[GRASS-user] Difference in sunset/sunrise time between r.sun and r.sunmask

2012-01-02 Thread Büro Seling
Dear Group! Happy New Year @all! I work on a Linux GRASS 6.4.2 RC1. The area of interest is in central Europe and the projection is WGS84(EPSG:4326). When I use the r.sun module and let it show the sunset/sunrise time and compare it with the sunset/sunrise from a map created with

Re: [GRASS-user] Difference in sunset/sunrise time between r.sun and r.sunmask

2012-01-02 Thread Stephen Sefick
If you use R there is a sunrise.set function in the StreamMetabolism package (shameless promotion). That may be helpful. Stephen Sefick On 01/02/2012 06:57 AM, Büro Seling wrote: Dear Group! Happy New Year @all! I work on a Linux GRASS 6.4.2 RC1. The area of interest is in central Europe

Re: [GRASS-user] Difference in sunset/sunrise time between r.sun and r.sunmask

2012-01-02 Thread Büro Seling
Am 02.01.2012 16:19, schrieb Stephen Sefick: If you use R there is a sunrise.set function in the StreamMetabolism package (shameless promotion). That may be helpful. Stephen Sefick On 01/02/2012 06:57 AM, Büro Seling wrote: Dear Group! Happy New Year @all! I work on a Linux GRASS 6.4.2

Re: [GRASS-user] GRASS doesn't find rasters after renaming mapset

2012-01-02 Thread Markus Neteler
Hi Daniel, On Mon, Jan 2, 2012 at 2:19 AM, Daniel Lee l...@isi-solutions.org wrote: Hi there, Happy New Year's first of all :) Something strange is happening when I rename mapsets. When renaming a mapset, remember to update the SEARCH_PATH file since it contains the mapset name. This is a

Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-02 Thread Markus Neteler
2012/1/2 sgw00...@nifty.com: Dear Markus and all Of course - the vector is just used to find the target area of the raster map. Yes, I understood it. Thanks. So, at web site grass manual, I found 'r.resamp.interp' command. When I would like to create this under same datum and projection

Re: Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-02 Thread sgw00412
Dear Markus and all Thank you for your useful advice. no, it should be r.resamp.stats: http://grass.osgeo.org/wiki/Interpolation#Resampling_of_raster_maps_to_coarse r_resolution I visited this site and checked 'finer', 'coarser' and 'sparse'. My case is 'coarser' (90m - 500m), so it should be