Tagged Questions

3
votes
1answer
74 views

'Pausing' a Python script tool to allow the user to provide input before continuing

I am using ArcGIS. I have written a Python script that creates various surfaces including NDVI. After the script creates those surfaces, I would like the script to stop running while the user ...
-1
votes
0answers
54 views

Beginner needs help with script [closed]

I am trying to get help with the following script. I am new to python and have been becoming increasingly lost. Can someone walk me through each step. I'd really appreciate it. ##### Step 1: ##### ...
1
vote
1answer
44 views

Adding parameters to a category in a script tool

There is plenty of documentation on how to add parameters to a category in a python toolbox, (See the bottom of ...
1
vote
1answer
148 views

Calculating mean upslope aspect

I am trying to write a python script to calculate the mean aspect upslope from each cell in a DEM. I have the general workflow down, but my final output is restricted to angles between 0 and 90 ...
2
votes
1answer
92 views

Difficulty converting standalone script to ArcGIS tool

As my title says, I am currently trying to make my (working) standalone script into an ArcGIS tool so I'm not the only person in my office that can use it. It essentially selects all the data within ...
3
votes
2answers
126 views

ArcGIS Conflation Tool Recommendation or Custom Script for Comparing Points

Can anyone recommend conflation tools for ArcGIS Desktop (10 or 10.1, paid or free) or a scripting outline / procedure (or just a script) to have a technician efficiently process the following rules? ...
3
votes
1answer
115 views

Beginning Arcpy: Asking for a quick review of my script

I cobbled this code together from ESRI documentation and stackexchange answers. I tried to use SearchCursor(points, fields=fieldname) but I get this error: TypeError: SearchCursor() got an ...
5
votes
1answer
443 views

Working around the raster calculator in ModelBuilder - ArcGIS

I am experiencing a problem with the raster calculator in the Model Builder under ArcMap 10. I need to combine two layers: a drainage map (issued from a series of previous operations on a DEM) and a ...
4
votes
2answers
255 views

Describing a coordinate system in arcpy

I have a python script in ArcGIS 10.1 which takes in a few inputs from the user. One of the inputs is a coordinate system. I would like to test whether the coordinate system the user chose was ...
3
votes
1answer
122 views

How can I put coded domains into a list to be created in python script?

I have a large list of coded domains. They are numbers like: 01.6530.01, 05.7991.08, 05.7991.01, 05.7991.06 The code will be the exact same as the description. I've tried to make a list using: ...
2
votes
1answer
377 views

Regarding property setMinScale(scale) and setMaxScale(scale) in ArcGIS Java script API

I am new to programming in JSAPI. I have two dynamic layers and I want to set the property setMinScale(scale) and setMaxScale(scale) to layers so how do I Set ? ex. I tried using ...
0
votes
0answers
88 views

GIS Programmer/Developer [duplicate]

I have already used Quantum GIS and ArcGIS for quite some time now and I think I'm already knowledgable in using it. Now, I want to learn GIS programming and developing (scripts, python). Can anyone ...
2
votes
2answers
567 views

Help with ListFields and CalculateField_management syntax

I need some assistance with the syntax for a CalculateField_management calculation as I have still yet to master all the python syntax rules. What I am trying to do is find the max value in a ...
3
votes
2answers
101 views

ArcGIS NEAR returns -1

We are running an ArcGIS 10.0 geoprocessing script written in Python that (as part of many steps above & below) runs the NEAR command. Both the input and output datasets (shapefiles & ...
5
votes
2answers
258 views

Better “ESRI recommended” method other than Pythonscript for filling in patterns into attribute table column?

Attribute tables in ArcGIS are not nearly as easily editable in comparison to something like Excel. For example, you have sorted the table based on some column value, and now want to fill in the ...
2
votes
1answer
247 views

Splitting large shapefile into numerous smaller files based on number of objects in each smaller file

I have a shapefile containing approximately 600 000 point-objects. Unfortunately, for a couple of reasons I need to split this file into a larger number of shape-files each containing approximately ...
7
votes
1answer
269 views

How to simulate moving vehicles?

I have a point layer (stored in SQL Server 2008) that is being served up by a map service in ArcGIS Server 10.1. I am consuming this service in a web client. Lets say the points are boats out at ...
1
vote
1answer
222 views

Search By Location

Using Arcmap 9.3 I was curious if anybody has a script or vba tool that will select items from a layer that are not within a selected polygon or not touching the selected polygon. Thanks for your ...
12
votes
5answers
4k views

How to get the extent of each polygon in a shapefile?

