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Error Reading Mapset Grass


be defined for C libraryStandard messages sandboxDB messagesGeneral messagesRaster messages3D raster messagesVector messagesDiscussionSystematic ApproachParameters and flagsVerbosity levelsCurrent abstract conceptProposalModificationDiscussionAlternative abstract concept Message Standardization How should Errors/Warnings/Messages be formatted Only user derived variables should be bracketed, not GRASS derived variables, for example: Yes: Creating raster map <%s>. Pass 1 qgis grass tutorial of 7 ... No: Creating map <%s>. Pass [1] of [7] ... qgis grass plugin strings < > - raster, vector maps, group names, etc., e.g. Raster map <%s> not found strings ' '

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- paths, SQL queries, etc., e.g. File '%s' not found Unable to create table: '%s' Discussion The [bracketed] parenthetical disrupts the flow of the phrase and doesn't help enhance clarity of meaning. IMHO,

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this reads better without [] brackets: "Line %d deleted." [] Brackets should be used when value is outside of the phrase: "Unknown line [%d]". --HB Statistics symbol number of code lines (2007-04-11) 2008-02-14 (6.3svn) 2009-08-02 (7.0svn) 2013-06-21 (7.0svn) <%s> 637 1406 1935 2398 [%s] 690 427 222 189 '%s' 354 370 537 689 <%d> 12 7 11 18 [%d] 207 13 137 136 '%d' 3 1 qgis grass download 1 3 TYPES="<%s> \[%s\] '%s' <%d> \[%d\] '%d'" for TYPE in $TYPES ; do NUM_HITS=`grep -rI "$TYPE" * | grep -v '/.svn/\|^dist.i686-\|locale/po/' | wc -l` echo "$TYPE $NUM_HITS" done Macros to be defined for C library MSG_RASTER_NOT_FOUND_IN_MAPSET - "Raster map <%s> not found in <%s>" MSG_CANNOT_OPEN_RASTER - "Unable to open raster map <%s>" MSG_CANNOT_OPEN_FILE - Unable to open file <%s> Note: Problem with xgettext package. How to use macros to work with xgettext? Standard messages sandbox First letter should be capitalized Use the present tense (cannot instead of could not; better: unable to; even better: avoid the issue altogether by rewording like "File not found.") Avoid contractions (cannot instead of can't) Good sentence construction ("Cannot find input map <%s>" instead of "It could not be find input map <%s>"; possibly better: "Input map <%s> not found.") Be consistent with periods. Either end all phrases with a period or none. Without periods the translators save also some time Complete sentences or all parts of a message with multiple sentences should end with periods. Short phrases should not. Punctuated events, such as errors, deserve a period. e.g. "Operation complete." Phrases which imply ongoing action look odd

6 Toolbox 1.3.1 Example: Aspect map from DEM 1.3.2 Example: Cleaning of topology of a SHAPE file using the GRASS Toolbox 1.4 Using GRASS via Sextante/Processing in QGIS 1.5 Setting the

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database backend connection to SQLite 1.6 Running on Mac OSX 1.7 Further reading and qgis 2.14 grass video tutorials QGIS GRASS Cookbook The GRASS Cookbook (GCB) is a collection of recipes for typical GIS tasks which can grass mapset be accomplished with GRASS plugin in QGIS. The recipes can be tried in any order but it is recommended to go through the Getting started section first. Each recipe can be reproduced with publicly https://trac.osgeo.org/grass/wiki/MessageStandardization available demo dataset. The cookbook presumes that the user has QGIS with the GRASS GIS plugin installed (and GRASS GIS plugin enabled in QGIS) and that s/he knows QGIS basics. Note: as alternative, there is the Sextante-GRASS GIS support in QGIS available since 2012 which offers a simplified integration with respect to the toolbox explained here. GRASS Toolbox in QGIS All the recipes (except some in Getting started https://grasswiki.osgeo.org/wiki/QGIS_GRASS_Cookbook section) requires open existing mapset (you can learn that in the OpenMapset section how to open a mapset). If a recipe has input maps in header it is expected that the maps are displayed in QGIS (you can learn that in the DisplayMap section how to display a map). The requested input maps are described in form 'map@mapset' which is the standard GRASS notation. The information about effort (number of clicks and key strokes per each recipe) is only approximate. Demo datasets: North Carolina + Spearfish: get ZIP for Windows users, TAR for Linux/Mac users Getting started Display Map (18 clicks) Create new Mapset (13 clicks, 5 keystrokes) Open existing Mapset (12 clicks) Using GRASS Toolbox (11 clicks, 6 keystrokes) Displaying GRASS Maps Objective: Display GRASS maps in QGIS Dataset: Spearfish Effort: 18 clicks By: Radim Blazek In GRASS Toolbox click on Add GRASS raster layer tool In Select GRASS raster layer dialog which opens: (screenshot) click on Browse button and in the standard file dialog select the director where you extracted Spearfish demo dataset. For example, if you extracted Spearfish package in directory C:\gdata\ (so that path to the dataset directory is C:\gdata\spearfish) select C:\gdata\ directory. The Location combobox will populate wit

