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Questions tagged [error]

Notification messages shown when software fails. Try to use tags for more specific error messages whenever possible.

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6
votes
1answer
2k views

Reprojecting LiDAR data with libLAS, error: “latitude or longitude exceeded limits”?

I have a lidar file (file.las) with the following spatial reference: Spatial Reference: PROJCS["NAD83 / UTM zone 11N", GEOGCS["NAD83", DATUM["North_American_Datum_1983", ...
5
votes
1answer
717 views

Error using grass v.clean: “ 'utf-8' codec can't decode byte… ”

I try running the v.clean tool using QGIS 3.4. As input I use a vector line layer (I checked the validity and everything is fine), but running the algorithm I get the following error: Traceback (most ...
5
votes
1answer
1k views

Qgis polygonize problem - DLL load fail

I have a raster file and I want to perform the method "polygonize". Then the problem occurs, that is shown on the screenshot. It doesn t have anything to do with the rasterfile format, I veryfied. ...
7
votes
2answers
11k 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: http://help.arcgis.com/en/...
2
votes
1answer
1k views

Error: Algorithm not found

I wrote the following code to start using QGIS APIs. in a very short script seen below, the "Error: Algorithm not found" is thrown and "print processing.alglist()" is showing none. Any idea why this ...
9
votes
3answers
6k views

Python error with OpenLayers plugin QGIS 2

I've been using QGIS for a while but since using QGIS 2 the OpenLayers plugin doesn't work for me on my home PC. However, I have installed the same version at my workplace with success. I have looked ...
4
votes
2answers
2k views

GDAL_CALC works but I get a python error at the end of each process that prevents automation

Python 3.4.1, GDAL 1.11.0, OSGEO4W, Windows 7, OSGEO4W Windows Shell All 64-bit (ArcGIS is installed as well 10.2 with Python 2.7) So gdal_translate works fine. gdal_calc provides perfect ...
9
votes
2answers
5k views

Trying to use “Difference” tool gives out “'QgsWKBTypes' is not defined” error

I am trying to separate two overlapping vector layers and find out the difference in QGIS 2.18. I have tried finding difference with layers with points and also with buffers. Both of them give ...
7
votes
2answers
9k views

Error message: qgis_core.dll missing

I have a fresh install of QGIS 2.4. When trying to open a .shp file I get the error message below. I've followed their advice and have done several re-installs and also cleared all qgis files from my ...
1
vote
2answers
6k views

“Missing dependency. This algorithm cannot be run” with QGIS + GRASS in Windows 7? [duplicate]

Windows 7, OsGeo4W pack installed including QGIS 2.4.0 and GRASS. In QGIS when I try to execute a GRASS geoprocessing algorithm I get this popup: Missing dependency. This algorithm cannot be run :-...
3
votes
1answer
2k views

GDAL not available in MODIS R package?

I am trying to analyze the MODIS EVI 250m, 16day dataset. I found the R MODIS package and am following the instructions here: https://conservationecology.wordpress.com/2014/08/11/bulk-downloading-and-...
4
votes
1answer
10k views

The following layers were not correctly generated. Grid

I keep getting the same error: The following layers were not correctly generated.GridYou can check the log messages to find more information about the execution of the algorithm I saw two ...
4
votes
2answers
5k views

How to reinstall QGIS from scratch on Ubuntu?

System info: Ubuntu 16.04.3 LTS, kernel 4.10.0-33-generic I was trying to update QGIS using these steps. For some reason, it broke in the process and I'm not able to start it anymore. Executing qgis ...
3
votes
2answers
644 views

Plugin crashes QGIS 2.18 if running simuntaneously with python console

I'm currently developing plugin for QGIS 2.18. From the begining I'm having the same issue. QGIS 2.18 crashes if I run python console while plugin is working something. I saw that print statements ...
3
votes
1answer
3k 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 ...
5
votes
1answer
2k views

Assigning CRS to Lat/Lon in R giving error: “Geographical CRS given to non-conformant data”

I have a list of suburbs in Queensland, Australia along with their lat/longs. However, when I try to read in the file in R and assign a CRS, R is giving the following error message: Error in ...
3
votes
2answers
305 views

Error when clipping raster in QGIS: “'ascii' codec can't encode character”?

