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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“Flattening” two shapefiles together

I have this big land use map. I extracted shapes associated with mountains so that I can improve the classification (for example, I corrected clouds in the mountains to be forest, among other things). ...
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83 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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73 views

ArcGIS: Assigning values to missing attribute data for line layers

I have a large road network layer with an AGE attribute associated per segment. In some occasions, I would have segments A -> B -> C with segment B with no value for the AGE field. In other ...
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61 views

Join by attribute when unique identifier has multiple rows using ArcMap 10.2?

I would like to join the attributes of one polygon layer to another polygon layer by their common ID. The problem is that in layer A, each ID has multiple rows, because each represent shapes from the ...
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1answer
168 views

How to connect to ArcSDE for using the ArcObjects Erase tool in C#?

I want to make use of geoprocessing via .NET ArcObjects, in this case of the "Erase" tool. This is easy once dealing with a local gdb file what I did for feasibility study. The issue occurs when I ...
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51 views

How to calculate the area of overlapping buffers within a single layer

I am very new to GIS, so don't know if this is EXTREMELY easy or impossible. I have GPS coordinates for stores (about 15000) for which I have created a buffer zone around each store location ...
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108 views

Is it best to use multipolygon or polygon features for large intersect operations?

I have two large layers that I want to do intersect operations. One is municipalities and the other is landuse. Right now, the landuse layer is of MultiPolygon type that is, for the entire state, I ...
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65 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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96 views

ArcGIS Geoprocessing Service returning feature class?

I am pretty new to GIS world so sorry for my silly question. My problem is i am trying to send some feature classes from gp services. I have written python toolboxes which does some business logics ...
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1answer
32 views

Using IGeoProcessor2 to update Oracle Spatial

In the below example the input and out are shape files read from folders.Is it possible to read and write Oracle Spatial Geometry tables? I have ArcGIS,ArcSDE and Oracle Spatial 11g. How to set ...
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94 views

Convert Arcpy results to feature class in ArcMap 10.1

I am using ArcGIS 10.1 and am a newbie in Python. Currently we are executing stored procedure (from sql server) through ArcPy in ArcMap. I want to create feature class from executing following python ...
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1answer
96 views

Is there a way to access the GeoProcessing tools in QGIS, in code

Is there a way to access the GeoProcessing tools in QGIS, in code? I want to find the Difference between two layers and make a new shapefile with the result.It can be manually done by selecting ...
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60 views

ArcGIS Geoprocessing “None Type” Second time

I am trying to publish an ArcGIS geoprocessing service in 10.2 I have a script setup that will run multiple times through Pycharm, but when I run it in ArcGIS it will run once and return this error: ...
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77 views

Issue clipping vector file with QGIS (geoprocessing tools)

I am trying to clip wind speed data (.shp format) to Canada's provincial boundaries (also .shp format). I am using the clip feature in vector > geoprocessing tools. For some reason the function always ...
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2answers
69 views

Conversion to SDE changes names

I could not find anything on this topic already discussed. We converted our file-based system in ESRI to an SDE instance on Sql Server. We made changes in our code to open using the connection string ...
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80 views

Create Shapefile of all overlapping features from single Shapefile

I need to create a Shapefile out of another Spahefile that consists all overlaps of features within the initial Shapefile. I'm sure there is a simple solution using ArcMap or QGIS, but at the moment ...
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2answers
377 views

How to enable multithreaded processing in qgis 2.2

I have found multiple links that appear to say that this now exists in qgis 2.2, but it appears that it's only using one core to full capacity. This is running on Ubuntu 14.04 The current process is ...
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464 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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72 views

Geocoding in 64 bits - background geoprocessing

I have 10.1 SP1 installed plus the background geoprocessing patch for 64 bit geoprocessing. Im trying to geocode a large file, so wanted to take advantage of 64 bits processing. My Surprise when i try ...
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271 views

ArcGIS 10: Create an event linear layer from a point layer based on directionality

I have a point layer that reflects the speed limits and a line layer of the roads. The location of the speed sign indicates in which direction the speed limit applies. How can I make linear event ...
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109 views

How to create a feature class from a DEFeatureClass output parameter

I'm writing a geoprocessing tool with ArcObjects for Java. My tool takes in parameters one feature class (from a layer, a shapefile or a GDB) and others parameters. The parameter in output is a ...
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2answers
87 views

Clip for each feature

I want to clip a polyline feature class by a polygon feature class (buffers created from points). Several polygons overlap, so I want to get each polygon feature clipped with each polyline feature. ...
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89 views

Finding shortest cumulative route (i.e. best 'hub') between networked points

How do I find the shortest cumulative route (i.e. best 'hub') between networked points? I have a dataset where some but not all of the points in the network connect to each other, however it is ...
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1answer
159 views

Finding the common borders between polygons in the same shapefile

The question is essentially the same as here, except that I want to do it in qgis. Thus, is there a qgis function equivalent to the ArcMap intersect function that will take a polygon layer and output ...
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1answer
68 views

Updating MXD layer definitionQuery in arcpy is very slow

The code segment below has been extracted from a larger project. In short, I have an MXD which I want to generate multiple PDFs based on different criteria. The code below works. It loops through ...
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45 views

Query results feature set to a brand new Features set

Here what I am trying to do: 1) My overall goal is to query an extent and to extract data by this extent. I can successfully achieve the first part. 2) Here is my issue: The Dynamic layer queried has ...
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65 views

How to move points to another polygon based on attribute?

