Use this tag when ArcGIS 10.0 is the version you are using from the ArcGIS platform.

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Computing new attribute based on changes in another attribute using ArcGIS Desktop with Python?

I am attempting to classify a set of gps time-encoded point data into behaviors based on different attributes. I have created an attribute that is 0 for home and 1 for away based on location, and ...
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2answers
3k views

Is there a ArcGIS python script development API?

I'm a somewhat experienced software engineer new to the GIS world. I started working on a GIS project that supports ArcGIS 9.3 and 10.0 and looking through existing code it looks like the main ...
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1answer
377 views

What is ArcSDE API used for?

To create applications that manipulate ArcObjects there is the VBA and Java runtimes. To create application that process data with ArcToolbox tools, there is ArcPy for Python. Today, I discovered ...
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3answers
3k views

How to reclassify a very large land cover dataset?

Consider the NLCD2001 Land Cover dataset for Alaska (download link). I need to reclassify this dataset so that only pixels of value 41, 42, and 43 are preserved; all other pixel values should become ...
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3answers
8k views

Adding dynamic text to layout from attribute table with Data Driven Pages?

I was trying to figure out how to use dynamic text from an attribute table in a collection of Data Driven Pages in ArcGIS 10. I've looked in the help files, but can't find anything on dynamic text ...
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2answers
1k views

Creating a line (closest vertex to line)

I am working in reorganising our utility data. Two years ago, we have started collecting Private Service water line. We still have a lot of them to extract from old Record Drawings. I was ...
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2answers
2k views

Error handling with python script in ArcGIS 10

I have a python script that I am using to create a list of all mxd files (with full pathing) in our Projects folder. The script then uses that to iterate through the list and do a ...
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2answers
2k views

Inserting newlines in Rectangle Text elements via ArcPy causes overlap?

I ran across an issue the other day when I tried to use ArcPython's mapping module to edit rectangle text elements with newlines (\n) in an ArcMap document. Here's what the output looked like: ...
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1answer
1k views

Calculating distance from points to different class in raster using ArcGIS Spatial Analyst?

I am looking for some advice on how to calculate the distance from a point to a different class of a raster. Specifically, I have observations (points) of animal use overlaid on land cover data. ...
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2answers
1k views

ArcGIS 10 add-in: Top-level exception handling

The ArcGIS 10 add-in I'm working on is pretty simple -- just a tool control and a dockable window. I'm handling the specific exceptions I anticipate occuring at the source and throwing everything else,...
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1answer
528 views

Running ArcGIS 10.0 Under Virtualenv

I am working on a Python package that has a mixture of command line tools and ArcToolbox tools. For Python development it is really useful to use VirtualEnv, especially when working with installers. ...
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2answers
3k views

Is ArcGIS 10.1 Desktop compatible with 10.0 Server?

Since upgrading my "ArcGIS for Desktop" (Windows 7) client to 10.1, I'm having the hardest time trying to figure out how to publish a Map Service on my (CentOS) 10.0 Server. Back on 10.0 Desktop, I ...
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4answers
7k views

How to find Clusters of N Points Within X Distance?

We have tried two methods of cluster analysis: Cluster and Outlier Hot Spot ... but neither meets our specification which has these 3 parameters: a Set of Point features N points within a ...
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votes
1answer
3k views

Is there a way to show a layers feature count in the TOC?

I'm using ArcGIS 10. In ArcMap's table of contents (TOC), is there a way to have the "Layer Name" automatically show a count of the total number of features in each layer? I was thinking the TOC ...
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votes
1answer
3k views

How can I use a neural network in GIS?

I'd like to learn how to use a neural network in GIS. I surfed in the internet to find good resources or a tutorial about this but I couldn't find any helpful resources. Are there any good references ...
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votes
2answers
998 views

What happens to feature class when importing to feature dataset?

I am creating a model that needs to ensure that all input datasets end up in the same coordinate system (among other things). I was originally going to batch project all of the datasets whether they ...
10
votes
4answers
9k views

How to release the lock on a gdb?

