topic Change widget for imagery in Web AppBuilder Custom Widgets Questions https://community.esri.com/t5/web-appbuilder-custom-widgets-questions/change-widget-for-imagery/m-p/835038#M8683 <HTML><HEAD></HEAD><BODY><P>I have a map that contains 15 ndvi images of the same piece of terrain at 15 different time points (one for each month).&nbsp; I want to be able to select two time points, subtract the NDVI images, and look at the difference as a layer.</P><P></P><P>Is there a custom (or normal) widget that does this?&nbsp; &nbsp;I've scanned through several months of posts here, but can't find anything.&nbsp;&nbsp;</P></BODY></HTML> Wed, 20 May 2020 06:26:50 GMT AndrewEinhorn 2020-05-20T06:26:50Z Change widget for imagery https://community.esri.com/t5/web-appbuilder-custom-widgets-questions/change-widget-for-imagery/m-p/835038#M8683 <HTML><HEAD></HEAD><BODY><P>I have a map that contains 15 ndvi images of the same piece of terrain at 15 different time points (one for each month).&nbsp; I want to be able to select two time points, subtract the NDVI images, and look at the difference as a layer.</P><P></P><P>Is there a custom (or normal) widget that does this?&nbsp; &nbsp;I've scanned through several months of posts here, but can't find anything.&nbsp;&nbsp;</P></BODY></HTML> Wed, 20 May 2020 06:26:50 GMT https://community.esri.com/t5/web-appbuilder-custom-widgets-questions/change-widget-for-imagery/m-p/835038#M8683 AndrewEinhorn 2020-05-20T06:26:50Z