Use this tag when ArcGIS 9.3 is the version you are using from the ArcGIS platform.

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29
votes
4answers
4k views

Performance of ArcGISScripting and large spatial data sets

I am currently writing a python script using the arcgisscripting module to process a reasonably large data set (~10,000 records in total) normalised over a small number of tables, 8 in total. The ...
15
votes
3answers
11k views

Listing all feature classes in File Geodatabase, including within feature datasets?

From python how can I build a list of all feature classes in a file geodatabase (*.gdb), including inside feature datasets? The standard example only lists feature classes at the top level of the ...
17
votes
8answers
6k views

When Versioning with ArcSDE can posted edits be cancelled or rejected?

I am using ArcGIS 9.3.1 and attempting to work with an SDE geodatabase (with one polygon feature class) that has already been registered as versioned. I'm new to versioning and am still trying to ...
12
votes
5answers
9k views

How do I create a convex hull in ArcGIS Desktop?

I would like to be able to create a convex hull in ArcGIS Desktop 9.x, but I cannot find an appropriate tool. How does one go about creating one? I am interested in answers for all license levels: ...
8
votes
3answers
3k views

Using polygons to apply unique value to all raster cells within those polygons?

In ArcGIS 9.3, I have a raster file that I would like to "mask" with polygons, giving a single value to all the raster cells that overlap the polygons. How can I do this? Here's a screen shot, ...
8
votes
7answers
10k views

Fixing corrupt shapefile?

I have a shapefile that I was working on in ArcGIS Desktop 9.3 get corrupted somehow and it gives me the error "Number of shapes does not match the number of table records.". What I would want is to ...
6
votes
1answer
803 views

Working around slow processing times in ArcGIS Spatial Analyst functions?

I am batch processing a large amount of distance functions (~50,000) using ArcGIS 9.3. In this version, using spatial analyst functions, it seems to be the case that users cannot parallelize processes ...
7
votes
4answers
41k views

Export table from ArcGis to Excel file

Is there a way to export a table with selected records to an Excel spreadsheet? I was trying to export just to .txt file but ArcGIS gives me an error message. The other problem I have is with ...
7
votes
1answer
996 views

Partially updating raster (DEM)?

How to update an .img DEM in ArcView 9.3? I do have DEM which need to be updated only if few parts. The area to be updated has been produced in separate DEM with Spline Interpolation with Barriers. ...
6
votes
3answers
5k views

Splitting lines automatically at specific distances using ArcGIS Desktop?

I have a set of polylines which I need to split at varying distances from their starting points. In general, I'm looking for a something similar to the SPLIT function within the editor tool. There ...
6
votes
3answers
8k views

ArcGIS: In the Legend, show legend items that are only displayed on the map

Using ArcGIS, is there a way for the legend, to only show the subitems that are displayed on the map?
3
votes
3answers
6k views

Why do ArcToolbox tools give ActiveX error?

I work with ArcGIS 9.3. When I try to run any ArcToolbox tool I receive the message: Window Internet Explorer (Title of the Window) "One or more ActiveX controls could not be displayed because ...
3
votes
3answers
749 views

Using National Agriculture Statistics Service (NASS) county level crop data to estimate crop acreage in hydrologic regions?

National Agriculture Statistics Service (NASS) provides county level crop (Corn, Soybean, Sorghum, etc) data. I want to calculate crop acres on each subwatershed from the county based data. I'm ...
4
votes
2answers
1k views

Choosing Shapefile attribute data type to use?

I am trying to figure out when to use (in the Data Type of SHAPEFILE PROPERTIES) - TEXT - SHORT-INTEG - LONG-INTEG - FLOAT AND DOUBLE. I am using ArcView 9.3 and I know when it is all text or use ...
5
votes
2answers
2k views

Moisture Interpretation from Landsat Images

I am working on a "land suitability for crop" project. Can anyone let me know how to get any type of information which can be related to moisture index of soil? I have Landsat 5 data with band 3 and ...
9
votes
1answer
12k 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 ...
5
votes
2answers
7k views

How to write a script that will automatically draw lines from one point to multiple destination points? (ArcMap 9.3)

I need to create lines from an airport to numerous destination locations. The destinations change often, so drawing them manually becomes tedious. I want to create a script that will draw them ...
3
votes
1answer
129 views

Creating constant slope DEM using ArcGIS Desktop?

