A site-package created by Esri to expose many ArcObjects to Python.

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52 views

Calculating a z value in python

I have some contours where the z value is stored in the geometry and I want to display it as an attribute. I want to include this in a python script. I have an expression which does this in python ...
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2answers
61 views

Arcmap grid index feature

I have used the Grid index feature tool to create an index grid. The label/attribution of the page names are populated in a "row" orientated manner. eg lef to right a1,a2,a3,a4,a5,a6 b1,b2,b3,b4,b5,b6 ...
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48 views

Auto-refreshing triggered by changes in directory for ArcPy?

I have a directory change monitor python script which monitors any changes happened in a directory, I want to trigger Arcmap auto refreshing whenever a change has been detected (eg. a new line added ...
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1answer
29 views

Using WK ID's when using CreateSpatialReference tool

I recently found out how to create specific spatial reference objects and add them to my arcgis python standalone script. ...
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41 views

How to select layer of .shp format by attribute using ArcPy?

I have to first load a vector layer (in .shp format) in arcmap and then it should select to specific attribute (the name of attribute is taken as input from user which i have done). and only selected ...
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49 views

Adding Vertical Reference in Python to ArcGIS feature dataset

I am creating a python script to generate a terrain. In the process I am creating two feature datasets. However, in order to successfully create this FD, i need both horizontal and vertical datums. I ...
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69 views

Creating polygon geometry using points array

I am parsing an Openstreetmap gpx file which I exported from here. I'm trying to put the data into arcgis geodatabase feature classes. Some of the features in the gpx are points (saved as wpt), while ...
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65 views

Compute annual mean of overlapping cells using daily rasters

I am stuck at somewhat simple looking calculation. I have daily temperature rasters from 2001 to 2014 with following name format: `2001001` `2001002` | | `2014365` I want to compute annual mean ...
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62 views

How can I programatically set the “Description” for a ArcPy Geoprocessing Service?

When I create a Python Toolbox (pyt), I set the name and description of the toolbox. When I create the parameters, I can set their name, type, default value, in/out, etc. Basically, everything that ...
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46 views

How to replace field name with a variable in exported whereclause?

In the select by attribute how do I replace "AADT", with a predefined string variable? I don't understand the pattern in "\"AADT\">=" , can you please explain why is it that way when exported from ...
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27 views

Calculating lat/long in NAD 83 and NAD 27 using arcpy or modelbuilder

I have four double columns for lat/long with NAD 83 and NAD 27. The native projection of the data is in NAD 83, but the client want's the attributes filled out for NAD 27 as well. I want to ...
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62 views

Listing Data sources using arcpy: ListLayers very slow

What I am trying to do is create a list of all the data sources in a directory filled with mxds. So I have this code pasted below. For some reason when listing layers it can take up to 50 minutes even ...
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63 views

Adding feature class into ArcGIS 10.3 mxd using python script [duplicate]

I am trying this simple task to add a feature class to an mxd (ArcGIS 10.3) but getting few errors. Here are two options I tried. 1) Preferred option - adding feature class itself into a active ...
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1answer
75 views

Reference Selection in SQL query (where clause)

I keep raising errors with my where_clause in the 9th line of this script. FID is an Object ID field and I want the cursor to select whatever row it is currently pointing at. I don't know how to do ...
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39 views

Does arcpy have any tools for transforming field values in a fieldmapping?

I built my fieldmappings and, for the most part, everything is working. I recall reading somewhere that I could also use fieldmappings to transform field values during the import process. ...
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112 views

arcpy; Select by attribute with an If, then statement

I am looking for some advice on how to construct an if, then statement based on a select by attribute SQL query or some other method (search cursor?). I am asking users to input a unique ID ...
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103 views

Script for selective dissolving of multiple features

I am kinda new to Python and arcpy and have done some basic online courses on this. So I do have an idea how these scripts are structured/written and how they work. Now I have to perform a seemingly ...
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1answer
46 views

Read raster at request size through Python

I'm trying to read the raster (tif) file using Python. What I want is to read the raster at a specific request size rather than its original resolution. Example: If a raster has a cellsize of 5 x ...
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49 views

