Latest Contributions by TimB

I know this is an old post, but i am trying to do this myself.  However, no matter what I do, the geotiff is not loading properly into a GIS app (ArcGIS Pro).  I know the modeltiepoint values are being written to the file, as i am able to read them back in with System.Drawing.Imaging.PropertyItem. Do you have any sample code that shows exactly what you did with the tiePoints (as you mention in your pseudo-code)?  Also, do you need to set a projection anywhere? I have seen and used the info here: http://geotiff.maptools.org/spec/geotiff2.6.html , but still no luck.  //Populate the modelTilePoint array // modelTilePoint[0] = someValue; //... ... View more

Thanks for your reply!  Could you explain a little further:  you mentioned  that "The capability of generating elevation profile from an existing file is currently supported in  ArcGIS Earth (the latest version 1.9).".  I just upgraded from 1.8 to 1.9 and can't seem to find this.  I can see how to generate an elevation profile from a drawn line, OR by using the interactive analysis (button looks like a cube), but i can't see how to import a line (either from KML or CSV) and THEN generate an elevation profile from it.  Thanks in advance. ... View more

OK, So i used the geoprocessing/viewshed example to come up with the code below.  It makes the call and receives a reply.  However, the geometry that gets returned is only a polyline, and not a polylineZ (containing z values of the ground).  Does anyone have an idea why it does not appear to be working?  I thought it was something in the fieldlist but i tried multiple things there (including none), but nothing seemed to change the returned result.              var myProfileTask = await GeoprocessingTask.CreateAsync(new Uri(_viewshedUrl));             List<Field> fieldList = new List<Field>();             fieldList.Add(new Field(FieldType.OID, "ObjectID", "ObjectID", 10));             fieldList.Add(new Field(FieldType.Float64, "Shape_Length", "Shape_Length", 10));             var myInputFeatures = new FeatureCollectionTable(new List<Field>(), GeometryType.Polyline, SpatialReferences.WebMercator);             Feature myInputFeature = myInputFeatures.CreateFeature();             _selectedGraphics[0].Attributes.Add("ObjectID", 1);             _selectedGraphics[0].Attributes.Add("Shape_Length", GeometryEngine.LengthGeodetic(_selectedGraphics[0].Geometry,LinearUnits.Meters,GeodeticCurveType.Geodesic));             myInputFeature.Geometry = _selectedGraphics[0].Geometry;             await myInputFeatures.AddFeatureAsync(myInputFeature);             GeoprocessingParameters myProfileParameters =                 new GeoprocessingParameters(GeoprocessingExecutionType.SynchronousExecute);             myProfileParameters.OutputSpatialReference = SpatialReferences.WebMercator; ;             myProfileParameters.Inputs.Add("InputLineFeatures", new GeoprocessingFeatures(myInputFeatures));             var myViewshedJob = myProfileTask.CreateJob(myProfileParameters);             try             {                 GeoprocessingResult myAnalysisResult = await myViewshedJob.GetResultAsync();                 GeoprocessingFeatures myProfileResultFeatures = myAnalysisResult.Outputs["OutputProfile"] as GeoprocessingFeatures;                 // Add all the results as a graphics to the map                 IFeatureSet myViewshedAreas = myProfileResultFeatures.Features;                 foreach (var myFeature in myViewshedAreas)                 {                     _resultOverlay.Graphics.Add(new Graphic(myFeature.Geometry));                 }             }             catch (Exception ex)             {                 // Display an error message if there is a problem                 //if (myViewshedJob.Status == JobStatus.Failed && myViewshedJob.Error != null)                 //    _userViewModel.UserMessage="Executing geoprocessing failed. " + myViewshedJob.Error.Message, "Geoprocessing error";                 //else                 //    MessageBox.Show("An error occurred. " + ex.ToString(), "Sample error");             }             finally             {                 // Indicate that the geoprocessing is not running                 //SetBusy(false);             } ... View more

Thanks Morton.  After my post i realized that the Pro and Runtime backgrounds defaulted differently (white vs grey with grid). I did not realize i could change that background and had overlooked that option to do so.  Thanks!  ... View more

Has anyone had this issue and been able to resolve it?  I get this error on any dataset I run (esri sample datasets, pix4d sample datasets, my own datasets).  I get this error everytime I try to generate a dsm or dtm and have tried changing multiple settings but still get the same error.   ... View more

Alexander, Thanks for the reply.  That sounds like the best way (cutting at 180) to do it for us.  We are using GCS and also these polygons are global coverages that differ, so there will always need to be a break somewhere, so I don't think using a different projection would work.  I do like you break idea, though.  In fact, now that I think about it, it think that is what ArcGIS might do when creating a buffer that crosses the dateline.  Thanks again! ... View more

Rob, Excellent!  Thanks for the response.  -Tim ... View more