Geoprocessing is a GIS operation used to manipulate GIS data. If you are performing geoprocessing using ArcGIS then the tag Geoprocessing-framework is specific to that software and should be used instead.

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How many polygons under a point (ArcGIS solution preferred)

Opposite of Point in Poly. How many polygons underneath a point. I have a point layer with many points. I have a polygon layer with many polygons. I need to add an attribute to the points that ...
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284 views

How To Determine Frequency Of Overlapping Polygons (Bounding-Boxes)

My starting point is a series of bounding box polygons, representing the extents of all the data sets in my inventory. I am trying to produce an output grid showing the frequency of coverage over the ...
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4k views

Nested “if” statements in ArcGIS Field Calculator

The solution in VB for the base process is @ "If then" VB Script code (or Python) equivalent to SQL's IN ('x','y',z') expression in ArcGIS Field Calculator question? ...
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3answers
679 views

Large scale geoprocessing through ESRI REST interface?

A typical limitation of web based processing is that urls are limited to 2 thousand characters for a GET request. From my understanding of how the ESRI Javascript API works, JSONP is utilized to ...
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455 views

ArcGIS GeoProcessing Model - Store List of Altered Features in Database

I am trying to build a GeoProcessing model which will find any parcels that have had their geometry values changed and store the corresponding parcel numbers in a separate non-spatial table. I am ...
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156 views

Split Lines at Intersection of Other Lines

I have two line layers (roads and contours in this example) and I would like to split the roads layer every time it crosses/intersects a feature on the contour layer. I can't seem to find a tool that ...
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355 views

How to run a custom Geoprocessing tool using no parameters?

I created a custom geoprocessing tool called "CreateCoverLayer". It has no input or output parameters. I have the following snippet of code, but get an error message due to the fact that the Execute ...
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409 views

Zoom to Shapefile attribute table row feature

I am working with the python code below in ArcGIS to zoom into a shapefile's attribute table row features without selected until the end of table one by one. I am trying to use this code but this one ...
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1k views

How do you convert raster to polygon while avoiding small polygons

I intend to convert a raster to several polygons, but I want to ignore too small polygons, and just keep larger polygon. How can I do that? Thanks in advance!
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839 views

Consuming an asynchronous Geoprocessing service in ESRI's Flex API

I have been trying to consuming my own asyncronous Geoprocessing service using ESRI's FLEX api, but i am either doing something dumb, or there is some trick involved in getting the results out. Since ...
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64 views

“Levelling” elevation data coinciding with polygon?

I have a shapefile containing building geometries (polygons) and a elevation dataset. The elevation data doesn't perfectly match the buildings. I want to "flatten" the elevation data so that ...
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54 views

Polygon Neighbors not found in Proximity Toolset of ArcGIS Desktop 10.0?

I cannot find the Polygon Neighbors tool. I have searched for it as I usually do and I have also browsed the proximity toolset but it is not there. The other Tools, e.g. Buffer and Near are there and ...
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297 views

.net Geoprocessing object: 000816: The tool is invalid

I am currently trying to build an ESRI Addin that supports multiple versions of ArcGIS (10.0 & 10.1). The project targets .net framework 3.5 and is built in the ArcGIS 10 environment. The ...
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230 views

Getting “Failed to open tool” message when trying to run geoprocessing tool from C# code

I've been experimenting with the Military Aspects of Terrain Template, which has a toolbox associated with it. I've been using the following WPF Runtime code, which should open a tool in the ...
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410 views

How to efficiently check for feature overlaps with Arcpy?

In an effort to reduce processing time, I am looking for ways to pre-process data within my script. I have ~18,000 featureclasses with ~500 features each (all simple circle polygons) from which I want ...
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225 views

FME: Can I add multiple feature types to the SQL Server Spatial reader?

