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

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2
votes
1answer
211 views

QGIS has an automatic way of finding the LS factor?

I wonder if is possible to calculate LS (soil erosion) factor automatically in QGIS? Or at least a way to calculate the length slope?
3
votes
4answers
3k views

QGIS OpenLayers 3 Google Maps not zooming

Google Satellite will not zoom. Although the scale changes as I zoom, as the map is re-rendered, it zooms out to its maximum extent every time. This first happened in the latter part of November ...
1
vote
0answers
195 views

Projection problems when importing .kml from Google Earth to QGIS

I want to open several points that I exported from Google Earth as a .kml in QGIS for further use. I can import the data and the points are displayed but something must be wrong with the projection as ...
1
vote
1answer
458 views

What is a memory vector layer in QGIS?

What is a memory vector layer and how does it relate to the vector layer? Background info: I have a volunteer working with my organization, because of financial reasons we have him using QGIS. He ...
4
votes
0answers
201 views

plugin compile with make would not compile module [closed]

Ubuntu 14.04 QGIS 2.6 PyQt4 I'm following one of many tutorials on 'plugin builder', here is the latest one I'm trying with: http://www.digital-geography.com/build-qgis-plugin/ It all seems very ...
1
vote
1answer
37 views

creating a new vector layer from a part of the current one [duplicate]

I am using qgis 2.6 for the first time. As I was using 2.2 previously, it was easy for me to create a new vector layer from a part of the current layer with the help of option "save selection as a new ...
4
votes
0answers
107 views

Merge Raster Layer Specific Order in Graphic Modeler

I'm using the Graphic Modeler/Processing Modeler to automate a process. The last step in this process is Merging three different Raster Layers. I'm using the "Merge Raster Layers" from Saga 2.0.8. ...
2
votes
1answer
24 views

Plugin to develop composer attribute tables

I have no experience of plugin development, but I'm wondering if it would be possible to write a plugin that solved the issue of multi-line tables in print composer http://hub.qgis.org/issues/10273 I ...
1
vote
1answer
28 views

78% cease calculation and “no message” from QGIS

I'm a total noob. I'm trying to generate an outline of a bunch of elevation lines which i can use to cut into some other elevation lines. I understand that I can buffer and dissolve to get the result ...
2
votes
1answer
173 views

PostGIS cannot create new feature

I have a PostGIS database - using the main user I can create/update new features no worries. I have created a series of new logins and given them all full access to select/insert/update etc all the ...
1
vote
0answers
67 views

Print large land area using QGIS 2.6.1 Brighton

I have a rectangular area of approximately 10km x 20km and I wish to print this to A0. (I will select a scaled portion of this area - most of it - that matches the A0 page size) I have a few layers ...
3
votes
2answers
351 views

Azimuthal orthographic projection QGIS2.6

I'm trying to create a globe view in QGIS2.6 with an Azimuthal Orthographic projection using NaturalEarth's 110m countries dataset. I'm following Hamish Campbell's blog post instructions that have ...
2
votes
0answers
82 views

Shifted tiles in QGIS with mbtiles

I'm confused because of the representation of mbtiles files in QGIS. It seems that the whole grid is shifted by about 3 m to the south. So far I can observe this behavior only in the context of ...
1
vote
1answer
378 views

How to create a mosaic in QGIS with cutline and feathering for Landsat-8 imagery

1 - I have two scenes Landsat-8 RGB 6/5/4 and I need to mosaic them: 2- This is my cutline in polygon format that will smooth the overlapping area: 3 - So, I need to create a mosaic with ...
2
votes
1answer
140 views

How to align QGIS legend items to the right?

Is there a way to align QGIS map composer legend items to the right, for right-to-left languages? There is only a title alignment option. Furthermore, I found this ticket from 4 years ago regarding ...
2
votes
1answer
35 views

How to compute areas where the value in one layer is smaller than in another layer?

I have two vector layers, one contains actual values (in this case % cover of native species), the other contains target vales of the same attribute. the polygons are not always of the same geometry. ...
1
vote
0answers
62 views

Join/convert points to polygons

(I am using QGIS 2.6 Brighton) I have 2 shps, one points and another one polygons. I need to make them one. Is there a way to join them or convert the points to polygons? Vonoroi doesnt work for me ...
1
vote
0answers
221 views

How to zoom past 1:1433 with Openlayers plugin in QGIS 2.6?

I am editing the polygon shape file in QGIS 2.6 with the projection of "USA_Contiguous_Equidistant_Conic" but i can't able to zoom in the open layers like Google maps and bing maps morethan 1:1433 ...
1
vote
0answers
389 views

Field Calculator stopped working

The field calculator seems to have stopped working for one of my attribute tables (it works fine on others). No matter what I get it to express (I've tried simply 2*2, just as a test) it just produces ...
0
votes
0answers
27 views

How to Create a Minimum Bounding Polygon in QGIS [duplicate]

Does anybody know how to create a "minimum bounding polygon" from a set of polygons in QGIS or elsewhere? For example, in the figure below I can create a Convex Hull per the purple outline, but I'm ...
1
vote
1answer
31 views

Print Composer: Finder window disappearing when pressing save button?

I recently updated to 2.6.1 (using mac OS 10.10.1). When I'm in print composer, and I try to save my map (or open a new file, or do anything that brings up a finder window), the window disappears ...
3
votes
0answers
74 views

How to simplify polygon shapefile and maintain topology? [duplicate]

I'm looking for a straightforward answer that actually works...not a 'duplicate question' flag. None of the other solutions posted in similar threads actually work...they all have dead-end answers ...
2
votes
1answer
84 views

Snapping while measure in QGIS?

I've been reading here and there that snapping while measuring should work in QGIS, but i can not make it work for the life of me. https://hub.qgis.org/issues/8537 All the snapping options are set ...
0
votes
0answers
641 views

Mapfile generation from QGIS project

I am looking for a way to transform a QGIS project (.qgs) to a MapServer Mapfile (.map). I am using Quantum GIS 2.6 and MapServer 6. The layers are postgis tables. I would need something like this ...
2
votes
0answers
36 views

Is it possible to only have one Feature Attribute Window open in QGIS?

I suppose it's by design that when you click through(identify) your features, for every feature it opens the attribute window (which is good, i have enabled the checkbox to automatically open the ...
3
votes
2answers
1k views

How to customize the QGIS GUI using Python?

Is it possible to hide/remove/customize the default UI of QGIS from a Python plugin? I want to add my own menus and toolbars and remove some included by default in QGIS. If it's possible, which ...
2
votes
0answers
30 views

Aggregate nearby points to develop equally sized regions in QGIS

I have a list of 4,500 points (lat, long, unique id, attribute). I also have a service territory which all of the points fall into. I would like to break the service territory (polygon) into 6 ...
2
votes
1answer
139 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
147 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
122 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
151 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 ...
6
votes
0answers
216 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
161 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
167 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
218 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
50 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
42 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
6
votes
1answer
1k 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 ...
1
vote
1answer
35 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, ...
1
vote
1answer
193 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 ...
4
votes
3answers
566 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
131 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
84 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
110 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 ...
5
votes
1answer
946 views

Change NODATA pixel value in raster to arbitrary value

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
169 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 ...
4
votes
1answer
376 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
842 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?
1
vote
1answer
279 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
164 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 ...