topic Hide from TOC if not on visible on screen in ArcGIS Viewer for Flex Questions https://community.esri.com/t5/arcgis-viewer-for-flex-questions/hide-from-toc-if-not-on-visible-on-screen/m-p/522797#M14486 <HTML><HEAD></HEAD><BODY><SPAN>I need to recreate a map that was done in MapGuide and bring it into Flex.&nbsp; This map has literally 100+ layers in it....way too many for the TOC to handle effectively.&nbsp; </SPAN><BR /><BR /><SPAN>One thing that MapGuide does really well is only show layers in the TOC that can possibly be viewed on the current screen.&nbsp; For example, if you zoom into a town and that town has a specific orthophoto then it will become available in the TOC to check on/off....as soon as you zoom away it gets removed from the TOC.&nbsp; This really helps a lot when dealing with so many layers over a wide geographic area.</SPAN><BR /><BR /><SPAN>Can this be done in Flex?&nbsp; Could it be as simple as a few lines of code that state "if layer is not in screen extents then hide it from the TOC"?</SPAN><BR /><BR /><SPAN>Just looking to get some thoughts on this...</SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Wed, 07 Mar 2012 17:35:39 GMT philippschnetzer 2012-03-07T17:35:39Z Hide from TOC if not on visible on screen https://community.esri.com/t5/arcgis-viewer-for-flex-questions/hide-from-toc-if-not-on-visible-on-screen/m-p/522797#M14486 <HTML><HEAD></HEAD><BODY><SPAN>I need to recreate a map that was done in MapGuide and bring it into Flex.&nbsp; This map has literally 100+ layers in it....way too many for the TOC to handle effectively.&nbsp; </SPAN><BR /><BR /><SPAN>One thing that MapGuide does really well is only show layers in the TOC that can possibly be viewed on the current screen.&nbsp; For example, if you zoom into a town and that town has a specific orthophoto then it will become available in the TOC to check on/off....as soon as you zoom away it gets removed from the TOC.&nbsp; This really helps a lot when dealing with so many layers over a wide geographic area.</SPAN><BR /><BR /><SPAN>Can this be done in Flex?&nbsp; Could it be as simple as a few lines of code that state "if layer is not in screen extents then hide it from the TOC"?</SPAN><BR /><BR /><SPAN>Just looking to get some thoughts on this...</SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Wed, 07 Mar 2012 17:35:39 GMT https://community.esri.com/t5/arcgis-viewer-for-flex-questions/hide-from-toc-if-not-on-visible-on-screen/m-p/522797#M14486 philippschnetzer 2012-03-07T17:35:39Z