[OpenLayers-Users] animate panning problem
Simo D
simone.dalmasso at gmail.com
Wed Oct 8 09:18:30 EDT 2008
Perfect! Thanks a lot!
Simone
Pierre GIRAUD wrote:
>
> What about calling map.panTo which should do the job for you ?
> http://dev.openlayers.org/apidocs/files/OpenLayers/Map-js.html#OpenLayers.Map.panTo
>
> Regards,
> Pierre
>
> On Wed, Oct 8, 2008 at 12:36 PM, Simo D <simone.dalmasso at gmail.com> wrote:
>>
>> Hi, I'm trying to use an animated panning on a map using
>> OpenLayers.Tween.
>> What I want is that the map recenter where I've clicked. The animation
>> works
>> but the movement is exagerate and strange. My code is:
>> var tween, events;
>>
>> tween = new OpenLayers.Tween(OpenLayers.Easing.Linear.easeIn);
>>
>> events = new OpenLayers.Events(null,
>> OpenLayers.Util.getElement('map'), null, true);
>> events.register("click", null, moveMap);
>>
>> function moveMap(e) {
>> var viewport = OpenLayers.Util.getElement('map');
>> var mapCenter = map.getPixelFromLonLat(map.getCenter());
>> var viewportPosition = OpenLayers.Util.pagePosition(viewport);
>> e.xy = events.getMousePosition(e);
>> var from = {
>> x: mapCenter.x+viewportPosition[0],
>> y: mapCenter.y+viewportPosition[1]
>> };
>> var to = {
>> x: e.xy.x,
>> y: e.xy.y
>> }
>>
>> var callbacks = {
>> eachStep:
>> function(value) {
>>
>> map.setCenter(map.getLonLatFromPixel(new
>> OpenLayers.Pixel(value.x-viewportPosition[0],
>> value.y-viewportPosition[1])));
>> }
>> }
>>
>> var duration = 50;
>>
>> tween.start(from, to,
>> duration, {callbacks: callbacks});
>>
>> }
>>
>> Thanks for any help.
>>
>> Simone
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>>
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