0
votes
2answers
41 views

arcpy calculate string field: Any ideas what how to fix this?

I'm trying to store a string value obtained from a loop through a tuple into a field called ROW_1. The code goes like this: for creekclass in listOfClassTuples: (classname, Permanency, ...
5
votes
1answer
33 views

PySAL natural breaks from Numpy array

I am attempting to extract natural break values from a raster using Python. The intended process goes: Arcpy raster object to NumPy Array (using RasterToNumPyArray) to natural break values (using ...
1
vote
0answers
22 views

User input and passing variables with ModelBuilder

I have created three modelbuilder tools that must be run in sequence. After running each tool, the user must examine several shapefiles and potentially change the input parameters of the next tool. ...
2
votes
0answers
52 views

Identifying certain polygon from overlapping set

To clean up a large shapefile, I am looking for a way to do the following: I have the ID of many polygons which need getting rid of stored in a list. These polygons are villages and a second ...
2
votes
1answer
56 views

ListRasters based on filename using Arcpy

I am trying to create a python script for ArcMap which calculates the ndvi from two raster images for each RGB/NIR pair in a folder. However, I am unsure how to create two raster lists; one which ...
0
votes
0answers
59 views

Looping through each specified layer and exporting PDF map showing shapefile and information taken from each attribute table?

I have been working on an automation script for the purpose of mass pdf exportmaps. I am required to export many pdf maps showing individual boundary files and client information. I believe the ...
1
vote
1answer
20 views

ArcGIS 10.2.1 working with time and reporting when feature geometry has changed

I'm working, with ArcGIS 10.2, ona whole lot of petroleum licencing data that chops and changes, in active areas, on a relatively frequent period. i collect the geometry data month by month (saving ...
1
vote
1answer
82 views

Simple field calculator equation in ArcGIS 10.2.1 not working with python parser

I am trying to calculate a percentage in a field in a table. customers and total_customers are short integer fields. arcpy.AddField_management(tableSepSel2, "percent", "DOUBLE") ...
0
votes
0answers
53 views

Why will my field calculator python function always return Null if any inputs are Null?

I've written a simple python function that outputs a list based on yes/no fields. It appends a word to a list if it has a "yes" in another column then writes the list, formatted according to the ...
1
vote
0answers
57 views

Cumulative field calculation using Python in ArcGIS for Desktop?

I am using the following Python code to sum cumulatively but I need the summation to take place while the other field is equal to 1 and then again start the summation when it's equal to 2. I need the ...
3
votes
1answer
71 views

Using if/elif for passing null values to Python of label expression in ArcGIS for Desktop?

I am trying to pass the Null values in label expression in advance python section. I have this code and it's not working. Note that all my values in [TX_SECT] and [ABSTRACT] are numbers. def ...
3
votes
2answers
115 views

Python code to compare two fields in different feature layers?

I have two shapefiles which encompass 3897 features each. Corresponding shapefiles (village and watershed that flows into it) have the same ID (ws_id in one, OBJECTID in the other). Many watersheds ...
2
votes
0answers
32 views

arcpy with multiprocessing throws “UnpickleableError: Cannot pickle <type 'geoprocessing Layer object'> objects”

I'm attempting to speed up a process which is currently running synchronously, by using the python multiprocessing module. I'm having trouble sending a feature layer to a function which is called by ...
3
votes
1answer
44 views

Generate end points from a layer that contains multiple lines

I generate a layer file that has multiple parallel lines, that I want is to sequentially (from OBJECTID(1) to OBJECTID(Max)) create a point at each end point of the line segments and number these ...
1
vote
0answers
21 views

Setting up ArcPad applet (Python) that calls arcgisscripting?

