Tagged Questions

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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4
votes
1answer
779 views

What is the distinction between Difference and Clip in QGIS?

What is the primary distinction between the Difference and Clip geoprocessing tools in QGIS?
2
votes
1answer
146 views

Geoprocessor Execute HRESULT COM Error

Recently, I started having problems with my C# projects running ArcGIS10.1 geoprocessing tools. My tools point to custom scripts in project toolboxes. The code in question has run without issue in the ...
2
votes
2answers
114 views

How to define workspace as input for GP tool in order to select from list CAD layers as the second input?

How to define workspace (folder) as input for gp tool in order to select CAD layers as the second input that will be obtained from the first input?
2
votes
1answer
91 views

Raster layer calculator

In PCI Geomatic, I have two raster layer.raster1 identified like %1 and raster2 like %2. if (%1 <= 10) then %2 = 60 elseif (%1 > 10 and %1 <=50) then %2=80 elseif (%1 > 50 and %1 ...
1
vote
0answers
158 views

Flex Viewer: How do I return a subset of the input data using the geoprocessing widget?

I have a set of point data (representing crashes) that has been published as a feature service and which I have pulled into a Flex (3.5) application. I want the users to be able to submit a query and ...
2
votes
0answers
87 views

Cannot use published zonal stats geoprocessing service (Arcgis Java API)

I am primarily following this tutorial. Here is the signature for the service used in the sample. It is slightly different than the one I have had any success with, though if I recall correctly the ...
1
vote
0answers
84 views

GP-Tool: Detect if running in background or foreground ? (ArcObjects)

I got a geoprocessing tool which I want to prevent from running in background, due to some weird crashes that happens. Is it possible to programmatically detect if background processing is enabled ? ...
1
vote
2answers
122 views

geoprocessing across multiple vector layers QGIS2

I have 6 layers of point data (each layer is one year), where data in each layer are distributed throughout a grid, and the grid is identical in each layer. I'd like to extract data from each layer, ...
1
vote
2answers
153 views

How to clip all shapefiles, layers, etc associated with global map of Mars

I'm working on a project where I've found an open source NASA .mxd of shapefiles, layers, metadata, geology, a 30x30 graticle that splits the lat and long into 30 degree square polygons, etc. I only ...
1
vote
0answers
24 views

Implementing day night functionality [duplicate]

I want to implement day/night functionality on world map i.e there will be dark layer showing countires having night now. This world map could be creaeted through ESRI or SVG map.I want to ...
3
votes
0answers
51 views

How to automate creation of Network Turn Features from line segments? [closed]

I have a road network which I will add Turn features in. From the road network, I have created a model that cuts out the line segments where the turn features will be located. My problem is how to ...
1
vote
0answers
42 views

Is it possible to have run-time dynamic table updates to visualization using javascript interacting with postgis and geoserver

I have an idea of/have seen implementations, of dynamic map retrieval/updating using wms on openlayers by using updates to a postgis database which was hooked into geoserver and having a refresh ...
0
votes
1answer
298 views

Clip geodatabase containing vector and raster data

I have a fairly large file geodatabase in ArcGIS 10.1 containing both vector and raster datasets. Generally, I only want to work on a small extent at a time. Is it possible to clip a geodatabase to a ...
2
votes
0answers
47 views

How to erase using feature(s) within the same feature class? [closed]

I develop an application and I want to erase overlay features in a feature class in the application.I use ArcEngine 10. I don't have another layer that have erase features then i cant use erase tool ...
4
votes
4answers
268 views

How to convert result of dissolved buffer into individual polygons?

I am wondering if there is a way to easily split results of a disolved buffer into individual polygons? E.g in the screenshot below all of these buffers are one item, can I split them into individual ...
1
vote
0answers
26 views

How to make gdalbuildvrt available in processing modeller?

I would like to make a model in QGIS that builds a virtualraster from several raster files. Unfortunately the gdal function is not available on the modeller. So, my question is: how to make this ...
1
vote
1answer
240 views

How to create parameter windows for custom geoprocessing tools?

I would like to create a geoprocessing tool with a custom GUI for its input data. To put it in other words: imagine that your client works mainly with arcmap documents and he already has an arcpy ...
2
votes
2answers
341 views

What is faster for geoprocessing (intersect) big shapefiles?

