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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Getting the active projection Qgis uses on the fly

I wan't to get the correct length of a feature in python and there is no problem getting it from the database and transform it ( *SELECT ST_length(ST_Transform(geom, 3007))* ), but how do I know which ...
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79 views

Call ArcPy script via CGI on IIS

I have an ArcPy script that does a whole bunch of processes with ArcGIS 10.1 to write the output data to a SDE geodatabase. What I want to achieve is to enable an online user to call the script and ...
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1answer
146 views

Geoprocessing service saved data to scratch gdb

I created and published a geoprocessing service from a toolbox. It works with a file geodatabase on my local drive. When run as a tool in ModelBuilder, it worked well and wrote data into the file ...
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1answer
82 views

Calculating point proximity in ArcMap 10.1

I have a geocoded point file which (theoretically) contains one point for every zip code in the U.S. I want to create a smaller list of zip codes from this file. The list should include only those zip ...
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98 views

Raster extent, just clipped by geomtery, slightly differs from a given geometry

The raster using arcgis geoprocessing is cliped with a feature, reading it's geometry and as a result, rasters extent slightly differs. Extent of geom: str(row.shape.extent) '570600,537958652 ...
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263 views

How to calculate the length of clipped lines using buffered points using ArcPy? [closed]

I need to create a buffer around each point of a points feature class. I would then want to use the point buffers to clip the streets feature class to calculate the length of the clipped streets using ...
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1answer
77 views

Add buffer only on one specific side of polygons

I have a shapefile with multipart geometry (multipolygons), namely communities (blue on the picture below). There are also lakes (white), but for these I don't have a geometry, they're just "empty". ...
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1answer
331 views

ArcGIS Desktop 10.1 SP1: how to install/use additional Python modules?

I'm currently working on a project where I have to identify geomorphological features in a digital elevation model. Since the aim is to have a single ArcGIS Toolbox integrating all processing steps in ...
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3answers
251 views

Polyline selection of features with angle turns up to a specified angle

I'm looking for an automated way to select line features that have specified angle between vertexes. That in order to check water mains layer -steel pipes can have only 45 or 90 degrees turns and I ...
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99 views

Point in polygon analysis fails with “TypeError: arguments did not match any overloaded call”

I am using QGIS 1.8 on Windows 7 I want to perform a point in polygon analysis using the Vector > Analysis Tools menu. My point layer is the result of a SpatiaLite query which returns 10'000 points. ...
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129 views

Issues when importing line shapefiles into NetworkX

Note that although I am using Python Console from within QGIS for this, I don't think it's a QGIS issue. Below is the difference of how NetworkX is dealing with 2 line layers created by the same ...
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1answer
265 views

Attribute error:'NoneType' object has no attribute

I tried to run a python script for getting the coordinate system of a feature/shapefile as follow >>> import arcpy >>> from arcpy import env >>> ...
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192 views

Configure Python with Geoserver

I am developing a WebGIS application with: Openlayers 2.12 PostgreSQL 9.2 with PostGIS 2.0 extension Geoserver 2.2.3 Apache 2.0 configured with Tomcat 7.0.35 PROBLEM One of the services of the ...
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104 views

How do I get around license error when creating custom tool?

I created a custom geoprocessing function tool according to this link . . ...
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46 views

Creating sign locations from an existing database with offset & dist to nearest intersection (buffer analysis)?

I have a database of 22,000+ signs that contains the offset from centerline along with a distance to/from the edge of pavement to a specific intersecting road for each sign. I also have a street ...
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2answers
1k views

How to read an Excel sheet in ArcPy script

I'm writing a python code to convert X,Y points in excel to shapefile. In this process i have toread xy points from shhet1. What is the step i have to include in my process to read data from sheet1 of ...
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2answers
87 views

How to get an idea to use ArcGIS tools in toolbox?

I want to see the definition of any tool in ArcGIS tool box and How to enable to see the procedure to use them and option to edit the tool?
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2answers
98 views

Calculating distance to a feature from a reference line

I have multiple shapefiles, each containing a coastline for a specific year. I want to calculate the perpendicular distance to the shoreline from a fixed vertical reference line. Please recommend me ...
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1answer
109 views

Improve Python script logic/structure for erasing features with arcpy

EDIT: Too big a question, I think - so, to refine it: Please help me define (and therefore, research/learn how to use) the Pythonic concept for writing a script that can take one input variable, ...
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2answers
947 views

Using Value from Iterate Feature Selection to Calculate Field in ArcMap 10.1 ModelBuilder

I have two polygon feature classes, an alignment layer and a parcels layer. I am trying to use ModelBuilder to create a tool that will do the follow: iterate through groups in a single field of a ...
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2answers
193 views

How to extract all lines that do not intersect with buffer?

I am working in ArcGIS Desktop 10.0 and/or 10.1. I have two road network feature classes in a file geodatabase. I have created a 5 meter buffer around the first one, so it is now a polygon feature. ...
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4answers
2k views

Python Script examples for geoprocessing shapefiles without using arcpy

I would like to use a Python script that is not based on arcpy to do things like query a shapefile by attributes, create new layer from selection, and calculate areas of a polygon and convert ...
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280 views

Better way to get raster values for a large number of point features?

I have several projects with tree point features (SpecialStatusSpeciesPoint) that contain up to 2,000,000 records. I am trying to record tree height (Hgt) and base elevation (BaseElev) values, based ...
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136 views

How to create a line layer which connects a point layer to a line layer?