I've been asked to support a legacy script that was "made" (read: found) by a former coworker. My python skills are pretty basic, so I went right to installing the applet like I would for a VBS ...
3
votes
2answers
102 views

How I can reverse numbers in a string without reversing any text? [closed]

I have a string, I need to reverse just the numbers in the string without the text: String: [321 test] The result will be: [123 test]
0
votes
1answer
34 views

Label related records in ArcMap from enterprise geodatabase

Two questions related to labeling 1:M related records in ArcGIS 10.2. I have successfully built an Advanced Label expression in Python to label records from a related table. I am currently working ...
0
votes
1answer
20 views

How can i automatically display the output of my toolbox?

i have made a python toolbox (.pyt file) and run it in Arcgis 10.1. The Output is a raster and I want it to automatically show up in the Arcmap viewer. The option for displaying the output of ...
2
votes
2answers
32 views

Assigning a vector to a field in feature class (UpdateCursor)

I don't know if my mistake is of a general nature. I come from R where it is very easy to store a vector in a matrix column. So now I (new to coding with arcpy) am desperately trying to do the same ...
1
vote
0answers
19 views

Ungenerate command in ArcGIS for Desktop? [duplicate]

I am searching for the ungenerate command in argis10 desktop. I get to know that is available only for workstation. But i don't have workstation. Is there any way to use this command or any other way ...
0
votes
1answer
26 views

Is there a method to determine the sources that are used in a model in ArcGIS?

I have a model that I have had to go through to model parameters in order to create a geoprocessing service. Is there a way to check all sources that are being used in the model via python? I am ...
1
vote
1answer
30 views

Programmatically access HTML Popup in Layer Properties ArcGIS 10.2

Is it possible to access HTML Popups (found in layer properties) programmatically in ArcGIS 10.2? I can't find any reference but thought I'd ask to double check.
1
vote
2answers
48 views

How to concatenate double with string in field calculator with Python expression?

I'd like to concatenate my lat/lng with a few string fields in ArcGIS. What is the correct expression to use, avoiding VBA. I don't want to convert the lat/lng fields to string either. my 4 fields ...
1
vote
0answers
16 views

Python Script calling custom model failing during model execution

I have a python script that calls a model I built in model builder. If I run the model by itself it runs perfectly. If I call the model in the python script, the model errors in various locations. ...
1
vote
1answer
40 views

Load feature class with tab delimited file that is missing Lat/Long

I am working on a Python script that receives a nightly tab delimited flat file. This flat file has Latitude and Longitude fields and the script loads the data using the gp tools Make XY Event Layer ...
11
votes
5answers
2k views

Python is only using one core at a time to work

I noticed recently that python is only using one core at a time to work. Is there a way, maybe special builds or commands, to make it use all resources (second core)?
1
vote
2answers
37 views

Error "unsupported operand type(s) for +: 'int' and 'NoneType' for variance in python

I recently came up with an error in a script I am working with in Python for ArcGIS 10.1. The strange thing about it is that this script works for some files and not for others. Any ideas as to why ...
1
vote
2answers
96 views

Join Field works in ArcMap but not in Python

I am trying to join a field of values found within a DBF to a multi-polyline shapefile. They share a common field name (filename) and the values found within each are identical. I was able to run Join ...
3
votes
2answers
61 views

Script for numbering roads based on Cardinal Direction

I am kind of new to python, and am attempting to write a script that will give me a unique identifier for roads based on the cardinal direction. Ultimatley, I would like to have a system set up such ...
2
votes
0answers
46 views

Run a large model by calling it in a python script?

I've created a rather large model containing a sub-model that calculates the volume of water basins(playas) in a relatively flat area of Texas. The volume is taken from one foot slices of each each ...
5
votes
1answer
108 views

Is it possible to drive one mxd (pan) using a different mxd with python?

I have 2 mxd's. mxdA and mxdB They both show different data, but are both in the same coordinate system. I want to be able to sync mxdB with mxdA, so that if I pan / zoom in mxdA, I can then, with ...
1
vote
1answer
38 views

Error on FeatureClass To FeatureClass conversion arcpy

I am currently working on a python script where I am trying to copy selected features into a feature dataset. Basically I have an mxd containing some layers, and for each layer I select features by ...
3
votes
1answer
114 views

Why is this field calculator expression evaluated incorrectly when using Python syntax?

I have a polygon featureclass containing an integer field 'gridcode'. I've added 2 new float fields VB_calc and Python_calc, both of which should be equal to gridcode / 1,000,000. If I calculate the ...
1
vote
1answer
85 views

Installing Pandas in ArcGIS 10.2 for Desktop?