Python script to accumulate flow volumes for a pipeline geometric network

I have a point wells layer and a polyline pipeline layer. The wells are snapped to the end of the pipeline segments. The wells layer has weekly updated flow volumes and I'd like to find a way to ...
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67 views

ERROR 000157: Input and target dataset should have the same number of bands. Failed to execute (MosaicToNewRaster)

This is just a continuation of my former post:Batch Mosaic Rasters: arcpy.MosaicToNewRaster_management (ERROR 000628: Cannot set input into parameter coordinate_system_for_the_raster) --where I batch ...
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1answer
49 views

ArcGIS 10 ToolValidator - Empty feature class and feature class within declared feature dataset

I'm new to ToolValidator for a script tool and I'd like to make two checks which then adds an error if either rule is violated. I need to make sure parameter 2 and 3 (feature classes) are within ...
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59 views

Export attributes of shapefiles into text file

I'm trying to export attributes of multiple shapefiles a text file. I am multiple getting errors when I run my code not sure what the issue is. Any direction as to where to start to fix this would be ...
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45 views

ExportToPNG with definition query for unique values?

I have a MXD with a layer that has a field that has many values. I need to export multiple layouts to PNG, applying a definition query to show the unique values for that layer. i.e. Just show the ...
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2answers
67 views

Keeping layer name when exporting to CAD?

I am trying to export selected features from layers from SDE into a DXF using python, but it does not retain the layer name. But if I do it manually using the ArcToolbox tool, it does work. Example ...
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1answer
40 views

Time.Sleep between arcpy.mapping.ExportToTIFF in Data Driven Pages

I'm building a code in Python to export in geotiff my imagery. I need specific spots so I created a Data Driven Pages with polygons. Everything works fine, except that my imagery layer takes a long ...
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4answers
76 views

Create Statewide Hydrologic Soil Group Map

This may be better for Engineering? Not sure. Background: Previously I have downloaded SSURGO soil data for the state of Pennsylvania by downloading each county and merging the shapefiles. I then ...
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46 views

Using “calculate field” in python script fails to display Arabic characters correctly

Using “calculate field” in python script fails to display Arabic characters correctly. I have exported the modelbuilder to python script, but unfortunately the Arabic characters cannot by displayed ...
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80 views

Using layer file to apply symbology to shapefile with ArcPy?

I have code that doesn't work at the moment: # Import arcpy module import arcpy # Script arguments Input = arcpy.GetParameterAsText(0) if Input == '#' or not Input: Input = "frame" # provide a ...
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1answer
26 views

How to make a loop for select by attribute?

I am trying to pull out a sample out of a geodatabase file. I have 100800 sample and I need to select 28 records, basically every 3600, I am going to start with FID=0 and go from there. Unfortunately ...
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101 views

Converting multiple File geodatabase (.gdb) into multiple Personal geodatabase (.mdb)

Individually I will Export the gdb to XML Workspace then import that into the personnel geodatabase and all Domains go over fine. But... Let's Say I have several file geodatabase in a folder and Each ...
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60 views

What is causing these streaks in my output tif using arcpy.CopyRaster_management?

This is the line of code that is creating these ... arcpy.CopyRaster_management(raster, fname, "DEFAULTS","0","","","ColormapToRGB","8_BIT_UNSIGNED") and I did have a colormap file with specifics ...
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3answers
72 views

Project only required shapefiles in folder

I have 8 shapefiles in a folder with shapefile 1 and 8 in the same projection and the others (shapefile 2-7) if different projections. Is there a way to use python to use shapefile 1 as the ...
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70 views

The truth value of a raster is ambiguous. Invalid use of raster with Boolean operator or function.

I'm having trouble with an if/else statement in my for loop. I have a raster Vmax with a constant value, another raster V which has a value of 0 in the beginning and will change during execution of ...
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1answer
72 views

ArcGIS OSMLoader arcpy .encode error

I am trying to load a geofabrick .bz2 file into a file geodatabase using the OSM Simple Loader tool from http://arcscripts.esri.com/details.asp?dbid=15137 However it fails each time at this line: ...
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32 views

How can I test for exclusive access to the scratch gdb?