I have 200 Mb shapefiles of polylines downloaded from OSM. I've been working with QGIS 2.0 in Ubuntu 64 Bit 8 Gb RAM to make some geoprocessing tasks and it's taking 2 days for processing. Once I've ...
0
votes
1answer
173 views

Is there a way to change Table to Table import parameters in ArcCatalog?

Is there a way to change Table to Table import parameters in ArcCatalog to either import text longer then 255 characters or truncate the input text to 255 characters? I have 350 tables in a CSV ...
1
vote
1answer
384 views

What might cause “ERROR 000728: Field <fieldName> does not exist within table” in this code?

I have seen ERROR 000728 several times and I could never figure out why it happens. Here is a snippet from my code: str_Dissolve = arcpy.Dissolve_management(Intersect_str, ...
0
votes
0answers
85 views

Loop - convert layer to raster coming up blank

I am looping through files, selecting out building footprints one by one and converting the selected building footprint to a raster. The script worked fine for about 2 hours this morning then stopped ...
1
vote
1answer
191 views

How to batch split feature classes using Arcpy?

I want to bath split analysis tool using Arcpy . I have some feature classes in a feature dataset.I want to Split All of feature classes uisng a shapefile but after split two feature classes, the ...
1
vote
1answer
74 views

Field does not get updated with Geoprocessing Service

Can anybody tell why the field gets updated when I run this script in ArcMap but not when I run a geoprocessing service? Thanks #Import modules import os, sys, arcpy, traceback, arcgisscripting gp ...
0
votes
1answer
225 views

Arcpy CalculateField using formatting syntax

I have 2 feature classes (FC) that I am merging together and then performing some field calculations on. The 1st FC has 100k+ records in it, and the second FC is a blank FC that I'm using as a ...
-5
votes
1answer
214 views

How to copy table in ArcGIS for Desktop and keep same feature ID (objectID)?

What geoprocessing tool I can use to copy a table from SDE geodatabase to personal geodatabase, keeping the feature ID (objectID)?
2
votes
1answer
86 views

Is it possible to automatically update a Buffer FeatureClass when creating new features?

Is there a way I can update the results of my Buffer analysis? I have a roads FeatureClass, and I've built a buffer for it. I will still make edits to the road FeatureClass. Let's say I add a new ...
4
votes
4answers
645 views

How to process large shapefiles faster in ArcGIS for Desktop?

I have huge line and polygon shapefiles that I want to edit with some geoprocessing tasks (clip, buffer, erase,...). Altough my computer is not that slow, I am annoyed of waiting up to 15 hours for ...
2
votes
2answers
414 views

Interpolation iteration using ArcGIS- arcpy

My current project requires interpolation of state level weather data. Approximately 5 years of daily data needs to be interpolated. I still need to figure out the best interpolation method. However, ...
1
vote
2answers
168 views

How to query a data table embedded in ArcPad AXF file package using VBscript?

I would like to ask for some help on writing some VBscript (Supported in ArcPad) in a user form Command Button where the user activated the form with a unique feature ID(hence named COA_ID) already ...
0
votes
2answers
192 views

How can I get a single part dissolve using ST_Union or ST_Aggr_Union?

I am trying to get dissolve functionality using ST_Union using this query : SELECT c.fid, ST_Union(c.boundaryshape) FROM c GROUP BY c.fid; Than I found instead of using ST_Union I should use ...
0
votes
1answer
300 views

What is correct entry to Input Location (GPFeatureRecordSetLayer)*?

I use: http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Network/ESRI_DriveTime_US/GPServer/CreateDriveTimePolygons/execute What is correct entry to Input Location (GPFeatureRecordSetLayer) ...
5
votes
1answer
213 views

How to achieve equivalent to Dissolve from ArcGIS for Desktop using ST_Union?

I am trying to achieve an equivalent to the Dissolve tool from ArcGIS for Desktop using ST_Union from PostGIS but it seems I am not getting expected result. I have one table which has certain ...
5
votes
1answer
757 views

Split polylines at polygon boundaries in QGIS

I have a set of contour lines and a polygon set containing glaciers. Because I want the glaciers to have blue contours, I need to split the contour lines at the glacier boundaries. I can achieve this ...
2
votes
1answer
91 views

Why is pooled geoprocessing service not available via the ArcGIS Rest API?

