Tagged Questions

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2
votes
1answer
327 views

Combining polygon geometries with python and QGIS segfaults

I am trying to combine polygons, using Qgis 1.8, and every time I run this script in the python console, I get a segmentation fault. Here is the script: from PyQt4.QtCore import * iface = ...
1
vote
1answer
1k 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 ...
0
votes
1answer
585 views

PostGIS error reads “Geometry has Z dimension but column does not” [duplicate]

I try to store a polygon in GeoJSON format into my PostGIS table. Both are using the CRS EPSG:3857. This is how the polygon is defined. Note that I put in some whitespace to make it more readable. { ...
1
vote
0answers
368 views

QGis Grid statistics for polygons error - Module caused access violation!

I'm trying to calculate statistics for a raster layer using an overlaying polygon layer, I'm using SAGA "Grid Statistics for polygons" function, but it returns an error, sadly.. So in the sextante log ...
0
votes
2answers
1k views

Cannot insert simple geometry data

I installed PostgreSQL 9.2.4 and PostGIS 2.0.3 on my Windows 8 machine. Then I created a table using phpPgAdmin and added a geometry column using the following statement. SELECT ...
0
votes
1answer
592 views

How can I avoid UnicodeEncodeError when using geoprocessing tools in QGIS?

I have a shapefile, that I want to split with the "Split Layers by Field"-tool. Due to some umlauts (ä,ü,ö) there will be a python error as soon, as the tool reaches a feature with an umlaut. The ...
0
votes
2answers
513 views

Joining Points and Polygons

I am new at using arcGIS 9.3.1 and am having trouble joining data. I have a shapefile of census tract polygons and a separate file of points that are crimes in Chicago in 2010. The crime points were ...
1
vote
0answers
28 views

Uploading Polyline feature in ArcGIS Online [duplicate]

I'm seeing some snapping/topological errors in ArcGIS Online (trial version) when I upload my well snapped polyline layer. Please see the screen shot below. What may be the cause of this?
2
votes
1answer
295 views

Raster as Attribute Field Error

I'm using Arc 10.1. I am creating a parcel inventory where I would like to have a photo of the property attached as an attribute and view-able with an HTML popup. I have a polygon feature class built ...
1
vote
1answer
323 views

tomcat 5.5.20 on geoserver 2.3

i know it is curious, but i want to run Geoserver 2.3.0 on Tomcat 5.5.20. When i deploy the war file, it deploys successful but i cant start the Geoserver. Message: FAIL - Application at context ...
4
votes
1answer
143 views

Showing snapping error in ArcGIS Online

I am doing some test in ArcGIS online to know how much helpful it is for my firm, But when I opened my road line .Zip shapefile in ArcGIS online it is showing some snapping issues as well as changed ...
2
votes
0answers
35 views

Transfer OpenLayers map from one pc to another [duplicate]

I have a following question, I created a web application - I used geoserver to create an openlayers map. As a sever I was using apache tomcat. If i want to run this server on different machine, what ...
1
vote
0answers
123 views

I can't connect QGIS with postgresql

I can create a connection to the database in qgis and the test connection is successful. However when I actually connect to the database to export shape files I get the following error: the ...
1
vote
0answers
221 views

Error: Objects in this class cannot be edited outside an edit session

I'm simply trying to modify the Default Editing Widget ESRI sample to show my extent and service and am noticing the following error in Firebug when trying to add a point: ...
4
votes
2answers
668 views

ArcPy Report syntax error

I'm working on trying to use arcpy to automate the creation of a report, but I'm running into a problem. >>> ...
0
votes
0answers
13 views

Sextante Modeler Error “global name os is not defined” [duplicate]

I want to generate a model whic reclassify radter values. So i added Saga reclassify grid values tool to Modeler and saved the model. When i run the model i got this error both on Ubuntu OSgeolive 6.0 ...
2
votes
1answer
384 views

Error 999998 in Arcpy 10.1

I found an RuntimeError: ERROR 999998: Unexpected Error when lunching Arcpy in my ArcGis 10.1 such as this: Runtime error Traceback (most recent call last): File "", line 50, in File ...
3
votes
2answers
1k views

What does 'DBMS table not found' message mean?

