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

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2answers
506 views

Add Oracle Spatial Vector Layer with QGIS 2.0 on Mac OSx

I installed version 2.0 using the recommended mac installer (http://www.kyngchaos.com/software/qgis), and the installation went fine, but there is no option to add an oracle spatial layer (not in the ...
1
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0answers
109 views

Is the postgis layer option in qgis 2.0.1 Dufour two way? Was the spit plugin built in?

I am trying to install postgresql with postgis on a remotely accessed terminal only installation of ubuntu 12.04 that I want to use to connect to qgis 2.0.1 and hopefully have a two way transfer ...
2
votes
3answers
2k views

Viewshed / Line of Sight analysis- as a batch process?

I wish to carry out a line of site analysis similar to the subject in here (preferably within QGIS): Visual Impact Assessment in QGIS or GRASS Scenario: I have two points, A and B. Point A is a ...
3
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0answers
63 views

How to create a custom enterprise QGIS installer with plugins and symbols?

I am looking at installing QGIS at a company level. I would like my installer to install specific plugins, and add our company map symology. Are there any ways to do this? I have seen post about ...
1
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0answers
147 views

Qgis-Web-Client - Windows - Red Screen

Well, I'm a Windows user and a newbie with Web mapping technology, but I've had success with qgis server and the "getmap" and "getcapabilities" work well. Now I'm trying to have the same success with ...
1
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0answers
81 views

QGIS Points in Polygon Crashes

I have a layer of points that are spread out in different areas. I created a polygon layer for each area, and tried to count the number of points in each polygon using Vector > Analysis Tools > ...
3
votes
1answer
69 views

How to combine several datapoints in one location to a single point varying in size accordingly?

This might be a very simple thing, but I just can't figure it out how to do it in QGIS (alternatively I'm also grateful for explanations for ArcGIS). I have a fisheries dataset with multiple catches ...
1
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1answer
145 views

Microsoft Visual C++ Crash when build qgis 1.8.0 Windows 7 64bit

I have a problem building the source of qgis1.8.0 in Windows 7 64bit. i am trying to follow this instructions in this page: ...
4
votes
1answer
362 views

Historical U.S.G.S. Georeferencing

I have downloaded a historical USGS map that is suppose to be a geoPDF. My understanding is that QGIS cannot directly read geoPDF's. I have not had any luck in converting it to a geoTIF in order to ...
1
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0answers
39 views

QGIS 2.0 have a Legend Limiter feature? [duplicate]

I found this old post (concerning QGIS 1.x) Is ther a Legend Limiter in QGIS? and was wondering whether this had been solved in QGIS 2.0. Is there a way of only showing the attributes in the legend ...
3
votes
1answer
136 views

Problem with projection in layer

I'm having problems with visualizing a layer which is in EPSG:4326 Apparently the geometry looks perfect, but I don't know why, it's not in real coordinates. I have projected it to 4326 with QGIS, ...
1
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2answers
600 views

MSSQL Data Not Showing Up in QGIS

I started using QGIS a few weeks ago. I've been able to create some very nice maps with it. I've used the OpenLayers plugins to bring in different basemaps, I've brought in shapefiles and connected ...
1
vote
4answers
283 views

Python script to open many small images in QGIS

I have access to about 1000 satellite images that covers my country. Each of them is associated to a smaller image that is used for browsing the real deal. I would like to write a script that will ...
1
vote
1answer
160 views

“Binning” polygons in QGIS

I've got a block-level census dataset that I am attempting to aggregate using a 2-mile grid. Basically, I want each grid cell polygon to have a value equal to the sum of the total population of each ...
1
vote
1answer
343 views

Is there a way to download more than 13MB of OSM data to QGIS?

I'm using QGIS to make maps with OSM streetmaps data. Problem is that with QGIS -> Vector -> OSM -> download data, after about 13MB I get "Download error Operation cancelled". Sometimes I get ...
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0answers
295 views

Why do my maps exported in WGS84 have large coordinates?

I'm using QGIS to export map layers as GeoJSON for use in Leaflet. The map file CRS is WGS84(EPSG4326) and I'm exporting it as such. The issue is the exported coordinates are still too large: [ ...
0
votes
1answer
301 views

Creating PostGIS Geodatabase features in QGIS defaults to ST_Geometry

I have a PostGIS database that uses the PG_Geometry stored in a shape field. This same database is a registered ArcGIS geodatabase. I am able to edit and create features in ArcGIS. I can connect, view ...
1
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1answer
404 views

Is it necessary/advisable to uninstall QGIS 1.8 first before installing 2.0?