In the map shown below, I have manually created the dummy lines (in green). Using python, and without using PostGIS or sextante, I would like to automate the creation of these dummy links between a ...
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2answers
121 views

Erase features from feature classes based on record ID?

This is the challenge: I have two feature classes, which have the same number of polygon features, that when overlaid form concentric "rings." I need to erase the inner circle from the outer circle ...
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1answer
195 views

How to create a drop-down list of geoprocessing tasks?

I need to construct a drop down menu with each choice enabling a different geoprocessing task to run over my script. <select id="myList" onchange="environment()"> ...
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1answer
92 views

Slope tool error when running from arcObject add-in tool

My problem is related with Global DEM to Slope calculation. The slope tool works when raster is projected or the map is projected where the raster is added. And also, if the raster and map both are ...
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2answers
167 views

Vector Machine Classification in ArcGIS

Is it possible to perform a vector machine classification of raster image using the ArcGIS software package. This supervised classification method is available in the ENVI software but not for ArcGIS. ...
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1answer
53 views

Reference Error: selectZIP is not defined

In Firebug I keep getting this error when I try to click a button I made. <button type="button" onclick="selectZIP()">Execute</button> I declared a function called selectZIP in a .js ...
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1answer
218 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 ...
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37 views

Does a geoprocessing tool exist that can find all DTED tiles that intersect an AOI?

Does a geoprocessing tool exist that can find all DTED tiles that intersect an AOI? I have a area of interest represented by a polygon and DTED tiles (some of which intersect with the AOI). Is there ...
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68 views

How to start Routino with current location?

I'm trying to develop a routing system, I'm using Routino as the routing engine...as anyone tried to instantiate the first marker (starting point) with the user current user location that can give me ...
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1answer
60 views

Near / Near Table creates -1 values

I have two feature classes. Point feature of hand-sampled GPS locations Line feature of terrace walls digitized from aerial photograph. Because of the less than perfect ways I generated these ...
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90 views

GPServer does not exist or is inaccessible

I have successfully published a Geoprocessing Tool as GP services, I had called it with success, but when I try to call it, now it gives me this error GPServer does not exist or is inaccessible for no ...
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3answers
460 views

How can I use ArcGIS 10.1 to find a geodesic equidistant point defined by three points?

For example, I have coordinates for three base points on a coastline and I need to find the coordinates of the point off the coast which is equidistant from all three. It’s a simple exercise in ...
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2answers
101 views

Change the starting measure point of a route - linear referencing

I have a few routes created and stored as a feature class in a GDB. When using the create route tool there is an option to choose the starting point of the routes. However, I only have certain ...
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1answer
243 views

Creating an Origin/Destination (OD) cost matrix using ArcPy

I have created a python script that runs an OD cost matrix over five years from 1999 to 2004. I have set up an OD cost matrix for each year, which I think is very cumbersome. Is there someone who can ...
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92 views

How to identify parameters sent from ArcMap to geoprocessing service on ArcGIS Server?

I have a question regarding the use of ESRI geoprocessing services and maybe some of you can give me a hint for the following "problem"... I have set up a geoprocessing service which should solve a ...
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2answers
277 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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1answer
232 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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1answer
183 views

Geoprocessing tool not executing when Map's SpatialReference is Web Mercartor

I am facing a strange issue when trying to execute GP service when my map's spatial-reference is Web Mercator. I appreciate all help. I have a JavaScript API application. Initially I only had my map ...
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1answer
303 views

Why does Clip keep giving Error999999: Error executing Function Invalid Topology [Topoengine Error]?

The layer being used as the Clip Features has been used before and worked fine, so I assume the issue is the layer I am trying to Clip (Input Features) - I keep receiving the same error when running ...
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1answer
173 views

Can ArcPy collapse layer in current data frame?

Online ArcGIS resource help provides a list of layer properties which can be used as needed. I am not able to find a way to collapse a layer using ArcPy in it. Please suggest if there is a way to ...
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66 views

Congressional Redistricting

I have a project coming up where I need to create new congressional district looking at only total population data. I am planning on using the census tract level of data, but I am having some ...
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1answer
73 views

ArcGIS 9.3 geoprocessing service output consideration

I'm developing geoprocessing service which do few processes with geographic data. I would like to get somehow geometry of those data and use it in my web aplication (JS ArcGIS API). Now I'm wondering ...
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2answers
247 views

Sort a feature table by geographic location

Here's in interesting challenge: I need to embed a table in a map layout so that the records in the table are sorted according to their geographic position on the ground. For example, in a ...
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2answers
200 views

What tool would you use to “clip” a vector line file to a vector polygon file?

I am trying to select the use of a large vector line file within only the parameter of a vector polygon file to do spatial analysis. It would be the same thing as using the extract> clip tool under ...
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1k views

Why is it important to use feature layers in ModelBuilder?

I am trying to understand creation of a geoprocess with ModelBuilder, but I don't know why it's important to use feature layers instead of feature classes when creating a geoprocess with ModelBuilder. ...
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3answers
65 views

Split a layer into a single layer

I have two multi-polygon layers, one a map of land uses, the other borders of administrative areas. I am interested in analyzing the amount of land use in each administrative area, but the polygons ...
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1answer
1k views

How to increase maximum memory usage cap for running Arc 10.1?

Not sure if this is strictly GIS related or perhaps belongs on StackOverflow...it is regarding ESRI ArcGIS 10.1, so I'm sticking it here. I'm looking for options to increase processing capacity, and ...