Tagged Questions

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

learn more… | top users | synonyms (1)

3
votes
2answers
53 views

How to calculate the a list of rasters?

I'm writing ArcPy code in ArcGIS trying to calculate a list of rasters. I get an error message that says: TypeError: unsupported operand type(s) for -: 'unicode' and 'unicode'. Here's my ...
2
votes
1answer
48 views

Parameter Not Being Included in Tool

I have been attempting to make a Tool within a Toolbox with four different parameters. My code consists of the following: def getParameterInfo(self): """Define parameter definitions""" # ...
2
votes
1answer
71 views

Appending feature classes from one geodatabase to another geodatabase for python

I am attempting to write a stand alone python script which will loop through the first GDB and append each feature class to its corresponding feature class in the second GDB. The error code that I ...
2
votes
2answers
119 views

Use updatcursor to replace values in multiple fields

I have spent a couple days digging through forums here, ESRI help and elsewhere and each variation of the codes I have tried has not worked. As best as I can tell this is due to my attempt to loop ...
3
votes
1answer
39 views

add-in to open automatically "data frame properties

How can created an ArcMap Python add-in using ArcGIS 10.1 to open automatically data frame properties And change the background color of another?
3
votes
0answers
37 views

Get value from Metadata in Python Script for attribute

I am working on a python script to create some feature classes from dbf tables. As part of the script I would like to pull two values (FGDC "publication date" and ArcGIS Spatial Reference ArcGIS ...
1
vote
2answers
181 views

Calculate Fields with Null Values using arcpy.da.UpdateCursor of ArcGIS for Desktop?

How do you calculate fields with null values? I have multiple fields that may have null values, that aren't being calculated in the third field. import arcpy with ...
2
votes
1answer
42 views

Performing equivalent of ArcGIS Identity_analysis (line with poly) using PostGIS?

I've got a section of arcpy code that I need to port PostGIS: Identity_analysis with the in_features being a line featureclass and the identity_features being a polygon featureclass. I'm primarily ...
2
votes
0answers
71 views

How to extract polygons from a road network?

I need to extract faces (or polygons) from my road network and calculate their areas. I mainly use Arcpy packages but even if you know it in QGIS APIs, I'd appreciate if you'd share it with me. If it ...
1
vote
1answer
37 views

Issues with FME and the ArcInfo licence

I have ArcInfo 10.2.1, Python 2.7 and FME 2013 SP4 installed on my Computer. I want to run a python script I exported from ModelBuilder (where it ran without issues) and imported in FME as shutdown ...
1
vote
2answers
41 views

How to provide a default value in an arcpy script?

How do I provide a default value like recommended in every Arcpy script? This script is exported from ModelBuilder where every output except the last one is set to temporary and managed. I want this ...
1
vote
1answer
19 views

buffer by objectid in arcpy

is there a way in Arcpy (arcgis 10.2.1) to buffer lines by selecting thier objectid? arcpy.Buffer_analysis("MY_JUNK","d:/data/ArcGIS/Default.gdb/MY_JUNK_Buffer1","10 ...
0
votes
1answer
18 views

ERROR 000539: Error running expression_NameError: name 'shape title' is not defined

I'm trying to get the title of the shapefiles or feature classes that are in a workspace (folder or GDB), into the field as a Name in python. I know this is easier in modelbuilder by adding %Name% in ...
1
vote
1answer
29 views

How to Set Label Expression Using a Long Field Type in Toolbox

What I am hoping to be able to achieve with this Tool within my Toolbox is to allow the user to input a number of layers and to set all of the labels with the same font settings (font style, color, ...
2
votes
1answer
72 views

using arcpy to get all database names within a server?

I am trying to populate a folder with ArcSDE database connection files for all the databases within a server instance. I need to be able to do this for several of our servers. Although I know within ...
0
votes
2answers
63 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, ...
3
votes
2answers
219 views

How can you alter label styles (font, color, size, etc.) using Python scripting? (ArcGIS 10.2)

I am trying to write a python macro that will automate the process of labeling points in a layer based on different types of apartments. For example, one style of apartments would have a blue square ...
0
votes
0answers
44 views

mxd.saveACopy(outMxd) not working

Getting an intermittent error. I'm opening an MXD, modifying, and then trying to save out with a new name. I think it's because the output MXD name is similar to the input MXD name. Note that I ...
2
votes
2answers
56 views

Python Tool Not Opening

I know that this is definitely an ambiguous question. However, I initially had my Python toolbox working great. I then wanted to have additional functionality with it and added some more coding. ...
0
votes
1answer
174 views

Avoiding ImportError: No module named numpy?

When I try to import ArcPy, I get the following message. Any help would be appreciated.
3
votes
4answers
281 views

Having trouble with 'and' 'or' statements and negative numbers

I have set up a program that calculates the relationship between a point and the first point of a polyline. The aim of the program is to run this calculation and then copy the result to a certain ...
0
votes
1answer
118 views

Python in ArcGis, cannot find what is wrong with my syntax

I am using Feature class to Feature class to batch convert some .dwg files. However python does not like the last statement (name). It's probably something very simple, any idea where I'm going ...
2
votes
2answers
34 views

Preventing ArcPy from changing MXD extent?

I want to process mxd datasources without changing the extent. When I open the MXD in ArcMap and click full extent, I get 1:214,890, after I save and re-open in ArcMap I get what I saved with. ...
1
vote
0answers
30 views

Kriging Interpolation of Daily rainfall data using ArcPy?

