This tag should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or arcgis-online on conjunction with a version tag such as arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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26
votes
4answers
1k views

How to use directional shading on boundaries for cartographic effect?

The attached screenshot of a National Geographic map shows some beautiful directional shading of boundaries. I'm trying to reproduce this sort of shading for a burn perimeter map, as I want to ...
9
votes
2answers
624 views

Can ArcGIS and OSGeo4W share the same python install?

I don't like unnecessary duplication. Is it possible to install python only once and have both ArcGIS and OSGeo4W use it?
8
votes
3answers
628 views

Applying version control to ArcGIS Models

Version control is an indispensible tool for software development, allowing one to reliably and cleanly step back in time to the last time X did it's job exactly right, or to see what changed between ...
5
votes
1answer
770 views

Definitions of arcgis script parameter Data Type options

When adding a python script to a toolbox in Arcgis one of the steps is to set parameters and specify what Data Type each requires. The list is long, perhaps a hundred, and many are not immediately ...
4
votes
2answers
2k views

How to standardize raster output from 0 to 100 using raster algebra?

I am working on generating an integrated moisture index based on the following equation: IMI = (hill shade * 0.5) + (curvature * 0.15) + (flow accumulation * 0.35) Iverson et al. 1997 Another ...
7
votes
2answers
3k views

SELECT TOP query in ArcGIS

Is there a way to use a SELECT TOP (n) within ArcGIS desktop? Is appears that since the ArcGIS query builder is effectively building the SQL statement after the WHERE clause, that this may not be ...
5
votes
1answer
2k views

ArcGIS: inside buffer with attributes?

How can I create buffers for polygons that a) lie only inside the polygon boundary, and b) know who their parent is? An example of where this is useful is First Nation Traditional Territories. There ...
2
votes
1answer
326 views

How to separate raster bands in model builder?

I have a simple model that iterates through folders to collect imagery, mosaics them and clips the mosaic to a study area boundary. I need to produce an NDVI from the clipped 4-band mosaic ...
28
votes
2answers
1k views

Streamlining Python Code for Big Data

I have Python code which is designed to take point shapefiles through the following workflow: Merge points Integrate points, such that any points within 1 m of each other become one point Create ...
3
votes
2answers
435 views

How to specify the pixel depth in model builder?

I have a simple model that calculates the NDVI from bands 3 and 4 of a raster dataset. The input bands are 8-bit unsigned, whereas the default output NDVI is signed 32 bit. How can I specify the ...
10
votes
4answers
2k views

Programatically split a polygon with a line

In looking at this question, it occurred to me that I am not sure how one would go about using geoprocessing tools in ArcGIS to split a polygon with a line programatically. Manually, you would use ...
7
votes
1answer
862 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: ...
7
votes
3answers
559 views

How can I make a county-level shape file from a set of points at 30 x30 km spacing?

I have a data set in csv form, like: latitude, longitude, value -45, 45, 10 .... I would like to calculate county level means from these data, using either ArcGIS or R+grass. I have the ArcGIS USA ...
6
votes
3answers
2k views

Reconcile a Versioned Geodatabase with only the DEFAULT version

Follow up to this: Spatial Database Connection String I am trying to reconcile a versioned geodatabase that has only one version, DEFAULT. I am following the steps from the ESRI documentation: A ...
5
votes
2answers
918 views

How to implement bivariate Ripley's K function in ArcGIS 10?

The attached image shows a forest gap with red pine represented as circles and white pine represented as crosses. I am interested in determining if there is a positive or negative association between ...
4
votes
2answers
218 views

adding large amount of data [arcgis 9.x javascript api]

I've got problem, I'm creating map based application, and now I have to add to map about 100 000 graphic points, from coordinates. I was trying in many ways to do it, but always process of adding ...
4
votes
2answers
582 views

How to include polygons as part of a network for Network Analyst (ArcMap)?

I am creating a pedestrian walking network of a downtown area. I am digitizing line segments for paths and sidewalks, but I need to incorporate parking lots into my analysis. So far, I have been ...
3
votes
6answers
923 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 ...
2
votes
4answers
1k views

ArcInfo Grid ASCII to ESRI Shapefile conversion

I have an ArcGIS grid ascii file (Ramankutty Cropland at 5 minute resolution) that begins as follows: ncols 4320 nrows 2160 xllcorner -180 yllcorner -90 cellsize ...
2
votes
2answers
604 views

Python problem in conditional combining of multiple rasters and produce one output

I have two rasters for same spatial extent and need to compare both rasters cell by cell and produce one output raster. Each has 10 land cover classes. Based on those 10 classes the comparison should ...
1
vote
1answer
294 views

ArcGis Rest – service name vs. folder - Are the folders always part of the service name?

I'm using an ArcGIS REST map service, and my question is how do I construct the URL to the service? Specifically, what relationship is there between the Service Name, the Test Server, and the folder ...
7
votes
2answers
2k views

Create “Inner Buffer” in ArcGIS

I am currently searching for a possibility to create an "Inner Buffer" in ArcGIS. I have a lot of polygons (houses)(in one feature class) and one big polygon (in one other feature class). I want so ...
6
votes
1answer
391 views

Why are annotation features containing both GraphicElement and TextElement objects not drawing in an ArcGIS Server map service?

I am building annotation features with Python/comtypes/ArcObjects. The annotation works great in ArcMap (10.1), but it is does not draw when published to a map service in ArcGIS Server. Each piece ...
6
votes
2answers
2k views

How to join tables without losing the original field names in ArcGIS?

