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[McIDAS #YBA-424649]: mcidas question
- Subject: [McIDAS #YBA-424649]: mcidas question
- Date: Wed, 23 May 2012 13:30:38 -0600
Hi Randy,
re: REMAP2-created AREA files on Solaris 5.11 and CentOS 5.5 x86_64
> sure. here they are.
> note, these are really small 1km all 5 bands, remap2 files near Hawaii.
Thanks.
I think that there is a good clue in these files that will help you figure
out where the execution of the code on the different OSes differs.
In order to compare the AREA files you sent, I did the following:
AREA9107_Solaris -> $MCDATA/AREA9107
AREA9107_CentosOS -> $MCDATA/AREA9108
Next, I listed out the header values in the two AREA files using LWU:
First the AREA created on Solaris:
LWU LIST AREA9107 0 100
0. 0 4 HEX: 0 4 ASCII:
2. 184 112144 HEX: B8 1B610 ASCII:
4. 20000 1 HEX: 4E20 1 ASCII: N
6. 1 0 HEX: 1 0 ASCII:
8. 334 112 HEX: 14E 70 ASCII: N p
10. 2 1 HEX: 2 1 ASCII:
12. 1 5 HEX: 1 5 ASCII:
14. 8 0 HEX: 8 0 ASCII:
16. 112144 175351 HEX: 1B610 2ACF7 ASCII:
18. 47 0 HEX: 2F 0 ASCII: /
20. 0 0 HEX: 0 0 ASCII:
22. 0 0 HEX: 0 0 ASCII:
24. 1193301074 5390678 HEX: 47205452 524156 ASCII: RT G VAR
26. 0 0 HEX: 0 0 ASCII:
28. 0 0 HEX: 0 0 ASCII:
30. 0 0 HEX: 0 0 ASCII:
32. 9100 3328 HEX: 238C D00 ASCII: #
34. 256 0 HEX: 100 0 ASCII:
36. 0 0 HEX: 0 0 ASCII:
38. 0 0 HEX: 0 0 ASCII:
40. 0 0 HEX: 0 0 ASCII:
42. 0 0 HEX: 0 0 ASCII:
44. 0 112144 HEX: 0 1B610 ASCII:
46. 20020 311 HEX: 4E34 137 ASCII: 4N 7
48. 0 0 HEX: 0 0 ASCII:
50. 8 1380013639 HEX: 8 52415647 ASCII: GVAR
52. 542589266 2 HEX: 20574152 2 ASCII: RAW
54. 0 0 HEX: 0 0 ASCII:
56. 1380013639 538976288 HEX: 52415647 20202020 ASCII: GVAR
58. 1 0 HEX: 1 0 ASCII:
60. 0 0 HEX: 0 0 ASCII:
62. 2816 2 HEX: B00 2 ASCII:
64. 1413694802 167 HEX: 54434552 A7 ASCII: RECT
66. 225060 56 HEX: 36F24 38 ASCII: $o 8
68. 1565050 90 HEX: 17E17A 5A ASCII: z Z
70. 90 6378388 HEX: 5A 615394 ASCII: Z Sa
72. 81999 0 HEX: 1404F 0 ASCII: O@
74. 0 0 HEX: 0 0 ASCII:
76. 1948283753 1931505519 HEX: 74207369 73206F6F ASCII: is t oo s
78. 1819042157 0 HEX: 6C6C616D 0 ASCII: mall
80. 0 0 HEX: 0 0 ASCII:
82. 0 0 HEX: 0 0 ASCII:
84. 1 1 HEX: 1 1 ASCII:
86. 334 112 HEX: 14E 70 ASCII: N p
88. 0 0 HEX: 0 0 ASCII:
90. 0 0 HEX: 0 0 ASCII:
92. 0 0 HEX: 0 0 ASCII:
94. 0 0 HEX: 0 0 ASCII:
96. 1948283753 1646292847 HEX: 74207369 62206F6F ASCII: is t oo b
98. 26473 0 HEX: 6769 0 ASCII: ig
100. 0 0 HEX: 0 0 ASCII:
--END OF LISTING
Next, the AREA created on CentOS:
LWU LIST AREA9108 0 100
0. 0 4 HEX: 0 4 ASCII:
2. 184 112144 HEX: B8 1B610 ASCII:
4. 20000 1 HEX: 4E20 1 ASCII: N
6. 1 0 HEX: 1 0 ASCII:
8. 334 112 HEX: 14E 70 ASCII: N p
10. 2 1 HEX: 2 1 ASCII:
12. 1 5 HEX: 1 5 ASCII:
14. 8 0 HEX: 8 0 ASCII:
16. 112144 174449 HEX: 1B610 2A971 ASCII: q
18. 47 0 HEX: 2F 0 ASCII: /
20. 0 0 HEX: 0 0 ASCII:
22. 0 0 HEX: 0 0 ASCII:
24. 1193301074 5390678 HEX: 47205452 524156 ASCII: RT G VAR
26. 0 0 HEX: 0 0 ASCII:
28. 0 0 HEX: 0 0 ASCII:
30. 0 0 HEX: 0 0 ASCII:
32. 9100 3328 HEX: 238C D00 ASCII: #
34. 256 0 HEX: 100 0 ASCII:
36. 0 0 HEX: 0 0 ASCII:
38. 0 0 HEX: 0 0 ASCII:
40. 0 0 HEX: 0 0 ASCII:
42. 0 0 HEX: 0 0 ASCII:
44. 0 112144 HEX: 0 1B610 ASCII:
46. 20020 311 HEX: 4E34 137 ASCII: 4N 7
48. 0 0 HEX: 0 0 ASCII:
50. 8 1380013639 HEX: 8 52415647 ASCII: GVAR
52. 542589266 2 HEX: 20574152 2 ASCII: RAW
54. 0 0 HEX: 0 0 ASCII:
56. 1380013639 538976288 HEX: 52415647 20202020 ASCII: GVAR
58. 1 0 HEX: 1 0 ASCII:
60. 0 0 HEX: 0 0 ASCII:
62. 2816 2 HEX: B00 2 ASCII:
64. 1413694802 167 HEX: 54434552 A7 ASCII: RECT
66. 225060 56 HEX: 36F24 38 ASCII: $o 8
68. 1565050 90 HEX: 17E17A 5A ASCII: z Z
70. 90 6378388 HEX: 5A 615394 ASCII: Z Sa
72. 81999 0 HEX: 1404F 0 ASCII: O@
74. 0 0 HEX: 0 0 ASCII:
76. 0 0 HEX: 0 0 ASCII:
78. 0 0 HEX: 0 0 ASCII:
80. 0 0 HEX: 0 0 ASCII:
82. 0 0 HEX: 0 0 ASCII:
84. 1 1 HEX: 1 1 ASCII:
86. 334 112 HEX: 14E 70 ASCII: N p
88. 0 0 HEX: 0 0 ASCII:
90. 0 0 HEX: 0 0 ASCII:
92. 0 0 HEX: 0 0 ASCII:
94. 0 0 HEX: 0 0 ASCII:
96. 0 0 HEX: 0 0 ASCII:
98. 0 0 HEX: 0 0 ASCII:
100. 0 0 HEX: 0 0 ASCII:
--END OF LISTING
Notice that the listings are identical EXCEPT for words 76-78 and
96-98, inclusive. Something in your code is writing "is too small"
and "is too big" into the AREA file header created on Solaris.
