QGIS is a cross-platform GIS application licensed under the GNU General Public License.

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-1
votes
2answers
50 views

Applying SLD file exported from QGIS in GeoServer - why is color not applied?

I was trying to put style of color classification that was created in QGIS. It works in Geoserver but the colors are not shown. It is always single color. I have read that this is often a problem with ...
3
votes
1answer
95 views
+50

How to use Qt3 Support widgets in QGIS plugin?

Similar to this post: My plugins crashes with “No module named qgsprojectionselectionwidget” in Windows. Except I would like to also use Qt3 Support widgets (in particular, a Q3ButtonGroup). However, ...
3
votes
1answer
54 views

Google Maps / StreetView coverage layer in QGIS

I've come across a useful method for adding Google layers as a raster in QGIS: High resolution, printable alternative to OpenLayers plugin for QGIS? Does anyone know what the serverUrl is for the ...
1
vote
0answers
33 views

Overlapping despite topological editing

I am digitizing polygons from an ortophoto. In the snapping options, I enabled 'topological editing' and 'avoid intersection' of the polygon layer. I digitized some not-adjacent areas and then made a ...
1
vote
2answers
155 views

get lat/lon values of every start and end point of polyline

I have a polyline shapefile with 166 different line features. How would one populate the attribute table with x and y values of the start and end points of each line?
2
votes
0answers
36 views

Filling gaps automatically in QGIS?

Can I close the gap between these two polygons automatically, without using editing tools? Is there a plug in to do this?
0
votes
0answers
16 views

Explaining what number (highlighted location) represents in watershed basin?

Can anybody explain whats this number(highlighted location) represents in watershed basin?
3
votes
1answer
58 views

QGIS Symbol Categorisation

layer = iface.activeLayer() # get unique values for 'severity' field fni = layer.fieldNameIndex('severity') unique_vals = layer.dataProvider().uniqueValues(fni) # define categories to use in ...
1
vote
0answers
17 views

building qgis on windows, cmake error

I am trying to build the newest qgis project on windows 7 in my 32 bit machine. I followed the official instructions and during the cmake configure I get the following error. CMake Error at C:/...
1
vote
0answers
38 views

How do I get imported KML circles to appear as circles rather than ellipses in QGIS?

I have a QGIS project, CRS is WGS84 (EPSG 4326). I have OpenStreetMap as the base layer. I have loaded some point features. I have created a buffer zone around some of these features with WGS84 as ...
0
votes
0answers
32 views

QGIS Custom Query Plugin

I am very new to QGIS plugin development. Is it possible to create a custom form (Field will be fixed and User can select only operator and enter value for field) to do custom attribute expression ...
-4
votes
0answers
20 views

Qgis open street layer google street layer not open [duplicate]

When the google map street layer plugin starts I see the error in the image below. How can I make this plugin work?
0
votes
0answers
10 views

QGIS Openlayers PI stopped loading Google Satellite today? [duplicate]

The QGIS Openlayers plugin returns the message: "This page was unable to display a Google Maps element. Please contact the site administrator. If you are the administrator of this site, please ...
0
votes
0answers
28 views

QGIS Server : Premature end of script headers: qgis_mapserv.fcgi.exe

I've installed QGis Server on my computer (Windows 8/64Bits). I didn't get any error while installing it. But when i try to get an XML response from my server using : 127.0.0.1/qgis/qgis_mapserv....
0
votes
0answers
30 views

QGIS persistent connection to MS Access tables/queries

I am new to QGIS and currently on a steep learning curve. I need to access tables/queries in an MS Access database and have managed to do so via the eVis plugin. The problem I have is the fact that ...
0
votes
0answers
14 views

Using QGIS like ArcPad to average coordinates from GPS reading for point feature?

I have been able to sync my SXBlue GPS receiver to my tablet with QGIS via the GPS Information Window / bluetooth. I can view our coordinates, PDOP, etc and want to create a point shapefile that ...
1
vote
1answer
32 views

Fixing python error in QGIS Freehand raster georeferencer plugin?

