Tagged Questions

A python API created by ESRI to perform geoprocessing and layer management.

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2
votes
2answers
789 views

Shape files are not being adding to MXD using arcPy

I want to add a shapefile to an mxd document using arcpy but it generates the following error when used by adding script in arctoolbox import arcpy mxd = arcpy.mapping.MapDocument("CURRENT") ...
1
vote
3answers
978 views

Error when creating insert cursor in arcpy

I've written several scripts that copy data from MS Access db into a new, empty ESRI Geodatabase. I've pretty much copied the code and changed it for each table -- the first two scripts have worked ...
0
votes
1answer
272 views

raster in TOC to geotiff on disk in ArcPy

I am really hoping that someone out there who knows a bit about ArcPy in ArcGIS10 can help me out. I am attempting to automate some work w/ netcdf files. Basically, I am able to automate the creation ...
0
votes
1answer
349 views

How do I tell my geoprocessing service which sde feature class to update

I want to have a geoprocessing service update sde. I am getting an I/O Error saying data doesn't exist. I imagine because the connection file (copied from my ArcCatalog folder) I placed next to the ...
2
votes
2answers
598 views

How can I “select by attributes” based on membership in py dictionary?

I am trying to write a script in arcpy that checks to see if elevation values in a point file are found in a dictionary, and if they are to produce a new point file with just those entries. Sounds ...
1
vote
2answers
416 views

How do I get statistics out of a table using Python in Arc 10?

I am very new to programming (I started learning this semester) and would very much appreciate helop with one piece of a project. I have the following table, and I need to write a script compatible ...
2
votes
2answers
859 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 ...
0
votes
1answer
94 views

Issue with branching model

I am having an issue with a branching model when the iteration tool is used. The test code/scripts/models are in Google docs or arcgis forums It runs and creates both versions of the process whereas ...
4
votes
2answers
1k views

How to clip a vector feature to the extent of an existing raster dataset using arcpy

I have a clipped raster dataset with polylines (from the contour tool) overlayed (see attached). I am trying to clip the polylines to the extent of the raster dataset, which seems simple enough, but ...
2
votes
3answers
301 views

Can ArcPy's AsShape be used with GeoJSON FeatureCollection of Polygons with Labels?

The AsShape documentation provides examples that work very well. However, I have been given what I believe to be valid GeoJSON that is a FeatureCollection of two polygons each with a Label. It ...
4
votes
1answer
670 views

ArcGIS License - ArcInfo level license set during python script execution vs via Desktop Administrator

We have an ArcInfo floating license available. Can I check out an ArcInfo level license via arcpy. Here, from the arcgis help, it says you can import a license level for stand-alone scripts. If a ...
1
vote
1answer
714 views

Use ArcPy to rename MXD layers

I have a MXD with some layers that have parentheses in them. I'd like to rename them via script. Is this a valid approach? import re map = arcpy.mapping.MapDocument("CURRENT") layers = ...
0
votes
2answers
501 views

arcpy layer issues

This should be a really simple process but I am having issues. I want to search a workspace for all files with a certain string and then add them to the current workspace with a selected symbology. ...
4
votes
1answer
275 views

Solution to automate alignment sheet band-data on map with ArcMap 10.0 and Arcpy

Anyone have some logic or code samples to automate creating band data for alignment/integrity pipeline sheets showing various point/polyline events along the pipe in configurable way or otherwise. ...
0
votes
1answer
359 views

Does CopyFeatures from in_memory via Python script tool cause General function failure for you?

The Python code below looks pretty straightforward. import arcpy if arcpy.Exists("D:/temp/test.gdb"): arcpy.Delete_management("D:/temp/test.gdb") if arcpy.Exists("in_memory"): ...
2
votes
1answer
97 views

How to write infinity to a feature class in arcpy?

Is it possible to write infinities to fields in arc feature classes, and if so, how? Currently I get an exception thrown when I try.
1
vote
1answer
230 views

Convert point XY to page units XY using arcpy?

