// add behavior to UI elements +function toggleControl(element) { + if (element.value === "polygon" && element.checked) { + draw.activate(); + } else { + draw.deactivate(); + } +} +document.getElementById("noneToggle").checked = true; |