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    <title>topic Performance of RasterCatalog and FeatureLayer in ArcObjects SDK Questions</title>
    <link>https://community.esri.com/t5/arcobjects-sdk-questions/performance-of-rastercatalog-and-featurelayer/m-p/570069#M15370</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I'm having a performance issue when both an IRasterCatalogLayer and IFeatureLayer(shapefiles) are loaded.&amp;nbsp; If only the IRasterCatalogLayer is loaded or only the IFeatureLayer Layers are loaded there is no performance issue.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I'm using ArcObjects V9.3.1 in VB.NET under XP with 4GB Memory and 2.5GHZ dual-core processor.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;There are 19 MrSid 2008 images totaling 11GB that are contained within an IRasterCatalogLayer.&amp;nbsp; In addition there are 50 IFeatureLayer Layers with roughly half of them visible.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Paging the display using the scroll bars, or panning, takes 6-7 seconds to complete the refresh.&amp;nbsp; Even if the IRasterCatalogLayer Visible Property is set to False it still takes 6-7 seconds to refresh.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;With just the IRasterCatalogLayer loaded or just the IFeatureLayer Layers loaded it takes roughly 1 second to page by scroll bars, or panning.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I've experimented with the Cache Property without much noticeable affect.&amp;nbsp; Have also experimented with the ProgressiveDrawing Property with no noticeable affect.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;The same data configuration, with MrSids in an ImageCatalog, in a MapObjects application takes only one second to page the display using the scroll bars, or panning.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;It appears as there is some type of conflict going on when both of these layer types are loaded.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Any suggestions or hints as to what might be done about this are greatly appreciated.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Regards,&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Dennis&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Sat, 13 Nov 2010 16:54:54 GMT</pubDate>
    <dc:creator>DennisBerry</dc:creator>
    <dc:date>2010-11-13T16:54:54Z</dc:date>
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      <title>Performance of RasterCatalog and FeatureLayer</title>
      <link>https://community.esri.com/t5/arcobjects-sdk-questions/performance-of-rastercatalog-and-featurelayer/m-p/570069#M15370</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I'm having a performance issue when both an IRasterCatalogLayer and IFeatureLayer(shapefiles) are loaded.&amp;nbsp; If only the IRasterCatalogLayer is loaded or only the IFeatureLayer Layers are loaded there is no performance issue.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I'm using ArcObjects V9.3.1 in VB.NET under XP with 4GB Memory and 2.5GHZ dual-core processor.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;There are 19 MrSid 2008 images totaling 11GB that are contained within an IRasterCatalogLayer.&amp;nbsp; In addition there are 50 IFeatureLayer Layers with roughly half of them visible.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Paging the display using the scroll bars, or panning, takes 6-7 seconds to complete the refresh.&amp;nbsp; Even if the IRasterCatalogLayer Visible Property is set to False it still takes 6-7 seconds to refresh.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;With just the IRasterCatalogLayer loaded or just the IFeatureLayer Layers loaded it takes roughly 1 second to page by scroll bars, or panning.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I've experimented with the Cache Property without much noticeable affect.&amp;nbsp; Have also experimented with the ProgressiveDrawing Property with no noticeable affect.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;The same data configuration, with MrSids in an ImageCatalog, in a MapObjects application takes only one second to page the display using the scroll bars, or panning.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;It appears as there is some type of conflict going on when both of these layer types are loaded.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Any suggestions or hints as to what might be done about this are greatly appreciated.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Regards,&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Dennis&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Sat, 13 Nov 2010 16:54:54 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcobjects-sdk-questions/performance-of-rastercatalog-and-featurelayer/m-p/570069#M15370</guid>
      <dc:creator>DennisBerry</dc:creator>
      <dc:date>2010-11-13T16:54:54Z</dc:date>
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