I am using arcpy to export PDFs from my ArcGIS Server application. I want to move a TextElement in my layout view to the centroid of a selected feature. I can get the centroid of the feature, but ...
0
votes
0answers
260 views

How to: ArcGIS Server GP Service messaging back to silverlight client

How would I get messages back from my GP Service to the silverlight client? I am passing the gp service some data to process and I want to have the gp service give some respone that the silverlight ...
2
votes
0answers
511 views

Network Analyst: arcpy's 'Solve' running out of memory

I've run OD cost matrix analysis using GUI tools n ArcGIS 10. My goal is relatively simple - find closest 50 neighbors for each origin point. The dataset I'm working with is relatively large: ...
1
vote
0answers
163 views

ArcGIS 10.0 - How to have GP Service make rest calls instead of Silverlight client?

I have a Silverlight client that densifies a user drawn polyline. The returned vertices from the polyline are then sent to esri elevation sample server for each vertex to find an elevation value. ...
1
vote
1answer
412 views

Dynamic Text in ArcMap 10.0 and arcpy - getting user name in specific format

I need to put in a specific text into a text element. The initials of the user who built the map. With arcpy I am trying to set the text element with dynamic text. If I put <dyn ...
1
vote
1answer
353 views

How to achieve more than basic labelling of Reference Grids (Graticules, Measured Grids) in ArcGIS Desktop?

I'm happy to be corrected, but at the moment I do not think it is possible to meet any of the following mapping requirements using either ArcMap or ArcPy: Label measured grids using a format like ...
3
votes
3answers
1k views

Geoprocessing with ArcGIS Server 10.0 - %scratchworkspace%

http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Key_concepts_for_geoprocessing_services/002v00000002000000/ I'm trying to have a new GP Service arcpy.AddMessage() the scratchworkspace ...
2
votes
2answers
339 views

Tables in ArcMap 10.0 - are they layers or tableviews

Is a table in ArcMap a layer or a tableview. I want to be able to feed a table into an UpdateCursor via a toolbox script. If my table has a definition query on it how do I check for that with ...
6
votes
2answers
732 views

Creating geodatabase from CSV using python

I have a file with weather data (daily) for multiple weather stations for multiple years. I am looking for some python script to automate the database creation process and its interpolation on a daily ...
4
votes
1answer
753 views

Is it possible to convert graphics to features in ArcGIS 10 using arcpy?

Apologies if this is easy but I cannot seem to find the answer. Is there a way to convert a graphic to feature, i.e. use the "Convert Graphics to Feature" tool on the toolbar, within arcpy? I need to ...
0
votes
0answers
142 views

How to enable user to specify field mappings from a table joined to a feature class?

I have a feature class and a new table every few days. I need to have the table's attributes added to the feature class based on a join. What would be a good interface in ArcMap to let the user map ...
1
vote
2answers
532 views

Using a newline/page break tag in ArcGIS 10.0 Text_Element in arcpy.mapping

I want to update a Text_Element with a newline or page break. Does anyone know the tag or syntax? Thanks.
4
votes
3answers
2k views

Select Layer By Attribute using loop

I have 273 features in the feature class and i want to select them one by one and use the statement in the following code. At the line: *arcpy.SelectLayerByAttribute_management ...
9
votes
2answers
785 views

How do you delete an in-memory Table View?

In a Python script, I'm cycling through thousands of Excel files and using arcpy.MakeTableView to create in memory table views from the first spreadhseet in each file. How do you delete the reference ...
5
votes
3answers
360 views

Convert polyline with Left ID and Right ID to polygons with ID

I have a polyline shape file which contain Left Id and Right ID information and struggling in converting this polyline layer to polygon with ID via arcpy. I am using ArcGIS(editor) license so feature ...
5
votes
2answers
910 views

Frequency, summarize tool

I'm looking for some general frequency, summarize tool. What I basically want is some tool like the summarize tool in ArcGIS (right click in the attribute table> summarize) that runs on all attributes ...
6
votes
1answer
1k views

Python-arcpy : How make feature list from gdb and value list from field and use them in gaLayer function?

