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

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35 views

How to select all tags in “Export OpenStreetMap topology to SpatiaLite”?

When selecting fields to convert is there a way to select all within QGIS? I'm currently alternating space bar and a down arrow and this does not seem to be the most efficient method.
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21 views

When doing intersect columns are doubled in QGIS?

I am using QGIS version 2.14.1 (Essen). I am the spatial quieries (intersect function). When I do this, I save the new shapefile but it seems that in the new shapefile, the columns have been ...
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0answers
17 views

Is there a setting in QGIS that can stop auto-docking of dragged windows?

I apologize if this seems like a trivial question, but here goes: Often I find myself dragging windows to get them out of the way of the map, and QGIS decides to dock them in very inconvenient ways. ...
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0answers
47 views

How to convert building outlines to Polygons?

I have line vector layer which contains contours of buildings in the form of separate segments. I want to convert lines to polygons (QGiS 2.17) but it doesn't work. I'm trying to solve this problem ...
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2answers
27 views

How to select data according to specific dates

I am using QGIS Essen version 2.14.1, and I am trying to select specific data according to dates in the field calculator: I am using the following formula but the system is telling me: syntax error, ...
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23 views

How does QGIS do TAB file editing?

How does QGIS do TAB file editing? I am asking since the mitab library do not support it (that is editing). Is it by loading it all into memory and then writing a new TAB file on save?
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15 views

create individual buffers from vector points and then batch convert those buffers to rasters? [closed]

following on from my previous question draw concentric circles that correspond to the free space loss formula I now want to perform this for a large amount of points. I tried using the modeller in ...
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1answer
16 views

Capturing Building level information (name and street names) from Basemap Using QGIS?

I wanted to capture House number and street number of Malaysia. I Found that Heremaps streets and Open route services have proper House numbers and street names to capture like this in the below ...
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1answer
79 views

What does the “trusted” flag mean for QGIS plugins?

Can anyone provide some insight into the meaning of the "trusted" flag (true/false) that is listed on the QGIS plugin website when viewed here - http://plugins.qgis.org/plugins/plugins.xml?qgis=2.14 ...
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33 views

Can I add a trend to contour lines in QGIS?

I'm creating structure maps (basically topographic maps) in QGIS from point data and am unhappy with the way QGIS contours the maps... I already know what the structure looks like and know that there ...
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33 views

Seeing overlap where none exists

I am performing the topology checker overlap check on QGIS v2.16.0 for Canada post codes and the report comes back with almost all overlaps even though I cannot see any. Is there any way to confirm ...
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20 views

How to lock plugin window some where in QGIS left panel area?

IF we click on internally created plugin then a separate dialogue box appear. I need to make it fix some where near the left pane. Like if while editing we click on Advance Digitizing Panel then its ...
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32 views

how to resize polygon by keeping one point fixed in QGIS?

We can easily resize a Rectangle/ ellipse by fixing 1 coordinate and dragging to extend polygon from other corner in order to resize the polygon in equal proportion by fixing one corner coordinates. I ...
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0answers
18 views

How to join segments of a line in QGIS?

I have lots of different lines composed of hundreds of segments in a Shapefile. I would like to join them spatially where every start (or end) point of a segment correspond exactly (or within a range ...
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0answers
6 views

How to use PastefromGE plugin

just a simple question for a QGIS plugin that I couldn't the documentation for. How do you use PastefromGE plugin from the Google Earth plugin for QGIS? I'm doing "copy" on Google Earth Pro, and ...
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11 views

Create and save profiles of lines automatical in QGis or Arcmap [closed]

I have one polyline vector with 700 polylines and one raster file. I would like to make the profile of all polylines automatically and save it as csv or xls file. Associated with one polyline I have ...
5
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2answers
118 views

QGIS 2.16 Merge lacks folder option

I've installed QGIS 2.16 and have noticed that the Merge (Vector Menu>Data Management) doesn't appear to have a Folder option anymore. This was the option that allowed you to process/merge a complete ...
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1answer
20 views

MCP Home range analysis in QGIS

Can some recommend to me a plugin for doing a MCP/Kernal density and grid cell analysis for home range analysis, one that is not Animove, because I have problems with setting Animove up, which is ...
3
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1answer
55 views

Why is my coordinate notation different?

