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

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2
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1answer
42 views

Information On Supported Device Qgis Galaxy Tab 4 10.1 4G LTE

I need a tablet for outdoor work and i would know if this device "Samsung Galaxy Tab 4 10.1 4G LTE" works fine with qGis mobile application.
1
vote
1answer
62 views

Split lines by polygons in QGIS 2.4

I have a river network (lines) and a shp with states (polygon). I would like to split the lines at the state boundaries --> split lines by polygon boundaries. Is there a geoprocessing tool to do ...
2
votes
1answer
58 views

geting geograpic locations from an address list

I have a table with 150 addresses. I would like to automaticly generate a point shapefile/PostGIS layer from all of them. Is that possible in any way or do I have to search for every single address to ...
0
votes
1answer
39 views

Print Composer: Export PDF as raster with vector labels

Is it possible (or will it be possible in the future) to export a PDF/SVG as raster with vector labels? I'm using effects (blending, transparency etc.) which I can not export as vector. So I have to ...
3
votes
0answers
40 views

Frontal Detection of sst & Chlorophyll image

I am working on sea surface temperature satellite images and looking for delineating gradients in open source on the basis of temperature. Is there any tool like Cayula and Cornillon front detection ...
1
vote
1answer
36 views

SQL-Like Inner Join on IDs in Two Layers in QGIS

Using QGIS v2.6.0-Brighton. This question is not about editing layers geographically in anyway. It is merely trying to find data from two layers as you would in an SQL Query and append an extra ID to ...
1
vote
0answers
57 views

QGIS 2.6 installation error [closed]

Does anyone know how to fix this ? I used to have QGIS 2.2 and 2.4. I've completely removed 2.4 and installed 2.6 by OSgeo4W (Advanced installation). Everything, like GRASS, tora, udig is working ...
10
votes
1answer
143 views

Automated detection of tracks

Given an area with depressions in open area from; say all terrain vehicles driving on soft surface. The vehicles will cause parallel depressions (paths) of about 10-20 centimeters in depth and around ...
0
votes
0answers
15 views

Possible erros in using qgis network analysis library

I am trying to use qgis network analysis library but I am having a problem with a shapefile. When I construct the graph, I get an empty graph(no vertex , no Arc, nothing). The operation ...
0
votes
0answers
31 views

QspatiaLite Snapping fails if multiple target vertices within tolerance distance

I assumed that SpatiaLite's Snapping would snap to the nearest candidate vertex - however, it turned out that the result becomes unpredictable, if there are several target vertices within tolerance ...
2
votes
0answers
21 views

QGIS 2.6 automatically zooms to layer extent

Since I upgraded to QGIS 2.6 a mouse click (left or ricght) on any layer returns in a automatic zoom to the layers extent. Does anyone know how to switch off this function? Thanks. Thomas
4
votes
1answer
182 views

ArcGIS and QGIS compatibility: issues with Shapefiles or Geodatabases?

I work at a small planning commission as 1 of 2 GIS people, where we have 2 ArcGIS licenses. A volunteer recently starting working with us. He is using QGIS and mostly editing shapefiles. I ...
0
votes
0answers
30 views

Black polygon covering aerial imagery in QGIS?

I am using FSA 2013 aerial imagery, which I access via WMS in QGIS. In some locations the imagery is covered by a black polygon. The polygon only displays at certain scales. Then, if I zoom out until ...
1
vote
1answer
24 views

Labelling problem for Shapefile with Indic Fonts

On my computer (Ubuntu 14.10, 64 bit), I am using QGIS 2.6. I have a shapefile, where the names of the features are written in Indic Script (using Google Transliterate). When I wish to label them, ...
0
votes
0answers
33 views

Custom CRS in Qgis web - client

Hello I'm abit new here and I hope I'll even set the question right. Recently I've started to work on a project that will include displaying maps in qgis-web-client. At the moment I've set up the ...
3
votes
3answers
239 views

In QGIS is there a keyboard shortcut to open/close the layers panel?

Is there a keyboard shortcut, or even something like a toolbar button, which would make it easier and quicker to open (and close) the layers panel in QGIS (2.6). I don't see one listed under the ...
1
vote
0answers
49 views

How to define the output raster resolution when rasterizing a vector?

