A site-package created by Esri to expose GeoProcessing from ArcGIS to Python.

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660 views

ArcGIS Spatial Join Options Missing

The ArcGIS SpatialJoin online help page has a long list of match_options when joining data spatially, including HAVE_THEIR_CENTER_IN. However running the arcpy.SpatialJoin_analysis tool in Python ...
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votes
2answers
4k views

Arcpy Insert Cursor not inserting all rows

Good morning all, I have a script here that takes data from a cross-tabulated non-spatial dataset where monthly values are stored in a single table row for a given year and linearizes those data so ...
4
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2answers
2k views

Dynamically change zoom level of overview map to fit with current extent in DDP

I am using DDP pages in a large mapset with pages ranging from 1:7500 to 1:130,000 and the overview map is zoomed out to far to see some of the smaller zones. Is it possible to set the overview map to ...
4
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1answer
917 views

Can I delete only tables, or only objects sharing a string of text, from a geodatabase?

I've got about 1000 tables in a geodatabse that I need to delete. They are named IntersectedBuffers_1, IntersectedBuffers_2, etc, and they're the only tables in the database. Could someone please ...
4
votes
1answer
6k views

How to add field in attribute table using ArcPy?

I have researched How to add attribute field to existing Shapefile via Python without ArcGIS? but could not implement it. Can give me examples of how to add field name in attribute table? I have ...
4
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4answers
727 views

Unable to save selected layer by attribute for ArcGIS Geoprocessing

I am troubles using the SelectLayerByAttribute() function for arcgis geoprocessing. I have a layer and I want to select everything that matches on a particular attribute. I call MakeFeatureLayer() ...
4
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1answer
874 views

Setting mask (halo) for labels in Python script?

I currently am writing a python script and using a lot of the arcpy mapping module functionality. I have been using the LabelClass of the arcpy mapping module to automate the display of labels with my ...
4
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4answers
759 views

Compressing map algebra outputs from ArcPy

When creating a raster map algebra output, is it possible to set its compression? I'm creating a model which generates many hundreds of rasters, and currently each is being stored without any ...
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2answers
985 views

Calculating spacing of polylines along transects using ArcPy?

I have a shapefile with a number of roughly parallel lines in it, and I want to calculate the spacing between these lines using a number of transects across the map. How should I go about this? I ...
4
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1answer
67 views

Time Delay in Importing ArcPy

I've got a few on demand scripts via the web that run ArcGIS in the background via Arcpy. Now, every one of these scripts takes a solid 15-30 seconds to run, which I find okay. After doing some trial ...
4
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2answers
129 views

Python script that creates polygon feature class with given coordinates

Write a script that creates a new polygon feature class containing a single ( square ) polygon with the following coordinates: ( 0, 0 ), ( 0, 1,000 ), ( 1,000, 0 ), and ( 1,000, 1,000 ). ...
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1answer
82 views

Using UNC pathname with Calculate Field tool in ArcPy?

This question is different to Using Calculate Field to fix hyperlinks in ArcPy gives Cannot use VB for services? which was asked previously because it is using the Python parser specifically, rather ...
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2answers
75 views

Arcpy mapping text element reset

I am writing a script to create thousands of maps and I am trying to create a table that updates for every map. Basically an updating table of the information specific to each map. I have been trying ...
4
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3answers
352 views

ArcPy: Save and open mxd without closing ArcGIS

With Python Add-In Wizard I created a Button which: looks in a specific directory for the last created/modified folder (which is created with another tool) saves the current mxd with a new name in ...
4
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1answer
258 views

How to access the feature extent of a feature class using arcpy?

How can i access to feature extent of a feature class and change the extent using arcpy ?
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1answer
261 views

Moving a Map Service Group Layer out of a Group Layer with ArcPy

I am struggling to move web services (tiled basemaps) out of group layers into the data frame. I've used arcpy.mapping.ListLayers to compose a list of layers, then I've ascertained what is a group ...
4
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1answer
597 views

Running Python toolbox tool both standalone from other tools within same Python toolbox?

