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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246 views

Flex Geoprocessing Widget output parameter invalid

I want to publish a ArcToolbox with a script on a Flex application as a widget. I have ArcGIS server from which I will publish it as a geoprocessing service. The tool has an input parameter which is a ...
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0answers
31 views

Buffer aggregation method in OpenCarto library

What is the use case of this function? Can it be used to aggregate building polygons as well?
2
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1answer
263 views

Directing output to a mirrored file tree. ArcGIS, Python

I am attempting to modify the Batch Project script to: a) read from a text file of file names located on our server b) build a mirror of the paths to those files on my local machine c) output to my ...
7
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3answers
5k views

What ArcGIS 10 geoprocessing tools support exporting tabular data to CSV?

I have found that most if not all geoprocessing tools that allow tabular output are limited to geodatabase tables and DBF files for supported output formats. Are there any that also support CSV ...
6
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1answer
976 views

Grouping map points into fixed cluster sizes

I have a dataset of 655 lat/long pairs which I'd like to split into about 100 groups. A group should have 5-10 pairs which are geographically close to each other. Dense groups should have more ...
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0answers
223 views

Looking for .NET Heat Map API / SDK

I have a requirement to add a 'heat map' style layer to a Javascript/jQuery based application that I am working on. So far, I have used heatmap.js with no problems at all. My only concern with this ...
3
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2answers
768 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 = ...
9
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3answers
3k views

Divide a complex shape file into a grid

I have a decently detailed shapefile with polygon/multipolygon features (the file is about 500mb). It's actually a shapefile of the entire world, with the features representing coastlines. I need to ...
4
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1answer
419 views

Hosting geoprocessing tool on geoserver

Like ArcGIS Server, is there a way to host, geoprocessing tools onto Geoserver?
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3answers
117 views

How to choose first letters of words in an attribute table?

I want to write a script (Python or VB) in Field Calculator which can pick up or choose the fist letters of words and put them in a new field. For example: Lepidium catapycnon..........> Lc Gold ...
1
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1answer
173 views

Is there any open-source building squaring tool?

I have a set of detached building polygons and i can merge them together in order to form a single building polygon. However, when merged output polygon may not preserve the orthogonality of building ...
5
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4answers
847 views

How to aggregate detached polygons?

Is there any open-source library to aggregate detached polygons? I know that there is a tool in ArcInfo, but it is commercial.
2
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1answer
658 views

Why does aggregate polygons consistently error out?

I'm using aggregate polygons on a dataset with three large study areas. It did not work. So I split it into separate areas and did it again. Two of the three areas (which were smaller than the third) ...
5
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3answers
1k views

Using arcpy what is the most efficient way of projecting a selection from a large data set?

I have a large data set X(x1-xn) from which I must select consecutively the attributes A(a1-an) from X.fieldsSRC or X.fieldDST and project the selections. I have a functioning arcpy script that does ...
2
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1answer
140 views

Is there an arcpy boolean check for whether an EPSG or prj is supported by arcmap?

I'm writing a tool and essentially I found out that arcmap defaults an epsg to 0 if it sees that the projection is not supported against the predefined projections.
3
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1answer
286 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 ...
4
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1answer
2k views

How to get point attribute from polygon layer?

I have two layer, one (A) has point features and the other (B) has polygons. I need to produce a new table with some (the ID) or all the fields from the A table and some (the area code) or all from ...
2
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2answers
1k views

Modelbuilder: Needing to input multiple featureclasses into merge tool

So I have 490 point fc's in a single directory with uniform spatial features, field names/datatypes. I'm trying to figure out how to consecutively input the first seven fc's into the merge tool, ...
4
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1answer
239 views

Regression with Nominal and Categorical Data

I am doing a project looking at the prevalence of a weeds in an area. As an example, I have the following layers: Weeds Layer (polygons) {categorical data} Each polygon represents a point or polygon ...
5
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1answer
2k views

How to intersect lines and polygons in R?

Following on from an answer about intersecting polygons with lines to chop up a polygon into smaller polygon units (in QGIS), I wanted to try the same thing in R. However, I cannot seem to find a ...
1
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1answer
235 views

Error 000204 using “Export Feature Attribute to ASCII” Tool on ArcGIS Server 10

I´m trying to export feature attributes to a CSV-File (on ArcGIS Server) to use them in other applications (using the "Export Feature Attribute to ASCII" Tool). While the tool is working ok in a ...
2
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2answers
561 views

Zoom to Selected feature, without using 'current' in python

I am wondering if it is possible to build a zoom to geoprocessing service without using 'current' for the mxd variable in pyhton. Using 'current' my tool works in arcmap, but not in my gp service. ...
1
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1answer
138 views

ArcObjects 9.2: TableToTable tool fails depending on output location

The code I am writing for a button (ArcObjects 9.2, Visual Studio 2005) takes the attributes for selected points in a shapefile and writes them to a table: Dim pGp As GeoProcessor = New GeoProcessor ...
0
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2answers
158 views

Closest Facility/Delete Identical Tool Help

I am having a bit of a time figuring out a work around for a problem I have. Essentially, I ran a Closest Facility operation on a set of about 200 points. Each point is an entrance to a building, and ...
3
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1answer
315 views

ArcGIS Server 10 GP Service Cannot Download Result?

