topic DTED and elevation in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/dted-and-elevation/m-p/706920#M23428 <HTML><HEAD></HEAD><BODY><SPAN>I have loaded a shp file and some DTED data and into ArcMap.&nbsp; I created a custom BaseTool in C# that finds the layers that intersect the point clicked.&nbsp; When I click on a point that intersects the shp file layer, I am able to cast that to IRowIdentifyObject and extract the Fields and Values from the Row.&nbsp; But when I try to get the elevation data from the DTED layer I have no luck.&nbsp; It comes into C# as a COM Object and I need to know the specific interfaces it supports so I can cast it and access the elevation data.&nbsp; I also need to get the slope and upslope (azimuth) values.&nbsp; </SPAN><BR /><BR /><SPAN>I searched the ArcObjects SDK for elevation, but could not find an interface that the DTED layer supports.&nbsp; I tried IGlobeLayerProperties, esriGlobeDataType, ILayerExtensions, IGlobeDisplay, IFeatureLayer, ISurface, IFeature, IARGlobe, ITinSurfaceElement, IGlobeDisplayLayers and every interface in ESRI.ArcGIS.Carto (created code to generate a class that tested each interface).&nbsp; </SPAN><BR /><BR /><SPAN>I also tried using the ZMax and Zmin on the IGeometry (casted to an Envelope).&nbsp; </SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Tue, 19 Nov 2013 17:41:19 GMT mikewieliczki 2013-11-19T17:41:19Z DTED and elevation https://community.esri.com/t5/geoprocessing-questions/dted-and-elevation/m-p/706920#M23428 <HTML><HEAD></HEAD><BODY><SPAN>I have loaded a shp file and some DTED data and into ArcMap.&nbsp; I created a custom BaseTool in C# that finds the layers that intersect the point clicked.&nbsp; When I click on a point that intersects the shp file layer, I am able to cast that to IRowIdentifyObject and extract the Fields and Values from the Row.&nbsp; But when I try to get the elevation data from the DTED layer I have no luck.&nbsp; It comes into C# as a COM Object and I need to know the specific interfaces it supports so I can cast it and access the elevation data.&nbsp; I also need to get the slope and upslope (azimuth) values.&nbsp; </SPAN><BR /><BR /><SPAN>I searched the ArcObjects SDK for elevation, but could not find an interface that the DTED layer supports.&nbsp; I tried IGlobeLayerProperties, esriGlobeDataType, ILayerExtensions, IGlobeDisplay, IFeatureLayer, ISurface, IFeature, IARGlobe, ITinSurfaceElement, IGlobeDisplayLayers and every interface in ESRI.ArcGIS.Carto (created code to generate a class that tested each interface).&nbsp; </SPAN><BR /><BR /><SPAN>I also tried using the ZMax and Zmin on the IGeometry (casted to an Envelope).&nbsp; </SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Tue, 19 Nov 2013 17:41:19 GMT https://community.esri.com/t5/geoprocessing-questions/dted-and-elevation/m-p/706920#M23428 mikewieliczki 2013-11-19T17:41:19Z