Questions tagged [arcpy]

A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.

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Using arcpy.mapping.ExportToTIFF() to create dataframe geotiff

Has anyone created a dataframe geotiff using arcpy.mapping.ExportToTIFF() with satisfactory results? My output has poor quality and the georeferencing is significantly off. This example is the ...
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3answers
9k 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 (fc1,"NEW_SELECTION",...
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1answer
748 views

Defining projection in arc toolbox (JSON to shapefile) in python

I have a arc toolbox which converts JSON txt file to a shapefile but we have to define the projection. How can I hard code the defined projection so that user don't have to input the projection ? ...
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3answers
9k views

Add feature layer to display with in a script tool for desktop mapping 'App'

The point of this question is to find a way to programatically change the map extent based on user input. My method involves creating a Feature Layer & Selection, but if you have another (...
2
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0answers
114 views

network related issues arising when running an arcpy script

Essentially I wrote an arcpy script that is within a toolbox that I ported over to a different machine to test out after the script worked locally. The script essentially utilizes the psycopg module ...
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1answer
1k views

Testing if shapefiles intersect from a list using intersect: ArcGIS

I am new to programming and scripting in general, so please bear with me. I have generated a list of the location of all the shapefiles for my workplace. The files are all placed in folders, no ...
1
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1answer
162 views

Button that allows project search and zooms to site once executed

I am trying to create a button that will execute a Python script. I have limited Python experience. What we are trying to accomplish is to recreate these steps: Query on project Site and Radius ...
0
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1answer
242 views

Insert cursor raises exception on geodatabase

world, I'm having trouble to insert a line geometry into a personal geodatabase (using Python/ArcGIS 9.3.1). Everything works fine if the target feature is a shapefile. My guess is that calling: ...
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1answer
2k views

arcpy: creating polyline features from the following text file format

I am looking into a way of reading the following file format with python, where 0 0, 0 1, 0 2, ect... is the polyline object number and 0(1) 464736.1645 260940. 098377 are x, y coordinates of ...
3
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1answer
1k views

Select Layer by Location Produces Empty Output in Python

I am new to using Python scripts to execute ArcGIS tools. In my first script I am attempting to loop through many Select Layer by Location operations on overlapping feature classes. I want to create a ...
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2answers
455 views

ArcGIS Server GP Service: How to create a txt file or rename a dbf to txt in the “%SCRATCHWORKSPACE%”

My end goal is to get an excel (I'll probably just settle for .csv) file loaded from a silverlight app into my "%SCRATCHWORKSPACE%" for my gp service. I will be linear referencing the data onto a ...
1
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1answer
650 views

Generate MXD layer info report

I'd like to generate a report about MXD layers for a handful of MXDs. I want the report to display their name, workspace path and scale range settings. I can get the first two with ArcPy but I didn't ...
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2answers
2k views

Python and Data driven pages - Advanced use

I need to make a number of maps where only one input changes (a layer with the range of a radio tower) and I want to add the layer, apply symbology, zoom to it, change the title to include the name of ...
1
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1answer
2k views

arcpy.Delete_management not deleting

I'm struggling with deleting an mxd in a for loop. My code is: import arcpy, glob, os, datetime, time from time import strftime for filename3 in glob.glob(os.path.join(folderPath, "*.mxd"...
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1answer
1k views

Index out of range error when cleaning up variables

I'm running a script that parses points from a flat database structure into individual feature classes with related tables. A search cursor runs through and stores each field's data in a variable ...
2
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1answer
496 views

Use arcpy.SearchCursor with raster

How can I efficiently subdivide one raster into multiple rasters using the arcpy.SearchCursor? For example if I have a slope and I was to subdivide into 3 rasters: slope1 with values between 0 and ...
0
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1answer
146 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 ...
6
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1answer
5k 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 ...
0
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1answer
707 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"): arcpy....
3
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3answers
4k 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 ...
3
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1answer
222 views

arcpy pydev 3rd party toolbox intellisense

I am just newly started to look at arcpy and i see that it has good intellisense for system toolboxes by default and also if you import a custom toolbox - the intellisense gets update also - however ...
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1answer
1k 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 type="user"/&...
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2answers
2k 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 ...
7
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1answer
3k 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 ...
5
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2answers
613 views

ArcMap Draw Camera Range with ArcPy

i am working on some camera data. I have some points which consist of azimuth, angle, distance, and of course coordinate field attributes. In arcmap I want to draw shapes like this: The shape is pink....
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2answers
1k 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 ...
6
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2answers
4k 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, ...
2
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1answer
14k 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
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1answer
4k 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
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3answers
2k 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
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1answer
1k 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 ...
1
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2answers
872 views

