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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971 views

How to split features?

I would like to split a shapefile in qgis according to how the polygons overlaps. Don't know how to though? See pic for explanation:
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1answer
1k views

GDAL bindings problem with ArcMap 10.1 Python tool

I'm really getting mad with this. ArcGIS sometimes can be so just...irritating! Forgive me if this question is by any means duplicating this one or similar ones, but I really can't find my way out of ...
3
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0answers
508 views

Batch Converting ASCII into Feature Classes using shapefile lists [closed]

Problem. I have 413 ASCII files totalling 4 billion points, and my system cannot handle converting them to MULTIPOINT so that I can generate Terrains. Therefore I would like to create 12+ subsets of ...
2
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2answers
162 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 ...
2
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1answer
896 views

Schema Lock issue when using ITable.AddField via ArcObjects

During a process I am running, I sometimes need to create a field that is missing in an attribute table. Unfortunately, the program is complaining that the table I am adding the field to has a schema ...
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0answers
573 views

Large point to Polygon by buffer-join-buffer-dissolve issues

I have a few large datasets (about 10 million points) which I am buffering, then joining, dowgrading and finally buffering and dissolving. This is all in a model which works fine with sample smaller ...
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3answers
755 views

Automating capture of Extent from multiple mxds with multiple dataframes

I want to create a single shape file from multiple mxd's that have multiple frame sets with different extents in them. I have found/started a script to do this (attached) but can't figure out how to ...
8
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0answers
376 views

Using a different Python IDE/debugger for ArcGIS [duplicate]

Possible Duplicate: How can I effectively debug arcpy Python scripts? I prefer to use PyScripter over IDLE as my IDE/debugger for writing GP scripts in Python. In ArcGIS, however, when I ...
6
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2answers
828 views

Binding Objects to List for ArcGIS Python Script Tool Parameter?

I am working on a python based script/tool. I would like to make use of drop down lists for several of the parameters. This is very easy to do if the lists are just plain old strings. Does anyone ...
6
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1answer
746 views

Is there a way to get the percentage of different landuse types upstream of a given point?

I'm a fairly novice GIS user and know just enough to get in trouble in a lot of cases. I am trying to look at the connection between several measured parameters at a few hundred stations along ...
5
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1answer
397 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
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3answers
6k views

arcpy.MakeFeatureLayer in-memory layer still exists when subsequent step fails during testing

When I used arcgisscripting to create in-memory output layer with gp.makefeaturelayer, I would put it in a try/except block and delete the gp object in the except piece when the makefeaturelayer would ...
4
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1answer
1k views

How do I fill gaps in a raster to zero value cells?

I am trying to add some forest elevations to a DEM using ArcView. I have converted a polygon feature class of a forest into a raster with the same resolution as my DEM. Then I reclassed the forest ...
4
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1answer
904 views

How to declare ArcSDE workspace for Geoprocessing tool in ArcGIS 10.1 using ArcObjects and c#?

What is the proper way to declare an ArcSDE workspace for Geoprocessing tools in c# .net? I am using ArcGIS 10.1 SDE (MS SQL) on SQL Server 2008. I want to write code so that every night the server ...
4
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1answer
2k views

Performing Geoprocessing SQL Queries in QGIS from a PostGIS Database

This may be a dumb question, but is there way to run a PostGIS geoprocessing SQL query in QGIS? Specifically, I am thinking of running SQLs such as ST_Union, ST_Split etc etc. I have tried the ...
4
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3answers
834 views

ArcServer 10.1 - Publishing C# Executable as a Geoprocessing Service

I am trying to publish an arcobjects C# executable as a gpservice. We did this in 10.0 by adding it to a toolbox and hitting publish. Using ArcCatalog in 10.1 you must first run the script before you ...
4
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1answer
4k views

How to use ET GeoWizard tools or Xtools Pro in ModelBuilder or Python to automate processing?

Is it possible to use ET GeoWizard or XTools Pro tools in automation of mapping in either in ModelBuilder or Python?
3
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2answers
419 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 ...
3
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2answers
417 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
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1answer
325 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", ...
3
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2answers
859 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 ...
3
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1answer
1k views

Clipping MrSID files in ArcGIS Desktop?

Does anyone have experience subsetting/clipping a large NAIP imagery file in MrSID format? Some of the NAIP files we have are by county and they have really large file sizes. The files are from the ...
3
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1answer
698 views

Convert feature class to raster based on attribute field values

As part of a tool, I’m trying to convert a feature class to a raster based on attribute field values. I have accomplished this conversion using IRasterConvertHelper, but this is done without ...
2
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2answers
495 views

How to remove geoprocessing history in ArcGIS 10.2.2 for Desktop?

