> g.region -p north: -49312.5 south: -74587.5 west: -3015862.5 east: -2987512.5 nsres: 25 ewres: 25 rows: 1011 cols: 1134 cells: 1146474
>From the region settings you posted previously, I assume that the 1. column is north and the 2. is east, so: > r.in.xyz input=2728AB.ort.grass output=2728AB.ort fs=, x=2 y=1 r.in.xyz complete. 1146370 points found in region. > r.univar map=2728AB.ort total null and non-null cells: 1146474 total null cells: 104 Of the non-null cells: ---------------------- n: 1146370 minimum: 1473.52 maximum: 1618.85 range: 145.33 mean: 1519.76 mean of absolute values: 1519.76 standard deviation: 26.6106 variance: 708.125 variation coefficient: 1.75098 % sum: 1742202717.5849609375 Everything looks ok. Markus M On Mon, Jun 7, 2010 at 12:33 PM, Hanlie Pretorius <[email protected]> wrote: > 2010/6/7, Hamish <[email protected]>: >> Hanlie Pretorius wrote: >>> > I don't think it's this bug because this bug discards only one line of >>> > data. I don't get any data in because the number of coordinate pairs >>> > in the file is less than the number of cells in the defined region. >> Markus Metz: >>> Weird. In 6.4, r.in.xyz does import a file where the number of >>> coordinate pairs is far less than the number of cells in the defined >>> region. (I just did a simple test with two input lines and a region >>> with 26.5 million cells, got clean import and correct result) >> >> >> sorry, I'm not really grasping what the problem is. If you suspect >> there is something weird going on can you make the .xyz.bz2 file >> available for me to download, and supply the output of r.univar >> `wc -l` and `r.in.xyz --verbose`? >> >> >> Hamish >> > Ok, the text file (6.1MB compressed) that I use as input to r.in.xyz > is available at: > http://www.nedbib.za.net/dems/ > > Output of r.in.xyz --verbose: > ----- > Reading data ... > Writing to map ... > r.in.xyz complete. 0 points found in region. > ----- > > Output of r.univar: > ----- > total null and non-null cells: 1146474 > total null cells: 1146474 > > Of the non-null cells: > ---------------------- > n: 0 > minimum: -nan > maximum: -nan > range: -nan > mean: -nan > mean of absolute values: -nan > standard deviation: -nan > variance: -nan > variation coefficient: -nan % > sum: 0 > ----- > > output of wc -l: > 1146370 > > Output of r.info: > ----- > +----------------------------------------------------------------------------+ > | Layer: dem_2728ab_25m Date: Mon Jun 7 12:09:34 2010 > | Mapset: PERMANENT Login of Creator: hanlie > | Location: sa_tm_29deg_E > | DataBase: /media/0847147784/grassdata > | Title: Raw x,y,z data binned into a raster grid by cell mean ( dem_2728 > | Timestamp: none > |---------------------------------------------------------------------------- > | > | Type of Map: raster Number of Categories: 255 > | Data Type: FCELL > | Rows: 1011 > | Columns: 1134 > | Total Cells: 1146474 > | Projection: Transverse Mercator > | N: -49312.5 S: -74587.5 Res: 25 > | E: -2987512.5 W: -3015862.5 Res: 25 > | Range of data: min = -nan max = -nan > | > | Data Source: > | /media/0847147784/data/CD-NGI/DEMS/25m dems/2728/ab/2728AB.ort.grass > | > | > | Data Description: > | generated by r.in.xyz > | > | Comments: > | r.in.xyz input="/media/0847147784/data/CD-NGI/DEMS/25m dems/2728/ab/\ > | 2728AB.ort.grass" output="dem_2728ab_25m" method="mean" type="FCELL"\ > | x=1 y=2 z=3 zscale=1.0 percent=100 > ----- > > Thanks > Hanlie > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
