creating thumbnails of images


 
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Old 08-21-2007
creating thumbnails of images

Hi,
Is there any tool for Solaris (or Linux) to create thumbnails of .TIF/.pdf images? I heard of “Image Magick” but not much of info got to implement it. It must provide CLI tool so I can do for few millions of images by using scripting.

TIA
Prvn
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GTKAM(1)																  GTKAM(1)

NAME
gtkam - Graphical front end for gphoto2 COMMANDS
File Menu File->Save Photos Gives options to save photos to the computer. File->Save Photos->Selected Saves the selected photos from the camera to the computer. File->Save Photos->All Saves all photos in the camera to the computer. Both menu items open a "Save photos..." dialog box which allows the user to select the folder to save the images in, as well as a number of other options. What to save: This is a set of checkboxes which allows the user to select the forms in which data for the selected image(s) will be saved. Any or all of these options may be selected at once. Save photos This is the default. It causes the photos being saved to be downloaded from the camera and saved to the identified folder. Save raw data FIXME: What to say? Save audio data Causes any audio data associated with the image to be saved to the selected folder. Save thumbnails Saves a small version of the selected images to the identified folder. Save EXIF data Saves the EXIF data associated with the images. FIXME: should we say more about the EXIF format? Open image(s) with: This allows the user to specify FIXME ?? Use filename(s) provided by the camera. Causes the saved files to have the names provided by the camera. Filename prefix: Defines a prefix to be used when creating filenames. This prefix is combined with the number starting with the number defined in: Start numbering with: Defines the first number of the sequence of photos to be stored. File->Delete Photos Gives options to delete photos from the camera. File->Delete Photos->Selected Deletes selected photos from the camera. File->Delete Photos->All Deletes all photos in the camera. Both of these menu items open a dialog to confirm the deletion of the photos. A list of photos is presented with a checkbox beside each photo name. Uncheck the box to prevent a specific file from being deleted. File->Quit Quits gtkam. View Menu Gives options for previewing photos before downloading them from the camera. View->View Thumbnails This is the same command as the checkbox on the main gtkam window. It allows the user to select whether thumbnails of the photos are displayed, or just the file names. View->Zoom In Enlarges the thumbnails. View->Zoom 100 Returns the thumbnails to default size. View->Zoom Out Reduces the thumbnails. Select Menu Select->All Selects all pictures in the camera. Select->Inverse Inverts the selections already made so that previously unselected images are now selected, and previously selected images are now unselected. Select->None Undoes all selections so that no images are selected. Camera Menu Camera->Add Camera... Opens a window to allow the user to define the camera and interface being used. "Simple" Select Camera Dialog. "Enhanced" Select Camera Dialog. Dialog for explicitly adding a path to the port to which the camera is attached. Help Menu Help->Debug... Opens the logging window which allows the user to select the type of messages to log. Error causes the logging of any error messages. Verbose Increases the amount of information being logged. (I can't see what effect this has. - mjr) Debug Causes the logging of progress reports as the software communicates with the camers. Data Causes the logging of all data being transferred from the camera. This will generate huge quantities of hexadecimal informa- tion. Save As... opens a dialog to allow the user to save the information logged in the debug window. Close Closes the debug window Help->About... Opens the about gtKam window. This gives the current version, author credits, and contact information. Right Click (over directory pane) Menu Right Click->Upload File Opens a dialog to identify an image file for uploading to the camera. Right Click->Make directory Opens dialog to create new directory. Right Click->Remove directory Opens a dialog to remove (delete) an existing folder (directory). Right Click->Capture Opens a window to allow the user to trigger the camera to acquire an image if the camera and its gphoto2 driver supports this fea- ture.. (This feature is not available on my camera, so I would appreciate some input on this item. -mjr) Right Click->Preferences Camera configuration tab. Driver configuration tab. Right Click->Summary Displays a window with information about the camera and its memory. Right Click->Manual I'm not sure what this should contain. Anyone? - mjr FIXME: need useful image Right Click->About Displays a window with information about the camera driver and its authors. This should include contact information for the maintainers of the drivers for your camera. Right Click->Select Camera Opens the Add Camera dialog. Right Click->Remove Camera Removes the camera from the directory pane. Right Click (over list pane) Menu Right Click->View with...->Built-in viewer Downloads the image under the cursor and displays it in a new window. The window automatically resizes the image to fill the window. Right Click->Info Presents file name, type, size, date and permissions information about the image under the cursor. Right Click->Save Downloads the image under the cursor and opens a dialog to allow it to be saved to the computer. Right Click->Delete Opens a dialog to allow the user to delete the image under the cursor. AUTHOR
The gPhoto2 Team. Man page edited by Michael J. Rensing <michael.rensing@shaw.ca>. August 2002 GTKAM(1)