I'm using ArcGIS Server 10.0. I've published a pooled asynchronous python geoprocessing service. It works correctly using the Rest API. When I configure the service not to be pooled, I can't access ...
0
votes
2answers
260 views

How to perform a buffer analysis in PostGIS?

Need to Implement Spatial Analysis in Postgresql. Can Any one guide me to accomplish the spatial analysis eg) 2 km buffer for road network layer.
2
votes
1answer
50 views

Conceptually, what's the ideal way to develop detour maps for a large number of nodes

I have a road layer of roughly 30,000 links. On these links, I have a total of 15,000 nodes that are sorted in a point layer. I'm trying to build a detour distance and routing around each asset in ...
-1
votes
1answer
276 views

arc gis javascript API Capturing polygon “onclick” event data to pass as featureset

How can you figure out what polygon is clicked within a feature layer? I have a feature layer made of county polygons. When the layer is clicked I want to trigger a geoprocessing task on my server. ...
0
votes
0answers
37 views

How to select raster layers for averaging based on values in another layer?

I wonder if anyone have some ideas about how to solve this geoprocessing situation: 1: I have a raster layer called mixlyr_apr (representing depth values) 2: I have a series of raster layers called: ...
1
vote
1answer
256 views

What's the difference between Spatial Join Tool and Spatial Join Function in ArcGIS?

I am curious to know if anyone can shed some light on the difference between ArcGIS' Spatial Join geoprocessing tool (found in Analysis -> Overlay toolbox) and the Spatial Join 'wizard' (found by ...
2
votes
0answers
72 views

Convert absolute file path to raster databaset [closed]

I wrote a simple python script that outputs an absolute path as string to a GeoTiff file. So this file can be treated as Raster. In a Model, the GeoTiff file is to be the input raster of a CopyRaster ...
0
votes
1answer
127 views

Python geoprocessing performance [closed]

I'm using ArcGIS Server 10.0. I have a python geoprocessing that takes a lot of time. The geoprocessing calculates geometries using points, polygons, buffers, and cursors. I'm also using sql queries ...
1
vote
0answers
85 views

Automating Point Data Collection [closed]

I'm supposed to go through Google Maps and manually record names and addresses of dentists in Texas for geocoding, by zip codes. This task is going to be immensely tedious and I know that there has ...
0
votes
0answers
23 views

Possible to automate Buffer Wizard in ArcGis 10.x by working in the Shell? [duplicate]

I'm trying to automate the Buffer Wizard since I have several large sets of the data that I need to buffer at multiple distances. Doing it by hand will take a long time and be quite tedious, but I've ...
3
votes
2answers
373 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 ...
2
votes
4answers
149 views

Append operation in ArcGIS

I have 250 road shape files, I have to append all the 250 shape file into one single file. I have used ArcGIS append tool for combine layers (if number of shape files are minimum), but these 250 ...
8
votes
1answer
1k views

How can you tell if ArcCatalog Geoprocessing is still running?

Is there some other way other than the logs to check that ongoing geoprocessing is working correctly? I am running the Buffer tool with dissolve type ALL on ArcCatalog 10.1. I was expecting the the ...
1
vote
1answer
66 views

ArcGIS - Cell Content Deletion

I have a really simple question I can't find the answer to. I'm looking to delete a range of values from an attribute table in ArcGIS 10. I'm looking for a quick way to delete about 3000 records. The ...
2
votes
1answer
48 views

Need to put points on overlapping boundaries

I have two layers: a route (Line) and a county boundary (polygon). I need to intersect them so that the output layer is a point layer. The ArcGIS Intersect tool places a point where the route passes ...
1
vote
0answers
35 views

Remove layers references from geoprocessing tool

When I run my tool it is calling some geoprocessing tools and performing some operations on some layers but when i delete those layers from arcmap then those layers are removed from arcmap but not ...
2
votes
1answer
65 views

Geoprocessing in 3D [closed]

I am looking for some advice regarding suitable software for geoprocessing in three dimensions. Specifically, I need to regularly undertake the following tasks: Intersect a line with a surface and ...