[svn-r11443] Purpose:

new features

Description:

added support for the scale/offset filter
there is a new filter symbol 'SOFF'
-f SOFF=<scale_factor,scale_type>

scale_factor = integer
scale_type = 'IN' or 'DS'


Solution:

Platforms tested:
Linux
SunOS

Misc. update:

1 files changed, 17 insertions, 5 deletions

diff --git a/tools/h5repack/h5repack_main.c b/tools/h5repack/h5repack_main.c
index 665f8e1..96eb787 100644
--- a/tools/h5repack/h5repack_main.c
+++ b/tools/h5repack/h5repack_main.c
@@ -136,9 +136,12 @@ void usage(void)
  printf("-i input          Input HDF5 File\n");
  printf("-o output         Output HDF5 File\n");
  printf("[-h]              Print usage message\n");
- printf("[-v]              Verbose mode. Print output (list of objects, filters, warnings)\n");
+ printf("[-v]              Verbose mode. Print more output (list of objects,\n");
+	printf("                   filters, warnings)\n");
  printf("[-f 'filter']     Filter type: 'filter' is a string with the format\n");
+	printf("\n");
  printf("     <list of objects> : <name of filter> = <filter parameters>\n");
+	printf("\n");
  printf("     <list of objects> is a comma separated list of object names\n");
  printf("       meaning apply compression only to those objects.\n");
  printf("       if no object names are specified, the filter is applied to all objects\n");
@@ -148,15 +151,24 @@ void usage(void)
  printf("       SHUF, to apply the HDF5 shuffle filter\n");
  printf("       FLET, to apply the HDF5 checksum filter\n");
  printf("       NBIT, to apply the HDF5 NBIT filter (NBIT compression)\n");
+	printf("       SOFF, to apply the HDF5 Scale/Offset filter\n");
  printf("       NONE, to remove the filter\n");
  printf("     <filter parameters> is optional compression info\n");
  printf("       SHUF (no parameter)\n");
  printf("       FLET (no parameter)\n");
  printf("       NBIT (no parameter)\n");
  printf("       GZIP=<deflation level> from 1-9\n");
- printf("       SZIP=<pixels per block,coding> (pixels per block is a even number in 2-32 and coding method is 'EC' or 'NN')\n");
+ printf("       SZIP=<pixels per block,coding>\n");
+	printf("            (pixels per block is a even number in 2-32 and coding method\n");
+	printf("            is 'EC' or 'NN')\n");
+	printf("       SOFF=<scale_factor,scale_type>\n");
+	printf("            (scale_factor is an integer and scale_type is either 'IN'\n");
+	printf("             for integer type, or 'DS', for floating point type\n");
+	printf("             using the D-scaling method)\n");
  printf("[-l 'layout']     Layout type. 'layout' is a string with the format\n");
+ printf("\n");
  printf("     <list of objects> : <layout type>\n");
+ printf("\n");
  printf("     <list of objects> is a comma separated list of object names,\n");
  printf("       meaning that layout information is supplied for those objects.\n");
  printf("       if no object names are specified, the layout is applied to all objects\n");
@@ -169,8 +181,9 @@ void usage(void)
  printf("       <dim_1 x dim_2 x ... dim_n>\n");
  printf("\n");
  printf("-e file           File with the -f and -l options (only filter and layout flags)\n");
- printf("-m number         Do not apply the filter to objects which size in bytes is smaller than number.\n");
- printf("                  If no size is specified a minimum of 1024 bytes is assumed.\n");
+ printf("-m size           Do not apply the filter to objects which size in bytes\n");
+	printf("                   is smaller than number. If no size is specified a minimum of\n");
+ printf("                   1024 bytes is assumed.\n");
  printf("\n");
  printf("Examples of use:\n");
  printf("\n");
@@ -188,4 +201,3 @@ void usage(void)
  printf("\n");
 }
 
-