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

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213 views

Add value to a field Python

I was wondering if anyone can help me with some Python? I have a featuers Class with the columns KOMMUNE and GKR and some other columns.. Both columns are string. In the column KOMMUNE I have the ...
1
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1answer
223 views

Precondition in Modelbuilder - use in next process

In modelbuilder I am trying to create a tool which will check the coordinate system of the input shapefile. If it is GCS_WGS_1984, then nothing happens. If it is not, then it will reproject it to ...
3
votes
1answer
674 views

Multiprocessing issues with ArcPy

I am using ArcGIS 'watershed' routine in a script which makes use of multiprocessing. This works fine, but during execution I get the message: Unable to remove directory. Possible causes: 1- Not ...
6
votes
3answers
1k views

Count number of attributes for unique field values

Running ArcGIS 10.1, I have two feature classes in a geodatabase. One is a point FC for polling stations, the other is a polygon FC for states. The polling station FC contains over 1000 points and ...
2
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2answers
274 views

Is there a way to do a python batch script for Analyze and Compress on SDE Databases?

I created and modified python scripts based off of ERSI's example (http://resources.arcgis.com/en/help/main/10.2/index.html#//003n000000v7000000), however, what would be great is to be able to batch ...
3
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1answer
277 views

AddJoin failing in Python ArcGIS [duplicate]

My AddJoin operation is failing: arcpy.CopyRows_management(lup_file,out_dir+'lup') try: # Perform copy rows on merged csv file print 'start' aa = arcpy.Raster(SEIMF) ...
-1
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2answers
2k views

How to compare values from a column in attribute table with values in Dictionary{}?

I am just entering to the python world, hence the level of my question. Can anyone tell me what Python function should I use to compare values stored in one column in an attribute table with values ...
2
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1answer
62 views

How to merge (append) ArcInfo coverages that are inside folder structure using ArcPy?

I'm having a bad time trying to create a script capable of merging a list of arcinfo coverages located inside a folder structure. My goal is to merge the coverages named "car" that are inside each of ...
0
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1answer
110 views

Duplicating Features To Create A Pattern

I'm currently trying to take the 'Shifting Features' script from ArcPy Cafe and this SE response and apply it to a similar script that will one by one, through all the features in a feature class, ...
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0answers
147 views

arcpy.SearchCursor strangely throwing IO Error

I've been trying to use arcpy.SearchCursor on an xls file. Something I've done countless times before. I had a script running and then yesterday it started throwing: IOError: ...
4
votes
3answers
1k views

How to create a geodatabase feature class using a geodatabase table schema with ArcPy?

Is there a way in ArcPy to create an empty polygon geodatabase feature class that will acquire the schema of a geodatabase table? I know that it's possible in ArcCatalog (New -> Feature Class and ...
2
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2answers
848 views

How to generate dynamic legend using ArcPy?

I used this example to produce printing service. As the result I get map with too many elements in the legend. Is it possible ti show classes that are visible in the current map extent using python ...
1
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1answer
480 views

ArcGIS arcpy reprojecting raster issue

I have a raster which I want to reproject from GCS_WGS_1984 to GCS_NorthAmerican_1983. I am using the following code: try: spatial_ref = ...
1
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1answer
871 views

How do I copy polygon features with a WHERE clause using ArcPy.da

This question is similar to Copy a polygon geometry in Arcpy, except within the context of using Arcpy.da instead. I want to copy the geometry from one feature class to another using ArcPy.da (I'm ...
0
votes
1answer
158 views

problem with SelectLayerByAttribute management in script

hello my problem is that this tool works perfectly in IDLE or PyScripter programs, but if I use in the script in ArcGIS desktop this problem occurs: arcgisscripting.ExecuteError:ERROR 000582... why ...
1
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1answer
381 views

Multiply a raster list with a field value list in a FOR loop in ArcPy

I'm trying to create a simple map algebra calculation not managed by ModelBuilder, but writing it in Python is trickier than I thought. I have a list of raster in a GDB and I must multiply them by ...
2
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3answers
220 views

Best way to find points outside state boundary that are supposed to be within specific State

I have a nationwide featureclass called bakeries. In the bakeries FC, there is a field called "State" and the field is populated with state abbreviations(AL,NJ,CT,etc). I have another feature class ...
14
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2answers
2k views

How to make a separate Python installation that can call ArcGIS' arcpy?

