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

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3
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0answers
58 views

Basic arcpy script with cursors running SLOW!

I've got 2 polygons layers (no gaps): IDUs and crops. What I want is to identify the 3 largest crops by % area for each IDU. This seems common enough but I couldn't find a way to do it all using ...
3
votes
1answer
104 views

How can I exclude a field on a table from being copied?

I have a query "layer": >>> r = arcpy.MakeQueryLayer_management(r'C:\path\to\connection\file\connection.sde', 'TEST', 'SELECT T.ID AS OBJECTID, T.* FROM MY_TABLE T WHERE T.SOME_COLUMN = 1', ...
3
votes
0answers
93 views

How to extract zipped shapefile and check its shape type using arcpy module without writing on disk

I have a zipped shapefile saved on my disk. I want to extract it in memory and check the shape type. I'm using arcpy module and want to stick to only default modules comes with python installation. I ...
3
votes
0answers
238 views

Move shapefile from one folder to another using python [closed]

I'm working with shapefiles and using the ArcPy library. My script is creating a new shapefile based on a join and I want to know how to move the newly joined-shapefile from the environment location ...
3
votes
0answers
273 views

Is “Python scripting for ArcGIS” book a good reference? [closed]

I'm thinking of purchasing the Python Scripting for ArcGIS book. I haven't seen any reviews on the book. I was wondering if anyone here has read or flipped through it that can make any suggestions
3
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0answers
714 views

How to rotate and move polygons to different angles using ModelBuilder (or ArcPy)?

I have a few thousand polygons (all square) that I need to rotate to various angles that are in the attribute table, and then move so that each polygon gets moved 3/4 up from the original centroid, ...
3
votes
1answer
229 views

How come “Zoom to Polygon” always puts me in the middle of Nebraska?

This is an issue related to this question I'd asked a few days ago. I've got that code working, to an extent. Every time, though, that I double click on one of the Polygons in the attribute table that ...
3
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0answers
51 views

arcpy adding time to Raster Mosiac Footprint

I am trying to create a raster mosiac for use in animating data over time. The current workflow is: Create .gdb (arcpy.CreateFileGDB_management) Create Raster Mosaic ...
3
votes
1answer
182 views

Exporting records from an attribute table and placing them in a txt file

I am trying desperately to grab records in a shapefile's attribute table and copy them, with additional formatting to a txt file. Below is the code I have developed thus far: I have used the ...
3
votes
0answers
540 views

Reset python add-in

I have a toolbar which enables a second and third combobox when a selection is made on the previous. I would like to add a button to 'reset' the toolbar. Basically reload the toolbar to it's original ...
3
votes
0answers
98 views

Why aren't a layer's serviceProperties exposed if the data source is broken? [closed]

In ArcObjects you can get the service properties of a map layer by looking at its IWorkspaceName.ConnectionProperties property set, even if the layer is currently invalid due to a broken connection. ...
3
votes
1answer
145 views

Enabling ArcSDE Archiving with Python and C API using ArcGIS 10.0?

I have a script that does some register as versioned and updating privileges. How would I call into the c api for ArcSDE to enable archiving with python? ...
3
votes
1answer
1k views

ArcPy replaceDataSource

I'm attempting to replace a datasource in an outline map frame using ArcPy. The rest of the script seems to run OK, but after the script has run the datasource the datasource of that layer shows an ...
3
votes
0answers
223 views

How to symbolize vector features using RGB values stored in three fields?

I need to symbolize a vector layer in Arcmap based on RGB (or HSB - can do either) values found in fields in the attribute table. I'm working with up to 10 different datasets, each with over 100 ...
3
votes
1answer
2k views

error on mxd.save/saveACopy

I'm trying to use arcpy to save an .mxd and am having an issue. It doesn't matter if I use mxd.save or mxd.saveACopy I get the same error. I know it doesn't look like I am doing anything w/ it here, ...
3
votes
1answer
164 views

No placement inside feature dataset using arcpy XYtoLine?