I have done it many times (clipping a raster with a polygon layer or by extension) but today I got an error for the first time and I don't know how to solve it. I am always using the same type of ...
2
votes
1answer
490 views

QGIS 2.2 rendering problems

i have a problem with some geometry. When i run the check geometry validity i get an error coming back that the rings are not closed, so recangular forms that i have surveyed are showing up as ...
2
votes
0answers
5k views

qgis-bin.exe stopped working [closed]

Same problems after uninstalling and reinstalling 2.18.3... Have the crash report, but can't see that I can post it here so anyone can see some answers in it... Some more information about my ...
2
votes
1answer
1k views

Why does my PostGIS query fail with “current transaction is aborted”

I'm trying to create a vector layer in a QGIS project using a PostGIS query. QGIS is returning the following error: Query failed 1 cursor states lost. SQL: CLOSE qgisf1 Result: 7 (ERROR: ...
2
votes
3answers
4k views

Logging ArcPy error messages?

I am trying to write any error messages that arise in my script and record it in a text file. When I check my errorLog, the error messages are not recorded. Below is my code: Note the parameter '...
2
votes
2answers
841 views

How do I fix an error starting QGIS 1.8.0 on Windows XP?

I note that the installation of qgis completed successfully. However, the log procedure returns this message: "...... Estrazione: wvhpgn.gsb Estrazione: wyhpgn.gsb Cartella di destinazione: C:\...
1
vote
1answer
17k views

''More than one row returned by a subquery used as an expression'' postgres error

I am trying to realize a postgres request : select distinct nom_reg_12 from region_15,repartition where st_intersects(region_15.geom, (select geom from ...
1
vote
1answer
4k 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
2answers
6k views

Import error:No module named _gdal

I have installed python 2.5.1 and FWTools2.4.7 in my laptop(Windows 7) when i run my pythonscript in FWTools i get following error Import error:No module named _gdal can any one suggest how to solve ...
1
vote
1answer
149 views

ST_DWithin query throwing 42601 error?

I am trying to get from a particular point more informations about the surroundings (which are also points). So I wrote this: SELECT * FROM osm_point WHERE ST_DWithin(way,(ST_SetSRID(...
1
vote
2answers
3k views

RuntimeError while executing python

After downloading Matplotlib to use the Statist Pugin An error has occured while executing Python code: RuntimeError: module compiled against API version 9 but this version of numpy is 6 Python ...
1
vote
1answer
114 views

QGIS 3 startup script is not executed

Following the documentation for QGIS 3 startup script, I have placed a 'startup.py' script in the following path: C:\Users\Me\AppData\Roaming\QGIS\QGIS3\profiles\default\python\startup.py But the ...
1
vote
2answers
379 views

Problems with plugin/installer manager in QGIS 2.6.1 Debian

An error has occured while executing Python code: Traceback (most recent call last): File "/usr/share/qgis/python/pyplugin_installer/installer_data.py", line 460, in xmlDownloaded if ...
-5
votes
1answer
2k views

Handling ArcPy locks in Python script?

i am writing script which uses different Tools of arcgis and implementing different functionalities .. My script consists in different Functions running in an order. Each function is connected to each ...
5
votes
2answers
6k views

How to perform volume calculation in QGIS

EDIT 07/12/12 Ok, meanwhile I came to another problem I want to discuss. I just tried around with the volume calculation with some layers and came to a point where I receive the following error. ...
3
votes
0answers
1k 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' password='68456287'...
4
votes
1answer
3k views

QGIS 2.0 Plugin error: Unable to load GdalTools plugin?