I am using QGIS 2.8.9 stable release in the 32bit form on a Windows 7 64 bit compatible PC. I want to use the Freehand raster georeferencer plugin. It installs without difficulty but when I try to ...
2
votes
1answer
39 views

Why the table fields imported from a .csv file have a length of zero?

I've imported a .csv file (with relative .csvt) in QGIS 2.8.4 adding a delimited text layer... the table was correctly been imported but the table fields have a length of zero... the fields types ...
1
vote
0answers
12 views

How to import USGS SDTS ddf file into Qgis

I have downloaded SDTS dem files from the USGS. These extract from tar.gz files as ddf files. I have tried importing these files into Qgis using "add raster layer and choosing .ddf or .DDF from the ...
1
vote
2answers
37 views

Import Shape File Then Export Coordinates

I have received some shape files which I believe are from ArcGIS. Each "file" consists of a number of physical files, e.g. kv_27.dbf kv_27.shp kv_27.shp.xml kv_27.shx I need to extract the ...
1
vote
1answer
36 views

How do I know which way line features are oriented?

I'm working on QGIS on a street shp file which has Left From, Left To, Right From, Right To fields fields, building a geocoder. I need to know which way these features are oriented, which I think is ...
1
vote
2answers
81 views

Exporting contour lines from CAD to GIS

I've been using GIS softwares in the past few years by I'm new using AutoCAD. Well, I have contour lines in AutoCAD and I want to export it into QGIS (I also have access to ArcMAP). I saved as .dxf ...
1
vote
2answers
53 views

Why does deleting columns in the QGIS attribute table take longer than in ArcGIS?

In QGis, I recognised that deleting columns takes quite a while - is there a faster way than doing it in the attribute table (in editing mode?). I am speaking about a table with ~ 300 000 lines... ...
1
vote
1answer
21 views

Help using offline QGIS API documentation

I have downloaded the QGIS documentation for offline usage, am I correct in thinking that the qgis.qch file is the one I need to open to view the documentation, using Qt Assistant? I have a Qt ...
1
vote
0answers
19 views

How to create basic GB region postcode area map [duplicate]

I want to make a simple map of SW England that shows polygons over the postcode areas (e.g. EX1, PL19, each in an shaded area with boundary line). If I search the postcode area on google maps (online) ...
1
vote
1answer
76 views

QGIS set default style for layers based on name

I know that it is possible to apply default fill/line/point and colour ramp styles for layers within a project, However... I have a model which spits out raster layers with defined names (e.g. ...
2
votes
3answers
55 views

Change display of a shapefile to draw the smaller polygons in front of the bigger ones

I have a polygon shapefile, with overlapping elements. Currently, QGIS displays the biggest one on top of the others, which hides the smaller ones behind. Is there a way to change this behaviour and ...
1
vote
1answer
42 views

QGIS - choosing layers for geoprocessing tools

Am I right that if I want to choose layers for geoprocessing tools I always have to choose the shapefiles via the path directory? I can't drag and drop them from the layerwindwow on the left like in ...
2
votes
0answers
18 views

Can not install Microsoft SQL Server 2012 Native Client on windows 10

I am trying to compile QGIS project myself. I am following the instructions below, which seems to be official guide but outdated. https://htmlpreview.github.io/?https://github.com/qgis/QGIS/blob/...
2
votes
3answers
101 views

Adding excel table to QGIS print composer?

Can anyone suggest some ideas to add a excel table to the print composer which will then be exported as a A3 png while retaining resolution. Attempted pasting in word as an enhanced meta file then ...
5
votes
2answers
144 views

Loading GeoJSON into QGIS

I am a beginner with QGIS. I am trying to learn it through lynda.com. I have tried downloading the nanaimo crime map in GeoJSON format, but I get a message saying that the data source is invalid. I ...
2
votes
1answer
34 views

QGIS or PostGIS auto-split long line features

I have a dataset of LineStrings in a postgis enabled database and would like to automatically split any feature longer than a certain threshold (say 1 mile). I am aware of the Split Feature tool in ...
2
votes
3answers
51 views

South-up projection/setting in QGIS

Is there a south-up setting for a projection in QGIS?
1
vote
1answer
25 views

Running QGIS Python code from the R rPython package

The following script works fine from python or ipython at the command line: from qgis.core import * from qgis.gui import * import sys sys.path.append("/usr/share/qgis/python/plugins") from PyQt4....
2
votes
1answer
42 views

Google earth to QGIS projection problem

I have a 200 mile diameter circle in Google Earth. I saved as a kml and imported into QGIS with the "add vector layer" and it was imported as WGS 84 GCS. Now the Circle lines up on the correct ...
2
votes
2answers
125 views

Printing map on several pages in QGIS?

