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1answer
23 views

QGIS 1.8 or 2.01 select entries in .shp file that match a field entry [duplicate]

I've got a .shp file with 40k points (trees) in it. One field is the species name. Is there a way to select those entries that match a desired field name e.g. 'black walnut' so I can move them to a ...
0
votes
1answer
450 views

QGIS 2.0 text delimited layer importing data as single row

I'm trying to import a text delimited layer using lat/lon, but the tool interprets the data as a single line. I've tried saving my csv using several different programs (Stata, python editor, text ...
1
vote
2answers
879 views

How to restore the table window in ArcMap 10.2 (stuck in maximized view)

I've somehow managed to maximize the table window in ArcMap 10.2 (after choosing > Open Attribute Table from the TOC). Whenever this window opens, it's maximized, and I can't see an option to restore ...
1
vote
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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0answers
76 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 ...
1
vote
1answer
55 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
81 views

How to make marker line thicker in QGIS?

I'm mapping railways, find that the usual cross marker line is so thin it doesn't show up in Print Composer at web resolution, and can't find any way of making it thicker, only the main line. Is there ...
2
votes
2answers
3k views

How to add csv file in QGIS 2.0 using Delimited Text Layer Plugin?

I used to import csv files in previous versions of QGIS using the format below, but when I upgraded to QGIS 2.0 the delimited text layer plugin was changed and I can't import the file anymore. The ...
3
votes
2answers
2k views

How to load MrSID raster layer in QGIS on Mac OS?

I have just upgraded QGIS to 2.0 and now I can't load my SID raster layers. I now remember that getting them into 1.8 was a performance but I can't remember all the details. I have downloaded the ...
0
votes
2answers
125 views

Installing QGis such that it will work with the Postgres.app implementation of PostgreSQL on Mac (Lion) (open to alternative implementations)

I just got a new mac and am getting everything installed on it (postgres, postgis, qgis, grass, gdal, brew, ruby, etc) and am about to install QGis. QGis is a great tool for me, except for that with ...
3
votes
1answer
133 views

QGis: Difference between Mac OSx and Windows

i try to import a KML-Placemark file with QGIS (--> Add Vectorlayer, UTF-8). When i import the File with my Mac (OS 10.6) i don´t have any problems viewing all the attributes stored in the KML-File ...
0
votes
2answers
3k views

How to install matplotlib and pyparsing correctly on OSX-Lion?

I am trying to install the Contour plugin in QGIS 2.0.1 (I'm running OSX-Lion) and I have installed NumPy and Matplotlib from kyngchaos however when I go to install the plugin I get the following ...
7
votes
4answers
2k views

How do I open personal geodatabase in QGIS 2.0?

Good afternoon. I am trying to use an ArcGIS (10.2) personal database MDB as a container for data to pass to a QGIS user. I formerly used QGIS 1.8 for Mac OSX, and after some fiddling around, I was ...
1
vote
0answers
57 views

Why is the attribute table alphabetizing out of order? [closed]

I'm having a problem with the attribute table alphabetizing out of order in QGIS, while working on a Macbook Pro. First, I know that clicking the top of the column will alphabetize in ascending or ...
2
votes
1answer
721 views

How to update to QGIS 2.0.1 on Mac?

I'm trying to upgrade to the newest version of qGIS but get the following error message when I open the installer: QGIS requires the GEOS framework version 3.4 or newer. I've had no luck ...
1
vote
1answer
1k views

QGIS 2 Installation on MAC OSX - couldn't load plugin 'processing' [duplicate]

New installation of QGIS running on Macbook Pro OSX 10.8.4 - this comes up on startup. I urgently need this fixed!!! I have a project due in 10 days that I desperately need QGIS for. Thanks for the ...
0
votes
2answers
93 views

Add waypoints to ArcMap using GPSBabel

I've been trying to add waypoints to Arcmap for some while now. I have a Mac OS X 10.6.8 and have finally found GPSBabel that is compatible with mac. My current problem is to convert the waypoints ...
2
votes
1answer
232 views

How do i convert STDS file to ASCII DEM?