In arcgis 10 and python I want to get the extent (xmax, ymax, xmin, ymin) info of each of the polygons in a shape file. I can get the extent of the whole shape file using ...
2
votes
2answers
314 views

how to calculate a field from a shp currently sected in a arcmap session using a Python script in ArcMap 10?

Hi I nedd to create a script in Python for use in ArcMap 10. This script must be able to calculate a field from the shp currently selected in ArcMap. Any ideas?, I'm new to Python so any code example ...
1
vote
1answer
317 views

Issues Merging in Model Builder after Running Script

I have multiple inputs running through various processes throughout my model. At the end of these processes they are all merged together and output into one final feature class. This was working fine ...
9
votes
3answers
2k views

Setting parameters in Script Tool using Python

I hate to bug you all with the same problem over and over again but I run into a new problem everytime I make a slight change to the code. All I did to the code below was to replace field names to ...
6
votes
1answer
1k views

ArcMap Field Calculator syntax (again)

I'm trying to string together a field calculator script that will populate all the records of a field at once based upon values in a number of fields. I can't even get the first part of the command ...
5
votes
1answer
548 views

arcpy.mapping.ListLayoutElements() takes longer in a tool than in ArcMap

Has anyone else noticed that accessing elements from arcpy.mapping.ListLayoutElements() through a tool script takes longer than within ArcMap? Whether using a specific name, wildcard or nothing, the ...
8
votes
3answers
1k views

How do I use variables from one Python script in other Python scripts?

I want to set up a single python file containing variables that have the locations of all my data sources. This would then be used by all my other scripts, then as a data source changes, I only have ...
2
votes
1answer
1k views

Using python lookup table to compare records with existing geodatabases

I am trying to use python to look through an access table containing facilities that need to have geodatabases with geodatabases that already exist in order to generate a list of facility geodatabases ...
7
votes
4answers
3k views

How to remove a feature layer in an ArcPy Script

So, I have an arcpy based script where I'm trying to intersect two layers where one layer must have its centroid in the other layer. Since I need to know that one layer (feature_layer below) includes ...
4
votes
1answer
291 views

Programmatic Configuration of ArcGIS Server data and layers?

Hey all, I'm trying to figure out how people in the ArcGIS Server world script configurations. In the GeoServer world we have the REST Config API, which lets you configure connections to a database ...
5
votes
2answers
1k views

(New at Python Scripting) Creating a Loop so i can replace text in page layout in multiple mxds instead of one mxd at a time

I found some code on a website that will perform a search and replace on page layout text elements. Currently you can only do it one MXD at a time. I was hoping to change the code so I can do a search ...
3
votes
3answers
774 views

Append to text file using ArcGIS and Python

I have wrote a small routine using Python for ArcGIS (9.3) that will get the count of 2 data layers, calc a percentage, and then write the text back to a text file (CSV) to create a sort of "report" ...
6
votes
1answer
646 views

ArcGIS median value from a layer

I've been hunting around ArcGIS 9.3 and having no success at finding a tool/function that can give me the median (not the mean/avg) tabular value of a spatial database. For example, if I have a data ...
11
votes
1answer
588 views

How can I display raised error messages to the user in the ArcGIS geoprocessing results window?

Question: Can print statemnts raised from a custom exception be displayed in the gp results window? Background: I modified a script that I found that takes two inputs from a user, finds the ...
4
votes
1answer
708 views

FIELD CALCULATOR VB scripting

In my attribute tables field. I am trying to get rid of the "&" in between names i.e. "John Adams & wife" and want it to say "John Adams and Wife" in all the attributes with "&". What is ...
4
votes
1answer
2k views

How to change a text element's font size using python? (ArcMap 10)

I need my script to change the font size of a text element if the string is too long to fit in the title section of the map. I've looked into it using Arcpy, but haven't had any luck. Does anyone know ...
12
votes
6answers
4k views

Bulk field rename in file geodatabase

I have a file geodatabase with several hundred feature classes in it. Some feature classes have a field that got named incorrectly, and it got named "SCHEMA_FEATURECLASS_ENTITY" instead of just ...
4
votes
2answers
2k views

Any idea how to resolve “ImportError: No module named arcgisscripting”

I am trying to run a ESRI python script from eclipse and get the following message: "ImportError: No module named arcgisscripting" I can run this in IDLE... any ideas?