Fast View - Alternate Images

Fast View

The “Fast View” function lets you view high-res images in the PDF file at a low resolution (provided the PDF already contains low-res images) or generate and embed such alternate low-res images.

With low-res images, the speed with which PDF files display on the screen can be quickened signifi­cantly.

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You can enable/disable the display of low-res images by clicking the icon shown to the left or selecting "Plug-Ins > Prinect 2020 > Alternate Images...".

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Prerequisite: Low-res alternate images must already have been calculated for this func­tion. This may have been done in applications such as Prinect Integration Manager, Pit­Stop, or Prinergy.

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Note: "Alternate Images" does not work if the PitStop fast view is enabled.

 

You can also use "Calculate" below “Alternate Images” to generate low-res images if these are not yet available.

Calculation of Low-res Images

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Note: Alternate images created with "Fast View" are written to a Heidelberg-specific area of the PDF file and thus are technically compatible with PDF/X-1a.

1.Select “Plug-Ins >Prinect 2020 > Fast View...” if you wish to calculate low-res images for a PDF document.

The "Fast View" window displays:

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It provides information on the number of images in the document and the number of available alternate images.

2.Already existing alternate images can be removed prior to a recalculation. In this case, check the "Remove" option.

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Note: Alternate images created by PitStop will also be removed.
Alternate images will be only created for those images without a corresponding alternate image if you do not enable the “Remove” option.

3.Enable the “Calculate” option.

4.Type a value (in dpi or lcm) for the alternate image resolution in the “Subsample to” box. Use the list box to choose between two units.

5.Type a value (in dpi or lcm) in the “... if Above” box starting from which an alternate image is to be created from a high-res image.

No alternate image will be created for those images that already feature a resolution below this value.

6.Click "OK".

The alternate images are calculated and can now be viewed using the “Fast View” icon.

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Note: The images are calculated without opening the dialog if you press Ctrl+Shift (Apple+Shift on a Macintosh) or Alt+Shift and click the icon.

Remove All Alternate Images

1.Select "Plug-Ins > Prinect 2020 > Fast View..." to remove all low-res alternate images in a PDF document (e.g. to comply with the PDF/X-1 standard).

The "Fast View" window displays:

2.Verify whether alternate images are present.

3.Enable the “Remove” option and disable the “Calculate” option.

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Note: Alternate images created by PitStop will also be removed.

4.Click "OK".

 

 

 

 

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