I see a lot of threads asking how you can create a separate Python installation (e.g. the Anaconda or Python XY distribution) that can use arcpy, while not 'breaking' the original ArcGIS python ...
1
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1answer
253 views

How to export Raster to JPEG in Python?

I built a model to import table data, create xy event, kernel density and clip density raster. I would like to export the clipped raster as a JPEG but I am not sure how to write the ExportToJPEG code. ...
4
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1answer
1k views

call Sql Server stored procedure form arcpy

Is there a way to execute a SQL Server stored procedure with arcpy or Python and retrieve the results returned by the stored procedure? There is a very similar question posted on ArcGIS forum with ...
0
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3answers
58 views

Minimum ShapeLength using arcpy.Polyline?

Please, i am creating lines using arcpy.array(point1,point2) --> arcpy.Polyline...but my ArcGIS create lines only with shape lenght 0.0002 and longer...why ?? I want to create also shorter lines cause ...
2
votes
1answer
123 views

How to check how much of a line (percentage-wise) is covered by a polygon in arcpy?

I'm searching for an efficient way to check if a line is covered by a polygon (see image, this case should return 2x "true"). Right now I only check wether a line is within a buffer with ...
0
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1answer
31 views

Multiple vertices after editing giving wrong start and end x, y co-ordinates

I have a small problem which I have been fighting to solve but in vain. Initially I generated some polylines across the river at various locations. I found some of them are smaller in size and not ...
0
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2answers
1k views

Export to PDF in python with parameters

I need to export to PDF with some parameters, and I went through the help and it only explains the data frame portion. When I need the entire map or layout view. Here is what I need: 1.400 dpi ...
1
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1answer
111 views

How to get a kml from stored in a blob file of oracle with arcpy

How to get a kml from stored in a blob file of oracle with arcpy? i try get data or kml files contains in a database oracle in a field of a table, using cursos options of arcpy. import arcpy, os ...
1
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1answer
124 views

arcpy clip_managment migration from arcpy 10.1 to 10.2

i've created script using arpy with arcgis 10.1. One of the goal is to clip raster via shp file, which contains one feature. it worked perfect. after migration to arcgis 10.2 i've noticed some ...
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1answer
65 views

Add a field to output feature of a geoprocessing tool?

I am running the Watershed tool and RasterToPolygon tool in a loop for a number of points: flowdir = "flow.tif" flowacc = "flowacc.tif" pnts = [arcpy.PointGeometry(arcpy.Point(x=0.0, y=0.0, ID = ...
2
votes
0answers
426 views

arcpy export - unable to set exact extent of dataframe

I am trying to use arcpy's ExportToPNG function to produce tiles for Nasa WorldWind, which will require very specific extents of outputted tiles. Pretty simple code - abbreviated below: mxd = ...
1
vote
2answers
157 views

How to get Python script tool to take list of variables?

I am looking at making a Python script script tool that requires the user to input a series of attributes into a list, which is then used to build a query, to select multiple polygons (i.e. "abc, ...
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0answers
125 views

arcpy.mapping.Export creates some labels but not others

I've created a simple python toolbox (pyt) to export map layouts to multiple formats. My problem is that some labels which are defined in the layout are exported, but others are not. For example ...
1
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2answers
2k views

How to count number of feature classes in geodatabase using ArcPy?

I would like to count the number of feature classes in a geodatabase. Some of the classes are in feature datasets as well. I have tried get count management, but that returns the number of rows in ...
2
votes
3answers
226 views

Create in memory polygon with RasterToPolygon

I need to create a number of polygons in a loop from a raster. Essentially, the loop will call a function a number of times which needs to convert it to a polygon: def myfunc(raster): #do some ...
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2answers
233 views

Calculate field based on most frequently occuring text/value in other fields in attribute table (ArcGIS)

I was wondering if anyone knows if it is possible to calculate a field based on the most frequently occurring value in other fields. What I have is 5 fields with crop information over 5 consecutive ...
0
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1answer
656 views

How to add several layers to the table of contents in ArcMap using Python in one shot?