I have a vector file which I want to rasterize and adjust its resolution to the reference map, in QGIS. I tried spatial_sync_raster function in R to set all the rasters into the same resolution as ...
-4
votes
2answers
29 views

QGIS python QgsApplication.pluginPath() return wrong path in Debian

plugin_path = QgsApplication.pluginPath() return wrong path in Debian /usr/lib/qgis/plugins corect path is : /home/web/.qgis2/python/plugins/ in windows the returned path it's ok.
2
votes
2answers
36 views

Coordinate Not Match - Convert Shapefile to Geojson

I'm a newbie at GIS programming and I have a problem with file conversion. I've tried to convert shp file to geojson, and the coordinates do not match. But when I try to convert it to kml, it goes ...
3
votes
1answer
62 views

Change no-data pixel value in raster: QGIS 2.6

I want to change the value in all pixels that are currently 0 to 800 in QGIS 2.6.1. 0 is listed as the no-data value in Properties > Transparency. I have unchecked the No Data Value box there. Then I ...
3
votes
3answers
118 views

Plotting Geo Points with “by arc centered at” Instructions

A recent Supreme Court decision redefined the legal boundaries of California along the Pacific Ocean: http://www.theverge.com/tldr/2014/12/15/7397085/supreme-court-california-boundaries-map I am ...
3
votes
0answers
52 views

QGIS Standalone C++ Application with Qt: “The program has unexpectedly finished”

I'm trying to develop an Standalone Application with Qt and QGIS API. There are several code examples that should work, but they don't. The Problem is that everytime I use "QgsApplication" the ...
2
votes
1answer
51 views

Opening a .rrd file format in QGIS 2.6?

Anyone knows how can i open a .rrd file (should be a raster)in QGIS 2.6? Comes with more 3 files. Should be any difference using it in OS or Windows?
0
votes
1answer
59 views

Best solution for tiling a geotiff?

I have some GeoTIFF files that I want to bring into the web. The spatial reference of these GeoTIFF files are multiple but are never WebMercator (EPSG:3857) and I need the web map to be in the same ...
2
votes
1answer
60 views

Problems exporting aerial imagery from QGIS

Looked around but couldn't find the answer to my question, so here goes. I am trying to export some decent quality (300dpi) aerial images from QGIS using the OpenLayers plugin. Sometimes it works, and ...
2
votes
1answer
45 views

QGIS Select overlapped feature

I have points that are not equal but the distance between them is so small that it can't be seen even at scale 200k:1. I calculated the distance between these points and add it as attribute. Now I ...
2
votes
0answers
35 views

filling the attributes according to intersection of two layers (Postgresql)

How to automatically fill attributes of a point layer according to the exact position in the polygon layer? I mean how to write a command in PostgreSQL to automatically fill the attributes by the ...
0
votes
0answers
57 views

QT GUI make for QGIS plugin

I was used to develop qgis2leaf on a Ubuntu machine and after each change on the PyQT dialog I've used "make" in the terminal to "compile" the GUI. How does this work on a Windows machine?
1
vote
0answers
136 views

Can't install QGIS 2.6.0 need SQlite3 on OSX Yosemite

I need to install QGIS on my mac with 10.10 Yosemite, I have already installed: - SQLite3_Framework-3.8.7.3 - GDAL_Framework-1.11.1-2 - GSL_Framework-1.16-1 - NumPy-1.8.0-1 but when I launch QGIS.pkg ...
4
votes
2answers
67 views

How to insert a statement (e.g. copyright) which remains visible in mapping window?

I have a QGIS workspace that I need to apply a copyright statement to, so we can show data to clients without breaching the terms of our data suppliers. So far I've attached a label to a point in the ...
0
votes
0answers
22 views

Add feature symbology in pyQgis

While adding a polygon feature in QGIS 2.2.0-Valmiera, the representation symbology of that particular feature(which is in-progress) appears to be "filled" until the completion(rightclick) of ...
1
vote
0answers
18 views

How to show combine results or export them with PyQgis

I'm quite new in Pyqgis and i think Pyqgis could make my work easier. I first want to try with a simple code, here is what i want: merge some features and then export them in a shape files. For the ...
2
votes
0answers
24 views

