ExecuteToolAsync CalculateGeometryAttributes Error

PeteVitt

Hi - I'm making an ExecuteToolAsync call to CalculateGeometryAttributes tool using ArcGIS Pro SDK 3.0 and am getting a System.Linq.Enumerable.WhereListIterator<ArcGIS.Desktop.Core.Geoprocessing.IGPMessage error.  I've based my call on the tool reference located here: https://pro.arcgis.com/en/pro-app/latest/tool-reference/data-management/calculate-geometry-attributes.htm

I believe the error is related to the geometry_property parameter [[Field, Property],...]

my code is here:

 var progDlg = new ProgressDialog("Processing Areas", "Cancel", 100, true);
            progDlg.Show();
            var inputLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().First(l => l.Name.Equals(LayerNames.TempLAClip));
            var toolName = "management.CalculateGeometryAttributes";//based on my GP tool cache 
            var fieldParams = new List<string>() { "Ft2", "AREA" };
            var fieldParamList = new List<List<string>>();//this appears to be a list of lists (I also tried just using a list and got same error
            fieldParamList.Add(fieldParams);
            var units = "SQUARE_FEET_US";
            var calcParams = await QueuedTask.Run(() =>
            {
                return Geoprocessing.MakeValueArray(
                    new object[] { inputLayer, fieldParamList, units });
            });
            IGPResult result = await Geoprocessing.ExecuteToolAsync(toolName, calcParams, null, new CancelableProgressorSource(progDlg).Progressor, GPExecuteToolFlags.Default);

 if (result.IsCanceled)//fails or is canceled
            {
                _vm.StatusMessage = "Calculation Canceled";
                return false;
            }
            else if (result.IsFailed)//get error message here
            {
                _vm.StatusMessage = "Calculation Failed";
                return false;
            }
            else
            {
                return true;
            }

 any suggestions of how to fix this error?

 

Thanks

 

Pete

Wolf

Hi Pete,

 I think that the problem is that you are specifying the 'length' unit instead of the 'area' unit parameter.  The following snippet worked for me (notice that i inserted "" as the length unit before the area parameter):

 

var inputLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().First(l => l.Name.Equals(layerName));
var toolName = "management.CalculateGeometryAttributes";//based on my GP tool cache 
var fieldParams = "TheInteger AREA";
var unit = "SQUARE_METERS";
var calcParams = Geoprocessing.MakeValueArray(
      new object[] { inputLayer, fieldParams, "", unit, MapView.Active.Map.SpatialReference });
IGPResult result = await Geoprocessing.ExecuteToolAsync(toolName, calcParams, null, new CancelableProgressorSource(progDlg).Progressor, GPExecuteToolFlags.Default);