The title's it, really. With .TAB file reader, you can add multiple layers to the reader and use the 'merge feature type' check box with an '*' to read all the layers listed in the source files, ...
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128 views

v.dissolve to multipolygon

Using v.dissolve in GRASS, I'd like to get a multipolyon as a result. However, I end up with distinct polygons with the same 'dissolve value.' For example; lets assume I have two polygon features ...
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382 views

How can I debug a geoprocessing service on the server?

I've a geoprocessing script that I'm trying to get working. I've turned on Show Messages, so I can see how far in the script I've gotten before the submitted job fails, but it's not helping, as I'm ...
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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 & ...
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945 views

Geoprocessing ArcGIS 10: Sending lat/long/elevation data to a geoprocessing service

I have a silverlight application that allows the user to select points to make a polyline. The polyline is densified per the users input (say every two feet). The new points are sent to an esri ...
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1answer
960 views

Examples which use map reduce to process GIS data

Have anyone a view examples how to use mapreduce effective with GIS data?
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823 views

Workaround for Raster data input in ArcGIS Server Geoprocessing Service

UPDATE I have accomplished the Python script, but only tested in desktop environment, i.e. ArcMap. #Import ArcPy site package module import arcpy from arcpy import env from arcpy import Extent from ...
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674 views

ArcGIS - Geoprocessing creating temporary files (e.g. “g_g193”). What produces these and how can they be cleaned up?

I have a couple of ArcGIS extensions that are running a lot of geoprocessing models with a mix of ArcObjects. I've noticed that the some, as of yet unidentified, geoprocessing steps are creating ...
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386 views

Taudem Resources

As I frequently deal with hydrology, I've heard Taudem mentioned quite a few times. I'm finding all sorts of information, but much of it is dated for use with previous versions. In addition, the ...
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392 views

Redistribute linestring vertices to specified distance

I use a groundwater model program called GMS, and it has a very useful function "Redistribute vertices" (more info). I use this function all the time to both simplify and provide regular spacings ...
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35 views

nx_spatial does not read all shapefile features

I have a polyline shapefile for a road network. The roads are split at every intersection (node), e.g. if two roads intersect at one point, then they are split into four links(edges). So using the ...
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45 views

Understanding arcpy log files in the scratchWorkspace

When I run a tool through arcpy, a file simply called 'log' with no extension is created in the scratchWorkspace. This is quite different to the history log files which are XML and I cannot find any ...
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330 views

ArcObjects Geoprocessing Failures

I am working on launching the GenerateNearTable using the ArcObjects Assembly method. I have the advanced license (10.1), so the tool is available. The code to launch geoprocessing is: Private ...
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474 views

Resample, ArcGIS: How do I avoid resample taking into acount NoData values?

I am trying to Resample a raster dataset to match the resolution of another dataset. I have fine resolution data on small islands (surrounded by NoData in the sea). When I re-sample the data to a ...
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295 views

Extract multi values to point error

I am trying to extract values from my rasters : slope, aspect, landcover etc. for my animals group locations. I used Spatial analyst>Extract multi values to points but when I look in my attribute ...
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157 views

Polygon to Raster is taking longer in script than in arcmap

I have a large dataset that I am working with. Basically I have a table with 900,000 records that I join to a geodatabase feature layer, then convert that to a raster. This process takes a total of ...
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452 views

How to intersect 2 polygon layers with a given tolerance for features in different layers only?

I can intersect 2 layers with polygons using ArcMap. However I can specify only overall tolerance no matter what layer a feature is in (even same layer). So I either end up with lots of slivers if I ...
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47 views

What is the max. length of string for GP output?

I have an XML as the output of Geo-processing tool. I am keeping it as a file right now but another developer wants it as return value. So what is the maximum possible length of this String output? Is ...
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168 views

Are FME2013 and 64bit Background Geoprocessing of ArcGIS 10.1 SP1 compatible?