I have problems to release my gdb in ArcGIS10. My tool works with an local gdb, but I failed to release it after the process. In Ag9.3 I can release it simply by Marshal.ReleaseComObject(workspace), ...
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1answer
22k views

creating a dem from contours

I have a large set of contours that I received broken down into several different subsets. I have merged most of the subsets together creating a larger set of contours in three different files. I have ...
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1answer
489 views

Is there a way to use ArcPy and PyGRASS tools in the same Python script?

I´m trying to write a Python script, that includes different ArcPy / ArcGIS commands and want to combine it with GRASS geoprocessing tools. Unfortunately importing the GRASS libraries doesn´t work. ...
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5answers
15k views

How to make a one part polyline from a multipart polyline?

I have a polyline which is divided into multiparts and these parts are not well ordered so that the vertex's ID are not following the polyline's plotting. This polyline is a representing a bus line ...
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2answers
620 views

Calculate potential of solar radiation on rooftops (without LiDAR data)

I'm trying to calculate the solar radiation for rooftops, but I have a big problem, I don't have LIDAR data. I need to give the buildings the information of height. I've tried to do these, but for a ...
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2answers
2k views

ArcMap extension 9.3 vs 10

I have updated our ArcMap extension to work with ArcMap 10 - mainly just change reference from ESRI.ArcGIS.ADF to ESRI.ArcGIS.ADF.Local and set value of 'Specific Version' property for all references ...
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4answers
6k views

Uninstalling ArcGIS extensions from earlier version after ArcGIS upgraded?

I uninstalled ArcGIS 9.3.1 (server, desktop, engine), then installed ArcGIS10.0 (Server, Desktop, engine). When I tried to uninstall some arcmap extensions, I got error 1001 "unable to get installer ...
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2answers
327 views

Determine minimum number of polygons from shapefile to cover an area of interest

I have a large number shapefiles representing areas of interest for an analysis that will be conducted using various sources of satellite imagery (IKONOS, RapidEye, etc.). Unfortunately, the imagery ...
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1answer
2k views

Why does ArcGIS “forget” my specified default GDB for a map document (mxd)?

I'm using ArcGIS 10.0 on Windows 7 64 bit Ultimate. I've noticed that sometimes ArcMap's geoprocessing tools as well as scripts seem to forget my setting in the mxd (confirmed via arcpy.env.workspace ...
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4answers
4k views

Kriging with barriers in ArcGIS Desktop?

I am trying to do interpolation in a coastal area with data points in several rivers emptying into a bay and on opposite sides of peninsulas. I have created a coastline layer to use it as a barrier ...
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1answer
4k views

Python Script to Create Table Using Data Driven Pages

I am trying to convert some python script to display a table (based on a dbf) of features located within a specific data driven page. So far, I have the script successfully able to refresh the map to ...
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1answer
2k views

Exit script with Python

I've got a Python script for ArcGIS that I'm working on, and I'd like to have the ability to have the script quit if it doesn't have the necessary data available. I tried a straight up sys.exit() but ...
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votes
4answers
9k views

Dissolve not working in ArcGIS 10

The dissolve tool is not working for me when I use ArcGIS 10. It works perfectly when I use version 9.3. Any help?
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7answers
11k views

How to remove only donut holes from polygons using ArcGIS Desktop?

I am using ArcGIS Desktop 10.0. I have a trick for removing the donut holes, which is converting the polygon to line and then creating polygon out of the lines and in the end merging all of them. ...
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votes
3answers
10k views

Creating 9.3 version of geodatabase in ArcMap 10?

Under the What's new for geodatabases in ArcGIS 10 Esri talks about an optional parameter that allows you to create a 9.3 geodatabase in version 10. I cannot find any other info. Any help on how ...
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2answers
7k views

Maximimum length of text fields in shapefile and geodatabase formats?

The maximum text string for a field in a geodatabase is 320 characters. The data I am importing has long character strings and it seems to be truncating when I convert into shapefile at the max ...
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2answers
8k views

Setting which layers are selectable in ArcMap?

I cannot figure out how to toggle selectable layers in ArcMap 10. In 9.3, I remember being able to choose from a list which layers I wanted to be able to select features from in the map. Let's say ...
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6answers
9k views

ArcGIS/ArcPy Python, how to get latitude and longitude of a projected point?