When I run the following code with the outFC creation path set to a feature dataset inside a file geodatabase... arcpy.XYToLine_management(tempFC, outFC, "POINT_X", "POINT_Y", "NEAR_X", "NEAR_Y", ...
3
votes
1answer
841 views

Multiline VBScript Label Expressions in Arcpy

I am able to set simple label expressions, but when I try to set multiline expressions (which all VBScript expressions are) it does not get copied into the expression box properly. I have tried using ...
2
votes
3answers
134 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
4answers
347 views

Error When Trying to Run Slope Analysis Script

I have written a script which is supposed to loop through all the rasters in a folder and perform a slope analysis on each raster and save the results in another folder. I keep getting the following ...
2
votes
3answers
502 views

Adding a new field and calculating area using Python

Using Python, how do you add a new field to your shape file and calculate the area in km2?
2
votes
2answers
551 views

How to select specific filenames nested within several folders?

I have hundreds of shapefiles that are stored in separate folders, which are nested within several other folders. Among the shapefiles I only need the ones that are named 'POINT*.shp' How do I get ...
2
votes
1answer
950 views

How to add feature class to MXD with ArcPy (Python)?

I am using ArcGIS 10.1 and I am trying to add a feature class that I create to an MXD, so that I can join to it. This all needs to be done using Python. Is this possible?
2
votes
2answers
2k views

how to get ALL FIELD NAMES from table? (using arcpy.ListFields)

I have a table: , Script at ModelBuilder's "calculate values": Expression: a("%path%") Code BLOCK: def a(path): fields = arcpy.ListFields(path,"FID_*") for field in fields: return ...
2
votes
2answers
1k views

ArcGIS and Python Issues with Different Versions

As we know, there are few versions of Arcgis (9.x,10) and Python(2.x,3.x) are in use. Issues are facing when we run scripts/toolbox of arcgis since the script written in one version of python and the ...
2
votes
3answers
2k views

Does ArcGIS 10 have a Geoprocessor Programming Model by using Arcpy?

Does ArcGIS 10 have a Geoprocessor Programming Model by using Arcpy? is it possible to use ArcGIS 9.3 Geoprocessor Programming Model within ArcGIS 10?
2
votes
1answer
240 views

How to change value of an individual pixel using arcpy?

I want to change the value of an individual pixel in a raster using arcpy. The code I wrote for changing the value is below, but it changes all of pixels in my raster. How can I set an individual ...
2
votes
2answers
87 views

Performing an Arcpy code using Python on all shapefiles in a folder or geodatabase?

I have a geodatabase with many polyline feature classes all with different names. I would like to write a code in python ArcGIS 10.1 to use a geoprossing tool on all classes in the gdb. How would this ...
2
votes
3answers
392 views

How to set Definition Query on ArcPy layer from shapefile?

I'm trying to determine options to set a layer definition query using ArcPy. I know that it is possible when using arcpy.mapping.ListLayers(). However, in this scenario I am loading in ...
2
votes
1answer
110 views

How to calculate a field in using updatecursor?

I'm trying to simply add a string in front of a group of numbers from another field in a new field. The filed I'm using update cursor in is GIS_ID_PAM and I'm trying to bring over numbers from a ...
2
votes
2answers
154 views

Why use “ from arcpy.sa import * ”

Previously on the following post: How to get an extent for Raster using python A user edited the original Python script by adding the following code: from arcpy.sa import * Why did he do this and ...
2
votes
2answers
275 views

Errors using SelectLayerByAttribute in ArcPy

I cannot for the life of me persuade SelectLayerByAttribute to work (I need to automate this for a complex script). Working in ArcMap's python console on already loaded shapefile, the format below: ...
2
votes
4answers
2k views

How to enumerate ArcGIS Server 10 map services with ArcPy

I need to connect to ArcGIS server with ArcPy and enumerate over map services. I need to: Loop through each ArcGIS server map service Stop/Start the service Get the service source document (MXD/MSD) ...
2
votes
1answer
266 views

How to build SQL Expressions in ArcGIS 10.1 Python script tool dialog?

