Use this tag ONLY for questions concerning the ArcGIS platform AS A WHOLE. Normally use a product tag such as arcgis-desktop, arcgis-server, arcgis-online, arcgis-mobile or arcgis-runtime in conjunction with a version tag such as ArcGIS-10.2, arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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6
votes
1answer
3k views

In an arcpy script, how do I convert ArcGIS date value to a string reading in mm/dd/yyyy format?

I am writing an arcpy tool script in ArcGIS 10.0. In a fGDB feature class, I have a Date type field. I gather that the values in the Date field are stored as long integer dates, but they display in ...
6
votes
1answer
4k views

How to provide automatic overview map, ArcGIS 10

This is a slightly badly phrased question I know, but I'm not really sure what to call this. My supervisor recently showed me a printed out map that he had produced with a high-resolution satellite ...
6
votes
4answers
674 views

Exporting polygon features to individual image pngs

I have a shapefile with a few thousand polygons, ArcGIS [9.3] (and even PostGIS). I would like to export each of those polygons into its own thumbnail image file without any real context. What is the ...
6
votes
2answers
2k views

Upgrade guidelines for ArcGIS 9 to 10?

We have a copy of ArcGIS 10 that we are preparing to use to upgrade our existing ArcGIS 9.3 installation. Should I uninstall ArcGIS 9.3 first? Or do I install ArcGIS 10 over it? Please let me know if ...
6
votes
3answers
2k views

Are there any issues going back-and-forth between Quantum GIS and ESRI software?

A very simple question. I have very simple work tasks at the office (digitizing) that I would like to be able to work on at home because we are exceptionally busy. I don't want to spend thousands of ...
6
votes
6answers
927 views

Finding shortest path while avoiding polygon features

I'm developing an extension to ArcMap where I have a set of static, concave polygon features and I'm trying to find the shortest path between 2 points without crossing any of the polygons. Is there ...
6
votes
2answers
223 views

projection tool as standalone script

How would I automate the define projection tool in arcmap so I can just enter my layer each time? I have it as a script in toolbox, but I am unsure how to set it so I can just input my layer as ...
6
votes
5answers
2k views

What is the hierarchy of features in ArcGIS? Is it different in other software?

first post - new to GIS. My understanding of shapefiles is that they are (contain?) featureclasses, that contain features (points, polylines, polygons). Is there a clear hierarchy for these files. ...
6
votes
1answer
82 views

How do I take out a comma from combined fields which should be null?

I have Drivers License as one field and State as the other and there are to be combined and formatted as Drivers License, State. How do I handle records that do not have either a Drivers License or ...
6
votes
2answers
503 views

How to simply label raster cells?

I think the title says everything but: I want to generate a small sample raster (eg. euclidean distance or cost distance) to explain the method of cost-distance analysis, and I'd like to label the ...
6
votes
3answers
3k views

ArcGIS Export Selected Raster Graphics

I'm having a problem exporting raster graphics using ArcGIS 10. It seems simple enough, but for some reason I cannot get ArcMap to work with me. Here are my steps: Add a raster to ArcMap Open the ...
6
votes
2answers
431 views

Model Builder - import arcinfo licence when required by tool

Is it possible to check licences in/out as needed within modelbuilder? or will the following work -write a script to turn arcinfo licence on when the tool requires it and off once it's done? I need ...
6
votes
3answers
433 views

Zero filling attributes using python

Being the AML dinosaur that I am, I am just learning python and I need to convert a 2 digit numeric attribute in a table to a 2 digit zero-filled attribute in a script. Example 9 needs to be 09. Any ...
6
votes
2answers
749 views

How is the default label field chosen by ArcMap?

I have 2 questions: I know how to manually go to Layer Properties>Labels tab>Label Field and choose my label field. I also know that I could set up my primary label field and save the setting as a ...
6
votes
2answers
854 views

How do I select only those features, that are connected?

I have a polygon layer of water reservoirs and a polyline layer of canals. In my data, some canals are originating from reservoirs, and leading to other canals. On the other hand there are some ...
6
votes
2answers
661 views

Alternatives to ArcGIS Extensions using ArcObjects?

I was wondering if there are any projects based around using ArcObjects and external libraries to create open source alternatives to extensions in ArcGIS. For example 3D Analyst, Spatial Analyst etc ...
6
votes
1answer
8k views

How can I transform GCS_North_American_1983 to GCS_WGS_1984?