I've downloaded several 7.5 minute DEM files from USGS and they have file names like: 1661629.DEM.SDTS.TAR On MAC these decompress into a folder with serval files having the extension '.DDF'. Is ...
1
vote
1answer
1k views

Running Maperitive on a Mac

Really basic question, but I need details and help running Maperitive from my mac. I've tried launching it from the terminal and tried running it through WineBottler. If anyone has experience with ...
0
votes
1answer
92 views

Problem compiling liblas on OSX 10.8

I'm trying to compile liblas since I can't find any Mac executables out there(?). I have OSX 10.8 and XCode 4.6.3. Since I'm not a programmer I get really confused when I follow the instructions on ...
1
vote
0answers
203 views

QGIS 1.8.0 on Linux treats NetCDF 4 as HDF5

I've been generating some large (28800x13920) grids of BYTE data representing the NALCMS2005 North American Land Cover dataset (original 250m projected data resampled to a WGS84 grid at 15 arc sec). I ...
0
votes
1answer
53 views

HELP with installing QGIS 1.7.3 for a mac

Could someone please help me install QGIS 1.7.3 for a Mac and possibly give step by step instructions? I have already installed QGIS 1.8 for a Mac, however I have heard that the 1.7.3 will run ...
0
votes
2answers
646 views

How to install Shapely, but got stuck into Python language

I have a MAC OSX 10.7.5 and am trying to learn how to use QGIS. Following a couple of tutorials I came to know I have to install shapely. I followed the instructions by the multi-cited ...
1
vote
1answer
106 views

How to rescale vector data? [duplicate]

I've got some old maps in dxf format. QGIS imports them correctly but with a nonsense scale. It can export the data it gets to shp of course. Does anyone know how to rescale vector data so it can be ...
0
votes
0answers
148 views

QGIS GDAL polygonize - how to set scale

I've got some old contour plots, paper copy only, that I'd like to be able to put into QGIS. I get as far as a successful polygonize into shp and it looks fine, but the scale is wrong. How might I ...
0
votes
1answer
691 views

Cant Instal psycopg2 on mac 10.8.2

I know there Have been a lot of similar questions asked but none address this issue as I far as I can tell. When I am trying to install the sextante plugin, or run PostGIS Manager in QGIS I receive ...
1
vote
2answers
212 views

QGIS on Mac WKT import problem

QGIS 1.8.0 Mac OSX 10.6.8 These problems seem to be specific to Mac, as two Windows users don't have the problem. Import a file as a vector: TEST.CSV id;wkt 1;"POLYGON((10 10,20 20,20 30,20 ...
4
votes
2answers
2k views

QGIS import polygons in CSV

QGIS 1.8 on Mac: I'm hoping to migrate several dozen local maps from my 30 year old Win3.1 plotting system to QGIS. Polygons are in X,Y (CSV), first point repeated at the end to close it, with ...
2
votes
1answer
465 views

MrSid => GeoTiff

I have a MrSid file that I would like to convert to a GeoTiff. Is there a way to do this on a Mac running Mountain Lion? I know it can be done on Windows and Linux using the LizardTech command line ...
0
votes
0answers
82 views

QGIS very slow startup on Mac

I am experiencing startup times of c5 minutes (!) for QGIS 1.8 on my Mac Mini with 2.4GHz processors and 8G RAM. I have just 4 python plugins and only a handful of shapefiles/data layers so I can not ...
1
vote
2answers
223 views

Qgis 1.8 is not recognizing sdw file

I'm running qgis 1.8, and trying to load a sid file into my map. It imports fine, but seems to ignore the sdw file that comes with it, as the raster shows up without any apparent georeferencing. Is ...
1
vote
1answer
187 views

How to set the path to shapely?

I am using QGIS 1.8.0 on Mac OS 10.8.3 with python 2.7. Thanks to other threads in the forum, I have successfully installed shapely here: ...
1
vote
1answer
201 views

How to enable label orientation?

Mac OSX 10.6.8 QGIS 1.8.0 : I'm mapping an area that's a rectangle slanted at 26 degrees, and neighbourhood maps are always printed so the rectangle is horizontal. I'm trying to make the labels ...
2
votes
1answer
98 views

With multi-line labels, how to show the 2nd line only for labels that need it?

