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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Can I convert the sharp edges of a polygon easily to round edges?

I use the python module "shapely" to make Polygons (like below). Can I convert the sharp edges of a polygon easily to round edges? Such that when I have unified some polygons I could issue a command ...
3
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2answers
396 views

Looking for Python module to do lat lon calculations

I'm looking for a Python module that can provide some / all of the following services using latitude/longitude to define points: Distance between two points Point in polygon Distance along a ...
3
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1answer
337 views

'Pausing' a Python script tool to allow the user to provide input before continuing

I am using ArcGIS. I have written a Python script that creates various surfaces including NDVI. After the script creates those surfaces, I would like the script to stop running while the user ...
3
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2answers
477 views

Create point geometry in a feature class with all the attributes prepopulated

So here is the problem. I have a text file with space delimited values. A standard text file with the headings separated by spaces and then on each next line values for these headings (columns) also ...
3
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2answers
800 views

Why is ICalculator.Calculate significantly slower than the CalculateField geoprocessing tool with SDE datasets?

I just discovered today that there are essentially two ways to calculate field values in ArcObjects: 1. Using ESRI.ArcGIS.GeodatabaseUI.ICalculator: ITable table = …; ICursor updateCursor = ...
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3answers
2k views

Geoprocessing with ArcGIS Server 10.0 - %scratchworkspace%

http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Key_concepts_for_geoprocessing_services/002v00000002000000/ I'm trying to have a new GP Service arcpy.AddMessage() the scratchworkspace ...
3
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2answers
1k views

Is it possible to get arcpy on 9.3* or Qgis? Or maybe some of the functions?

If this isn't possible what would be the closest equivalent open source? Could parts of the module be ported to work on 9.3 or QGIS? I'm not sure if this would infringe on the license porting for 9.3. ...
3
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2answers
331 views

ArcGIS flow accumulation

I am trying to run ArcGIS 10.1 flow accumulation on a 10000 x 10000 cell unsigned 8Bit integer flow model (but 80% of that is no data). The data has been through a "fill" procedure once. The only ...
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3answers
419 views

ArcGIS Server 10.1 Python GP script shape as input parameter

I am writing a geoprocessing script that will need to accept a shape as an input parameter. This shape will be obtained by a user drawing the shape in a web application. The web application will ...
3
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1answer
262 views

How to write binary ArcGRIDs outside of ArcGIS in linux?

I've been looking for a way to create\write binary formatted ArcGRID images in Linux without much luck. It seems the GDAL project only supports reading these files, but there is not write support. ...
3
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1answer
69 views

Copying/Pasting Information from Geoprocessing > Results > Messages

This seems so elementary, yet I am having difficulty locating the directions for copying and pasting the information in my analysis output to a word document for future reference. Specifically, I ...
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2answers
282 views

How can I GROUP BY linear spatial clusters with PostGIS?

I have a series of points in a horizontal line, arranged into discrete spatial clusters by the underlying data pattern. Here's an example of what they look like: How can I use PostGIS to group them ...
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1answer
66 views

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 ...
3
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1answer
294 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 ...
3
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2answers
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? ...
3
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3answers
699 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 ...
3
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1answer
458 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 ...
3
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2answers
322 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 ...
3
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2answers
412 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 ...
3
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1answer
471 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 ...
3
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1answer
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!
3
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2answers
2k views

Extracting elevation from a TIN file with a point shapefile overlay

I have a TIN file that was built off of contour polyline shapefile (I think). I have a point shapfile with a few points. How can I extract elevation of the TIN file where the points occur? I am ...
3
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1answer
867 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 ...
3
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2answers
68 views

Open Source Interpolation Service?

We are seeking an open source solution for dynamic (on the fly) IDW or Kriging points interpolation. Basically we are looking for something similar to ArcGIS Spatial Analysis Service. ...
3
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1answer
52 views

Which parameter data type is used in the Integrate geoprocessing tool for ranking?

I'm trying to figure out which parameter data type is used in, for example, the Integrate geoprocessing tool. It looks like this: I'd like to use it in a geoprocessing tool I'm making, but can't ...
3
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1answer
43 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 ...
3
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1answer
59 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 ...
3
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2answers
451 views

Create a single connected polygon from multiple polygons

I am trying to create a single continuous (neighborhood) polygon from many tax block parcels. The Multipart to Singlepart GP tool does not accomplish the task since I need the polygon to be complete; ...
3
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2answers
364 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 ...
3
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1answer
257 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 ...
3
votes
2answers
466 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 ...
3
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1answer
254 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, ...
3
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1answer
135 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 ...
3
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1answer
430 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 ...
3
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3answers
203 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
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2answers
990 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 ...
3
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1answer
858 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 ...
3
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1answer
725 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 ...
3
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1answer
399 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 ...
3
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3answers
413 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 ...
3
votes
1answer
356 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 ...
3
votes
1answer
47 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 ...
3
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2answers
394 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 ...
3
votes
2answers
541 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 ...
3
votes
1answer
363 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 ...
3
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1answer
175 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 ...
3
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1answer
521 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 ...
3
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1answer
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 ...
3
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1answer
172 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 ...
3
votes
1answer
263 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", ...