Result names in modeler processing tools

the results of the modeler (processing tools) do not have the defined names. Is that an issue? For instance: When I'm using "clip grid with polygon" and I define the result name "clip". I expect the ...
1
vote
1answer
48 views

Correct installation of postgresql and postgis

Goodmorning everybody! I'm new in this forum and I hope you would help me in solving my problem. I'm practicing the use of Qgis and i need to setup postgresql and postgis on my mac yosemite 10.10. ...
2
votes
1answer
43 views

Merging shape-files freezes

I am trying to merge shape-files in QGIS it stops each time at 19%. The program doesn't show me any error messages so I don't know what is going on. Both shapefiles are 1.9 GB. Also I noticed that ...
2
votes
1answer
26 views

In QGIS, how do I automatically wrap my labels to fit in print composer window?

I am creating a set of hiking maps for the Continental Divide Trail. The trail is nearly 3000 miles, so I have about 200 individual maps and over 1000 information labels. I have a shapefile of ...
1
vote
1answer
83 views

QGIS install on Ubuntu 14.04 fails

Following the QGIS installation guide I have tried both UbuntuGIS and QGIS stable, but both fail with the error message: The following packages have unmet dependencies: python-qgis : Depends: ...
2
votes
1answer
49 views

Models -> [Example Models] -> Contour lines from points: on MAC

I'm running QGIS2.6 on a Mac and can't seem to locate the "Contour Lines from Points" Example Model. Any help would be appreciated. SAGA is installed.
8
votes
3answers
155 views

Calculating all distances from single points to multiple polygons

I have two layers: a point layer defining properties (95 objects), and a polygon layer defining plots of land associated with the properties (211 objects). Each point relates to one or more polygons. ...
2
votes
1answer
58 views

Install QGIS on Ubuntu with GDAL built from source?

I am trying to install QGIS on Ubuntu 14.04. While I can easily install it via the package manager or apt-get, I find that QGIS, when installed, does not have Python support as expected. The symptoms ...
0
votes
0answers
10 views

Add Image attribute in QGIS [duplicate]

Anyone knows how to add an image attribute in qgis, so that when I click on the shape file for information it shows me the picture along with the attribute-table?
1
vote
3answers
60 views

Is there a way to snap 2 lines together from 2 shapefiles?

I am currently having 2 shapefiles of a roadnetwork. One of them has the best network (lines intersecting correctly etc.) and the other has some attribute info I want. I have no similar attributes to ...
1
vote
0answers
44 views

Importing csv file in QGIS including names and description [closed]

I'm just getting to learn QGIS. I want to make a map (Google maps) where I can map all our customers from our database. Including names and even better: description, address, telephone, etc. All this ...
3
votes
1answer
32 views

How to save shape file as type 1 point file in Qgis?

QGIS saves point shapefiles as type 8 - Multipoint as default. I need QGIS to save as type-1 Point file. How?
1
vote
1answer
39 views

How to delete pinned points?

I'm working with QGIS Brighton. My project was started with an older version of the software, but I don't think that makes a difference. I have six points that were generated by calculating the ...
0
votes
1answer
43 views

QGIS plugin select and edit feature attribute [closed]

I'm looking for a QGIS plugin that can change attributes (attribute table) of features on a vector layer by selecting them with the mouse. I found this plugin "SelectTools": ...
0
votes
0answers
25 views

how to send a QGis project? [duplicate]

I am working on a project with around 70 individual shapefile layers saved in 10 different folders. I use a qgis project file to start up and group the shapefiles. I now would like to send the project ...
3
votes
1answer
83 views

clip geometries in postgis table if they are inside a polygon

I have polygons defined in KML files just like this one, which I can easily parse. Example: <Polygon><outerBoundaryIs><LinearRing><coordinates> -91.463940,40.372660,0 ...
2
votes
1answer
71 views

How to compute orthodromic distance in QGIS?

I have opened a geotiff file with QGIS. The CRS of this file is EPSG:3857 (web mercator). When I use the distance tool in the menu, the computed distance is towards web mercator coordinates and not ...
1
vote
1answer
60 views

How to create selective output from a QGIS layer, using QGIS2leaf?

I want to create a web map on which only a selection of data from a layer is displayed. To the best of my knowledge the tool seems to output the full layer. In Mapinfo I'd run a query to create a ...