I just used the osgeo4w exe to install QGIS and all the other software included in the basic setup. When I open QGIS, I get the following error: Plugin error Unable to load GdalTools plugin. The ...
3
votes
1answer
4k views

XYZ Layer in OpenLayers has missing tiles

In OpenLayers I'm having a missing tile problem where it generates a missing link icon and a pink background. I found several threads including this one saying to add this code OpenLayers.Util....
5
votes
1answer
25k views

Installing python xlw and xlrd libraries for QGIS on Mac OSX with Python 2.6

I am trying to use the XYtools plugin for QGIS (because copy-paste is not working with just one of my files?!), and I'm concerned that I actually just need to update my Python but not sure if doing so ...
4
votes
1answer
1k views

Failed to open Python console error message

In the past, I was able to open my Python console without any problems on QGIS. However, just recently, I tried to open the Python console on QGIS 2.18.2 (Las Palmas) on my mac, but I get this error ...
3
votes
4answers
3k views

Error Installing GDAL python package on a MAC

I'm trying to install the [GDAL python package][1] on a Mac (OSX Yosemite) with python 2.7.9 and GDAL 1.11.3. When I try $ sudo easy_install GDAL I get a number of errors ending with: error: Setup ...
3
votes
1answer
2k views

Error message received when clipping raster

QGIS 2.10.1 Pisa Message -> Error: Computed -srcwin 8208 142185 0 0 has negative width and/or height. Tried with several different files and types of raster files [GeoTIFF, MrSis, ECW], the same ...
2
votes
3answers
2k views

Using LAStools in QGIS gives “global name 'os' is not defined”?

I have a problem with LAStools in QGIS 2.6.1. I have never used QGIS to process LiDAR data before. I downloaded LAStools yesterday from the rapidlasso GmbH website. I unzipped the “lastools.zip” ...
0
votes
1answer
263 views

PDAL Reader.las and Writer.las warning: 'found invalid value of '0' for point's return number'

I am trying to read and write LAS (*.las) file using PDAL but getting the following warning messages by PDAL's LAS reader and writer for ASPRS LAS files. (pdal pipeline readers.las Warning) C:/...
6
votes
1answer
473 views

PostGIS ERROR: BOOM! Could not generate outside point!

This may be a continuation of a closed thread. I want to sum the areas of polygons over categories in a large data set (avian species ranges), like this: select sciname, sum(ST_Area(the_geom::...
6
votes
1answer
2k views

Ripley's K function in QGIS Chugiak 2.4

I need to apply the Ripley's K-function on a point pattern in QGIS 2.4 Chugiak, but I don't know how to do. I think I need to use some plugin or extension (maybe GRASS, R or something), but I haven't ...
6
votes
1answer
2k views

R giving error when attempting map algebra

I'm trying to manipulate some downloaded rasters using R, and keep getting the same error when I try to do any type of map algebra. The example below uses a raster file downloaded from http://www.csc....
5
votes
2answers
4k views

How to solve “Cannot create topology” in ArcCatalog?

I have a FileGeodatabase in ArcGIS 10.0 with a feature dataset and five feature classes (3 polygon shapes, 1 line shape, 1 point shape). I'm trying to create a topology to verify some vectors. ...
4
votes
3answers
15k views

Saving selection as new shapefile using QGIS gives OGR error?

I have an issue saving a set of polygons as a new layer that I've selected using the polygon select tool in QGIS. After selecting the polygons in the main (source) layer, I've tried two ways: I ...
4
votes
2answers
2k views

How to install the QField Sync plugin?

I am having trouble installing the QField Sync plugin to work with the great QField android app. and would like assistance doing so. The steps I have followed thus far are reproduced below. (Using ...
3
votes
0answers
2k views

Importing kml google earth polygons to QGIS

I've created some polygons in google earth, saved it to kml and then I loaded these files into QGIS. The problem seems to be the projection, these polygons are slightly out of the place. I've tried ...
3
votes
2answers
4k views

Why do I get “Error: Failure during raster IO” when extracting values from my raster stack?

In R I create a raster stack using the following code #load rasters in a file list and store it to a variable env_data<- list.files(path="C:/R_Data/WORK/env_stack", pattern='tif$', full....
3
votes
1answer
9k views

QGIS polygonize error 4 “file does not exist in the file system”?

When I try to convert a raster DEM (in .asc or geotiff format) to polygons I get the error below: ERROR 4: `Y:/GIS/oversvmmelser/tmp/out.tif' does not exist in the file system, and is not ...
3
votes
1answer
2k views

JSON URL won't open in QGIS

When attempting to display the national chargepoint registry from the following URL: http://chargepoints.dft.gov.uk/api/retrieve/registry/format/json The following error returns: http://...