<
address@hidden> wrote:
>
http://parchive.sourceforge.net/
> The technology is based on a 'Reed-Solomon Code' implementation that
> allows for recovery of any 'X' real data-blocks for 'X' parity
> data-blocks present. (Data-blocks referring to files OR much smaller
> virtual slices of files).
>
> On Wed, Jan 6, 2010 at 9:10 PM,
address@hidden
> <
address@hidden> wrote:
>> I found three libs,
>>
>>
https://sourceforge.net/projects/rscode/develop
>>
http://www.ka9q.net/code/fec/
>>
http://www.schifra.com/
>>
>> What about first a tool to just extract the RS blocks into a file
>> that can be processed externally?
>>
>>
>> On Wed, Jan 6, 2010 at 8:58 PM, Felipe Sanches <
address@hidden> wrote:
>>> we would ideally use a reed-solomon library to do that.
>>>
>>> On Wed, Jan 6, 2010 at 5:57 PM, Felipe Sanches <
address@hidden> wrote:
>>>>
>>>> I asked myself this question when I reached this part of the DWG R2007
>>>> header parsing. At that time I concluded that the answer was: learn how
>>>> ReedSolomon encoding works. I tried. I understood it partially, but I havent
>>>> yet been able to properly decode it. Be welcome to try!
>>>>
>>>> Felipe
>>>>
>>>> On Wed, Jan 6, 2010 at 5:27 PM, James Michael DuPont
>>>> <
address@hidden> wrote:
>>>>>
>>>>> URL:
>>>>> <
http://savannah.gnu.org/bugs/?28502>
>>>>>
>>>>> Summary: help
>>>>> Project: LibreDWG
>>>>> Submitted by: mdupont
>>>>> Submitted on: Wed 06 Jan 2010 08:27:50 PM CET
>>>>> Category: None
>>>>> Severity: 3 - Normal
>>>>> Item Group: None
>>>>> Status: None
>>>>> Privacy: Public
>>>>> Assigned to: None
>>>>> Open/Closed: Open
>>>>> Discussion Lock: Any
>>>>>
>>>>> _______________________________________________________
>>>>>
>>>>> Details:
>>>>>
>>>>> here is a file we want to convert :
>>>>>
http://www.gimnechiske.org/files/Planimetria_de_Vitoria.dwg
>>>>>
>>>>>
>>>>> Here is the output :
>>>>> This file's version code is: AC1021
>>>>> WARNING: This version of LibreDWG is only capable of properly decoding
>>>>> version R2000 (code: AC1015) dwg-files.
>>>>> This file's version code is: AC1021
>>>>> This version is not yet actively developed.
>>>>> It will probably crash and/or give you invalid output.
>>>>> 5 bytes of 0x00: 0x00 0x00 0x00 0x00 0x00
>>>>> Unknown: 0x19
>>>>> Byte 0x00, 0x01, or 0x03: 0x03
>>>>> Preview Address: 0x00000D20
>>>>> DwgVer: 27
>>>>> MaintRelease: 25
>>>>> Codepage: 30
>>>>> Unknown: 0x00 0x1B 0x19
>>>>> SecurityType: 0x00000000
>>>>> Unknown long: 0x00000000
>>>>> DWG Property Addr: 0x00000C80
>>>>> VBA Project Addr: 0x00000000
>>>>> 0x00000080: 0x00000080
>>>>> Application Info Address: 0x0000A380
>>>>> Reed-Solomon(255,239) encoded section:
>>>>>
>>>>> dc 0 0 d5 20 85 1 0 8 85 0 5 44 2 81 e5 0 40 f6 70 c7 45 60 6f
>>>>> 4f 4
>>>>> a a 60 3 5f 8c 82 43 67 68 30 2 b 49 49 66 53 0 92 d4 1 a0 62 b5
>>>>> 5f 6f
>>>>> c7 11 6 3a 81 92 30 7f 1d 36 2 db 4b 83 83 45 e0 35 5 6f ac d3 a 0
>>>>> 77 14
>>>>> 0 8 52 0 2 78 0 b 19 0 5 38 0 d 67 0 0 1 20 85 80 0 8 7f 0
>>>>> 5
>>>>> 8 2 81 87 0 40 19 70 c7 20 60 6f 7e 4 a 9 60 3 40 8c 82 77 67 68 0
>>>>> 2
>>>>> b 2 49 66 f8 0 92 37 1 a0 8c b5 5f 50 c7 11 6d 3a 81 d2 30 7f a4 36 2
>>>>> 17
>>>>> 4b 83 0 45 e0 a6 5 6f 60 d3 a 9 77 14 4 8 52 77 2 78 9 b 19 1