I have a point layer and a grid cell/fishnet layer. Each point falls within a grid cell. Now I want to move some of the points to another (the nearest) grid cell based on an attribute that exists in ...
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199 views

ModelBuilder Output Creates .lock file and Cannot Overwrite When Ran a Second Time

I am having trouble overwriting an output shapefile from ModelBuilder. The model works great when ran the first time, but I get an '000210 : Cannot create output .' error if I re-run the model. The ...
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1answer
543 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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65 views

Default error 400 GP clip and ship

I am running this script . I get a 400 error message. The message is the following: {"error":{"code":400,"message":"Unable to complete operation.","details":["Server environment property not found: ...
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1answer
44 views

scratch workspace in-line variable, up one level?

So I'm building a model to be published as a geoprocessing service, and I'm trying to use the 'Save to Layer File' tool to create a symobolized result of my raster output. I've set both current and ...
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107 views

Is there a decent algorithm in QGIS Process Modeller to create a grid?

I am using Process Modeller to automate merging several vector layers and then creating a grid to cover the extent of the merged layer. There are functions which already exist which are not listed in ...
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53 views

trying to add content to the middle of a string

I am trying to add content to the middle of a string by using MyStr = Mid([MyField], 1, 1) and I get an error. I've tried MyStr = Mid([_smallx], 63, 6) and MyStr = Mid(["_smallx"], 63, 6) The ...
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120 views

Euclidean distance tool issue,not obtaining output

I'm trying to perform an exercise but I'm not having the output that I was supposed to have. Which says this Procedure: Open ArcMap and load the Spatial Analyst extension: Customize → Extensions → ...
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3answers
293 views

Use VB to calculate an area of a shape

I'm using Arcmap 10.1, running python 2.7 on a Windows 8.1 machine. I have a script that uses the arcpy.CalculateField_management function to calculate the area of a shape, however, for some reason ...
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2answers
128 views

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 ...
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1answer
413 views

Why does Field Calculator say failure during processing, check geoprocessing results window for details? [duplicate]

I am using the Field Calculator and keep receiving the following error: 'There was a failure during processing, check the geoprocessing results window for details'. I am not very tech-savvy but I have ...
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30 views

Extract aregular gride of points (x,y) values inside a polygon in arcgis10.2

This question may be frequently asked .But until know there is no clear answer . I need to extract a regular grid of points inside a polygon .In every time i construct several polygons from the ...
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2answers
3k views

Error:The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception

I am developing custom geoprocessing tool (class-library project) on ArcGIS 10.2. This project uses Oracle.DatAccess from ODP.NET 1.0 . This is a simple tool which queries - oracle 10g database and ...
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2answers
507 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 ...
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1answer
102 views

How to Format Description when writing Help for Python script tool?

I try to format the description in script tool but I don't know how it works so i don't manage to add a line break for example. Does it works with HTML tags ? When editing my script the description ...
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2answers
330 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
96 views

How to intersect more than two layers? Is there a quick way?

We have three layers, income, obesity and fast food restaurants for England and we wanted to find districts where they all intercepted. So we did a combination of two layers at a time to find where ...
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1answer
90 views

Weighted Overlay - passing parameter as text error?

For some reason when hardcoding the save path for the wieghted raster just before runtime it works perfectly. Like such... arcpy.env.cellSize = "90" arcpy.env.workspace = r'G:\Xcel\Route ...
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2answers
358 views

Geoprocessing Tools on ArcGIS 10.2 and Visual Studio 2012 -issues

I am migrating one of the existing project (custom Geo-processing tool- class library project) source code which runs on ArcGIS 10 SP4 and Visual studio 2010. This is working fine. I am could run the ...
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62 views

ArcGIS Grouping Analysis Error

I am trying to run the Grouping Analysis tool from Esri's ArcGIS Spatial Statistics/Mapping Clusters toolbox. I have run the tool successfully on the same input layer using a different spatial ...
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1answer
106 views

Getting Problem While Running Spatial ETL Tool

I have Created a spatial ETL tool to do small operations like adding an ID, updating different fields, etc. While running it from the Edit Session of Spatial ETL it runs well and good. ![enter image ...
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1answer
58 views

How to enable adding both feature classes / tables and layers from TOC to a script tool parameter input?

I have developed a script tool which will allow a user to specify input feature class or table and then will process it. Surprised I haven't noticed this before: I cannot find which data type my ...
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1answer
127 views

Running model in QGIS gives ERROR: Missing mandatory parameter?

I am trying to make a batch model to convert band 2 and band 1 MODIS 8 day composites into NDVI. The input files are in tif format, but I want the output to be saved in Idrisi .rst format. I am ...
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68 views

How to maintain Shape_Length field afer Spatial Join of Point to Polyline feature classes?

I need to get for each point the length of the line that joining to the point. How to maintain the "Shape_Length" field of polylines when I'm Spatially Joining point to lines feature classes ? When ...