[GRASSLIST:924]

[Nagaraj Thanushkodi]

Hi All,

I am trying to process 2GB Ascii raster in Terraflow module with GRASS
version 6.1.cvs.

But it showing following error.



"r.terraflow elev=newdata filled=fill direction=fdir swatershed=sws
accumulation=facc tci=tci d8cut=infinity memory=300 STREAM_DIR=/var/tmp
stats=stats.out -s
r.terraflow December 2003
region size is 19954 x 21199
cell newdata header compatible with region header
elevation stored as FLOAT (4B) WARNING: raster newdata is of type CELL_TYPE
--you should use r.terraflow.short

STREAM temporary files in /var/tmp  (THESE INTERMEDIATE STREAMS WILL NOT BE
DELETED IN CASE OF ABNORMAL TERMINATION OF THE PROGRAM. TO SAVE SPACE
PLEASE DELETE THESE FILES MANUALLY!)
SFD (D8) flow direction
D8CUT= 999999986991104.000000
memory size: 300.00M (314572800) bytes
Memory manager registering memory in MM_WARN_ON_MEMORY_EXCEEDED mode.
reading data from newdata to stream /var/tmp/STREAM_n3rZJr:

total elements=423004846, nodata elements=153409740
largest temporary files:
   FILL: 22.06G (23688271376) [423004846 elements, 56B each]
   FLOW: 20.09G (21567608480) [269595106 elements, 80B each]
Will need at least 44.12G (47376542752) space available in /var/tmp
------------------------------
COMPUTING FLOW DIRECTIONS
classifying nodata (inner & boundary)
finding nodata
relabeling nodata
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17734B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17765B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17796B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17827B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17858B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17889B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17920B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17951B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
17982B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
18013B.
MM warning: limit=314572800B. allocating 157179492B.  limit exceeded by
18044B.
MM warning: limit=314572800B. allocating 157117944B.  limit exceeded by
24102B.
merging relabeled grid
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17734B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17765B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17796B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17827B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17858B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17889B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17920B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17951B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
17982B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
18013B.
MM warning: limit=314572800B. allocating 157138452B.  limit exceeded by
18044B.
----------
assigning preliminary directions
----------
finding flat areas (plateaus and depressions)
plateau.cc:starting memscan
plateau.cc:memscan done
removing duplicate plateaus
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17726B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17757B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17788B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17819B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17850B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17881B.
relabeling plateaus
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17718B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17749B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17780B.
MM warning: limit=314572800B. allocating 157138456B.  limit exceeded by
17811B.
generating plateau statistics
MM warning: limit=314572800B. allocating 156974296B.  limit exceeded by
17718B.
MM warning: limit=314572800B. allocating 156974296B.  limit exceeded by
17749B.
MM warning: limit=314572800B. allocating 156974296B.  limit exceeded by
17780B.
MM warning: limit=314572800B. allocating 156974296B.  limit exceeded by
17811B.
----------
assigning directions on plateaus
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14518B.
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14549B.
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14580B.
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14611B.
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14642B.
MM warning: limit=314572800B. allocating 157220512B.  limit exceeded by
14673B.
--------------
generating watersheds and watershed graph
creating windows
warning: using slower scan
r.terraflow: 3scan.h:163: void scan3line(FUN&, AMI_STREAM<T>*,
AMI_STREAM<T>*, AMI_STREAM<T>*, BASETYPE, dimension_type) [with T =
waterGridType, BASETYPE = waterWindowBaseType, FUN = waterWindower]:
Assertion `ae == AMI_ERROR_END_OF_STREAM' failed.


 Any one can help?

Regards

Nagaraj