I have an application that uses the scratch geodatabase. Upon completion of our work, we delete the scratch geodatabase. The next time our app runs, scratch gets recreated automatically. How do I test ...
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115 views

Delete empty feature class in modelbuilder - “Calculate Value” Expression problems

I am trying to delete empty feature classes created in the process of intersecting layers with a set-up in modelbuilder. By using Calculate Value tool i have written a code that should do the trick. ...
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190 views

Looping through Layers, Add Layer to MXD, Export Image, Repeat, using ArcPy?

ArcGIS 10.2.2 I am trying to loop through a list of layers in a folder, add each layer to an mxd and export an image of the added layer. I have added arcpy.mapping.RemoveLayer to the script to remove ...
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1answer
149 views

Running Python toolbox tool both standalone from other tools within same Python toolbox?

I have created a python toolbox for work that has two tools inside. These tools use the toolbox template and so have a init, getParameterInfo, etc. I want to be able to run one tool both stand alone ...
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2answers
154 views

Exporting ArcSDE feature classes into file geodatabase with ArcPy?

I would like to use Windows task scheduler to automatically (monthly) create a new file geodatabase and then export feature classes from SDE into the new file geodatabase. Im using this code, however ...
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1answer
87 views

Is it possible to get column names from an ArcSDESQLExecute SELECT execution

I am running ArcGIS 10.0 desktop and querying an Oracle 11g database and writing the results of a SELECT statement out to a CSV file. Everything works great; however, I would love to find a way to ...
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1answer
96 views

Extract area of polygons inside larger polygon and sum their values to a new column

I have two landcover classifications (as shapefiles) created using eCognition. "Level0 (FID)" consist of larger polygons and "Level1 (FID, ClassName, Area_Pxl)" of smaller polygons within these. I ...
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1answer
54 views

Getting error in running ExportReport Python code in ArcMap

i am unable to generate pdf report using ExportReport function of Arcgis 10.2. getting error of IOError: Could not open report template tried different template files but still getting this error. ...
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2answers
170 views

Errors using arcpy.CalculateField_management

EDIT: What I forgot to mention when I first had this question is that I was trying to do these calculations on a layer which had joins, BUT where the join was on data that was added from an Excel ...
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1answer
58 views

Are Database Connections the best way to access Feature Classes?

I wrote some code on my machine, debugged, tested... it works great. Now, a coworker wants to use my scripts. The problem, I used database connections to reference the database and feature classes and ...
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1answer
98 views

Using Python Script to change Pie Chart Symbology

I am trying to change the symbology for Pie chart in ArcGIS. I have a feature class which is joined to a table and I will like to symbolized as a pie chart. I will be symbolizing it a lot thus I am ...
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38 views

How do I insert a date string into the database as a date?

I'm using an InsertCursor to insert rows into a feature class. One of the fields in the source data may contain a NULL data value. The destination feature class requires a date - it is not nullable. ...
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2answers
57 views

SplineWithBarrier (Spatial Analyst) - different results between model builder and external python script

I'm puzzled by different results I get from application of SplineWithBarrier (Spatial Analyst) using Modelbuilder and by external Python scripting: import arcpy points_shp = "pointShape.shp" ...
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127 views

Using ArcGIS model to batch export set of layout view as JPEGs?

I have a large number of layout views I would like to export as JPEG maps using ArcMap 10.0. The layout view is based upon a user defined grid. Normally what I would do is manually select a grid, ...
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46 views

Error using EnableEditorTracking

Using code from http://resources.arcgis.com/en/help/main/10.1/index.html#//00170000016p000000 trying to enable editor tracking. It works fine if there is no feature dataset in the GDB, but the moment ...
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28 views

Creating ArcGIS tool that can run list of checks?

Is it possible to create a tool in Arcmap where by uploading a shapfile, the tool can run a various number of checks/tests (ie intersecting other shapefiles) and flags or highlights conflicting ...