I was working on a project in WGS84, and I was continually adding layers to it. As I was rendering in print composer and enabled grid-coordinates, I noticed that my coordinates were different. It's ...
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0answers
17 views

Snap Ground Control Points (GCP) after georeferencing?

Does anybody know if it is possible to snap GCP:S after a georeferencing has been made? The coordinates are saved in a *.points file when using the georeferencer in QGIS and I am looking for a ...
2
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1answer
26 views

How to set paint effects programmaticaly

In my plugin I want to set up a 'halo'-effect like this: So far I tried this: setting up the paint effect: QgsPaintEffect * p_mPaintEffect(0); p_mPaintEffect= new QgsOuterGlowEffect(); ...
0
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1answer
30 views

Batch process for LASZIP

I am using QGIS2.16 version.I added Las tools plugin and executed batch process, in that i have to provide each file name in the output field.is there any automatic process for to get output with the ...
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0answers
16 views

AniMove error “Wrong value for parameter GRASS7 folder”

I installed animove in QGIS 2.14, then I go to Processing -> Options, Under the Providers section find Animove, Under Animove check Activate. I do this and then press OK. Error message "Wrong ...
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1answer
22 views

Problems with conversion xml -> dict -> xml - python

I want to convert xml (qml) file to dictionary, then convert this dictionary to new xml. (Also want to edit something, but first lets just convert it in both way without it.) I'm using xmltodict ...
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1answer
77 views

Is it possible to extrude a vector layer with QGIS 2.16 Globe plugin?

With the new version of Qgis ( 2.16) it is stated that the extension was rewritten globe . Is it possible to extrude a vector layer with a height parameter and if it is possible to have the procedure?...
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18 views

Preventing QGIS from losing information in attribute table during KML to SHP conversion?

I have a Shapefile with certain information in the attribute table. I convert it with QGIS 2.14 to KML. I convert the KML back to SHP. When I open the attribute table, all the infromation is lost. How ...
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1answer
36 views

How to remove subgroup labels from legend?

In print composer legend is it possible to turn off the display of the group name in the legend? So it shouldn't show the DSC_Roads and other items marked with X
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1answer
19 views

Tool to convert mapinfo wor to qgis project file with symbology?

Is there a tool to convert mapinfo wor to qgis project file with symbology? It should be possible to create one as both wor/qgs are text based.
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1answer
35 views

How to georeference Satellite images in QGIS acquired from LANDSAT?

I'm trying to georeference and later obtain spectral bands of a given specified region but I can't find a way to georeference it because its difficult to find the control points in the images acquired ...
-1
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1answer
35 views

Joining CSV with shape file in QGIS

I am aware that this questions has been asked but I haven't really seen a satisfactory answer. I have loaded a csv file into QGIS. It has been imported properly, with the first column as a string ...
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0answers
12 views

Single value of raster displays as transparent?

I have a GeoTiff raster that I'm trying to style, but a single value (1 of 8) refuses to take on any color. It always displays as transparent. Any idea of why this is / how to resolve it? Working in ...
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20 views

How to georeference Satellite images (of an agricultural land) in QGIS acquired from LANDSAT? [duplicate]

I'm trying to georeference satellite images of an agricultural area but its getting very difficult to find the required control points to do so. Is there any way around it?
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31 views

Representing multiple polylines in unique vector layer?

I have imported a layer which contains a lot of lines. They overlap each other in a cross kind of pattern. When zoomed out it can look like this: When zooming in on one of the broader lines it ...
5
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1answer
59 views

Create points equally spaced along an area in QGIS

What's the best way to create points equally spaced in QGIS using a specific area? For example, I want to create points spaced 1 meter in both X and Y direction. The Image below describes better ...
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1answer
34 views

How do I sum up polygons in each squared grid in QGIS?