I have grown dependent upon the awesome add-in called Clear Geoprocessing History. It does not appear to work with my upgrade to 10.2.2 Does someone know of a different route? Or perhaps how to ...
2
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1answer
416 views

create polygons and fishnets of specific size and orientation and buffers

I want to study 6 areas in the field and in order to do so I want to divide each one of them into smaller areas/parts. What I would like to do is find an average square or rectangle area surface ...
2
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2answers
198 views

Set a split policy/rule on a field without domain in ArcMap

Can you define a split policy or split rule on a field without a domain? When a domain is involved, you can set the default value of the field and chose a rule for when a feature is split or merged. ...
2
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2answers
64 views

ArcPy Empty Buffers

I have written an ArcPy script to process a DTM into a point feature class to be used in Landform classification and ranking. It successfully produces what I need most of the time. Randomly the ...
2
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2answers
1k 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 ...
2
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1answer
238 views

Clipping buffers to census tracts

I have donut buffers generated to protect anonymity of household locations. They need to be clipped so that they are only inside the census tract that the original point was in. The code takes about 8 ...
2
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2answers
1k views

R Raster package: write NetCDF with time dimension

I am writing a rasterbrick with multiple layers to a netcdf file using the raster package in R: writeRaster(gridfile, "Data", "CDF", overwrite=TRUE, ...
2
votes
1answer
184 views

How to convert a String variable to a Raster datatype using Calculate Value

I have a GP service I would like to consume in a Flex application, but one of the input data types can be a raster. ArcGIS Server does not support a raster data type as an input parameter, but ...
2
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2answers
768 views

Problems Integrating Sub-Model into Master Model

I am attempting to integrate a iterative model into a master model to merge all of the outputs of the iterative model into one feature class. However, when I attempt to set the output of the sub-model ...
2
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2answers
528 views

Creating a GP script to update a table in SDE

I need to create a geoprocessing script to update a table on an SDE server, with some text input from the user. I thougth what I needed to do was create a toolbox with a python script associated with ...
2
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0answers
161 views

ArcGIS Can't get ResultImageLayer

I am unable to get a ResultImageLayer. I can get a GPFeatureRecordSetLayer using ResultData and add the feature geometries individually. I am using ArcServer 10.1 so it is not a pre-release problem. ...
2
votes
1answer
1k views

Running Model within ArcMap using VBA?

I would like to Run/execute a model within ArcMap 9.3.1 vba. I can run it in vba by exporting out the VBS script and importing it into vba, however I'm wondering if there is an easier way to just call ...
1
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1answer
61 views

How to split polygon features using an overlaid polygon layer in QGIS?

I have a polygon layer (pictured below) that I made by vectorizing a clip from the USDA Cropland Data Layer. The low resolution of the USDA layer causes fields that are separated by narrow roads to ...
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2answers
64 views

Adding shapefile names in message to progress window/dialog of ArcGIS for Desktop from ArcPy?

How do you use python in a ArcGIS 10.3 script to list/print the shapefiles with a message from the result of a geoprocessing tool in the progress window/dialog box. For example; abc.shp 1234.shp ...
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1answer
54 views

How to erase polygon from another in QGIS

I want to erase the pink polygon from the blue polygon. I've tried clip, difference, and symmetrical difference. Clip produces an empty polygon. Difference produces just another blue polygon.
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1answer
111 views

Copy Features tool run after Make XY Event Layer on CSV file fails to complete?

Using the Make XY Event Layer tool I converted a table to a layer. I am trying to convert the newly created layer to a feature class in my file geodatabase. I have been able to do this in ...
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1answer
58 views

add coordinates system into arcgis10

I must process an Excel file data but the format of my longitude and latitude coordinate are: Lat: -22 to -34 and Long: 9 to 18 in decimal degree. So i want to use Add XY tool into Arcgis10 to put ...
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1answer
747 views

Creating Buffer from field in Attribute table

I have a shapefile in ArcMap with about 30 polygons and want create an inside buffer, using a different value for the distance of each buffer on each polygon. I was wondering if there was a way to use ...
1
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1answer
489 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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1answer
316 views

How to set tolerance value of Geoprocessing tool in QGIS?

Is it possible to set tolerance value of geoprocessing tool on QGIS. History is below. There are two polygon which have to be the same position. so, I set topological rule "A must covered by B" on ...
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1answer
1k views

Input of in-memory geometry object to Dissolve tool in ArcPy script throws Error 000732?

In an arcpy script, I run a Union on a list of geometry objects. The output is set to an empty geometry object. The Union runs fine. What I am trying to do is then feed that output into the ...
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2answers
483 views

Cannot get arcpy.MosiacToNewRaster to work with list

Below I have a snippet of a much larger code that I cannot get to work and I am not sure why. It seems that I always have trouble using arcpy functions with rasters. Can anyone help me get this code ...
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1answer
617 views

Specifying which ArcSDE feature class Geoprocessing Service is to update?

I want to have a geoprocessing service update sde. I am getting an I/O Error saying data doesn't exist. I imagine because the connection file (copied from my ArcCatalog folder) I placed next to the ...
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0answers
340 views

Example of RasterData class in ArcGIS for Flex

How would I use the RasterData class in com.esri.tasks.supportClasses for ArcGIS API for Flex? I haven't found any documentation for it outside the API and that doesn't give much info either. Could I ...
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1answer
475 views

Passing GPString value via Flex

In this example from the ArcGIS for Flex samples page: Clip and Ship I am curious how from this function how the label property of each check box that is passed as input for the Layers_to_Clip ...
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3answers
396 views

Repository of ArcView 3.x Avenue commands/methods/general information?

The time has come for my great ArcGIS 10 skills to be put to the test... but we don't have readily available licenses for a lot of functionality that is exposed through ArcView 3.x's Avenue scripts. ...
0
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1answer
98 views

Field Mapping in ArcPy gives Error in adding input field to field map?

I have a process in which I am joining a DBF table to multiple shapefiles to create a new output of some selected fields which result from the join. I am new to fieldMapping and need help figuring out ...