I'm not an expert in python, however I have to write a script to do geostatistical analyses with the GACreateLayer function from Arcgis. I have several data (>2000) and I want to use list of features ...
3
votes
3answers
373 views

merging data in ArcSDE

I need some suggestions/inspiration for a problem we have. The problem: We have an ArcSDE master GIS database. We will edit this data almost exclusively outside of ArcGIS and outside of ArcSDE. In ...
1
vote
0answers
126 views

I am getting a blank layer preview from geoserver after Quick Exporting my shapefile to postgis and then getting postgis to point to geoserver

What could be the potential problems? Looking at the layer's data fields/form the one thing that isn't filled is the Native SRS and its source, but I have already passed in the projection info as it ...
3
votes
1answer
439 views

Geocoding failure on concurrent requests with arcgis-10.0

I've created a small python synchronous geoprocessing script (ctagc) that runs on AGS. The script accepts a table (GPRecordSet) as an input parameter. The script then calls ...
2
votes
1answer
310 views

Is it possible to replaceDataSource of layer with dataset stored in_memory using ArcPy?

I use in_memory workspaces to speed up some Python script tools that get published as Geoprocessing Services significantly. The tools open MXDs and perform, among other things, an ExportToPDF. In ...
3
votes
1answer
758 views

How to list all of the contents of a geodatabase with arcpy?

This seems like a simple problem, but I have not found a way to accomplish it. I am writing a script that needs to record the paths of everything inside of a geodatabase to a text file, and later copy ...
5
votes
2answers
832 views

Using SearchCursor to access & export values in a raster table

I am desperately trying to export the values in a raster table to a .txt file. I've seen some other folk post about this, but for some reason can't get the code to work in my case. I have a raster, ...
3
votes
2answers
593 views

Add a .lyr file to multiple mxd's within a specified folder using python

I need to create a python script that will look in a certain folder or workspace, and add a certain .lyr file to each mxd in the folder. I am able create a python script that adds the layer by ...
1
vote
0answers
211 views

Relate first point and last point of polyline to point feature(s)

I am working on a small script using ArcMap10/arcpy to generate a upstream-downstream uniqueid for a polyline feature class using point id's that fall on the starting point and ending point of a line. ...
2
votes
1answer
382 views

ArcPy - Dataframe rotation - Getting a polyline length wise in the dataframe in layout view in ArcMap

EDITED: I'd like to rotate my dataframe until a polyline fits dataframe-width wise in the layout view of a .mxd. If the lines runs north/south I would like the dataframe rotated until the line is ...
1
vote
2answers
677 views

Python script has execution error first time through on a JoinField, but not the second time

I have some Python code that takes a shapefile, creates its centroids via FeatureToPoint, joins an auxillary field from the shapefile to the centroid via JoinField, and then goes on to do some more ...
2
votes
1answer
631 views

How to create a list and append objects to it through a loop

Still struggling with this script. Now I need to create an arpy.AddMessage that says "Projected: with the list of feature classes that were projected in the loop" i.e. Projected: filename, ...
3
votes
1answer
661 views

How to write a script that re-projects vector datasets in a folder?

This is probably a novice question, but I am a novice with python. I am trying to write a script that re-projects vector datasets in a folder. However there are rules in which to do this. They are: ...
4
votes
2answers
1k views

How to send long JSON objects (polygon geometry, table rows) in POST request to Geoprocessing Service?

I am seeking to understand my options for sending long JSON objects in a request to a Geoprocessing Service. In particular, I am looking for some example code to illustrate how to include two long ...
4
votes
3answers
541 views

Questions on smooth lines on soil polygon?

In a couple of weeks I am going to do QA/QC on soil polygons and I'm wonder if there is a way for me to run a script or a tool box that allow me to find the jagged lines ? Alternative, my plan would ...
4
votes
2answers
1k views

need to clear cache memory using python

I have looked at several posts here and on other sites but have not found a solution to the problem I am having with this python script. In this script I use 2 nested 'for' loops to extract a series ...
4
votes
2answers
411 views

Issues with osgeo - qgis.core and arcpy modules

Is it possible to have the python shell from either qgis or argis to load (import) both qgis.core and arcpy? I am developing a metadata creation tool and have completed the core functionality using ...
2
votes
0answers
136 views

Is there any way to suppress the calculate field dialog box in arcpy script?

I've got a python script that I inherited. The python script takes input from a variety of feature classes and tables and spit it out to a single table. When I run this script via a scheduling ...

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