I have created a python toolbox for work that has two tools inside. These tools use the toolbox template and so have a init, getParameterInfo, etc. I want to be able to run one tool both stand alone ...
4
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1answer
158 views

What does InsertRow() return if the insert is not successful?

I have some basic code that inserts rows using an InsertCursor. oc = arcpy.da.InsertCursor(outputFC, someFields) for item in rowsForInsertCursor: tmp = oc.insertRow(item) del oc It seems the ...
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2answers
1k views

Converting Date field to string using ArcGIS for Desktop?

I'm working with two data sets that require a compound key to join or relate. The two fields are: 'Node_ID' which is a long integer field referring to a particular electrical substation [887932] '...
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3answers
441 views

Maximum number of shapefiles for merge tool?

I have over 180,000 shapefiles that I have to merge (or append) into a final shapefile. I have written a python script to do so which uses the acrpy.append_management tool. However the runtime is too ...
4
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1answer
1k views

Installing scipy.spatial with ArcPy gives DLL load failed error on import?

I am running python 2.7.6 from an ArcGIS installation. I have tried to install scipy from the Python Exchange Packages here, using the scipy-0.14.0.win32-py2.7.exe executable. I get no error importing ...
4
votes
2answers
376 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 ...
4
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1answer
3k views

Calculating geometry area in ArcGIS for Desktop using ArcPy?

I have a polygon shapefile and I want to write a Python script to add a field named "area" and calculate its geometry areas. The script is like this: arcpy.AddField_management("...
4
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1answer
761 views

How to change text legend orientation from right to left reading with arcpy

I working on mxd with ArcMap 10.3 . The default's legend properties is- Layout - left to right reading (Marked with a red ellipse) : when it unmarked i get this legend: i want to know if there a ...
4
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1answer
411 views

How to automatically check for lidar flight line overlaps?

I have a series of lidar-based raster products created via FUSION. Since I am working with low density lidar data, many of the raster images show significant striping where lidar returns overlap on ...
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2answers
2k views

How to specify map service parameters when publishing with arcpy?

I publish map services on a ArcGIS server using the typical arcpy script below. I need to better specify some service parameters. For example, the service should be available in WMS instead of KML, ...
4
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1answer
2k 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 ...
4
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1answer
2k views

Defining Feature Set parameter for ArcGIS Python Toolbox tool?

I'm trying to create an ArcGIS Python Toolbox tool which uses a polygon for input. I want the user to be able to create the polygon when the tool is run. I know how to do this using both a ...
4
votes
1answer
1k views

copy feature class and retain selected fields with arcpy

I've got a featureclass (fc) that I want to copy, but only retaining a selected number of fields, let's say field 9, 11, and 12 from the total of 15 fields. I want to use arcpy and suspect that ...
4
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1answer
435 views

How to generate overlapping polygons from lines output from Table To Ellipse tool?

I have a feature class of line-based ellipses generated by the Table to Ellipse tool that looks like this: What I want is polygons of the individual ellipses, however tools like Feature to Polygon ...
4
votes
1answer
2k views

How to reduce time for 'Export to PDF' (or any other alternative to print maps) in Python?

For my work, I designed a tool to create PDF maps with large amount of data, intersected with 5 buffer rings using ArcPy. The job involves intersecting points, selecting points, generating Elevation ...
4
votes
2answers
476 views

Moran's I z-score in ArcPy

I have a ArcPy script to calculate Moran's I several times (50 to be precise). However, I am not interested in the Moran's I value, what I need is the z-score returned by the tool. Even though the ...
4
votes
1answer
2k views

How to merge many shapefiles in different folders?

Directory structure is basically as such: county\City\prep\POI\Completed\C1, ...C2, ...etc\ I'm trying to write a script to go through the *\Completed*\POIS.shp and merge them all together, at a ...
4
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2answers
3k views

Creating empty group layer within existing group layer using arcpy.mapping?

