Current Server Time: 10:09 (Central Europe)

#apertus IRC Channel Logs

2013/12/11

Timezone: UTC


23:03
dmj_nova
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01:47
jucar
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02:32
jucar
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04:34
Bertl
night everyone!
07:55
S3bastian
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07:57
S3bastian
good morning
08:43
Bertl
morning everyone!
09:00
Bertl
troy_s: new raw images (from the 'perfect' sensor) can be found under http://vserver.13thfloor.at/Stuff/AXIOM/RAW/
09:02
Bertl
They are all starting with 'scene', those with _c in the name feature the IT8 chart in a non-reflective position within that scene
09:03
Bertl
lowlight means diffuse/ambient tungsten lighting, while halogen means two halogen spots, one from each side
09:03
S3bastian
Bertl: I want to summarize the raw16 file specifications on the wiki, its 16 bit monochrome starting from top/left, right? any header? are the sensor registers embedded at the end?
09:05
Bertl
no header, big endian, 16bit (12msb padded with 4lsb zeroes)
09:06
Bertl
starting at the top left, with 3072 rows of 4096 columns
09:06
Bertl
the data is in bayer pattern RG/GB and has the register dump appended
09:08
S3bastian
thanks
09:10
S3bastian
and the appended registers are 128x32bit (though their are 16bit) right?
09:10
Bertl
128 x 16bit, big endian as well
09:11
S3bastian
ok
09:13
Bertl
the 32bit memory layout is not really relevant, if I had known that it would confuse the hell out of so many people, I wouldn't have picked it
09:13
Bertl
for all practical purposes it just means that you multiple the register index by 4 instead of 2 when reading or writing the registers directly to the SPI memory locations
09:14
S3bastian
https://wiki.apertus.org/index.php?title=RAW16
09:15
Bertl
byte oder Mac vs IBM PC is heavy and mostly wrong
09:15
Bertl
btw, you probably want to select Mac there, despite the fact that all new Macs use little endian
09:16
Bertl
intel is little endian, power PC was traditionally big endian, and arm is both
09:19
S3bastian
if I select mac the image is only noise
09:19
S3bastian
if I select IBM I see the color chart
09:20
Bertl
okay, then it is just completely wrong I guess :)
09:21
Bertl
(or we are not writing big endian, let me check that)
09:23
Bertl
no, we are big endian :) very strange, PCs never used big endian
09:48
Bertl
but probably as photoshop was Mac first, IBM PC just means 'swap'
10:06
sasha_c
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10:24
horst
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10:25
Bertl
wb sasha_c! wb horst!
10:25
sasha_c
thanks Bertl :)
10:26
horst
Hi.
10:43
jucar
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jucar
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horst
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sasha_c
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S3bastian
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14:58
Bertl
off for a nap ... bbl
16:18
se6astian
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16:23
se6astian
testing: < > &&%$§, just ignore these lines
16:40
jucar
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jucar
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19:56
Bertl
back now ...
21:26
se6astian
time for bed
21:26
se6astian
good night!
21:26
se6astian
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