I wanted to create a DEM of constant slope say 1/3000. How can I proceed in ArcGIS Desktop 9.3? The area may be 1000m x 1000m or any other as per convenience.
10
votes
9answers
15k views

Consuming Google Maps as background map through ArcGIS Server?

I am doing a (non commercial) project where the client doesn't have the budget for purchasing map data like that provided by TeleAtlas. They only need map data for a background map, and they'd like ...
3
votes
2answers
3k views

Can I use python 2.6 with ArcGIS 9.3?

Is it possible to use Python 2.6 (or 2.7?) with ArcGIS 9.3? The official stance is no, not supported. There are a number of reports in the wild though that it can be done. How is this accomplished? ...
11
votes
12answers
7k views

Learning .NET for ArcGIS (mainly Desktop) use?

I have basic programming skills (I program simple vba python and lisp scripts and had gone through a java course a long time ago), but it seems to me (judging by ESRI publications) that there is no ...
13
votes
7answers
6k 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 ...
11
votes
1answer
822 views

Method to shade or overlay a raster map to reflect time of day and ambient light

I have a daytime raster of my study area. I have 20+ counters in the study area that count "stuff" with a timestamp. Using PyEphem I determined the type of ambient light for each collected data ...
8
votes
6answers
7k views

Creating duplicate features based on many-to-one conversion of related table?

I need to create duplicate features (in this case parcels), using a related table to populate ID fields. In essence, I need to use a related table of parcel owners to create duplicate parcels, each ...
7
votes
6answers
6k views

How do I cluster XY point data? (ArcGIS 9.3)

I have a whole bunch of icons displaying on a map, I want these clustered together as was suggested to me for a different question here... ArcGIS 9.3. How do I increase Picture Marker Symbol ...
6
votes
4answers
3k views

How to interpolate points along a line in Python for ArcGIS 9.3?

I am building a Python geoprocessing script for ArcGIS 9.3. In the script, I have a simple LINE feature class with one row, one line. How can I use a linear referencing system to interpolate a point ...
10
votes
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 ...
5
votes
2answers
5k views

Directional Flow Arrows for sewer lines

I am working for the Town of Yadkinville, NC and would like to know how to create a layer of directional flow arrows for sewer lines to be able to turn them on and off at will?
4
votes
1answer
2k views

In ArcGIS 9.3, how do I split a 3-band raster (.tiff) file and summarize the band values?

Using ArcGIS 9.3, I would like to make a new, single-band raster file that includes only one value: a summary of the three existing bands. The composite band is currently a composite .tiff file. ...
4
votes
5answers
20k views

How to export attribute table to Excel using ArcGIS Desktop? [duplicate]

In previous versions I could just export as a .DBF file, open it with Excel and then convert it to an Excel file. However, now in ArcGIS 9.3.1 the .DBF file can no longer be open by Excel. I have also ...
4
votes
6answers
1k views

Measuring data load and redraw times in ArcMap?

Rephrasing of the question slightly to address some issues. Is there are standard way of measuring load times for data, specifically sybolised data, within ArcMap? In particular, we're comparing ...
3
votes
2answers
1k views

Accessing ArcGIS layers from separate thread using ArcGIS Engine?

I've got an ArcEngine application, referencing a MXD for it's data (and map display). I'm running a query against all layers, so can take quite some time. I would normally run the query in a ...
2
votes
4answers
1k views

How to distinguish between File and Personal Geodb workspace?

I am looking for a way - given an IWorkspace object - to check if it was created from a Personal-GDB or a File-GDB. I tried using IWorkspace.WorkspaceFactory to check if it's an instance of e.g. ...
7
votes
3answers
3k views

Change the symbol scale in ArcMap legends

As you can see from the image below, my enormous scale for traffic pattern shadows the other objects in the legend. Are there ways to reduce the size of object portrayed in the scale?
4
votes
1answer
323 views

Debugging Visual Basic Code Block in calculate field using ArcGIS Desktop?