I did a 'grep' for "is too small" in all C files in the Unidata
McIDAS-X distribution, and I found three occurrences; I am
guessing that the operative ones are in argerror.c and
m0navget.c:
argerror.c:
/* Define messages for standard arg-fetching error reasons,
corresponding to the following nnnX statuses:
nnn[1] nnn[2] nnn[3] nnn[4] nnn[5]
ARG_INVALID, ARG_INVDEC, ARG_ILLEGAL, ARG_LT, ARG_GT */
char why[10][80] = {
"", /* 0 */
"has invalid xxxxxxx form", /* 1 */
"can't have a fraction", /* 2 */
"exceeds system limits", /* 3 */
"is too small", /* 4 */
"is too big", /* 5 */
"", /* 6 */
"", /* 7 */
"", /* 8 */
"" /* 9 */
};
m0navget.c:
istat = M0swbytnav( mxwds, navblock );
if( istat < 0 ) {
Mcdprintf("M0ReadNavBlock() internal error:\n");
Mcdprintf("Passed %d words to M0swbytnav(), and\n", mxwds);
Mcdprintf("it says that this is too small.\n");
Mcdprintf("Programmer must enlarge buffer in caller of "
"M0ReadNavBlock() or m0nvblk()\n");
return BAD_NAVBLOCK_LEN;
}
Here is how I would proceed:
- rerun the REMAP2 invocation on both OSes, but this time specify the DEV=CCC
keyword so that debug messages will be printed (Mcdprintf is a debug print
statement)
This may (or may not) give you enough clues to track down the
discrepancy.
Comment:
- it is VERY interesting that if you change the "is too small" and
"is too big" values in the AREA header values created under Solaris,
the IMGLIST listing becomes identical to that for the AREA created under
CentOS:
LWU COPY AREA9107 AREA9106
LWU POKE AREA9106 0 76
Value was: 1948283753 HEX: 74207369 ASCII: is t
LWU POKE AREA9106 0 77
Value was: 1931505519 HEX: 73206F6F ASCII: oo s
LWU POKE AREA9106 0 78
Value was: 1819042157 HEX: 6C6C616D ASCII: mall
LWU POKE AREA9106 0 96
Value was: 1948283753 HEX: 74207369 ASCII: is t
LWU POKE AREA9106 0 97
Value was: 1646292847 HEX: 62206F6F ASCII: oo b
LWU POKE AREA9106 0 98
Value was: 26473 HEX: 6769 ASCII: ig
IMGLIST MYDATA/IMAGES.9106 FORM=ALL
Image file directory listing for:MYDATA/IMAGES
Pos Satellite/ Date Time Center Res (km) Image_Size
sensor Lat Lon Lat Lon
--- ------------- ------------ -------- ---- ---- ----- -----
------------
9106 G-15 IMG 23 MAY 12144 02:00:00 22 156
Band: 1 0.62 um VIS Cloud and Surface Features 1.00 0.92 334 x
112
Band: 2 3.9 um IR Low Cloud/Fog,Fire Detection 1.00 0.92 334 x
112
Band: 3 6.5 um IR Mid-level Water Vapor 1.00 0.92 334 x
112
Band: 4 10.7 um IR Surface/Cloud-top Temp 1.00 0.92 334 x
112
Band: 6 13.3 um IR CO2, Cloud Heights 1.00 0.92 334 x
112
proj: 0 created: 2012144 175351 memo: RT GVAR
type:GVAR cal type:RAW
offsets: data= 3328 navigation= 256 calibration= 2816 auxiliary= 0
doc length: 0 cal length: 0 lev length: 8 PREFIX= 8
valcod: 0 zcor: 0 avg-smp: N
start yyddd: 2012144 start time: 20020 start scan: 311
lcor: 1 ecor: 1 bytes per pixel: 2 ss:184
Resolution Factors (base=1): Line= 1.0 Element= 1.0
IMGLIST: done
Please let me know what you find...
Cheers,
Tom
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Ticket Details
===================
Ticket ID: YBA-424649
Department: Support McIDAS
Priority: Normal
Status: Closed
