[OpenLayers-Dev] OpenLayers performance

Pierre GIRAUD bluecarto at gmail.com
Wed Apr 9 15:47:01 EDT 2008


Don't hesitate to do this using the OpenLayers sandbox mecanism.

On Wed, Apr 9, 2008 at 9:30 PM,  <tomas.novotny at tmapy.cz> wrote:
> Hi Tim,
>
>  I've made something similar today. I've modified panMap() and panMapDone()
>  methods in Control/DragPan.js for only moving layerContainer by CSS until
>  the end of drag. Result is what I needed - smooth panning. I will look
>  further in the code tomorrow to see what it means for rest of OL and will
>  play with it more. (One of the problem is not-loading tiles of Grid layer
>  before drag end - but it can still be technically achieved without massive
>  center calculations on every move).
>  At the same time I'm curious about your solution Tim. Can you send me or
>  give me URL to your pieces of code? I can send you mine if you want, maybe
>  I will put it to some public web.
>
>  Tomas
>
>
>  > Hey-
>  >
>  > I've got a half baked patch that gives the map a drag method.  This
>  > bypasses all center calculations until the drag ends (and only adjusts
>  > the position of the layer containers).  Works well except with
>  > commercial layers.  Given some more time, I'll fix it up.
>  >
>  > Tim
>
>
>
>
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