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

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95 views

fatal error LNK1104 qgis build

I try to build qgis1.8.0 using Microsoft Visual c++ 2010 in a Windows 7 64bit. all the dependency are installed and the solution qgis1.8.0.sln was generated succesfully. but my problem is the ...
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3answers
256 views

QGIS plugin requires a missing module: ui_gresp

I am developing my own plugin, the plugin manager shows the error: This plugin requires a missing module: ui_gresp If i try to enable it the trace shows: Couldn't load plugin gresp due an ...
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1answer
145 views

How to export a map (satellite image, 3 bands) to Tiff without losing the resolution in Qgis.

I manually improve the colour contrast of landsat images. The printing in pdf afterwards is OK, as it maintains the resolution due to the high dpi. Now I am interested to obtain a kmz/kml file of the ...
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1answer
615 views

Convert String to Integer in QGIS tables

I want it to know how to convert string field values to integer values in QGis Dufour... there are numbers and strings in the same field, when I use toreal(string) it stops and it won´t create the ...
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0answers
52 views

What do you think is happening to my QGIS Georeferencer

I'm pretty new with QGis, but have used tools as Openlayers and Geoserver for some years now without never being asked to diplay a georeferenced raster image. Which gets me to use QGis in order to ...
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0answers
28 views

Qgis on Ubuntu - change permitions? [closed]

First time using (QGIS on UBUNTU). i am following some articles in order to publish qgis maps on the web. My problem is (although i am the administrator) i am not able to save or copy my *.qgs in ...
3
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2answers
250 views

Need Projection Help to Buffer Lines in QGIS

I am somewhat new to GIS in general, and very new to QGIS specifically (I took one class and we used Arc, which I don't have access to any more). I need to create buffers (1km, 3km, and 5km) around ...
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1answer
297 views

Cropping and transforming geoPDF with GDALwarp

I got some great advice on how to transform a geoPDF to a geoTIF on this post, which used the available downloads from this site. I would like to take it a little further and not only convert, but ...
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0answers
334 views

.dxf export in QGIS 2.0.1 gives hatches instead of polylines

This may see like a stupid question, but I'm new to QGIS, so please bear with me. I'm having a problem when saving as .dxf. I export a building layer (polygons) as a .dxf file However in AutoCAD it ...
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2answers
201 views

how can i set place mark with text in QGIS?

I want to mark a point in map and place text near it. I used QgsVertexMarker to mark point .As far as now i am using tool-tip to show text. but i need clean code to show my text on map. Following ...
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1answer
69 views

Is it possible to paste features into QGIS from another application?

One of the coolest features in my QGIS workflow is the ability to copy features (select and copy) and then paste the results into, say, Excel or Openoffice - you get your attributes table plus a WKT ...
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2answers
141 views

How to create a SHP file in QGIS using the spreadsheet?

I have a spreadsheet which have columns (X, Y, Att1, Att2 ...). I want to create a point shp file, all column in the spreadsheet to be the column in shp file. How can I do this in QGIS? Thanks.
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2answers
94 views

How to set my own CRS in QGIS

I want to transform WGS to MRT (GCS for Malaysia) using QGIS. Is "save as" to a new CRS the correct method? With ArcGIS, I can create transformation method to do transformation but I'm not sure in ...
2
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1answer
111 views

Problems in gdalwarp

I was trying to use gdalwarp inside a qgis 2.0 model via processing but I think that the implementation is not working properly. So I would like to know if anyone has encountered this problem?
2
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1answer
1k views

QGIS, Installation on Linux Mint 15 Mate

I've just tried to install the latest version of QGIS on Linux Mint 15 Mate using 'sudo apt-get update' and 'sudo apt-get install qgis'. However, QGIS gives me the error message 'Couldn't load PyQGIS. ...
2
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1answer
70 views

DC-GIS WMS server. Metadata shows polygon layer, why am I getting a raster

This page gives the description of the layers available from the DC_GIS mapserver. When I look up the metadata for various layers, say record lots, the description says Geometry Type: ...
3
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0answers
143 views

QGIS Select Single Feature not correct in attribute table

For some reason, QGIS is not displaying the correct row of my data when I click on a feature with "Select Single Feature" or even the other select tools. I have a point database linked from mysql. ...
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0answers
172 views

How can I make use of the $scale function in QGIS data defined properties?

In QGIS 2.0 I can use with success the $scale function in the labeling expressions. When I tried to use it for symbolizing in the data defined properties it has a value of 0. Is there a way to make ...
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2answers
400 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 ...
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0answers
104 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 ...
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3answers
1k 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 ...
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0answers
59 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 ...
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0answers
131 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 ...
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57 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 > ...
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1answer
60 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 ...
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1answer
120 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: ...
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1answer
338 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 ...
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0answers
36 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
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1answer
116 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, ...
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1answer
55 views

Communicate synchronously & continuously (coords, etc) from terminal to application-based mapping software such that updates are displayed live on map

I run a lot of spatial queries. Hundreds of thousands a week. While these things are running, it would be nice if I could see what (where, actually) my scripts are working with. Distance calculations, ...
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2answers
427 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 ...
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3answers
189 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 ...
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1answer
144 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 ...
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1answer
252 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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228 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: [ ...
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1answer
237 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 ...
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1answer
359 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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193 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 ...
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0answers
129 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
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3answers
71 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 ...
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1answer
136 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
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3answers
427 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
236 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 ...
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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
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1answer
353 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 ...
3
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1answer
598 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 ...
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1answer
100 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 ...
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1answer
71 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. ...
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1answer
119 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 ...
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2answers
1k 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 ...