topic Queue vs BackgroudWorker ... when rendering 1000+ symbols in ArcGIS API for Silverlight Questions https://community.esri.com/t5/arcgis-api-for-silverlight-questions/queue-vs-backgroudworker-when-rendering-1000/m-p/698604#M17940 <HTML><HEAD></HEAD><BODY><SPAN>We are having performance issues rendering 1000+ symbols.</SPAN><BR /><BR /><SPAN>An earlier post got a reply (thanx Rex) that suggested we replace the ESRI PictureMarkerSymbol ... with the Silverlight ImageBrush.</SPAN><BR /><SPAN>That "fix" worked.</SPAN><BR /><BR /><SPAN>But in general, it seems we are left with two options.</SPAN><BR /><BR /><OL><BR /><LI>Use the System.Collections.Generic.Queue ... and have the rendering start almost immediately and the screen remaining interactive.</LI><BR /><LI>Use the System.ComponentModel.BackgroundWorker&nbsp; threads to have the fastest rendering ... but have the screen "freeze" until rendering has finished.</LI><BR /></OL><BR /><SPAN>Is there a better way to handle rendering 1000+ symbols?</SPAN><BR /><SPAN>( ... or 5000+ symbols !! )</SPAN><BR /><SPAN>Note ... the symbols may be any concurrent mix of Points, Lines, Polygons.</SPAN><BR /><BR /><SPAN>A summary of the problem can be found at ...</SPAN><BR /><SPAN> </SPAN><A href="http://rem7.info/rgia/esri/Rendering_Performance.html">http://rem7.info/rgia/esri/Rendering_Performance.html</A><BR /><BR /><SPAN>Any better suggestions on way to handle this?&nbsp; <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></SPAN><BR /><BR /><SPAN>Thanx.</SPAN><BR /><BR /><SPAN>-richard-</SPAN></BODY></HTML> Tue, 20 Jul 2010 20:16:47 GMT richardboyd 2010-07-20T20:16:47Z Queue vs BackgroudWorker ... when rendering 1000+ symbols https://community.esri.com/t5/arcgis-api-for-silverlight-questions/queue-vs-backgroudworker-when-rendering-1000/m-p/698604#M17940 <HTML><HEAD></HEAD><BODY><SPAN>We are having performance issues rendering 1000+ symbols.</SPAN><BR /><BR /><SPAN>An earlier post got a reply (thanx Rex) that suggested we replace the ESRI PictureMarkerSymbol ... with the Silverlight ImageBrush.</SPAN><BR /><SPAN>That "fix" worked.</SPAN><BR /><BR /><SPAN>But in general, it seems we are left with two options.</SPAN><BR /><BR /><OL><BR /><LI>Use the System.Collections.Generic.Queue ... and have the rendering start almost immediately and the screen remaining interactive.</LI><BR /><LI>Use the System.ComponentModel.BackgroundWorker&nbsp; threads to have the fastest rendering ... but have the screen "freeze" until rendering has finished.</LI><BR /></OL><BR /><SPAN>Is there a better way to handle rendering 1000+ symbols?</SPAN><BR /><SPAN>( ... or 5000+ symbols !! )</SPAN><BR /><SPAN>Note ... the symbols may be any concurrent mix of Points, Lines, Polygons.</SPAN><BR /><BR /><SPAN>A summary of the problem can be found at ...</SPAN><BR /><SPAN> </SPAN><A href="http://rem7.info/rgia/esri/Rendering_Performance.html">http://rem7.info/rgia/esri/Rendering_Performance.html</A><BR /><BR /><SPAN>Any better suggestions on way to handle this?&nbsp; <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></SPAN><BR /><BR /><SPAN>Thanx.</SPAN><BR /><BR /><SPAN>-richard-</SPAN></BODY></HTML> Tue, 20 Jul 2010 20:16:47 GMT https://community.esri.com/t5/arcgis-api-for-silverlight-questions/queue-vs-backgroudworker-when-rendering-1000/m-p/698604#M17940 richardboyd 2010-07-20T20:16:47Z Re: Queue vs BackgroudWorker ... when rendering 1000+ symbols https://community.esri.com/t5/arcgis-api-for-silverlight-questions/queue-vs-backgroudworker-when-rendering-1000/m-p/698605#M17941 <HTML><HEAD></HEAD><BODY><SPAN>Unfortunately UI has to be rendered on the UI thread, so a background worker wont help.</SPAN><BR /><SPAN>I suggest you watch the performance portion of this session:</SPAN><BR /><A href="http://proceedings.esri.com/library/userconf/devsummit10/tech/tech_53.html">http://proceedings.esri.com/library/userconf/devsummit10/tech/tech_53.html</A></BODY></HTML> Wed, 21 Jul 2010 18:49:50 GMT https://community.esri.com/t5/arcgis-api-for-silverlight-questions/queue-vs-backgroudworker-when-rendering-1000/m-p/698605#M17941 dotMorten_esri 2010-07-21T18:49:50Z