I am using QGIS. I have one quite large map (A0 or A1) and I want to print in like atlas (just split it to print on A4 or A3). If understand correctly, I have to use Atlas functionality in Composer. ...
2
votes
1answer
59 views

Using FileGDB in QGIS?

I'm trying to load an ESRI FileGDB of USDA gSSURGO data into QGIS, but I'm having some trouble. I followed the instructions at KyngChaos.com to compile GDAL 1.11 and add the FileGDB plugin (running ...
1
vote
1answer
27 views

Gall-Peters or other cylindric equal-area projections in QGIS?

Is it possible to use Gall-Peters or other cylindric equal-area projections like Hobo–Dyer in QGIS?
2
votes
3answers
56 views

qgis set layer “unselectable” - Avoid identifying features in multiple layers

In MapInfo, it is possible to turn 'selectability' off on layers, which means that when you click on the map objects on that layer aren't selected. It's very useful. Is there a way to accomplish this ...
1
vote
0answers
26 views

Autofill fields of pyQgis script

I have three fields of output vector layer in Qgis script: ##output_vector_first=output vector ##output_vector_second=output vector ##output_vector_third=output vector When user fill first field I ...
2
votes
1answer
44 views

Distance to coast in specific direction

I have a point layer and want to know the distance to the coastline (line or polygon layer) from each point in a series of directions (0, 10, 20, 30 degrees, etc). I have found this python script (...
3
votes
1answer
31 views

AddRaster using pyqgis

I am able to attach a raster by using python console using the command shown below. qgis.utils.iface.addRasterLayer('D:/Work/dt0017810q.tif') But, when the same image/raster path is read from a ...
7
votes
1answer
226 views

How to remove a QGIS project from the “Recent Projects” list?

I have a project in the QGIS Recent Projects list that doesn't exist anymore, but it keeps being listed (greyed out and without thumbnail image). Is there any way to remove it from the list? Perhaps ...
2
votes
1answer
68 views

QGIS: calculate distance between points

I'm using QGIS 2.8. I need to calculate the distance between points depending on points ID (not nearest point). I have a CSV table including points ID and coordinates. Each point is referenced on 2 ...
3
votes
1answer
57 views

Attaching Excel sheet with different language font(hindi) to shapefile

When I try to join a excel sheet with Hindi font to a shp file, I get '?????' as a result in those cells which has Hindi font. (Before/Aft images attached) I tried changing the locale language to ...
1
vote
1answer
34 views

QGIS _Distance from point to polygon- doubt

I want to calculate the distance between a shp of points and a shp with a few polygons. I am using MMQGIS (Hub distances), a UTM coordinate system, and everything works fine, but I think it is giving ...
3
votes
1answer
46 views

QGIS GDAL toolbox - can't edit console call

I've noticed a few answers for QGIS/GDAL questions that show how one can edit the console call e.g. http://gis.stackexchange.com/a/159577/76240 Im using QGIS Essen 2.14.3 via OSGeo4W on Windows 7, ...
1
vote
1answer
35 views

Assign order number in which line intersect polygons

Is there any tool (plugin) for QGIS to assign order (sequence) number of line intersecting through polygons? At this moment I use a bit cumbersome solution which works but... I use Qchainage ...
2
votes
0answers
42 views

QGIS Python Script - Python.exe Stopped Working

I purchased this book called Building Mapping Applications with QGIS and I am trying to work through one of the exercises. There is one script that I try to run that crashes python, generating the ...
1
vote
0answers
29 views

many-to-many relation in Qgis usin MSSQL

Does anyone know how to create many-to-many relation using QGIS and MS SQL? I have many pipes that are geometry and I need to place in them many cables (not geometry, table with attribute).