Referencing this question, Adding new group layer with ArcPy?, I'm trying to use python to add a empty group within a group layer. So far I'm able to add a empty group within the map document, ...
4
votes
1answer
899 views

Access Metadata from ArcSDE-tables using python

Is it possible to access the metadata of a feature class in a ArcSDE-data, using arcpy / python (on Arcgis 10.0). I suppose I could export the metadata to xml and parse the xml, but is there a more ...
4
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2answers
394 views

Getting junction id for roads in network dataset using ArcPy?

I have a network dataset with roads and junctions. I am wondering what class I can use in ArcPy to extract FromJunctionId and the ToJunctionId for each road segment in the network dataset.
4
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1answer
521 views

Programmatically export to geotiff in different scales from ArcGIS Desktop?

I would like to programatically export geotiff files in different scales (e.g. 1:25000, 1:50000 etc) using arcgis10. As input I have some shape files and a DEM file as well as a corresponding style. ...
4
votes
1answer
613 views

How to best organize files for a large arcpy script tool?

I am writing a lengthy arcpy tool and am working with multiple python scripts, simply for organization's sake. Everything runs well when I run it from the command line, but now that I am starting to ...
4
votes
1answer
2k views

Getting a constant background color for transparency

I am creating a series of tif files at 1:10k scale over a vast area (760 tiles) using arcpy.mapping.ExportToTIFF and then stitch them together to create a single ecw. The output looks ok but when I ...
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2answers
4k views

Using arcpy from the command line on ArcGIS Linux Server 10.1

We installed ArcGIS SERVER (not Desktop!) 10.1 on a RHEL (Red Hat) machine. ArcGIS Sever is supported for Linux. However, it appears they don't make it easy to script in python, from the command ...
4
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2answers
2k views

insert cursor “Row contains a bad value”

I'm having a problem copying data from a shapefile to a feature class using an insert cursor. Here is the part that is causing trouble: newRows = arcpy.InsertCursor(Target) sourceRows = arcpy....
4
votes
1answer
414 views

Counting and storing events contained within polygon using ArcPy?

I have a fairly large project and I would like to automate some tasks using Python. Problem is, I don’t have any experience with Python for ArcGIS. And I rarely use ArcGIS until something big like ...
4
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3answers
1k views

Using threading module with Arcpy: Manager/Worker architecture

I asked this question on Stack Overflow on how to setup a manager/worker scenario. But I am getting some error when trying to use threading on my Python install with ArcGIS 10 (just the python ...
4
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2answers
2k views

arcpy: check for same record in cell above and below

After using the find duplicates in arcmap 10, I want to check if the feat sequence ("find duplicates" marks all records with the same attributes with the same number [in "feat_seq"] and creates a ...
4
votes
1answer
2k views

Repairing broken links for new paths of layers to shapefiles using ArcPy?

I have an .mxd with broken link layers and each layer has a different new path. I know the python script for repairing the broken links of the layers, but I want to put all the new paths of the layers ...
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2answers
200 views

Spawning a process from ArcGIS ToolValidator

I attempted to spawn a separate process from the ArcGIS ToolValidator script. Unfortunately, it launches another instance of ArcCatalog. What is going on behind the scenes that causes ArcCatalog to ...
4
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2answers
237 views

Appending Point Shapefile Location by GPS values in text file using ArcPy?

In my industry it is common to create preliminary design maps for point locations that have a unique identifier. Upon the actual construction on the design, points change location based on ...
4
votes
2answers
1k views

How do you get access to a Network Analyst layer item in ArcPy?

I have a Python script that I'm working on. I have created a Closest Facility layer (in memory). I add facilities. I add incidents. I perform the Solve. These all complete. The only problem is, ...
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2answers
4k views

Create Polylines from arrays of points

Let me describe the data setup. A line has been provided as an array of coordinate pairs, one for each vertex. This array is variable in size, anywhere from 2 to 200 coordinate pairs per line. What I ...