[OpenLayers-Users] Refresh map after updating chart elements

[KS]

Jason Hawkins wrote:

> Perfect! <layer>.refresh({force: true}) works for me.
>
> On Fri, May 15, 2015 at 12:42 AM, Jürgen Dankoweit 
> <Juergen.Dankoweit at t-online.de <mailto:Juergen.Dankoweit at t-online.de>> 
> wrote:
>
>     Am 15.05.2015 08:26, schrieb Tom Ruff:
>
>         I think Juergen  means layer.redraw(true).  That should work.
>
>
>     I have tried this too after spending hours of searching and
>     testing for a solution - this was about two years ago. But this
>     solution works only when the zoomlevel changes or the map is panned.
>
>     Only <layer>.refresh({force: true}) did/does the trick.
>
>     In OpenLayers3 there is the same problem.
>
>
>
>         -----Original Message----- From: Jürgen Dankoweit
>         Sent: Thursday, May 14, 2015 10:20 PM
>         To: openlayers-users at lists.osgeo.org
>         <mailto:openlayers-users at lists.osgeo.org>
>         Subject: Re: [OpenLayers-Users] Refresh map after updating
>         chart elements
>
>         Hello Jason,
>
>         Am 14.05.2015 21:01, schrieb Jason Hawkins:
>
>               need to refresh an openlayers map after updating the
>             size of pie
>             charts in a mapfile displayed on the map (on button
>             click). I cannot
>             refresh the whole page or I lose the data. It works when I
>             change the
>             zoom level. I have tried map.updateSize() (no effect),
>             map.render()
>             (TypeError "a" is not defined), layer.redraw().
>
>
>         The methode "redraw" does not work as expected. Myself ran
>         into the same
>         trap. For me calling <layer>.refresh({force: true}) did the trick.
>
>
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>
>
>         Best regards
>
>         Jürgen
>
>
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>
>     -- 
>     Mit freundlichen Grüßen
>
>     Jürgen Dankoweit
>
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Also try
mylayer.mergeNewParams({ 'timestamp': new Date() });
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