Opened 15 years ago

Closed 14 years ago

#18 closed defect (wontfix)

Conversion bug--jpeg tiff bmp hdf input and out do not match

Reported by: anonymous Owned by:
Priority: major Milestone:
Component: conversion Version: 8.0
Keywords: Cc:
Complexity: Medium

Description (last modified by cj)

Test by:Conversion_Test.sh at Thu Oct 29 10:59:34 CET 2009


creating collection …
rasdaman error 955: (no explanation text available - cannot find/load file with standard error messages.)
Error creating collection tmp
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:7211]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 7212

extracting collection …
comparing images
images/mr_1.jpeg mr_1.jpeg.unknown differ: byte 26, line 1
input and output does not match


creating collection …
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:33759]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 33760

extracting collection …
comparing images
images/mr_1.tif mr_1.tif.unknown differ: byte 1, line 1
input and output does not match
dropping collections …


creating collection …
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:22687]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 22688

extracting collection …
comparing images
input and output match
dropping collections …


creating collection …
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:55093]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 55094

extracting collection …
comparing images
images/mr_1.bmp mr_1.bmp.unknown differ: byte 3, line 1
input and output does not match
dropping collections …


creating collection …
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:54174]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 54175

extracting collection …
comparing images
input and output match
dropping collections …


creating collection …
inserting collection …
GMarray

Oid……………….:
Type Structure……..:
Type Schema………..: marray< char >
Domain…………….: [0:56862]
Base Type Schema……: char
Base Type Length……: 1
Data format………. : Array
Data size (bytes)…. : 56863

extracting collection …
comparing images
images/mr_1.hdf mr_1.hdf.unknown differ: byte 56840, line 869
input and output does not match
dropping collections …
test done at Thu Oct 29 10:59:47 CET 2009
Total conversions: 6
Successful conversion number: 2
Failed conversion number: 4

Change History (1)

comment:1 by cj, 14 years ago

Description: modified (diff)
Resolution: wontfix
Status: newclosed

comparing binary outputs in the case of conversion does not prove anything. We use libraries which do lossy conversion in order to save space so natuaraly some pixels will be different. The only way to prove that something is wrong is to actually look at the picture and point out the error.

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