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

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arcpy.da.UpdateCursor - How to upload last column from Field Name List?

examples: for field in arcpy.ListFields(fc): if field.name != 'Hi': arcpy.AddField_management(fc, 'Hi', 'FLOAT') else: print "kolona Hi vec postoji" with ...
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1answer
17 views

arcpy.da.UpdateCursor - how to make multiplication of each column with the selected column, for each row in particular?

If I have a table with a number of columns [col1, col2, col3 ... col_n] how to perform multiplication of each column with one selected column, for example: multiplication = col1 * col_def, ...
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1answer
23 views

Which arguments are incorrect when running ArcGIS example for arcpy.mapping.ListBookmarks and eporting to PDF arcpy.mapping.ExportToPDF?

I want to use the bookmarks in ArcMap 10.2.2 and 10.3 MXDs to loop through the bookmarks, zoom to the extent of said bookmark and then export a PDF by renaming the PDF with the name of the bookmark. ...
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0answers
26 views

Creating several buffers in a loop fails

I'm experiencing a very weird behaviour when I try to create either several single or multiple buffers. I have a python script which conducts geoprocessing (creating buffers is one of the first steps) ...
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3answers
58 views

Sum fields from ListFields - RuntimeError: A column was specified that does not exist?

Does anyone have a suggestion on how to otherwise solve the problem ... The need to automatically generate all the columns from the table, the calculation of the sum, the results are updated in the ...
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36 views

Using if loop to concatenate rows Python [on hold]

I have a python script which brings in a JSON web-service I would like to concatenate rows. I have tried using the script before, but my table ends up truncated, with my SRList containing only 1 item ...
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2answers
25 views

Trying to delete identical values within an update cursor

I'm trying to use the DeleteIdentical_management tool within an update cursor. I'm pretty sure I'm going about this the wrong way, I'd like to see if someone could help. I'm relatively new to python, ...
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0answers
28 views

Update Layer Symbology based on 1 field with changing data

I am running ArcGIS 10.2.2 Version 10.2.2.3552, using ArcMap. I have quite a big task here and before i attempt it i want to know if it is even possible. I've looked up some similar questions on ...
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1answer
30 views

How to trigger a Python script from an ArcGIS Desktop “save” operation?

Similar to the question Run a Python Script when opening an MXD, I'm looking for a way to run a Python script that is triggered when the "Save" command/button is pressed. I've read the Creating a ...
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1answer
21 views

Export as Python script from ModelBuilder never completes?

The script below was exported from ModelBuilder and runs within ModelBuilder in about 7.5 seconds. However when I export it and try to run it as a standalone script in either PyScripter or the ...
3
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1answer
24 views

What does InsertRow() return if the insert is not successful?

I have some basic code that inserts rows using an InsertCursor. oc = arcpy.da.InsertCursor(outputFC, someFields) for item in rowsForInsertCursor: tmp = oc.insertRow(item) del oc It seems the ...
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25 views

How do you project a single pointGeometry object with arcpy?

In an attempt to create a python add-in for ArcMap that will pass x and y coordinates to another application via a mouse click on the map, I have written the following code. I need the output ...
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1answer
28 views

Python Toolbox Parameter List Update/Refresh?

I am using a python toolbox in ArcGIS 10.2.2 and want a drop down list of all the versions for the person reconciling to choose from. (And I do not want to include dbo.DEFAULT and DS.Draft). But this ...
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1answer
57 views

Understanding Python / ArcPy code? [on hold]

I am looking for a walk through of the Python code below to explain how it works in ArcGIS. #import modules import arcpy, os #set env arcpy.env.overwriteOutput = 1 ws = ...
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1answer
23 views

Planarize tool in ArcPy?

Is there a way to use the Planarize Tool (Editing tool) in a ArcPy script. I want to create a script for a question I posted and with the help of the community resolved that problem. Please see the ...
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0answers
45 views

How to use python in arcgis to create new layer from selection and export into individual maps

I am trying to create county level maps by looping through a master file for each county. However, I get an error message when I try to run the code. I'm not sure what is wrong with my code and I ...
1
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1answer
28 views

When using Data Driven Pages is it possible to tell if a feature is contained within the layout?

I'm using polygons to drive my DataDriven Pages in ArcMap Standard 10.2. I have a point feature that shares a common attribute with the driver polygon, and using the Page Definition, I am showing ...
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1answer
27 views

Saving Feature Class Symbology into a Layer or Object to apply to another Feature Class

I am creating a tool to automate a data standardization process. Part of this process is saving the feature class (variable "filename") as a layer file, projecting it into another coordinate system ...
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2answers
50 views

How to create folders from shapefile attributes using ArcPy/Python?

I am wondering if anyone has solved this or can help me on my code. I have a Parcel shapefile, and I would like to create folders based on the attribute data (per row) from a field in the shapefile; ...
0
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1answer
38 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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0answers
13 views

overlap test of raster and polygon

I have a shapefile with many polygons and many raster datasets (tif). Now, for each polygon I want to extract its area from the each raster datasets overlapping the polygon and save it to a new ...
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1answer
33 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 ...
0
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1answer
79 views

Cannot convert string to int using ArcPy Calculate Field

When I load a csv file to join with ArcPy, it converts all string fields that are numeric to integers. Therefore, I have to add another field within the feature class that I'm using for joining that ...
0
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1answer
20 views

Script to batch export pdf causing incorrect inset map

I have written a python script to batch export several pdfs from a single mxd, switching layers on/off and naming the output pdf based on values supplied by the user in a csv file. We import the ...
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55 views

Apart from “in-memory” space and physical geodatabase, is there any other method to process raster data?