We are running ArcGIS 10.1 sp1 and have installed 64-bit background geoprocessing. We are also upgrading to FME 2013. I know in the past we have had to install the 32-bit version of FME due to ...
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246 views

getResultImageLayer is not working

I am trying to obtain the shapefile output that I am receiving from the gpTool, which is hosted on the ArcServer, and placing it on the Map using, gp.getResultImageLayer(jobInfo.jobId,"final_shp", ...
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267 views

How to generate Buildings ID numbers inside parcels

In order to decrease manual data entry, I would like to automate a task to generate numbers for all buildings inside a parcel starting with 1. For example, I have 4000 parcels and each parcel has ...
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494 views

Not able to create a geoprocessing package in ArcMap using my own Network Dataset and associated data

I went through the following two examples to get an idea of how to create a custom, local Routing Task . . . This is a walkthrough that takes you step by step through the creation of your first ...
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264 views

How do I stop GP script from adding temporary data to Table of Contents?

I have a script that does a series of calculations, producing temporary data along the way. However, at each step of the script, data is added to the TOC and then removed when I call the ...
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186 views

Efficiently classify raster with irregular polygons

I have a project on my desk to classify an elevation model using different elevation breaks for each polygon in the area of interest. In pseudo code: FOR each polygon IN layer: CREATE_MASK FROM ...
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329 views

gp.CreateFeatureClass(..) and gp.CopyFeatures(..) isn't copying all fields of feature class

How do I get the ArcGIS 9.3 geoprocessor to copy all of the fields of a feature class? Here is a description of what I'm trying to do: I am modifying an existing script created by a developer not on ...
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1k views

Is there a way to convert 3D polylines to 3D points in ArcGIS?

I need to convert a huge number of very dense (densified to 1m) 3D polylines to 3D points. I need each vertex along the line and no duplicates (two of the same XYZ coordinates) if possible. Is there ...
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1answer
1k views

How do you make a SQL join query for a NULL in a search cursor in ArcPy?

I am trying to learn how to do some error catching/avoiding in ArcPy. Here is a simplified version of what I would like to do. I would like to take some points, and then check to see if there is a ...
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667 views

Wifi Positioning System (WPS) setup

I need to develop a shopping mall GIS. I have no idea to develop it. The shopping mall GIS should function like GPS (guides user to desire shops). Do I need to set up some GIS device at each corner of ...
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147 views

Is Clip (Data management) or Extract By Mask (Spatial Analyst) more efficient?

I'm trying to clip down an Orthophoto to a county boundary. I've been using the Extract By Mask Tool, but this process has been running for about 12 hours! It's gone through 2 cycles already, so I'm ...
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1answer
108 views

Why would Update (Analysis) tool from ArcGIS Desktop 10.0 create duplicate features in file geodatabase?

I am attempting to use the Update (Analysis) tool to update a right of way (ROW) polygon feature class with a roads polygon feature class. The ROW feature class completely contains the roads feature ...
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227 views

AGS 10.1 geoprocessing service returning the wrong URL

I have an image export geoprocessing service that runs on ArcGIS server 10.1. It works by writing an image out to the scratch folder, and returning the location of that image. Basically just this: ...
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190 views

Why would Select By Location appear not to work properly after Multipart to Singlepart?

I am having issues using ArcGIS Desktop 9.3 and the multipart to singlepart feature and then selecting by location. Basically, I am able to run the multipart to single part feature to split up some ...
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350 views

Calculate number of people within 50 km of a point

I have two data sets: World population (raster) in EPSG:4326, from http://sedac.ciesin.columbia.edu/data/set/gpw-v3-population-density-future-estimates/data-download A shp file with points ...
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31 views

How to find names of Unincorporated parts of a county in Navteq data?

I am currently using Navteq Data and am unable to find how to label unincorporated places within the LA County. Most of these spots are small and spread throughout the entire county however they do ...
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537 views

ArcGIS Server 10.1 and Postgres Geoprocessing Service issue

I'm hitting an error when publishing a model from ArcGIS Desktop 10.1 to ArcGIS Server 10.1. The model I want to publish uses a layer from a Postgres DB defined via a Query Layer in my MXD. The ...