Help needed IXUS870 - RAW Shooting and Processing - CHDK Forum
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Help needed IXUS870

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Offline qap15

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Help needed IXUS870
« on: 04 / June / 2009, 19:18:58 »
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I have installed the CHDK and tried taking pictures in RAW format, my problem is that when i download the RAW files from the Camera, i cannot open them using any program, despite the fact that the files have an ending *.CR2. What i'm i doing wrong.
Im new in this forum so bare with my mistakes
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Offline reyalp

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Re: Help needed IXUS870
« Reply #1 on: 04 / June / 2009, 19:22:32 »
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Offline qap15

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Re: Help needed IXUS870
« Reply #2 on: 05 / June / 2009, 16:43:47 »
I have tried most of the programs named in the two links above, but they don't recognize the files, something must be wrong, i just don't know what.
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Offline fe50

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  • IXUS50 & 860, SX10 Star WARs-Star RAWs
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Re: Help needed IXUS870
« Reply #3 on: 06 / June / 2009, 08:02:02 »
Quote from: qap15 on 05 / June / 2009, 16:43:47
I have tried most of the programs named in the two links above, but they don't recognize the files, something must be wrong, i just don't know what.
You should enable the CHDK DNG support, then your cam will produce ready-to-use DNG RAW files: -> guidance (if the .DNG filename extension is enabled, you probably can't transfer the files with the USB connection, use a card reader to transfer the .DNG files).

Most apps can't (yet) work with the 12bit CHDK RAW's directly; to open/convert this RAW files you need a software which supports them, e.g. DCRAW since version 8.94.

So you can convert the CRW's / CR2's to the PPM format with DCRAW, most apps like PS, XNView etc. supports the PPM format.

If you're working with MS Windows, you'll find compiled binaries here: http://www.insflug.org/raw/Downloads/

The latest UFRaw version 0.15 don't support the new RAWs since it is based on DCRAW 8.89 - but i guess within some weeks there will be a new UFRaw version available, then we could open the new CRW's directly in GIMP with an updated UFRaw plugin...
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