Using the centroid of the building footprints (tagged residential), I want a count of hydrants within 135m, and a count of hydrants within 270m of every residential footprint. This would be based on a ...
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1answer
26 views

How to get layers created in a custom toolbox python script to add to the mxd

I'm trying to create a simple search tool so that my colleagues can easily query a database. My first version is like this. mxd = arcpy.mapping.MapDocument("CURRENT") df = ...
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3answers
29 views

Arcpy update value in field based on value in another field

I am creating a level of service tool and i need to update the number of lanes field based on the operation type of the road. what i need it to do is if the operationtpe equal 2W then the number of ...
2
votes
1answer
32 views

Arcpy if statement to act on layers at the top level of hierarchy

I am about to save copies of all of the layers in my mxd. I only want to save the top level group layers though. I have some group layers within group layers - I dont want to save them individually. ...
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0answers
27 views

How to to get time slice in raster dataset using ArcGIS?

I have a couple of rasters made in different time. Some of the rasters are overlapping and some of them - not. I need fast and efficient way to get time sliced values for each pixel. For example: ...
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2answers
35 views

Automation of changing symbology for a given layer

I have a shape file that is a 10-by-10 grid of squares. The shape file has 50 attribute columns (named p_1 through p_50) where each column has 100 entries (corresponding to the 100 grid squares) and ...
0
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2answers
28 views

batch save as layer to relative path in ArcPy

I would like to use a similar code as below, but one that uses relative paths. Since my input is a batch of tif files (not layers), I do not know if I need to use other functions like ...
5
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2answers
180 views

How to run a python script on the server, returning the results to the client

Here's the end result I'm trying for: the user clicks on a feature on an ArcGIS Server JS map a Python script is triggered on the server the Python script uses an attribute from the feature (eg its ...
3
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1answer
55 views

More efficient way to get the start and the end points of a line (arcpy)?

I am collecting start and end points for a large polyline feature class in a file geodatabase. I am using arcpy, ArcGIS 10.3, Python 2.7.3 64-bit and a 10.3 compressed file geodatabase with just one ...
1
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1answer
23 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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2answers
98 views
+50

How to set NULL value by arcpy.da.InsertCursor on date column?

How to set NULL value by arcpy.da.InsertCursor on date column? I try insert "NULL", None, '', 0 dictIN= [{'field1':"test1",'date1':'01-02-2015','date2':''},\ ...
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1answer
55 views

Pythonic way to recalculate feature extent in ArcGIS 10.2

I am creating a tool that will automate a tedious process of data standardization. One of the steps is to recalculate the feature extent of a SDE file. Surprisingly I cannot find anything useful in ...
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2answers
36 views

Inline variable substitution in Model Builder using python code

I have an inline variable substiution which I would like to import into my Python script. Is that possible? I am trying to make a parameter within my path. My path currently is ...
1
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1answer
41 views

ArcGIS geometry update from table XY

I am trying to update the geometry of a point FC stored in a FileGeodatabase using ArcPy. I got this Python script to compare the values of the SHAPE@X and SHAPE@Y and change the Geometry if not ...
1
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1answer
26 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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0answers
37 views

Arcpy.Exists Fails On Existing Layers

I am running into an issue where the arcpy.Exists() function returns a false for a known good layer in the python interactive window. We are using a map document template for the layers set up in the ...
5
votes
2answers
439 views

Split one field into 3 fields?

I need to split the values in a field according to what they represent to be able to do a join on the data. As seen above I have a ID field that needs to be split into the following: The ID consist ...
0
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1answer
24 views

Accessing “valueField” property of layer's symbology using ArcPy?

This has been really hard to debug, as I had no idea where to look at first, but I have made an attempt to access the "valueField" property of a layer file. This layer file is of the UNIQUE_VALUES ...
0
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1answer
18 views

How to troubleshoot “RuntimeError: The field is not nullable [Column_Name]”?

I have a python (arcpy) script that extracts data from a database table, processes it, and inserts into a feature class. It works in my development environment but not in production. I recently ...
0
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2answers
57 views

Set arcpy command line parameter same as Tool parameter

I have a python script that works correctly when used in a toolbox but not from the command line. How do I duplicate the toolbox magic that happens when specifying a parameter Data Type? There is ...
2
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2answers
71 views

Using lists in Python functions [closed]

I have some code in a function that uses a list, which works, but is there a way to write a list outside of the function and use it within the function code? For example in my code below I have a ...
2
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2answers
53 views

How to get cell value along Flow Direction

I have: a flow direction raster where I took off (assigned NoData value) the cells that overlayed the river network (from flow accumulation). a perfectly overlapping raster where I asigned a ...
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2answers
149 views

Why is my cursor empty?

Yesterday I set up a Python script using a cursor on a layer. Today I've tried running again and no matter what I run it in, the cursor is empty. I've tried removing the query on the layer, tried ...
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0answers
55 views

Problem exporting ecw project- arcpy

I work with arcview 10.3. Every time i export maps with ecw raster format , python (version 2.7.8) get crashed and i see: I use this code: import arcpy,os,sys,string import arcpy.mapping from arcpy ...
2
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1answer
220 views

What is the word for “Bar” progress and write it in python script?

I am a beginner in python and have written a few scripts and I am wondering if there is a term for python to call and show the progress of the bar telling you from start to finish like you see in ...
2
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1answer
44 views

ArcGIS Python Toolbox Parameter Filter.List ValueList Delete/Remove for Reconciling Versions

Does anyone know if and how you can remove a value from a parameter filter list? In my case, I am using a python toolbox in ArcGIS 10.2.2 and want a drop down list of all the versions for the person ...