Who has installed QGIS 2.0 on Mac OSX 10.6.8 (Snow Leopard)? Is it necessary/advisable to uninstall QGIS 1.8 first? Have you seen any problems importing QGIS 1.8 projects to 2.0?
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0answers
233 views

Style manager not working to batch style group in QGIS 2.0.1

I am trying to apply batch styling to a group of layers using the style manager by setting the conditions, but the symbology does not seem to be applying. This is considering the multiqml plugin is ...
0
votes
0answers
156 views

How do I completely fill polygons with text labels on a per-feature basis?

I would like to create a map of regions, where each region is completely filled with its specific chunks of text. Think a map of Wordles in the shape of regions that are assembled together into a map. ...
2
votes
3answers
75 views

Finding a certain length of a line from a central point

I am not exactly sure on how to describe what I am trying to do so hopefully this picture will help. What I am trying to figure out: I have a point and from that point I have, walking paths from that ...
1
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1answer
190 views

Buttons (Ok, Cancel) disappear in “Apri Modulo” from Attribute Table in QGIS 2.0.1

QGIS 2.0 has changed the visualisation of a form opened from the attribute table: instead of opening the form in a separate window, the form is opened in the same one. This is not a problem, but all ...
5
votes
3answers
698 views

Can we merge shapefiles with different geometries (point and polygon) to get a single layer which shows both geometries?

I want to merge two shape files in which one is of point geometry type and other is polygon type in order to get a single layer containing both points and polygon in a single map.
12
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0answers
247 views

Qgis 2.0: Disable log messages? [closed]

Is it possible to disable log messages in QGIS Dufour? When I work in QGIS 2.0, log messages increase to more than 2000 and it makes QGIS very slow. Then I save project and open it again, then QGIS ...
1
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0answers
51 views

Delete polygon underlap?

I am editing a layer in QGIS with severe polygon overlaps. Is there a way to delete the underlapping portions (i.e. the invisible parts) using QGIS? If I import the layer into GRASS using the ...
2
votes
1answer
542 views

Time Manager (QGIS) date format

I've been through associated answers but cannot quite seem to find something which works! I'm having trouble getting TimeManager to recognise a simple data field (this is in QGIS2 - but I've had this ...
4
votes
2answers
880 views

Is there a Focal Statistics (spatial analyst) tool in ArcGIS equivalent in QGIS?

I'm attempting to use QGIS v2.0.1 to accomplish the same tasks that I can do using ArcMap v10.1 and I'm running into some trouble finding equivalent tools. In ArcMap I am using the Focal Statistics ...
1
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1answer
115 views

How to reproject EPSG:102218 with QGIS?

I have a raster file. ArcMap says it is in NAD_1983_USFS_R6_Albers (EPSG:102218). QGIS says it is in USER:100000 - * Generated CRS (+proj=aea +lat_1=43 +lat_2=48 +lat_0=34 +lon_0=-120 +x_0=600000 ...
1
vote
1answer
75 views

why are my buffers not lining up with their original points despite setting the layer crs as all the same crs when I reopen my project [closed]

I am having my entire project in pseduo mercator (google earth raster image) and when I create buffers for points and then open back up my project all the buffers are offset from their points. ...
1
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1answer
155 views

Loading different image service functions to QGIS

If someone has created an image service in ArcGIS with function templates in order to process on the fly... How would you bring that data into QGIS and be able to switch between functions? In ArcMap ...
1
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2answers
2k views

Calculating many shortest paths with pgRouting

I 145013 Danish addresses, and 10 big cities in Denmark as points in QGIS. Furthermore, I have four vector layers that connect all the points. They are small roads, main roads, freeways and ferry ...
1
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0answers
24 views

accuracy of classification in qgis [duplicate]

I have my classified map and my validation points. I performed point sampling with validation points to my classified map. but i am fuzzy with my next step. Some help?
1
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0answers
262 views

How to use QGIS Accuracy Assessment plugin? [closed]

I am new user and i want perform accuracy assessment in qgis. I have 1 classified map and another for validation. I have installed the plugin. what am i doing after? Plugin: ...
0
votes
1answer
73 views