>>>>> 5 38
>>>>> 77 d 67 1 0 1 e 85 80 77 8 7f 0 5 8 2 81 87 72 40 19 64 c7 20
>>>>> 7b 6f
>>>>> 7e c2 a 9 d9 3 40 d5 82 77 96 68 0 da b 2 45 66 f8 f0 92 37 60 a0
>>>>> 8c 9
>>>>> 5f 50 7f 11 6d 77 81 d2 29 7f a4 7e 2 17 77 83 0 2 e0 a6 c7 6f 60 f4
>>>>> a 9
>>>>> 67 14 4 8 52 77 0 78 9 13 19 1 9d 38 77 ef 67 1 f9 1 e e5 80 77
>>>>> 11 7f
>>>>> 0 b6 8 2 10 87 72 76 19 64 8 20 7b 4 7e c2 2 9 d9 91 40 d5 8 77 96
>>>>> 3
>>>>> 0 da 93 2 45 0 f8 f0 1 37 60 6 8c 9 0 50 7f 4f 6d 77 87 d2 29 10 a4
>>>>> 7e
>>>>> 79 17 77 20 0 2 66 a6 c7 0 60 f4 f 9 67 1 4 8 62 77 0 df 9 13
>>>>> a0 1
>>>>> 9d bf 77 ef d 1 f9 ff e e5 db 77 11 36 0 b6 9e 2 10 b7 72 76 5 64
>>>>> 8 75
>>>>> 7b 4 5b c2 2 77 d9 91 55 d5 8 bb 96 3 19 da 93 c5 45 0 c f0 1 42
>>>>> 60 6
>>>>> 46 9 0 6d 7f 4f 58 77 87 c7 29 10 0 7e 79 0 77 20 0 2 66 0 c7 0
>>>>> e9 f4
>>>>> f 6f 67 1 b5 8 62 4c 0 df b2 13 a0 64 9d bf eb ef d e7 f9 ff d7 e5 db
>>>>> 72
>>>>> 11 36 98 b6 9e e5 10 b7 a7 76 5 c1 8 75 64 4 5b be 2 77 1d 91 55 b3
>>>>> 8 bb
>>>>> e4 3 19 f0 93 c5 db 0 c b8 1 42 e7 6 46 fb 0 6d 3e 4f 58 85 87 c7
>>>>> 3f 10
>>>>> 0 92 79 0 b3 20 0 ac 66 0 0 0 dc a6 f d5 dd 1 1 da 62 85 85 df 44
>>>>> 3f
>>>>> a0 e5 3a bf f6 9e d 45 fa ff 4f e9 db a 87 36 5f ed 9e 43 1b b7 30 ce
>>>>> 5 49
>>>>> 1f 75 53 59 5b d4 bc 77 62 71 55 6f e2 bb 6 36 19 92 d2 c5 1d c2 c db
>>>>> d2 42
>>>>> 83 f 46 35 75 6d ac c8 58 0 83 c7 0 16 0 0 5d 0 0 56 0 0 59 0
>>>>> 0 73
>>>>> dc 0 53 d5 20 59 1 0 c8 85 0 99 44 2 e e5 0 2e f6 70 f9 45 60 b3
>>>>> 4f 4
>>>>> 86 a 60 90 5f 8c 19 43 67 55 30 2 53 49 49 eb 53 0 55 d4 1 7d 62 b5
>>>>> 21 6f
>>>>> c7 bc 6 3a 67 92 30 2 1d 36 ab db 4b 46 83 45 53 35 5 88 ac d3 8a 0
>>>>> 77 7e
>>>>> 0 8 70 0 2 aa 0 b d9 0 5 61 0 d ac e5 f5 56 57 fc 17 de da 31 6b
>>>>> 55
>>>>> 5d 9c b8 92 35 9 d2 7c a9 ff 3d 34 8a fb 92 7 ef 88 7 21 47 3a 11 31
>>>>> 64 6c
>>>>> 27 21 d0 f9 44 c8 4a 91 87 6e f9 e9 6f b5 4c b2 64 eb e7 d7 72 98 e5 a7
>>>>> c1 64
>>>>> be 1d b3 e4 f0 db b8 e7 fb 3e 85 3f 92 b3 ac 0 a6 dd da 85 3f 3a 9e fa
>>>>> e9 87
>>>>> ed 1b ce 1f 59 bc 71 e2 36 d2 c2 d2 f 75 c8 83 16 5d 56 59 73 53 59 c8
>>>>> 99 e
>>>>> 2e f9 b3 86 90 19 55 53 eb 55 7d 21 bc 67 2 ab 46 53 88 8a 7e 70 aa d9
>>>>> 61 ac
>>>>> b7 2d 6c 59 c 10 27 36 80 5f e2 3 f2 bc 48 e5 8c 1c 46 10 9a e5 fa 9c
>>>>> f4 8e
>>>>> 16 aa fd 91 e7 cc 84 f7 b8 66 a3 5b f9 fa 83 5b 7f 29 65 99 b8 1a ed d5
>>>>> d3 1
>>>>> ec f7 16 8a a5 23 9d ce 16 5e f9 8 b4 ed d7 7f eb 6e f6 15 44 2c 56 e
>>>>> 90 71
>>>>> fc 4c ca 3f cb 57 18 98 2f 80 29 69 8a 78 f2 41 dd b6 7d 25 1b fe fe a
>>>>> fe 2
>>>>> ff b6 d1 97 24 b1 10 c6 3e 99 16 52 ba 77 2c 8f 64 30 4e 3c aa c9
>>>>>
>>>>> Decoding of DWG version R2007 header is not fully implemented yet.
>>>>> Failed to decode file:
>>>>> ../../openstreetmap/brazil/Planimetria_de_Vitoria.dwg
>>>>>
>>>>>
>>>>> please help.
>>>>> What do I have to do to get this working?
>>>>>
>>>>> mike
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________________
>>>>>
>>>>> Reply to this item at:
>>>>>
>>>>> <
http://savannah.gnu.org/bugs/?28502>
>>>>>
>>>>> _______________________________________________
>>>>> Message sent via/by Savannah
>>>>>
http://savannah.gnu.org/
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>