I followed the very clear directions in the answer to Installing pandas with Esri's python? and created the Esri101 build and added a "conda.pth" file to my ...
1
vote
1answer
49 views

Extract Values to Points between rasters and point shapefiles of the same name

I have a task of extracting raster values to point shapefiles, which is simple enough, but only where the raster filename is identical to the shapefile. For example, I have shapefiles "G1", "G2", ...
3
votes
1answer
35 views

Merging .dbf Tables in Python w/o merging all fields of same name

I'd like to merge several tables together using Python. They all have the same field names: "TIME", "X", "Y", and "VALUE". I would like the "VALUE" fields to remain separate when merged, so that the ...
1
vote
2answers
28 views

Parcel Map - How Many Acres of Feature X fall Within Each Parcel

Can someone recommend a good tool for ArcGIS that would help summarize how many acres of a polygon feature occur within each parcel in a separate layer. I have a layer containing a few hundred ...
2
votes
1answer
50 views

Basin numbering according to Pfafstetter Method?

I would like to divide my basin into subbasins and numbers according to the Pfafstetter method. Is there an easy way to implement this in Python using ArcPy? Or are there some freely available ...
0
votes
0answers
49 views

ArcPy loops/cursors faster without background processing?

I am running loops via cursors and raw Python in Arcpy. Within the loop several processes take place, selecting shapefiles and converting to raster, clipping, running euclidean distances, extracting ...
3
votes
1answer
28 views

How to find the distance between start of line and start of raster with arcpy/python?

I'am creating a python script tool for ArcGIS Desktop 10.1 to extract profiles. I’m using stack profile to extract values to a table but stack profile only outputs values where the line and raster ...
2
votes
3answers
49 views

How to increase raster extent by filling extent with no data using ArcGIS Desktop without Spatial Analyst?

I am using feature to raster to rasterize water polygons. It only makes a raster the extent of the features in the polygons, whereas I would like it to be the extent of another existing .tif image. ...
1
vote
1answer
39 views

Overwrite option on a standalone ZonalStatisticsAsTable using ArcPy

How can I code an "overwrite option" on a standalone ZonalStatisticsAsTable using ArcPy? I don't see any overwrite option from a Esri example. # Execute ZonalStatisticsAsTable outZSaT = ...
1
vote
2answers
44 views

How to skip over errors created by cursors running through empty tables?

I am trying to automate the creation of many different feature layers were their content is created by a cursor. Sometimes during the automation, a feature layer may be empty, this is okay, but as the ...
2
votes
1answer
60 views

How do I rename rasters in an mxd by using my csv?

I have the following data in a csv: RasterName First name Raster 1 Aaron Raster 1 Paul Raster 2 Bryan Raster 3 Cranston Raster 3 Vince I have added these ...
2
votes
3answers
148 views

Clipping faster (i.e. in bulk/batch) in ArcGIS for Desktop?

I have 100 different input vector layers and one clip feature vector layer. I have to clip them 100 times but its a large amount of work. Is there any Python script (ArcPy) in ArcGIS for Desktop ...
2
votes
1answer
148 views

Python Syntax Error when running Python Snippet of successful geoprocess

I am having an issue with a simple python snippet. Here's the background: I wanted to include an additional step in a nightly update script that replaces characters in a field that simply do not play ...
4
votes
2answers
75 views

How to access raster NoData value?

I am trying to programmatically access the NoData value in a raster dataset as shown in the screenshot. Two tools that come to mind to describe raster properties do not seem to be able to describe ...
0
votes
1answer
59 views

Field Calculator If/Then in ArcGis 10.1

I've been looking through these threads, i found something similar and thought it could be the answer, but it doen't seem to work for me... I could do this the slow way with Select By Attributes, but ...
1
vote
0answers
62 views

Cause of Field Calculator UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 5: ordinal not in range(128)? [closed]

def Befahrung(value1,value2): if value1 is ' ': return ' ' else: return "G:\\Example\\" + str(value1) + "\\File_" + str(value2) + ".pdf" I try to create a field with a hyperlink. It works ...
1
vote
0answers
41 views

Scaling features based on an attribute

I would like to scale polygon features by a specific factor I have calculated for each feature in a feature class. I know of the Scale tool, however it only allows for manual entry of a scale factor ...