Latest Contributions by SteveLynch

Natural Neighbor can't extrapolate outside the convex hull. You'll have to use another interpolation tool. ... View more

Have you read the first Usage tip in Natural Neighbor's help? ... View more

see Using template layers and search through the Geostatistical Analyst forum posts ... View more

I am trying to add xy layer as suggested by you by right clicking the extracted points shp file. I am not finding the option for it. It's a geoprocessing tool, http://resources.arcgis.com/en/help/main/10.1/index.html#//001700000032000000 ... View more

If there are no points in the cell then that cell will be assigned a NoData. For the other options, have a look at http://resources.arcgis.com/en/help/main/10.2/#/How_Point_To_Raster_works/001200000035000000/ ... View more

1) to automate the kriging process, have a look at http://blogs.esri.com/esri/arcgis/2010/06/18/automating-geostatistical-interpolation-using-template-layers/ 2) for steps 10-14 do the following, - you have a point feature class where the homes are, use this in the Extract values to points - run the AddXY tool on the output feature class created above - select all the rows in the output table and export, or if the output was sent to a shapefile you can use Excel to open the .dbf file Hope this helps Steve ... View more

# set this to the location where the feature class is in, viz., arcpy.env.workspace = "C:/arcgis/ArcTutor/Geostatistical Analyst/ca_ozone.gdb" # Set equal to the name of the feature class, viz., inPointFeatures = "O3_Sep06_3pm" ... View more

You can use the feature class called O3_Sep06_3pm in the ca_ozone file geodatabase. Rename the feature class or modify the code snippet. ... View more

Have a look at http://blogs.esri.com/esri/arcgis/2013/08/01/new-spatial-analyst-supplemental-tools-v1-2-august-2013/ ... View more

I'm not sure exactly what you are suggesting here. Are you suggesting doing the rasterization based on the object ID field rather than on the attribute field of interest? Yes, then join the featureclass table to the raster attribute table and persist the raster. Your raster will then have all the info from the featureclass. Another option would be to manipulate your two fields into one and then convert to raster. Steve ... View more

Max combined area will give different output because the values may be different. See How Polygon To Raster works in the help. Why don't you use the CELL_CENTER method and use the polygon FC's object-id field and then join the polygon's attribute table to the rasters table and persist it to a new raster. ... View more

IDW in Spatial Analyst will only use one point. However, it may be the first or last one encountered. Geostatistical Analyst on the other hand lets you control how coincident data should be handled. A big word of caution. There are many tools available in ArcGIS to identify and manipulate coincident data. Use them to determine which points to drop. For example, you have 5 coincident points. 1 has a "good" value and the other 4 have "bad" values. You need to make sure that you're using the "good" one. Steve ... View more

Ron If it is a new or recent Eval copy that should still be valid please contact Esri Tech Support Steve ... View more

Chris Have a look at http://arcpy.wordpress.com/tag/zonal-statistics/ ... View more