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Modifying in Photoshop

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Kurt Graessle
Unregistered guest
Posted on Wednesday, November 05, 2003 - 12:38 pm:   Edit PostDelete Post

I'm using a trial version of PF 3.1
It's amazing how it puts together 17 images of a panorama of the Alps as I see it from my home.
I save the cropped image as *.bmp and would like to bring in additional things (names of the summits etc).
But Photoshop will not open the image.
The same is true with *.jpf and *.tif. I get an error message about error with the "fileformatmodul-interface" or problems with the "the interpretation of the "JPEG-Data".
The file is 30154 x 1519 pixles and 34 MP in JPEG and 134 MB in BMP or TIF.

What am I doing wrong?
Thank you in advance for helping.

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John Strait
Username: Jstrait

Post Number: 28
Registered: 5-2001
Posted on Wednesday, November 05, 2003 - 1:10 pm:   Edit PostDelete Post

Hi Kurt,

You have encountered a fundamental limit in Photoshop. The maximum image width or height in Photoshop is 30000 pixels. Your image exceeds the Photoshop limit because its width is 30154 pixels.

I do not know why Photoshop displays the error message you described rather than telling you that you have exceeded the limit. I also receive that strange error message when I try to open an image larger than 30000 pixels in Photoshop.

Photoshop does display a correct error message ("An integer between 1 and 30000 is required") when you try to create a new image using the New command (File menu) and specify a width or height that is too large.

In order to process your panorama in Photoshop, you will have to resize it to a width that is 30000 or less.

I hope this helps!

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sanford radom
Unregistered guest
Posted on Monday, November 15, 2004 - 2:20 pm:   Edit PostDelete Post

What is the recommended workflow starting with raw images in photoshop using Panorama Factory to stitch the images and modifying them in photoshop after stitching?
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John Strait
Username: Jstrait

Post Number: 143
Registered: 5-2001
Posted on Monday, November 29, 2004 - 11:44 am:   Edit PostDelete Post

Here's one sequence you might follow to start with raw images and modify the stitched image in Photoshop.

  1. Convert the raw images.
    Note: You must start by converting the images to one of the image formats that The Panorama Factory accepts (it does not currently accept raw images).
    • You may be able to perform this conversion in Photoshop or you may need to use a special program supplied with your digital camera (e.g. Canon's Raw Image Converter.
    • We recommend using a lossless format such as BMP, TIFF or PNG.
    • You may save your images with 24 bits per pixel (8 bits per channel) or 48 bits per pixel (16 bits per channel). The Panorama Factory accepts both formats.
    • Save each image in a different file, numbering the images from left to right, e.g. image_1.tiff, image_2.tiff, ....
  2. Run The Panorama Factory to stitch the images.
    • You may stitch with either the Wizard or the Classic Interface.
  3. Save the final image using the Save current image as.... command.
    • We recommend you save the image in the same format as you chose in step 1.
    • If you are using 48 bits per pixel (16 bits per channel), be sure to select Save 48-bit pixels (16 bits per channel) on the TIFF settings dialog box or the PNG settings dialog box.
  4. Open the final image in Photoshop for post processing.
NOTE: If you wish to convert the final image to a VR format (e.g. QuickTime, IVR or PTViewer), you should follow the instructions given on the web page How to modify the final image in photoshop when you reach step 3 given above.

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