Adding result of geoprocessing service — consume in ArcMap desktop

I am new to ArcGIS Server. I have a Python script tool that I've published as a geoprocessing service. The script takes a point feature class, writes a subset of the input FC as a new FC in the ...
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 ...
7
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1answer
6k views

Setting Output Parameter in ArcPy for Server Tool

I have published the following script tool (which is wrapped in a model, i.e. just the script tool and all of its parameters) to ArcGIS Server 10. The GP service succeeds when run, but I cannot ...
1
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1answer
230 views

Modifying a projection ArcMap 10.0 Arcpy

I have the need to project data from wgs84 to UTM 15N NAD1927 FOOT_US. I would like to have arcpy do this for me. I can project the data using one of ArcMaps predifined prj files in the Coordinates ...
3
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1answer
1k views

Workaround for Raster data input in ArcGIS Server Geoprocessing Service

UPDATE I have accomplished the Python script, but only tested in desktop environment, i.e. ArcMap. #Import ArcPy site package module import arcpy from arcpy import env from arcpy import Extent from ...
3
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3answers
3k views

Unable to Provide Input for a MultiValue Parameter Script Tool

I have the following script: #Import ArcPy site package import arcpy from arcpy import env from arcpy import Raster from arcpy.sa import ZonalStatistics from arcpy.sa import CreateConstantRaster # ...
1
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0answers
120 views

getSelectedExtent not working on joined layers [closed]

When joining layers the getSelectedExtent function in ArcPy fails to get the extent. Unjoining the layers and running it yeilds the expected result. The joined layers are all located on an SDE. Is ...
3
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1answer
815 views

ArcGIS Select Analysis using Unique Values from Field

I am trying to create separate shapefile using Select analysis with ArcPy by doing an SQL query to create them based on a unique value from the field. I want to create a list of the unique values in ...
2
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1answer
196 views

ArcGIS Geoprocessing Script - Calling External EXE Works in Desktop - Causes GP Service to Quit Abruptly

I have an interesting problem on my hands... I have a generic python script that does a bunch of geoprocessing functions using the standard arcgisscripting module (Yes, I am still at 9.3.1). At one ...
2
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1answer
337 views

What is the interface/property in ArcObjects that corresponds to a layer's dataSource property in arcpy?

I am trying to get the "Catalog Path" of a Feature Layer's data source in the table of contents of ArcMap using ArcObjects. This is very straightforward in arcpy but seemingly not so much in ...
6
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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, ...
6
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4answers
3k views

Creating perpendicular snapped polylines between an existing point and polyline using arcpy

Here's my situation - I'm working on a project that requires 20,000+ short connector lines be created, each drawn from a point to a snapped location on a nearby polyline such that the resulting ...
3
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3answers
2k views

Using Python to combine middle parts of two fields into third field

Below is how I used the Update Cursor in my final script. As you can see getValue was used a few times, perhaps there is a cleaner way to do this? But my concatenated field wouldn't populate properly ...
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1answer
799 views

arcpy.sa.Viewshed with OFFSETA

This is using ArcGIS10 arcpy with spatial analyst. I need to call Viewshed, but with an observer height set. I have tried using a Z-aware point feature set, but that only throws an error. I am ...
5
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1answer
4k views

Create a definition query for groups of layers: Is it possible?

I have a large number of groups created, with each group having many layers. I have looked for a way to set a definition query for all the layers in each group but haven't found anything. Is it even ...
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2answers
647 views

How to match two feature classes with same geography and use part of the name of one to name the other

So I have a polygon feature classes with unique identifying names to them that I want to use to rename some other feature classes that are of the point feature type and have the same geography of one ...
7
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2answers
963 views

Process a raster with multiple geoprocessing tools in arcgis 10 using python - flow between processes

I'm writing a short python script that includes processing rasters with different geoprocessing tools in ArcGis 10, for example, the three processes below, is this best way to use multiple tools ...
5
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4answers
4k views

Automate Projection of multiple shp files using ArcPy

I have been trying to create a Python script that will convert all shape files within a folder from GCS WGS 84 to Web Mercator. Below is the code I have so far but what I'm struggling with is how to ...
3
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1answer
1k views

How to rename feature classes based on field values within the attribute table?

My goal is to iterate through several feature classes and rename each feature class based on a field value within the feature class's attribute table. These feature classes are a single polygon ...