I'm wondering if there is any method to preserve the original field names in Arc GIS when I join csv. tables to a Shapefile. I ask, because sometimes I join tables with 10, 20 or even more columns ...
6
votes
5answers
4k views

ArcMap, ArcCatalog very slow to open on a new laptop with ample resources

I have a recent installation or ArcGIS Desktop on a 64 bit Windows 7 Machine, with 8GB ram, intel core i7 processor, and a solid state drive. It takes ~2 min to open either ArcMap or ArcCatalog from ...
5
votes
2answers
1k views

Retain ESRI symbology in Mapinfo TAB

Is there anyway to retain/easily transfer symbology from ESRI to Mapinfo? The only process I found was posted in 2010 - https://groups.google.com/group/mapinfo-l/browse_thread/thread/883223ff4ae56809 ...
5
votes
1answer
408 views

How to create a field with a specified slope projecting from a 3D polygon

Im trying to figure out how to create a elevation raster from a known location (3D polygon) that projects at a specified slope (1%) for a specified distance(1-2 km). Does anyone have any idea how to ...
5
votes
5answers
11k views

For every point, distance to nearest polygon of type X?

In ArcGIS how might one calculate as an attribute value the distance to the nearest polygon of type X? Say we have a point layer of wildlife observations and we want to know how far each of them is ...
4
votes
1answer
451 views

Need to delete all but one feature from a set of features with the same ID, keeping the one with the largest area

I have a large polygon layer in which most of the polygons have a unique name in a text field. Of the hundreds that aren't unique, there will be 2-4 polygons with the same name but different ...
4
votes
2answers
2k views

hardcoding port number in Arcgis License Manager

In the Arc10 Q&A for the 2011 user conference it says a performance gain may be realized by hardcoding the license manager to port 27000, and then instructing the firewall and Windows Defender to ...
4
votes
2answers
999 views

Net Primary production (NPP) calculation

When I calculate Net primary production (NPP) for a local scale, what kind of software should I use? I always use ENVI, ERDAS, ARCGIS and IDRISI. Is it possible to use these programs for NPP ...
4
votes
1answer
1k views

How do I get the count of NoData values in a raster?

I have created a raster in ArcGIS 10 with a large number of holes (NoData) in it. I want to fill the holes using something like the the following: rOut = arcpy.sa.Con(arcpy.sa.IsNull(rGround), ...
4
votes
2answers
592 views

comparing two TINs

i have the following two files: 1) LiDAR las file1 2) Let's give it a name LiDAR las file2, contains the same file1 data, where number of points randomly removed. So if file1 contains X number of ...
4
votes
2answers
1k views

compound variables in model builder?

I'm trying to create a model wherein one of the parameters is a compound variable, that is made of multiple variables joined together. How can this be done? For Example: Create an insider buffer ...
4
votes
2answers
3k 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?
3
votes
3answers
541 views

How to perform a join on simultaneous spatial and attribute criteria in ArcGIS?

I have two point layers and want to perform a spatial join on nearest distance. Normally it is easy with ArcMap. But now I have a restricting condition on the spatial join. The restriction only ...
3
votes
2answers
771 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
1answer
252 views

Is there a (better) way to debug Visual Basic Code Block in calculate field using ArcGIS?

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
3answers
195 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 & ...
3
votes
3answers
305 views

Buffer with physical barrier

I don't think is possible, but I'm looking for a way to stop my buffer at a certain physical barrier. For example, I have point near a river and I'm creating a buffer around my point that is larger ...
3
votes
0answers
412 views

IDatasetContainer2 CreateDataset method fails after upgrading to ArcObjects 10 [closed]

I have a Network Analyst routine that worked for 9.3 and does not work with 10. I was closely following the example at: ...
2
votes
1answer
148 views

Is there a difference between ESRI's NAD83 Indiana SPW and QGIS's?

It seems ESRI and QGIS don't have the same definition for my most commonly used projection, NAD83 StatePlane Indiana West (US ft). When I create data in an ESRI product the projection shows up in ...
2
votes
1answer
192 views

3d terrain from data in postgres

I am quite new to arcgis and I would like to create a 3d terrain. Now I have a postgresSQL table containing a list of points with their geometry data and the Z value for each point. What I would ...
2
votes
1answer
616 views

How to move SHP to gdb with ArcView license?

What I need to do is move all the files into an mxd to a newly created gdb, chechking prj, and update mxd reference. I have ArcGIS 10 SP4, license ArcView I studied a bit of Python and get familiar ...
2
votes
1answer
536 views

Iterative position within Field Calculator/Python

I'm not great with Python or programming in general, so I'm not even sure how to ask this question. Basically what I've got is in the left column, and what I want is in the right column. UniqueID ...
2
votes
1answer
196 views

Automated correction of parcel geometry based on area measure

i have a set of parcels in DWG file and i have the areas that should be in these parcels in an excel file, so i have to modify each parcel to match the area specified in the excel file with a moving ...
1
vote
1answer
487 views

Arc 10 Python .shp attributes - usings fields to populate other fields - if/then/else statement

Ive been looking for a solution and unable to find one so please help if able: I'm trying to avoid manually inputting Begin and End engineering station values already inputted into a seperate field. ...
1
vote
1answer
550 views

How to auto-create a schema.ini file for a .csv?

I have been given some data in a csv file, which I need to import into my ArcSDE geodatabase. ArcGIS is having problems recognizing the field types, and is not importing some data. It is recognizing ...
1
vote
1answer
239 views

Grid labels in ArcGIS, overlapping issues

I do have 3 grids made by Grids menu in data frame properties. I do need them to display in certain layout and also to behave accordingly to couple of rules (overlapping issues), so I can automate my ...
1
vote
1answer
2k views

How to export Symbology from ArcGIS to Microstation or QGIS?

I am using ArcGIS 10.1 and trying to figure out how to export my symbols of elements in ArcGIS to CAD or QGis readable format. Problem is, that I can only export symbology to Style, or export map to ...