I have a plain postgressql table (version 8.2). I am trying to connect to it to it from ArcGIS desktop 10.0, and use as a query layer, as given in this document: ...
3
votes
0answers
353 views

Error in uploading data in QGIS cloud

I want to publish my .shp file using QGIS Cloud plugin. I signed in to qgiscloud.com (free). On create new database it will auto create dbname='fbeudp_mfaphk' user='fbeudp_mfaphk' ...
2
votes
2answers
533 views

Add a new field in a already created feature class

I have a feature class. On the basis of some calculation, I want to create a new field in that table and set value of that field. To do so, my algorithm is: void UpdateFeatureClass(IFeatureClass ...
2
votes
2answers
203 views

Python Toolbox Raster Parameter Error

I borrowed a simple script I found online to clip a shapefile from the extent of a raster. It works perfectly from the ArcMap built in python command prompt. I modified is slightly to use in a tool. ...
5
votes
3answers
5k views

Why can't I import arcpy?

>>> import arcpy Traceback (most recent call last): File "<interactive input>", line 1, in <module> File "C:\Python27\lib\arcpy\__init__.py", line 21, in <module> ...
1
vote
2answers
564 views

Problem Reclassifying Rasters

I need to reclassify some vector data which was made from Euclidian distance from points and lines. So after getting the Euclidian distances, I tried to run reclassify, but got: Error 001100 Failed ...
3
votes
1answer
529 views

Python coding question, looping through feature classes, AddField, CalculateField, then errors (might be schema lock)

This is not a SDE question. File GDB. Hi, I have a general question on looping through feature classes in a file geodatabase. I have (attached) a python script that adds a ton of fields and ...
2
votes
0answers
326 views

ArcMap runs custom script once and then it crashes on second run

So I made a script that takes data from an MSSQL database and inserts it into a featureclass. I added the script to a toolbox and am able to run the tool from within ArcMap 10.1. The problem is that ...
0
votes
1answer
37 views

Why is this GRASS script (from GRASS WiKi) causing an error?

I'm trying to run a script from the GRASS WiKi to create a simple map using ps.map. I'm confused because it's generating an error that the output was not set, when it appears to me that it is set at ...
0
votes
2answers
223 views

Error from ps.map in GRASS. How to fix?

I'm trying to learn how to use ps.map in GRASS. I thought that running it in interactive mode from the command line would be a good place to start, but I'm getting the following error: > ps.map ...
2
votes
1answer
524 views

Why won't Tabulate Intersection work?

I can't seem to find much in forums about this - I'm trying to use Tabulate Intersection with two shapefiles. When run in a model, I get a generic error (Error 999999:Error executing function). ...
0
votes
1answer
182 views

ArcCatalog 9.3 (ArcInfo) wont open

ArcMap, ArcScene and everything works fine and opens without problem. But, ArcCatalog cannot open. A window pops up and says- Microsoft Visual C++ Runtime Library. Runtime Error! Program: ...
4
votes
1answer
684 views

What causes ModelBuilder error occurred in script on this page MdDlgContent.htm?

I've been creating a model in Arc 10.0 for a few days now without problems. Then I added the Calculate Field Tool. I selected Make Variable --> From Parameter --> Expression. When I check off "Model ...
1
vote
1answer
283 views

Rpy2 Unable to Load in Fresh QGIS Install

after installing qgis the a message given below is shown Unable to load the plugin: Unable to load required package rpy2. Please ensure that both R, and the corresponding version of Rpy2 are ...
2
votes
1answer
153 views

Setting coordinate systems in QGIS: “transform error caught”

I'm learning how to use QGIS (v 1.8.0 "Lisboa") on Mac OS 10.6.8. My goal is to create a simple county map of Illinois using the base data shapefiles available from the Illinois Natural Resources ...
3
votes
1answer
840 views

Trouble with accesing API code: “ReferenceError: esri is not defined”

I am developing a web map application in the ArcGIS API for Javascript. I two have ArcGISDynamicMapServiceLayer layers that I am trying to run a simple query task on. The code I am using works in ...
2
votes
2answers
465 views

Type mismatch error in Calculate Field tool in ArcGIS 10.1

I'm trying to run a rather lengthy model (built in ArcGIS 9.3.1) in ArcGIS 10.1 and I'm recieving an error on a Calculate Field tool. The error is - Type mismatch: 'iif'. This error is refering to ...
0
votes
1answer
289 views