I have implement the ArcGIS JavaScript example just like the ESRI official example (clip and ship) .Everything was going right except the final step ,when the gp job have finish and my browser lead me ...
1
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1answer
526 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 ...
5
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5answers
4k views

Open Source Address Correction / Parser with Fuzzy Matching

Here is a a little bit of a detailed question related to address parsing/geocoding which I feel should be interesting to many users. So, essentially I am curious to know if anyone has had any ...
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2answers
870 views

How do I get statistics out of a table using Python in Arc 10?

I am very new to programming (I started learning this semester) and would very much appreciate helop with one piece of a project. I have the following table, and I need to write a script compatible ...
3
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1answer
187 views

Efficiently classify raster with irregular polygons

I have a project on my desk to classify an elevation model using different elevation breaks for each polygon in the area of interest. In pseudo code: FOR each polygon IN layer: CREATE_MASK FROM ...
4
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1answer
2k views

ArcGIS License - ArcInfo level license set during python script execution vs via Desktop Administrator

We have an ArcInfo floating license available. Can I check out an ArcInfo level license via arcpy. Here, from the arcgis help, it says you can import a license level for stand-alone scripts. If a ...
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 ...
2
votes
1answer
360 views

Passing reclassification values to the Reclassify tool in Model Builder in ArcGIS 10

There is a set of point features that fall within polygon features, and I want these polygon features (after converting them to raster) reclassified based on how many point features fall in them. If ...
0
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1answer
223 views

One large polygon or many little ones. What is better regarding performance?

I´m designing a geoprocessing service on ArcGIS Server using several nationwide datasets. Currently I´m preparing some of the datasets and I´m wondering if I should dissolve my polygon layers ...
0
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1answer
160 views

Progress bar percentage is increasing and decreasing, never finishing

I am trying to clip a raster by shapefile perimeter using the Clip tool. The percentage has been jumping between 0% and 100% for over an hour, back and forth, climbing to 100% then dropping down to ...
0
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1answer
552 views

Does CopyFeatures from in_memory via Python script tool cause General function failure for you?

The Python code below looks pretty straightforward. import arcpy if arcpy.Exists("D:/temp/test.gdb"): arcpy.Delete_management("D:/temp/test.gdb") if arcpy.Exists("in_memory"): ...
7
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1answer
2k views

Explode MULTILINESTRING into individual segments in PostGIS 1.5

I have a MULTILINESTRING in PostGIS consisting of several LINESTRING's. Consider each LINESTRING to have a set of POINT's P1, P2, ... PN forming the line segments L1, L2, ... LN-1 where ...
0
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0answers
654 views

How to remove small polygons in ArcGIS 10 using extension by Gonza2?

Does anybody have experience and success working with the Remove small polygons from a feature class script tool by Gonza2 in ArcGIS 10? The extension works perfectly in previous version of ArcGIS ...
0
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1answer
318 views

How to update raster or feature layers being used by ArcGIS Server by a Model

I have a mxd file that contains a few raster and feature layers that was published by ArcGIS Server as a map service. Meanwhile, a model was created to update the contents of the raster and feature ...
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0answers
478 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 ...
21
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9answers
2k views

How to easily shift all features in a vector dataset?

Let's say that I put together a Shapefile and all the features have their vertices shifted by a constant amount. What's the easiest way of shifting all the features (hence the (x,y) position of their ...
3
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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 ...
2
votes
2answers
412 views

Tables in ArcMap 10.0 - are they layers or tableviews

Is a table in ArcMap a layer or a tableview. I want to be able to feed a table into an UpdateCursor via a toolbox script. If my table has a definition query on it how do I check for that with ...
3
votes
2answers
959 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 ...
5
votes
3answers
509 views

How not to Copy Features when too many would be output?

This question has already been posed to the ArcGIS Geoprocessing forum but I have had no responses there. I have a 3.5 million polygon layer (cadastre) stored in Oracle via ArcSDE. I use a polygon ...
6
votes
1answer
732 views

Can Spatial Joins be used to perform One-to-Many Closest joins?

My situation appears rather simple, but it has given me headaches more than once already. I have a set of points and a set of polylines. I would like to use a spatial join to join the attributes of ...
5
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1answer
397 views

How to divide a polyline by intersecting isochrones

I have two shapefiles, the first representing a path (a polyline with a single category), the second representing isochrons from the same origin (point 0) which intersect the above mentioned path. I ...
0
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1answer
2k views

How to resolve an Invalid Topology [Incomplete void poly] error from a geoprocessing service?

I am consuming a geoprocessing service from my Flex application. My geoprocessing service takes the input geometry, and intersects another layer. It then runs a Summery stats on the intersection ...
3
votes
1answer
662 views

Geocoding failure on concurrent requests with arcgis-10.0

I've created a small python synchronous geoprocessing script (ctagc) that runs on AGS. The script accepts a table (GPRecordSet) as an input parameter. The script then calls ...
20
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4answers
3k views

Is there any model builder in QGIS or other open source GIS?

Like the ModelBuilder of ArcGIS for Desktop to run simultaneous geoprocessing tools, is there any model builder available in QGIS or any other open source GIS software?
2
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2answers
3k views

Can two polygon layers be merged in QGIS on a common id?

Can two polygon layers be merged in QGIS on the basis of a common id? Update: Ok , the dissolve tool works fine. But for instance lets say I have 10 polygons. 8 of them are together , so when ...