I am already able to add individual layers to ArcMap table of contents using the following codes: # Adding the layer to the table of contents mxd = arcpy.mapping.MapDocument("current") df = ...
1
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1answer
2k views

What might cause “python.exe has stopped working” when closing ArcPy script?

I created a script that take a .tab file and join it to a shapefile. The script works perfectly but when it finish, it gives me an unhandled exception which crashes python. I dont know what might be ...
2
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0answers
64 views

Using the geocode function with cursors

How do I use a cursor with a geocodeaddress function? I want to be able to: 1) read from a table 2) only geocode addresses(from table1) whose street number is not 0 using a cursor 3) then update a ...
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2answers
336 views

Python script not working after exporting it from ModelBuilder

trying to figure out why my script wont work (I should mention I'm still at an intro level). This is a script I exported from ArcGIS model builder which worked fine using that: # Import arcpy module ...
4
votes
1answer
896 views

Arcpy - What's the best way to check whether feature class has selection? [duplicate]

In a sentence, how do you test in Arcpy whether a feature class has any selected records or not? More info below to explain: I am doing a batch process in which a sampling layer (10km grids) is used ...
21
votes
6answers
1k views

How to buffer raster pixels by their values?

The pixels to the left represent tree locations and their associated crown radii (i.e. pixel values ranging from 2 - 5). I would like to buffer these raster pixels by their crown radius value. The ...
4
votes
1answer
1k views

Use arcpy to connect to database without connection file

It seems like arcpy can only work with connection files. This creates one of two problems: Deployment requires manual creation of connection files. We have to write a bunch of code to recreate the ...
8
votes
2answers
778 views

How to write scripts that can call on both Arcpy and PyQGIS?

I have spent quite a bit of time looking for a clear answer this topic and have still been unable to really accomplish my goal of accessing PyQGIS in a stand alone script. Parts of answers have been ...
0
votes
0answers
163 views

ArcMap 10.2 SplitLineAtPoint setSplitRule not calculating RATIO

I am trying to set a length field to use the RATION split policy. I set the split policy for the feature layer but when I use the SplitLineAtPoint_management it does not calculate the RATIO length. ...
1
vote
2answers
335 views

Using python to get extent and split coordinates into list

I have the following code: for fc in fcs: desc = arcpy.Describe(fc) ext = desc.extent ext.split(" ") print ext I'm getting error: AttributeError: Point: Get attribute split does not ...
1
vote
1answer
4k views

Debugging ImportError: No module named arcpy?

I have written a script and am trying to run it in Python IDLE 2.7.6. I first try to import arcpy, but I get an error message saying "ImportError: No module named arcpy". Why doesn't it work? ...
0
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0answers
96 views

How to bulk change the schema name of layer properties in ArcMap

I would like to change the data source location (schema) in layer property in ArcMap. Our data are stocked in an Oracle Spatial database. Recently, the DBA has changed the schema name and then I ...
1
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1answer
326 views

ListRasters not recognizing raster files in python

I have 2 rasters in my workspace, one in TIFF Format and the other in GRID format: "C:\ExampleFolder" When I use the python script: import arcpy >>> ...
0
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1answer
123 views

Listing Printer names in a Python Toolbox in Arcgis 10.1?

Here's my code for my third parameter in my Python Toolbox. When I run the toolbox and look at the list of printers, it only shows one of them. My print command of 'printerName' lists all of them in ...
1
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3answers
537 views

Assigning UNC Path to arcpy.env.workspace

For some reason my python script crashes ever time it reaches the following code which attempts to assign a unc path as my workspace. Can any of you please help me solve this problem? Also, I'm not ...
1
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1answer
144 views

Delete Turned Off (Unchecked) Layers from Arcmap with Python

I have about 100 figures that have been updated countless times and a lot of the old data was left in each .mxd but was only turned off (unchecked) and not removed. I would like to remove these ...
3
votes
0answers
3k views

How to use replaceDataSource to replace data source for multiple layers? [closed]

I appear to be having difficulty with using 'replaceDataSource'. ESRI has atrocious documentation on updating and fixing data sources, and almost everything I have read on the subject is almost what I ...