I posted a thread today describing a shift in some of the NRC data (not all). Apparently, this shift has to do with conversion between Geographic coordinates, latitude and longitude and Transverse ...
6
votes
2answers
135 views

summing up over an area based on a distance related function

Through a field study, we learned that the density of a bird species in the forest was related to the distance to forest edge: ln(density) = 1.89*(distance to edge) + 0.34 Now, for any forest ...
6
votes
2answers
464 views

Find Duplicate Feature Classes in ESRI Geodatabase

I have inherited a SDE instance that has 1000+ feature classes within which are around 100 Feature Datasets. I have found through manual exploration that there are at least some Feature Classes that ...
6
votes
2answers
789 views

ArcGIS Python Tool Script Parameter - Binding Objects to a List Parameter

I am working on a python based script/tool. I would like to make use of drop down lists for several of the parameters. This is very easy to do if the lists are just plain old strings. Does anyone ...
6
votes
1answer
460 views

How to get table Name from IObjectClass

I'm using IRelationshipClass.DestinationClass to get an IObjectClass. From here, I want to be able to get the table name, but can only access the AliasName. Any ideas? UPDATE Aughhh, after ...
6
votes
5answers
1k views

What are convenient uml tools to create geodatabase models?

I used to model databases with Microsoft Office Visio, then export the model to xml and import geodatabase schema to GDB with ArcGIS tools. Since Microsoft no longer support Visio export to xml, what ...
6
votes
2answers
686 views

Allow multiple users to share personal geodatabases safely?

We're using ArcGIS 9.3 but for reasons beyond the scope of this question we have to stick with personal geodatabases (MS Access .mdb's) and multiple users. How can we set this up so only a limited few ...
6
votes
1answer
685 views

Create multiple shapefiles from one table

I've imported a table into ArcGIS which I'd like to split into multiple shapefiles. The splits would occur between groups of records separated by any of 3 columns. In other words, col1, col2, and col3 ...
6
votes
2answers
434 views

How can I find out Persional GeoDatabase version?

I am working ArcMap software. How can I find out Personal Geodatabase Version? I have client file. But I want to find out which version they have to used. I am looking for your guidance
6
votes
3answers
2k views

Create features from ArcGIS Topology errors

I have imported field users shapefiles into an ESRI geodatabase so that I can create some topology rulesets that identifies the errors as needed. Unfortunately the field users do not have a license ...
6
votes
3answers
1k views

How to find the elevation differences between adjacent pixels in ArcGIS?

Is there a way to determine what the difference in elevation is between two adjacent pixels? I am using an SRTM DEM to map faults. I am using the vertical error (>16m) as a criterion for the ...
6
votes
2answers
4k views

How to do regression analysis between two variables using ArcGIS

I have a temperature image (interpolated from climatic point data) and NDVI data at the monthly interval. I need to do correlation analysis between temp and NDVI. Is it impossible to do this using ...
6
votes
2answers
1k views

ArcGIS 10 British National Grid Transformation

In ArcGIS 10 a new transformation has been added for converting between WGS84 and British National Grid. What is OSGB_1936_To_WGS_1984_NGA_7PAR? How should it be used when compared with the other ...
6
votes
1answer
259 views

Does Arcpy work for Engine or Server the same as Desktop?

I am contemplating a project where there is not going to be access to ArcGIS Desktop and wondering if Engine and/or Server install ArcPy and Python? Is this possible? Does anyone have an example?
6
votes
3answers
348 views

Are there any simple models for wildfire hazard mapping with ArcGIS ModelBuilder?

I am interested in producing a simple fire hazard/severity map via ModelBuilder from commonly available datasets (e.g. DEM, NDVI, slope, aspect, land use/cover, etc). Are there any resources or ...
6
votes
4answers
1k views

ArcGIS JS API: Merging Popups with Relationship Queries (with fiddle)

I am trying to merge two ArcGIS JS API examples: Feature Layer with Popup and Query Related Records. The idea I have in mind is clicking on a country feature, retrieve all related records from a ...
6
votes
2answers
343 views

How to parse serial date in ArcGIS?