Python Scripts 3.5 OpenMPI 3.6 MPI Programming 3.7 GPU Programming 4 Cluster and Grid computing 4.1 Grid Engine 4.1.1 The Grid Engine script 4.1.2 The GRASS worker script 4.1.3 Launching a single job 4.1.4 Launching many jobs 4.2 Torque https://grasswiki.osgeo.org/wiki/Parallel_GRASS_jobs (PBS) Resource Manager 4.3 OpenMosix 5 Cloud computing 6 GRASS GIS on VPS 7 Hints https://lists.osgeo.org/pipermail/grass-user/2008-February/043169.html for NFS users 8 Error: Too many open files 9 Misc Tips & Tricks 10 See also Parallel GRASS jobs NOTE: GRASS 6 libraries are NOT thread safe (except for GPDE, see below). GRASS doesn't perform any locking on the files within a GRASS database, so the user may end up with one process reading a file while another process is qgis grass in the middle of writing it. The most problematic case is the WIND file, which contains the current region, although there are others. If a user wants to run multiple commands concurrently, steps need to be taken to ensure that this type of conflict doesn't happen. For the current region, the user can use the WIND_OVERRIDE environment variable to specify a named region which should be used instead of the WIND file. Or the user can qgis grass plugin use the GRASS_REGION environment variable to specify the region parameters (the syntax is the same as the WIND file, but with newlines replaced with semicolons). With this approach, the region can only be read, not modified. Problems can also arise if the user reads files from another mapset while another session is modifying those files. The WIND file isn't an issue here, nor are the files containing raster data (which are updated atomically), but the various support files may be. See below for ways around these limitations. Background This you should know about GRASS' behaviour concerning multiple jobs: You can run multiple processes in multiple locations (what's that?). Peaceful coexistence. You can run multiple processes in the same mapset, but only if the region is untouched. If you are unsure, it's recommended to launch each job in its own mapset within the location. You can run multiple processes in the same location, but in different mapsets. Peaceful coexistence. Approach Essentially there are at least two approaches of "poor man" parallelization without modifying GRASS source code: split map into spatial chunks (possibly with overlap to gain smooth results) time series: run each map elaboration on a different node. See the Parallelizing Scripts wiki page Working with tiles Huge map reprojection example: Q: I'd like to try splitting a large raster into small chunks and then projecting each on

sorted by: [ date ] [ thread ] [ subject ] [ author ] On Wed, 2008-02-06 at 08:13 +0100, Frank Broniewski wrote: > I just want to confirm this 'behavior' with GRASS installed from Repositories > on a Ubuntu 7.10 machine. We had the same error recently. > > GRASS had been installed and started with the -gui parameter. Creating a > location within the homefolder fails for the same reasons already given > below. > > However we were able to create a new location with the text based version of > GRASS, but some of the gis.m modules (like the map window) cannot be used. As > far as I remember, it gives some errors about region extend not being able to > read. I would have to ask my colleague for details. > > Nearly two years back, I had the same problem and I found some kind of > solution. I posted this on the list in year 2006. You can find the according > threads here: > http://www.nabble.com/-GRASS-user--Can't-create-location-td5691835.html > > It had something to do with write permissions on the tmp directory where GRASS > creates the location. YES... that's it! Sorry for not reading this before.. I just replied to Hamish. Ohhhhhhh... it's annoying :-| Things like that happen ONLY when they should not... ! It's the deamon that brakes things for which you are absolutely sure that work ;-) Or... it's just our selective memory, emphasizing more on negative experiences so we forget the positive one's. > > Hope this helps I am checking it right away. > > Frank > > > On Wednesday 06 February 2008 04:13:15 Hamish wrote: > > nikos.alexandris wrote: > > > Thanks for the quick reply. I need it cause we try to > > > explore GRASS with a couple of friends and we got stuck on that(!) > > > > > > First of all: > > > >grass > > > > > > Cleaning up temporary files..... > > > Starting GRASS ... > > > ERROR: MAPSET PERMANENT - permission denied > > > > > > Then any other attempt to create a LOCATION ends-up with > > > exiting GRASS saying to re-log and find the newly created LOCATION... > > > which is not there of course. > > > > > > I try to edit manually .grassrc6 but still no luck with the > > > LOCATION creation. > > > > if data was copied from a CD make sure that the GRASS database, > > locations, etc. have been given back write permissions, recursively. > > (the filesystem cares) > > > > also check that the current user owns the mapset you are trying to > > loa


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