I want to perform the interpolation of daily rainfall data for 7 years. I am now working on python using arcpy module. I face several problems while performing interpolation Some day there is no ...
1
vote
0answers
12 views

Error 000725 importing Python (Arcpy) script into tool of standard toolbox? [duplicate]

I have created a Python script. When I run the script as a standalone by make this a hard set path instead of sys.argv1, the script really runs fine. When I import this script as a python tool box ...
5
votes
1answer
60 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
1answer
22 views

Including NoData zones in zonal statistics table

I am running the zonal statistic tool on a raster with a shapefile that consists of several regional polygons. I would like the zonal statistic to include the regions that are completely NoData in the ...
1
vote
1answer
25 views

Changing order of parts in multipart geometry using ArcGIS for Desktop (or ArcPy)?

Is it possible in ArcGIS to change order of the parts in multipart geometry? In the context menu i founded "insert before" , "insert after" but it never comes active ... or is it possible via ...
1
vote
0answers
43 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. ...
1
vote
2answers
89 views

Select points within a polygon and update attributes

This seems really simple but I can't get it to work. I have two feature classes, a polygon of sales areas for a city, and point layer of addresses. I want to select the addresses based on the sales ...
-3
votes
1answer
116 views

Exporting file geodatabase (GDB) to Folder of shapefiles?

I have a geodatabase with several feature dataset and feature classes associated with it. I want to export each feature dataset as folder and feature classes associated with each feature dataset will ...
1
vote
1answer
91 views

Importing file geodatabase (GDB) to table of contents (TOC) of ArcMap?

I have a geodatabase with several feature dataset and feature classes associated with it respectively. I would like to create a .mxd where the Table of contents consist of group layer and each group ...
1
vote
0answers
37 views

ArcPy on 64 bit Windows [duplicate]

I can't import arcpy into 64 bit Python. It works just fine in the python install from arcGIS, though. When I try to import it elsewhere, I get this error: Traceback (most recent call last): File ...
0
votes
0answers
25 views

PythonWin Debugging

My question is theoretical. I want to debug my script in Pythonwin. Everything is OK when I run my script normally (without debugging) but if I am debugging it, my script fails when it tries to read a ...
1
vote
1answer
60 views

Export Multiple Raster Data with custom Cell Size

I Have 172 Raster, and need to change the cellsize. So I use Export Data from TOC and change the cellsize manually (example I want to change it to "3") I tried using this python script to ...
1
vote
3answers
81 views

polygons to polygon conversion with attribute name [duplicate]

1) I have a polygon shapefile with 1000 multi-part polygons in it. Each Row of the table is a multipart polygon. 2) I need 1000 shapefiles with 1 multi-part polygon in each. 3) Each output shapefile ...
2
votes
1answer
67 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 ...
3
votes
1answer
37 views

Accept multiple input types in ArcGIS Script Tools UI

everyone! I'm working on a python script that calculates aggregations of ACS Variables (i.e. adding "Renters who spend more than 30% of Annual Income on Rent", "...40%...", "...50%...", etc.). The ...
1
vote
1answer
54 views

How to generate a choice list (dropdown) in a toolbox that will allow the user to select a field in a csv as input?

I need to input a csv as parameter 1. Parameter 2 should be a dropdown displaying the various fields (the headerline) where I can select a column to use for geoprocessing. Param1: c:\my.csv ...
1
vote
1answer
43 views

How to ascertain if a cell/field contains a value in ArcGIS attribute table

I have done a bit of research on this but can't seem to find an answer. I am wondering if there is a way to identify whether a cell/field in the ArcGIS attribute table contains a value using the ...
0
votes
0answers
75 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 ...
2
votes
1answer
55 views

How to check shape length before running code in Python/ArcPy?

I am using a code to convert a polygon into evenly spaced parallel lines for point in range(0,numPoints+1): shortPoint1 = currentLines[firstLong].positionAlongLine(lineSpaceNum*point) ...
2
votes
1answer
37 views

How to create Multipart Line in ArcPy?

I am developing some script in where I want to create custom multi part line geometry. For example: I have one array of points a,b,c and second array of points e,d,f. I want to create one ...
0
votes
0answers
66 views

Exporting table of contents (TOC) with group layers to file geodatabase (GDB) with feature datasets?

I have created a python code for exporting shapefiles from TOC from different source folder to a output folder. However, in this case, I have some group layers in the Table of Contents (TOC). ...
1
vote
1answer
64 views

Listing all feature datasets and classes from multiple geodatabase into CSV file? [duplicate]

I have a folder having multiple geodatabase and I am calling that folder “Multiplegdb” There are 3 geodatabase in a folder which are as follows: ABC.gdb UVW.gdb XYZ.gdb Each geodatabase have ...
1
vote
1answer
36 views

Batch processing of geodatabases - join raster with table

I am unsure how to go about doing this using Python in ArcMap, though I know how to do it by hand. I have geodatabases containing gSSURGO data, one for each state, in their own folders. I have a ...
0
votes
1answer
32 views

Joining rainfall data to point features using ArcPy?

I have 180 point feature classes with rainfall totals. Each feature class represents one days rainfall for a region and has around 36K points (think of each point as a weather station in the region). ...
1
vote
1answer
45 views

Creating multiple Feature Datasets from table/list using ArcPy?

How to Create multiple Feature Datasets from a table/list. I can create a single feature dataset in a geodatabase with this python code. import arcpy from arcpy import env env.workspace = ...
1
vote
2answers
77 views

How to create a new field with a combination based on another field with arcpy?

I like to create a new txt which has two columns: Id and GRIDCODE. This is the original Table: The Id column of the new txt should have just unique values. I’m able to do this with the following ...
1
vote
1answer
37 views

ArcGIS 10.2 arcpy — how to import/install win32com?

win32com used to be included with arcpy 9.x but no longer. I used to use it to manipulate excel occasionally. I downloaded and let win32com install itself and then tried to follow some online ...