ET Geowizards: Table Already Exists Log Error

I have a license for ET Geowizards and I keep coming up with an error using various tools. Most recently I have been using the Global Snap Polylines tool. I ran it a few times and then it randomly ...
5
votes
1answer
334 views

Skip errors in model builder

is there a way to handle an error within the arcgis modelbuilder? I have a model which iterates over hundreds of raster files. some of them may be corrupt. i`m looking for a way in which the model ...
2
votes
1answer
512 views

Need help in Python script : Getting an unicode encode error

When I`m running a script (it checks to which database a mxd is connected) I get the following error: return codecs.charmap_encode(input,errors,encoding_table) UnicodeEncodeError: 'charmap' codec ...
0
votes
1answer
1k views

I create getfeatureinfo with popup but it dosn't work (error 404) [duplicate]

This is my code for my page (index.html) info = new OpenLayers.Control.WMSGetFeatureInfo({ url: 'http://localhost:8080/geoserver/wms', title: 'get feature info', ...
1
vote
2answers
695 views

Error adding a delimited text layer in QGIS [closed]

I'm a GIS beginner here. I'm trying to add a delimited text layer in QGIS. The plug-in is okay. I have created a table in Excel, saved as CSV file, imported the file with QGIS, selected the delimiters ...
3
votes
1answer
435 views

How to Create a Version 10 File Geodatabase from an XML from ArcGIS 9.2?

A client has given me an XML document for the schema of an ArcGIS 9.2 Geodatabase. The final goal will be to create a version 10 version of the geodatabase but the client doesn't have version 10 yet. ...
2
votes
0answers
320 views

Multiple ring buffer on point-shape error

I need to calculate multiple ring-buffers, but every time I try, arcgis produces a failure: Executing (Multiple Ring Buffer): MultipleRingBuffer Y:\GIS\RDY\clip\sn_clip.shp ...
4
votes
2answers
3k views

Error 000735: Input Dataset or Feature Class: Value is required

I am a true novice when it comes to ArcGIS and computer programs like this one. Am taking a class and cannot get the Project function to work under the tool box. The path I used was ArcTool box --> ...
6
votes
1answer
809 views

ArcPy script causing python.exe to stop working (memory issue?)

I have a script written in Python that uses ArcPy to create maps of the kernel densities of thousands of datasets. Each dataset is relatively small, but there about 50,000 sets in total. When I run ...
0
votes
0answers
29 views

Polygonize Raster to Vector Error [duplicate]

I have a problem when I am trying to Polygonize (Raster To Vector). I have a Corine map with 44 different land uses. I run a query and I save the selected areas with Bands 0 and 1. Now I am trying to ...
1
vote
0answers
20 views

polyline_GetAzimuth 999999 : Error executing function [duplicate]

Possible Duplicate: Is there a (better) way to debug Visual Basic Code Block in calculate field using ArcGIS? I am graduate ESCI student, and my project involves a lot of ArcGIS use. My ...
2
votes
1answer
911 views

Quantum GIS returns “Invalid Layer” message when trying to add Postgis view

I'm new to Postgis and Quantum GIS. I created a view defined as CREATE OR REPLACE VIEW pupr.vstudentmuni AS SELECT m.id AS munid, m.name AS muname, m.geom, s.code, (s.name::text || ' '::text) ...
1
vote
0answers
347 views

Raster calculator error 000539 - cannot create weak reference to 'classobj' object

I was - like many times before - trying to clip a raster with the raster calculator (raster * 1 with shapefiles as mask). Now - the following error keeps popping up: ERROR 000539: Error running ...
1
vote
2answers
114 views

Error using Grass v.net

I'm trying to connect my network to a points layer with a threshold of 4500 meters. I have about 11000 or so entries in my polyline and about 24 in my points layer. I have alreday used v.distance, ...
4
votes
1answer
921 views

How do I solve a “No PROJ.4 translation” error with gdal?

I've installed gdal using the brew utility on OS X so the proj and geos dependencies were also installed. I'm now trying to warp a GeoTIFF so that I can import it into Google Earth. I am getting a ...
2
votes
2answers
154 views

Problem with SPIT (error while importing layers to POSTGIS)

I was attempting to import a polyline roads layer into postgis, using both SPIT in QGIS 1.7 and postGIS GUI for this purpose. I have received errors through both processes as described here: SPIT ...