I've made a python tool that requires the user to establish which state to select within an input's table (the "Prepared Footprint"). However, once the user drops in the layer and tries to write the ...
2
votes
2answers
62 views

Need to understand desc.workspaceType to use in conditionals

I need to differentiate between two possible types of workspaces for an arcpy script. So I check the workspaceType: rootWorkspace = raw_input('Geodatabase workspace to analyze: ') desc = ...
2
votes
3answers
286 views

ArcPy nested loop problem

I have a question connected with ArcPy. I was trying to make a nested loop with 2 cursors - 1st with 2 elements and 2nd with 5 elements. The statement should return 10 connections, e.g. 1-1, 1-2, ... ...
2
votes
2answers
625 views

arcpy.da.updatecursor to delete duplicate rows where values switch columns

I'm trying to dissolve polygons using polygon neighbors in arcgis 10.1, but don't want to use duplicate rows. However, the field values will switch when they're duplicated. If I run this: ...
2
votes
1answer
710 views

How to write point geometries with arcpy instead of gp syntax?

Can someone help me fix some code that simply writes points into a featureclass? It used to work in the older gp. syntax, but I'm having difficulties rewriting it in arcpy for ArcGIS 10.0. In this ...
2
votes
3answers
1k views

How to use ArcGIS 10.1 to make Python scripts for ArcGIS 9.3?

Recently I have been making scripts to run geoprocessing tools for a client who is running ArcGIS 9.3. However I only have access to ArcGIS 10.1. As a result I cannot use model builder in 10.1, and ...
2
votes
3answers
97 views

Points from python directly to ArcMap

I have a python code that is generating coordinates one by one. Is there a way to display them directly in ArcMap as they are generated? I am aware of the insert cursor but the lock on the table ...
2
votes
3answers
123 views

Loop with arcpy.ListFiles

I'm super new on here and have also not much experience with Python but I really like to learn to work with this language. I'm tying to write a script for this: I think I need a for loop instead ...
2
votes
3answers
124 views

Iterating using search cursor and layer selection performance?

I'm trying to use the results of a search cursor to iteratively make selections on a feature class and then create new feature classes (so you get a new feature class or shp for each unique value in a ...
2
votes
1answer
157 views

ESRI File Geodatabase with a field calculator with an incrementing number

I've got a python script that runs on the Field Calculator of a ESRI File Database. Right now it runs correctly in that it will increment the last three digits of the value. But this is a script ...
2
votes
1answer
157 views

How to check if a shapefile is empty with arcpy

I have a bunch of shapefiles in a folder. But some of them are empty, i.e. there are no rows within the shapefile. Is there a simply to find those empty shapefile out?
2
votes
2answers
1k views

Possible to add multiple fields in single arcpy statement?

I'm trying to add multiple fields to a table using arcpy and am wondering if it's possible to have multiple fields declared in the AddField management, and their values, separated by commas or ...
2
votes
2answers
767 views

How do I construct a file path within Python for a Feature Class within a Feature Dataset?

Based on my understanding of the ArcGIS path structure, a feature class inside a feature dataset inside a geodatabase can be accessed by the following: C:\Menu\Lunch.gdb\Sandwich\Cheese Where ...
2
votes
2answers
311 views

The name contains invalid characters

I'm having a problem with the following script. When listing parameters that are optional I've used the "" before, so I can't figure out why this isn't working. import arcpy import os ...
2
votes
3answers
445 views

Is there a way in arcpy to convert map units from feet to decimal degrees?

This is my problem: I have an arcpy script that finds the XMax, XMin, YMax, and YMin of a polygon. It shows the results in feet, but I want them to be in decimal degrees. In ArcMap I can change the ...
2
votes
3answers
1k views

Arcpy Max Value per Group in One Field

I have a point shapefile that have two attributes that I want to extract from them. These two fields are "Group" and "Distance" I want to grab the maximum "distance" from each unique number in the ...
2
votes
2answers
592 views

How do you use folders as input/output parameters

What I want to do is to go into a folder, find a layer file, pull it into an MXD, then export a jpeg in an output folder. Everything is great except I don't know how to set the input/output folders. ...
2
votes
1answer
135 views

64 bit Python on ArcGIS 10.2.2 for Desktop

I am trying to have Python 64-bit with ArcGIS so that I can use my entire RAM when doing data analysis. Apparently ArcGIS 10.2 Desktop comes just with 'Python 32-bit'. Should I install a fresh Python ...