Mac OSX 10.6.8 QGIS 1.8.0 : I've two columns in the attribute table, name, and name2 for those labels that need to be 2 lines; multiline labelling is checked. But when I use "name"||'\n'||"name2" I ...
3
votes
2answers
385 views

QGIS Field Calculator Results Removed When Saving Edits

Mac OSX 10.6.8 QGIS 1.8.0 : Using the field calculator from the attribute table, the $area of each feature is shown nicely in the table until I try to save it, then all the values are replaced by NULL ...
1
vote
1answer
687 views

QGIS python location problem

It seems that MacPorts installs Python27 in /opt/local, but that MacPorts QGIS updates and uses the Apple Python27 in /Library. The result is that MacPorts additions to Python27 such as OpenCV don't ...
1
vote
0answers
451 views

How to calculate weighted mean coordinates within polygons?

I'm using QGIS 1.8 on OSX 10.8.3. I have a polygon shapefile of all of the US state legislative districts. I also have a layer of points that are centroids of US Census Tracts, with a field for the ...
0
votes
1answer
443 views

How to label each polygon in a layer?

QGIS 1.8.0 Mac OS 10.6.8: I want to label each polygon in a layer in a similar way to this image (done in WP Presentations) and am totally confused by the manual. Obviously I have to find a list of ...
1
vote
1answer
1k views

QGIS can't find osgeo after GDAL upgrade

Mac OS 10.6.8: I installed QGIS 1.8.0 with GDAL 1.8; then another app requires GDAL 1.9 and installed it; now QGIS can't find osgeo [python-gdal]. (I can't find any trace of GDAL 1.8 left in my ...
0
votes
1answer
951 views

How to add the Delimited Text Plugin for QGIS 1.8?

I can't find the Delimited text Plugin- everything keeps telling me it's in the core build, but which core build? the Mac OS variant comes in multiple installers so without programatically unpacking ...
2
votes
2answers
2k views

How to install the Python module shapely for QGIS use?

I'm using QGIS 1.8.0 on a Mac with OSX 10.6.8 (Snow Leopard). I've installed QGIS including GDAL, GSL, UNIXImageIO, Freetype, and Matplotlib all from www.kyngchaos.com. When installing the plugin ...
1
vote
1answer
64 views

QGIS 1.8.0 Mac where is measure window or measure area symbol?

Just trying to measure the area of a selected polygon (a few km2) but can't find out where the measure symbol is (mentioned in some posts here) or how to get the measure window shown in the manual. ...
2
votes
0answers
55 views

QGIS 1.8.0 Mac can't create ring

Can anyone spot what is wrong here? I've selected single feature, the existing rings are obvious, it's not intersecting anything (even a feature in another layer...
2
votes
1answer
326 views

QGIS 1.8.0 on Mac - how to cut/paste/delete?

I have a line vector layer selected, editing is on, I select one vector (a dozen points) with the node select tool so the vertices are red squares. the cut icon is greyed out, command/X does ...
2
votes
1answer
1k views

split features (vector line) problem

Part of a stream is now underground so I'm trying to use split features to break the stream into two pieces. The manual says to select the feature, then the split features icon, then draw a line ...
1
vote
2answers
1k views

Can QGIS (1.8.0 Mac) rotate the entire view of a project?

Can QGIS (1.8.0 Mac) rotate the entire view of a project? that is, have north pointing in a direction other than up on the screen and on output? of course, while still allowing adding new layers etc.
3
votes
3answers
113 views

How to match air photo to existing vector layers on Mac OS?

I'm trying to add an air photo to a project and match it to existing data. CanVec data is mostly based on the old CIA dataset of the 60's and is hopelessly out of date, but the roads are up to date - ...
1
vote
0answers
178 views

QGIS plugin 'sextante' not loading after upgrading to Mac OS X 10.8

Any known issue with sexante and Mac OS X 10.8? After updating from 10.7 and even after reinstalling GDAL sexante is still not working...
3
votes
1answer
613 views

How do I use the GRASS command line tools within QGIS?

How do I use the GRASS command line tools within QGIS? I use the QRASS plugin to open the mapset, and then I open the GRASS tools window. I click on 'GRASS shell' under modules and it brings up a ...
2
votes
1answer
1k views

QGIS Python version

I have brewed python 2.7.3 onto my Mac (Lion), and installed shapely via pip install shapely. The Polygonizer plugin, however, does not find the shapely library. I see when QGIS loads a Python ...