Re: Can't rotate some Pentax DS images
- From: ASAAR <caught@xxxxxx>
- Date: Thu, 14 Sep 2006 11:23:16 -0400
On 14 Sep 2006 06:39:56 -0700, Andy wrote:
I have a Pentax istDS with 2.00 firmware. I used to only shot raw but
have recently used best quality JPG. Some JPG images that are shot
with the camera vertical cannot be rotated with Explorer in Windows XP
home. Other images on the same SD card can be rotated. If the non
rotatable image file is opened and saved to the same or different file
name it can be rotated by Explorer. The non rotatable images can also
be rotated in the camera and then they can be rotated by Explorer.
Error mesage is "You cannot rotate this image. The file might be in use
or open in another program, or the file or folder might be read only"
It appears that camera is sometimes creating image files that are
incompatible with windows explorer. I found a reference to this
problem at:
http://groups.google.com/group/microsoft.public.windowsxp.photos/browse_frm/thread/536110b1eddbc4f3/e8796cc089218d42%23e8796cc089218d42
but there is no answer.
Has anyone in this group seen the problem and, if so, is there a known
cause or solution.
I looked at the link you provided and somewhere in it I found a
mention of Windows Picture and Fax Viewer, so I tried opening and
viewing several JPG images using that program as well as my usual
IrfanView. IrfanView was able to show the images and rotate them
without producing any warnings. I also compared the files after
viewing and they were completely unchanged. Or I should say that
their CRC values before and after were identical. When I used
Windows Picture and Fax Viewer to display the same files I got an
immediate warning stating:
Because of the dimensions of this picture, rotating it might
permanently reduce its quality. Rotating a picture
automatically saves it using the original name. To save a
backup copy first, see 'Copy an image' in Help.
Do you want to proceed?
[ ] In the future do not show me this dialog box.
[Yes] [No]
Sure enough, as soon as the picture was rotated, it was modified
on the disk drive. My guess is that whatever app. is being invoked
by Windows Explorer to display your JPG file is a little smarter
than the Windows Picture and Fax Viewer, in that it isn't guessing.
It knows that it will have to modify the file if it could proceed,
but may have been passed some kind of "R/O" flag by Explorer as a
precaution, so it gives you a misleading error message. BTW, I'm
not using Win XP Home as you are, but the MCE version instead, so
Windows Explorer, the Picture and Fax Viewer and any other included
viewing apps. may operate with some differences. If you download
and install Irfanview if you haven't already (it's a very small
program and it's free) and make it your default JPG viewer, it may
make for a convenient work-around, and it's probably a better,
quicker picture viewer than Windows Picture and Fax Viewer, assuming
that that's what is being invoked by Windows Explorer.
.
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