QGIS Save as Spatialite layer from FileGDB does not add OGC_FID

I have previously (yesterday) been able to save a Spatialite layer from a FileGDB feature class using the Right click/Save as... method in QGIS. Today, however, with no changes to any software (tried ...
2
votes
2answers
1k views

QGIS 2.0.1 Dufour on Windows 8 64-bit: Processing toolbox always produces error saying output layers could not be opened

I have tried to use the Processing Toolbox in QGIS 2.0.1 a couple of times now (using SAGA and OTB) and in both cases the processing tools always return an error along these lines: "Problem loading ...
1
vote
2answers
868 views

Convert Shape Length Area Data to Latitude Longitude

I am attempting to import publicly available shapefile data from http://gis.utah.gov/data/boundaries/zip-codes/ into Tableau for a data visualization project. Unfortunately, the .shp file and .gdb ...
1
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0answers
51 views

Shapefile wrong visualization [closed]

Just passed from 1.8 to 2.0.1. Opening a previous format project, some layers are visualized only at [each time] different scale; visualized at 1:313593 only if "zoomed at layer extension", otherwise ...
3
votes
2answers
263 views

How to export a vector layer to a new layer and take extent from canvas?

I want to create a new vector layer based on an existing one and the extent should be based on the current extent of the canvas. How do I do that? Edit: I am looking for a quick way to do that (a ...
0
votes
0answers
78 views

Merge (a lot of) features using QGIS or other open source

I have one shape-file with a lot of features (polygons) and if I try to merge these into one big polygon in QGIS it takes days to complete the merge. So I wonder if there is another way? I saw this ...
4
votes
4answers
399 views

How to convert result of dissolved buffer into individual polygons?

I am wondering if there is a way to easily split results of a disolved buffer into individual polygons? E.g in the screenshot below all of these buffers are one item, can I split them into individual ...
2
votes
1answer
212 views

QGIS 1.8 Vector layer from ODBC connection [duplicate]

I have successfully set up an ODBC link from a FileMaker DB to QGIS, and using Layer/Add Vector Layer I can get a layer with a fully populated attribute table listed in the Layers Panel. I now want ...
2
votes
3answers
120 views

Problem with deleting features/objects in Attribute Table

I am a new to the field of GIS-Software. So i hope for your patience. English is not my native language so sorry for that too ;). My overall goal is to export a DXF-File with just the special objects ...
1
vote
1answer
63 views

Error reading database file from: /Applications/QGIS.app/Contents/Resources/resources/srs.db

I've suddenly started getting the following error using QGIS 2.0.1 on Mac: Error reading database file from: /Applications/QGIS.app/Contents/MacOS/../Resources/resources/srs.db Because of this the ...
2
votes
1answer
1k views

QGIS 2.0 without MySQL connector

On a mac (Mountain Lion), after a major upgrade to GDAL (1.10) and related frameworks from KyngChaos page, QGIS 2.0 doesn't show any MySQL connector: Add Vector > Database > ... The driver ...
5
votes
1answer
304 views

QGIS - Changing Legend Size with Python

In QGIS, I use the python console to generate image files through the composer. In particular, I am creating a map with a legend. The legend is too big. It occupies about 1/8 of the image. I would ...
2
votes
2answers
66 views

Points near corner

I have a road network (lines) and some POIs (points). These POIs have the information of street name on their attribute table. I've found that some street name from the POI doesn't match with my road ...
2
votes
1answer
183 views

How to convert format and CRS of many shapefiles to kml (or csv, json..)?

I tried to use QGIS to transform shp files in kml and to translate the CRS to use in a google maps application. My problem is that I have a lot of shp files that i can open in a bulk manner by drag ...
2
votes
1answer
82 views

How to format raster legend in QGIS?

Using QGIS 2.0, I have created a color legend for raster values in the print composer. By default each color swatch appears to the left of its label in the legend but I want the color swatchs to ...
2
votes
0answers
81 views

QGIS crashes when trying to open ecw files

I added Ubuntugis unstable repo and installed Qgis, libgdal-ecw-src, libecwj2-3.3 but still does not work. When I attempt to open an ecw file with Qgis it crashes and tells me: 'std::length_error': ...
4
votes
1answer
1k views

Is there a way in qgis 2.0 to prevent overlapping labels?

Is there a way in qgis 2.0 to prevent overlapping labels? I have a layer with a large geographical extent, which means a hell of a lot of labels. Many of them collide and it looks really bad. Is ...