So I have created a square grid (fishnets) layers with another layer of Philippine mangrove distribution polygons, I intersected two layers so the Area1 (philipine mangrove polygons) and Area2 (square ...
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0answers
14 views

Troble to install Qgis in Ubuntu 14.04 [duplicate]

I format my notebook because this problem, but it wasn't solved. Any suggestion to fix it? The following packages have unmet dependencies: python-qgis : Depends: python-qgis-common (= 1:2.14.4-1+...
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1answer
18 views

Problem with QgsMapCanvas().zoomToSelection() when running from function

I have the following function which, when typed in to the python console line for line works fine, but when I use the function it gets as far as highlighting/selecting the accident (feature) but the ...
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1answer
62 views

Keep up to date a cpp-plugin(windows) for QGIS with less effort

We have two c++-plugins for QGIS and thought with the LTR release we are bit saver against the fast version-changes. Today I updated my QGis from 2.14.0 to 2.14.4 and had to recognise, that the ...
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1answer
74 views

Extract height values from vector to CSV

I have generated a CSV file (using the MMQGIS plugin) expecting to obtain all the coordinates of a vector layer that I have created. But the output file only contains the latitude and longitude ...
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0answers
20 views

Add r.null functionality to GRASS toolbox algorithms in QGIS

I'd like to be able to use GRASS's r.null operation in the QGIS processing toolbox (not via the GRASS plugin). However, it doesn't seem to be available. How would I go about adding code to allow for ...
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2answers
42 views

Create 1km Grid in QGIS from Canada Topo Data

I've been struggling with this all day and can't seem to get anywhere, even with the help of other forum posts. I'm pulling vector data from the canadian gis system, and loading it into QGIS. That ...
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0answers
19 views

install QGIS 2.14.3 on Mac OS 10.11.4: How do I get past the “Verifying 'GDAL Complete.pkg'…” message?

Trying to install QGIS 2.14.3 on Mac OS 10.11.4 I am following the helpful guide here: http://drjill.net/10-step-guide-to-install-qgis-on-a-mac/ - Security set to install downloads from Anywhere. At ...
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1answer
33 views

Loading WKT polygons into QGIS

I have downloaded a file showing the status of the National Broadband Network. The CSV file contains a field "Development Shape", which contains "POLYGON ((153.101112401 -27.797998206, 153.097860177 ...
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1answer
32 views

Grass GIS messed up projection

I needed to load a shape in GRASS GIS to use the v.clean.snap function. The .shp was first viewed in QGIS, projected in 3857 or 4326, I don't remeber. After the adjustments in GRASS GIS I exported to ...
1
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1answer
26 views

Can't choose interpolation attributes of my shapefile

I am attempting to interpolate data of a point shapefile. In the attribute table all attributes are shown correctly. When I am trying to interpolate them with Raster >> Interpolation no attributes to ...
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1answer
48 views

QGIS Calculate Field with Function Editor invalid expression

I have some data which is built like this: a,bbb,ccc where bbb and ccc vary in length. I want to extract the last segment of the string, after the second ",". Using the Function Editor: from qgis....
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0answers
23 views

QGIS: SVG fill patterns not displaying

I have created several custom SVG symbols in Inkscape to use in QGIS. I have several that have fill patterns, but these patterns are not displaying in QGIS. I also am having this problem with symbols ...
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4answers
71 views

How to create a semi-transparent map collar in QGIS composer?

In QGIS 2.14, how can I create a semi-transparent "map collar" (white space around the outside of the page) in Composer? I imagine the map collar would be some sort of graphic shape (not a feature) ...
1
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1answer
30 views

QGIS select points within certain radius

I've seen other threads ask very similar questions, but I haven't seen one that answers this specifically: So, I have 4 Total sets of points. 1 set is a set of addresses in Arkansas, the other 3 are ...
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1answer
114 views

QGIS 2.16 Nødebo installation package for OSX

Im using qgis on my mac, few days ago the notification of the new available 2.16 version appeared in user interface. I went to the official webpage of the qgis but did not succeed. qgis.org is ...