I have a point feature in a feature class that is being accessed by ArcPy. The point is projected but I need to find an efficient means to get the unprojected latitude and longitude for this point. ...
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4answers
8k views

How to Batch Clip in ArcGIS Desktop 10 using Python/ArcPy?

I've come across a few similar questions for older versions of ArcGIS, but haven't found a suitable answer for ArcGIS 10. I have two polygon shapefiles that cover a large area (e.g. an entire State/...
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votes
3answers
7k views

How to find the locations of the highest values in a raster?

Using ArcGIS 10, I have a raster where I would like to find the pixel with the maximum value in the raster and return its location (center of pixel) in decimal degrees. I would like to iterate through ...
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4answers
8k views

ArcGIS fails to import all records from huge CSV file to file geodatabase table despite being within FGDB table size limits

I'm using ArcGIS 10.0 on Windows 7 64-bit with 4GB of RAM. I have some very large tables in CSV format to import to ArcGIS, they all have about 30 fields, upwards of 5 million records per table (a ...
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2answers
7k views

How to list feature classes in multiple geodatabases in a folder?

I have a folder with numerous geodatabases in it. Within the geodatabases are feature classes. I would like to get a list of the feature classes in these geodatabases using a Python script. I've only ...
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2answers
1k views

ArcMap running scripts slower if you import Arcpy

I am finding ArcMap runs slower, if you have written a script, which imports arcpy. You may wish to write a script that can be operated in ArcMap, through the python window, or as a standalone ...
9
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1answer
16k views

How to use Select by Attributes query with semicolons?

I am trying to select multiple (50 or more) unique numeric records using ArcGIS 10's "Select by Attributes" using semicolons ';' after each record which it verifies as good to go. Please see screen ...
9
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1answer
126 views

Using Dynamic Text to display layer credits

I'm looking for a way to update the 'layer credits' into a dynamic text box. I've found ways of using the map credits or data frame credits here but cant seem a way to get the information derived from ...
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3answers
6k views

Best method to aggregate 1m DEM mosaic to 10m DEM

I have a mosaic of a 1m LiDar derived DEM. I need to output a subset of the data as a 10m DEM. I am currently using the aggregate tool in ARCGIS 10 to produce a mean value for each new 10m pixel. ...
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4answers
6k views

How much RAM can ArcMap use?

I am exporting 36"x48" label intensive maps as PDF. For urban areas, ArcMap 10 hangs or kicks back an error saying it could not complete the operation. I have a quad processor with 4 GB ram. I also ...
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2answers
3k views

Are layer files compatible between ArcGIS 10 and 9.3?

If I save layer files in ArcGIS 10, can they be opened and modified in ArcGIS 9.3?
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2answers
2k views

Changing from layout view to data view using ArcPy?

Is there a way to change from layout view to data view using Python and ArcMap 10? I would prefer to do it using ArcPy.
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3answers
10k views

How to create a button in Arcmap 10 to run a Python program?

I have a script that I want to run within ArcMap when a button in a toolbar is clicked, and so far I have only been able to make the script into a script tool. I need it to run as a command, not as a ...
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1answer
8k views

Creating script tool that will create copy of feature class and offset it by given distance using ArcPy?

I want to duplicate a polygon feature class and offset all of the polygons by about 10 feet in both the x and y directions. I asked if there was any way to do this last week, and I was informed that I ...
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4answers
5k views

Distinguishing lines that intersect from lines that touch?

How do I distinguish between these cases in ArcGIS 10? Case 1: Both endpoints of a line touch another line Case 2: Both endpoints dangle over the lines it intersects I am looking at the Trim Line ...
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5answers
13k views

Trouble importing Feature Classes into Feature Datasets

I'm sure there must be a simple reason for this but I can't seem to be able to import a shp file or a feature class from another file or sde geodatabase into a Feature Dataset without getting an error....
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5answers
8k views

Activating custom ITool from form without adding it to ArcMap AddIn toolbar?

I'm working on an add-in for ArcMap 10.0 that adds a toolbar to ArcMap. One command (OpenModelessDialogCommand) button on that toolbar opens a modeless WinForms dialog, from which a tool (MyTool) can ...