I have imported a shapefile that contains a serial date number that looks like this: 41256.260799. I would like to create a new field that shows only the hour and second like this: 06:33. I've tried ...
6
votes
2answers
1k views

How can I merge the attribute tables from feature classes into a single table, easily?

I have a large number (approx. 1,100) polygon feature classes. What I would like to do is to merge the attribute tables from each of these feature classes into a single table, in the simplest and ...
6
votes
1answer
1k views

finding the long axis of an irregular polygon

Hi need some help in how to find the long axis of an irregular shaped ellipse using ArcGIS. I have found the centroid but don't know how to determine the longest distance.
6
votes
2answers
5k views

Correct way to create a DEM from point data in csv files

I know this might seem a somewhat general question, but I have to start somewhere. I have a lot of csv files which contain point data containing height, aspect and slope measurements at a resolution ...
6
votes
1answer
581 views

What is the right way to automate ArcMap 10 with ArcObjects for unit testing?

I need to run unit tests against ArcMap extension which closely coupled with specific edit workspace and map state. When I try to initialize ArcMap application with code like this: ...
6
votes
1answer
1k views

Is it possible to convert graphics to features in ArcGIS 10 using arcpy?

Apologies if this is easy but I cannot seem to find the answer. Is there a way to convert a graphic to feature, i.e. use the "Convert Graphics to Feature" tool on the toolbar, within arcpy? I need to ...
6
votes
2answers
1k views

Finding parcel polygon features with frontage on multiple streets

The Department of Public Works would like to know how many properties in the city have a sidewalk at both the front and back. To get at this, I'm looking for a method to find parcels with frontage on ...
6
votes
1answer
1k views

Arcobjects: Zoom to first queried feature

I'm attempting to query a feature class for all features that meet a certain criterion (in this case, the Status field is NULL). However, I'm not getting very far into the attempted method before ...
6
votes
3answers
3k views

View vertices in ArcGIS

In ArcGIS (I use version 9.3), is it possible to change the polyline symbology to show vertices? Or do I need to extract the points via Feature Vertices To Points? This becomes a pain if I want to ...
6
votes
2answers
6k views

Why are my labels overlapping in ArcGIS 10?

Please excuse what may be a very newbie question. I'm not new to GIS, but just learning ArcGIS. I have been led to believe that the standard labeling engine doesn't allow any overlap: ...
6
votes
1answer
200 views

How to reclassify raster data by their sign?

I want to do the following: I have two data raster sets with different units and values. One results from measured metric data, the other from modelled grid values. What I want to compare is simply ...
6
votes
2answers
550 views

How can I reduce the size of my file geodatadase?

We're using file geodatabase for tax mapping. we save building photos and there are 6000 buildings. The size of this data 2GB. So loading the data takes a lot of time we are not unable to do work ...
6
votes
1answer
369 views

Algorithm to fill the gaps adjacent to parcels

I would like to find a way to fill the gaps between the road and its surrounding parcels, like described in picture below: I have different parcels like A and B , i want to fill the gaps by adding ...
6
votes
1answer
428 views

How to calculate the bearing of a building (ArcGIS)

How is it possible to get the main bearing of buildings by floor plan? I want to have a building (by ID) and it's main bearing (e.g. E/90° or W/270°). The idea is to change the polygon-feature class ...
6
votes
2answers
716 views

Options for ArcGIS Server and ArcSDE Hosting

I know this was partially address here, but it was not specific to ESRI products. I want to find some place to create and host map services with ArcGIS Server and ArcSDE. ESRI cloud options are bit ...
6
votes
2answers
2k views

Segment road network line shapefile into new equal length segments line shapefile

I would like to subdivide a road network for an entire state into segments of equal length. So, Highway X would be divided into 0.5 mile segments, with a record for each segment, and Highway Y would ...
6
votes
1answer
1k views

ArcFM vs ArcGIS for Water Utilities functionality

I'm trying to ascertain the difference between ArcFM (Water) and the functionality now available in ArcGIS for Water Utilities, given the templates and OOB 'stuff' ESRI have pushed forward in the last ...
6
votes
2answers
574 views

Using Python, Batch Project output won't drop in a feature dataset (ArcGIS 9.3 or 10)

When attempting to batch project in ArcGIS (using either arcpy or arcgisscripting), I cannot get my geoprocessing results to drop into the feature dataset that I specify. The results instead are ...