ArcGIS is Esri's GIS platform name. DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Product tags (arcgis-desktop, arcgis-server, arcgis-online, etc) combined with version tags (arcgis-10.3, arcgis-10.2, etc) are preferred

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4
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2answers
4k 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 ...
22
votes
3answers
4k views

How to hide “internal” polygon boundaries?

We've been scratching our heads over how to tackle this for some time, and are no more illuminated than when we started. I hope you can help. Our task is thus: how to draw a lake with a solid outer ...
9
votes
2answers
712 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?
5
votes
1answer
1k 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 ...
6
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 ...
5
votes
5answers
13k 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 ...
2
votes
1answer
499 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 ...
29
votes
2answers
2k 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 ...
11
votes
1answer
9k views

Which is the correct projection in ArcGIS for EPSG:3857/900913?

I want to publish a mapservice in ArcGIS server, which will be overlayed on Google Maps or Bing Maps. For this, the Map Service needs to be in EPSG:3857/900913. The Google Maps projection is supposed ...
9
votes
2answers
1k views

How to bypass errors in arcpy for/while loop?

I have a handy script tool that loops through a workspace and renames and copies shapefiles to a feature dataset. However, if there is a corrupted shapefile somewhere in the workspace the script ...
3
votes
2answers
776 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 ...
11
votes
4answers
3k 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 ...
9
votes
4answers
26k views

Add Google Basemap to ArcGIS

I am looking for a way to add Google Earth imagery to ArcMap 10. Over a year ago, a GIS.SE member mentioned Arc2Earth was the only way to accomplish this (04/2011 thread). Another somewhat ...
5
votes
2answers
1k 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 ...
5
votes
2answers
3k 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
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 ...
3
votes
3answers
233 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 & ...
14
votes
3answers
609 views

How to determine if trees within forest gaps are clustered?

The attached dataset shows approximately 6000 saplings in approximately 50 variable sized forest gaps. I am interested in learning how these saplings are growing within their respective gaps (i.e. ...
14
votes
3answers
674 views

Ecological geospatial conundrum

I am looking for a different, more elegant solution to a spatial statistics problem. Raw data consists of an x-y coordinate for each individual tree (i.e. converted to a point .shp file). Although ...
10
votes
2answers
2k views

Methods for optimizing multcore processing in ArcGIS

I am interested in learning methods to utilize the full extent of multicore processing power available on a desktop computer. Arc states that background geoprocessing allows the user to utilize ...
16
votes
4answers
9k views

The simplest way to uninstall any and all ArcGIS products?

What it is the simplest and most straightforward way to uninstall any and all ArcGIS products more or less in one go that might be present on a Windows machine? perhaps scriptable? Add/Remove ...
4
votes
1answer
1k views

How to rename large amounts of spatial data?

I have approximately 1500 raster files following this format: m_3609922_nw_14_1_20100425 I need these subsetted to, for example: 3609922nw. What are appropriate methods to rename large numbers of ...
8
votes
4answers
1k views

How to split points by polygon?

I am looking for a way to split points by a county polygon feature class. The attached image shows two feature classes: one composed of points and the other a county polygon feature class. The split ...
6
votes
2answers
1k 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
5answers
4k views

How can I export a sketchup Model to ArcGIS's Multipatch?

I have a very large model made in Google Sketchup v 7.1. I would like to export this to a Multipatch featureclass, so that I can view it in ArcScene, with other 3D data. I have tried several things, ...
5
votes
2answers
1k views

Call FWTools (ogr2ogr) from ArcGIS python script

In ArcGIS, I want to use a Python script (and a standard ArcGIS script tool UI) to call functionality from FWTools. How would I make the call to FWTools? I tried using ...
3
votes
2answers
5k views

How to convert bearing, distance, xy coordinate measurements to point shapefile?

I have a natural resources dataset where individual seedlings in canopy gaps were recorded from a center "legacy tree" within each canopy gap. Each sapling has the following measurements associated ...
6
votes
1answer
1k 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 ...
5
votes
2answers
1k views

Backwards compatible python scripts in ArcGIS

As I move through my small collection of python scripts written for arcgis 9.3 I'm discovering that many things work with little or no changes in arcgis 10. For example this pattern "just works": ...
4
votes
2answers
3k views

How do I export symbology to ArcGIS Online?

We're planning to put up a bunch of our maps into ArcGIS Online and we'd like to create a streamlined process to do so, with as much automation (Python) as possible. This is our first test with a map ...
2
votes
1answer
2k views

How to troubleshoot a slow IIS and hanging ArcGIS Server?

Our ArcGIS Server 10.0 SP 4 website has been hanging lately where everything gets delivered except the map. When I try and check the REST Endpoints they it hangs and then fails. When I stop the IIS, ...
2
votes
3answers
638 views

Select “interior” lines of a polygon-to-line layer

I have a polygon featureclass that has adjacent features. Using Arc10, I am turning those polygons into lines using the "Featureclass to Lines" tool. Now I would like to select ONLY THE INTERIOR ...
9
votes
3answers
1k views

How to combine corner-touching polygons into a single feature

I have created a polygon layer from rasters, and only have a single classification ID (and calculated acres) for each polygon. I would like to "dissolve" all touching features into larger, individual ...
8
votes
0answers
375 views

Using a different Python IDE/debugger for ArcGIS [duplicate]

Possible Duplicate: How can I effectively debug arcpy Python scripts? I prefer to use PyScripter over IDLE as my IDE/debugger for writing GP scripts in Python. In ArcGIS, however, when I ...
6
votes
1answer
1k views

Reset local memory in ArcMap 10

I often am unable to delete files due to a lock or need to reset the data frame coordinate system. Very often starting a new session of Arc will allow certain geoprocessing or data management tasks ...
4
votes
2answers
2k views

Multiple ring buffer with attributes

Building on ArcGIS: inside buffer with attributes?, I'd like to be able to create multiple ring buffers, while retaining (and possibly dissolving on) attribute values. How can this be done?
3
votes
2answers
202 views

How to update new field from existing field?

I need to update my new field/column (Property Type) with either "detached", "semi", or "terrace" depending on an existing column (Property Count). So... where the count = 1 I need to populate ...
1
vote
2answers
1k views

unique value symbolize layers from a lookup table

I need to create a large number of Arcmap layer files (v9.3 or 10), perhaps a hundred, from lookup tables. I don't have to set the symbol patch itself, that can be random, but I do need the value and ...