every digital cam its own files or openraw ?
Access to the raw image data provides more control over the process of creating a final image. Public documentation of RAW file formats makes it easier for alternative processing software to be developed. This will give photographers more options to realize their creative vision
Most image processing software is tailored to one type of workflow, but the needs of photographers vary widely. News photographers may need to batch process a large number of images in a short time while fine art photographers may spend hours with each photo fine tuning incredible details. Only open RAW file formats allow 3rd party developers to create the wide variety of image processing software necessary to allow all photographers to work effectively.
Many photographers already have extensive archives of RAW files but are just now realizing the risk of using RAW formats as their primary archival storage. No one can predict how long a particular RAW file will be supported by a camera manufacturer (not even the company itself). If the format of a RAW file is not documented publicly, how can the owner of the file be assured of its long term value and usability? Open documentation of RAW file formats does not guarantee that software will be available to process the RAW files of the past, but it makes it more likely. Open documentation will encourage the creation of backwards-compatible software even after official support is dropped or the camera manufacturer ceases business.
With over 100 RAW format types, reverse-engineering every type has become a daunting task. Developers of cataloging, archiving and processing software are required to spend valuable resources decoding and interpreting the proprietary formats. Additionally, most image file formats allow for extra data that can be used to organize and describe images. This data is critical for efficient workflow in many sectors of the photography business. Due to lack of documentation, however, many developers restrict the addition of extra data by their software because of the real risk of making the file unreadableand another proof is the whole discussion about the encryption of some raw files so photoshop can't treat them http://photoshopnews.com/?p=226