From time to time, I have to use Visual Basic in Calculate Field. As the code get bigger, the more complicated is to debug it. And ArcGIS (9.3) does not help as the error messages are, in the best ...
3
votes
2answers
1k views

Select by Location in ArcGIS with numerous polygons?

Please help me with this question about "Select by Location". I'm currently using ArcGis 9.3.1 I have multiple "Selector" polygons. Ideally, I would like to select a points shapefile with "Select by ...
3
votes
2answers
1k views

Forcing decimal numbers to use comma in ArcGIS Field Calculator?

Can I add the comma "," to force the decimals to remove from the attribute and replace with the number? For example, I have an Acres field column that says 506320.0750 and I want to replace the ...
3
votes
3answers
799 views

How do I convert existing fields to lat and long using the Calculate Field tool?

I am trying to convert my X and Y fields from feet to lat and long. I can easily do this in Calculate Geometry from the attribute table, but I'm needing to use this in a model and Calculate Geometry ...
3
votes
3answers
2k views

How to batch clip to single-part shapefile using ArcGIS 9.3 and Python 2.5?

How do I clip a shapefile to a single-part shapefile using ArcGIS 9.3.1 and Python 2.5? Example: I have a set of lines (lines.shp) I am trying to clip to each record in a shapefile called Grids.shp ...
2
votes
1answer
2k views

How to update feature class by iterating through values with branching?

I'm really struggling with getting this to work. Basically, I want my script to get the "newID" value and use that as a look up value. If the "newID" is found in the OldID list then do one thing, ...
1
vote
1answer
1k views

How to adjust online basemap to Arcmap

How can I adjust the online basemap imagery file to our existing ArcMap data. Below are steps I perform to add the basemap data. I Added basemap from "Add Data From GIS Online" in the file menu and ...
0
votes
1answer
61 views

Merging polygons which have different coordinate system with map coordinate system?

in order to merge the polygon I go to editor tool and then select merge, however in my case when I want to edit it is giving me this statement" the layers are in a different coordinate system than the ...
0
votes
0answers
52 views

FGDC Metadata Upgrade

This is something I notice recently. I'm at a stage where I'm finally moving on from ArcGIS 9.3.1 to 10.1. I noticed an assiue during this transition. In order to view my metadata, I will need to ...
0
votes
0answers
1k views

Problem with control ACTIVEX and Arctoolbox (9.3.1) on windows 7 64 bit [duplicate]

Possible Duplicate: Problem with ArcToolbox tools "one or more activex controls could not be displayed when ever you try to open any tools from Arctoolbox it display this errors. then go ...
7
votes
3answers
19k views

How to dissolve overlapping polygons?

I have a query regarding the dissolving of polygon features in ArcGIS 9.3. I only have the bare-bones license and an extremely basic knowledge of VB. I have a large shapefile with around 4500 ...
5
votes
1answer
2k 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 ...
3
votes
3answers
2k views

How do you merge small gaps into the larger surrounding polygon?

I have a layer which has small rectangular gaps, I need to merge the gaps into the larger polygon that surrounds it, has anyone got any idea of how to do this, I know i can fill in the gaps with a new ...
8
votes
3answers
2k views

How to create TINs in ArcGIS from triangular elements

I am working with FEM models with triangular elements, and I'd like to view the results as TIN surfaces in ArcGIS (and in ArcScene). In my external source, I have nodes (with X,Y,Z coords) and ...
8
votes
7answers
800 views

Are there any “highly customizable” GIS platforms?

I'm new to this site which I find useful and refreshing until now. And to my question ( WARNING: it's a bit long, so you can skip right to the question two paragraphs down). I was educated in GIS ...
7
votes
3answers
1k views

Producing multiple PDF plots of mapsheets specified by shapefile key from ArcGIS Desktop?

I'm looking for a product that will produce multiple pdf plots of mapsheets specified by a shapefile key (say, 11 x 17) from ArcGIS 9.3 using a single .mxd template, include and orient a common ...