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Using the Built-in Image Viewer
| Using the Built-in Image Viewer
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| The built-in image viewer was designed for investigating a series of images, even a full book, one image after the other. Of course you can only see one or two images at a time, but it is very easy to go to the next or previous image. Using the PgUp and PgDn buttons, you can browse the images as easily as turning pages in a book.
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| Use the following keys to scroll and zoom the image:
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| · | Arrow keys to scroll the image.
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| · | Ctrl + arrow keys to scroll the zoomed image in large steps.
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| · | [+] on the numeric pad or the [+] (plus / equals) key to zoom in.
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| · | [-] on the numeric pad or the [-] (minus / underscore) key to zoom out.
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| · | [*] on the numeric pad or the Space or the 0 (zero) key to zoom all (zoom image to fit the viewer window).
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| Use the following keys to navigate between the images and to turn page:
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| · | PgUp to go to the previous image in the directory.
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| · | PgDn to go to the next image in the directory.
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| · | Home to go to the first image in the directory.
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| · | End to go to the last image in the directory.
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| · | Shift+PgUp to turn to the previous page of a multi page image.
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| · | Shift+PgDn to turn to the next page of a multi page image.
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| · | Shift+Home to turn to the first page of a multi page image.
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| · | Shift+End to turn to the last page of a multi page image.
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| · | D to switch between single, dual verso-recto and dual recto-verso mode.
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| The built-in viewer has two toolbars. The top one contains all the buttons that apply to all the images and the image viewer itself, while the second toolbar just below it lists all the functions that apply to the current image only.
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| The top toolbar contains the following icons:
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| · |  Single mode: display one image in the window.
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| · |  or  Dual mode: two images side-by-side. The order can be verso-recto or recto-verso, depending on the current settings.
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| · |  Swap neighboring images. This button only work in dual mode. It swaps the two images displayed in the viewer.
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| · |  First image.
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| · |  Previous image.
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| · |  Next image.
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| · |  Last image.
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| · |  Zoom in.
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| · |  Zoom out.
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| · |  Zoom to fit.
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| · |  Current unit. You can choose from one of the following units: Inch, Millimeter, Pixel.
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| · |  Switch between viewer and editor.
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| · |  Set up guidelines.
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| · |  Turn margins on/off. This only applies for output images in the Exception List and Good Files List.
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| The second toolbar contains the following icons:
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| · |  Previous page: display the previous page of a multipage image.
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| · |  Next page: display the next page of a multipage image.
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| · |  Save changes: only work in editing mode if the image is changed.
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| · |  Undo: in editing mode, you can undo the last operation.
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| · |  Copy: in editing mode, copies the selection to the clipboard.
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| · |  Cut: in editing mode, copies the selection to the clipboard, then deletes it.
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| · |  Paste: in editing mode, pastes image from the clipboard. After pasting, you can move the pasted subimage as a selection.
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| · |  Selection tool: in editing mode, switches to rectangular selection mode.
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| · |  Measurement tool: in editing mode, you can make distance and angle measurement on you image.
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| · |  Manual deskew tool: in editing mode, you can deskew your image manually using this tool.
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| · |  Print: prints the current image.
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| Note that the details about the editing functions will be discussed in the next section.
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| Guidelines are two horizontal and two vertical lines in the image viewer, which provide a visual aid for you when setting up an edge cleanup or positioning subimages manually. The guidelines are blue dashed lines painted on the top of the image. You can set up the dimensions for the four guidelines. They usually help a lot in the manual cleanup.
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| For example, if you are manually moving the page numbers to a different location, you can set up the guidelines and position the page number on each page so that the page number touches the guidelines. The guidelines are just a visual indication tool in this case.
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| You can also use the guidelines for setting up the maximum subimage size, the edge cleanup, or even the positioning and quality control margins. Just set up the margins visually, then transfer the exact dimensions to the main window of PPP.
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| There are two ways to change the guideline settings. You can either double-click on a guideline or click the Set Up Guidelines icon to display the Guideline Properties dialog box (Figure 7-2).
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Figure 7-2. The Guideline Properties Dialog
| The window contains the settings for each guideline. Check the check box on the left to make a guideline visible. Uncheck to hide the guideline. You can set up the dimension for the guideline by typing in a value and choosing a unit. For example, you can type a value of 0.5 and select "in" for a guideline at a distance of 0.5 inch from the edge of the image. You can also use the track bar to set up the guideline visually. Move the track bar with the mouse until the guideline is at the correct position. There is one more check box on the right side. Check if you want to see the dimensions displayed by the guideline. Uncheck to hide the dimensions.
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| You have to set up all four guidelines independently. However, there is a check box labeled "All visible / hidden". Check to display all four guidelines. Uncheck to hide all four guidelines. Use the Show all dimension check box to control the visibility of the dimensions for all guidelines. Check to make all dimensions visible. Uncheck to hide all dimensions.
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| Click the OK button to accept the current settings. Use Cancel if you changed your mind and wish to keep the old guidelines.
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| The built-in viewer's guidelines are synchronized with the current verso-recto settings of PPP. If you are in Simple mode, you can only use one set of guidelines for all your images. However, in Odd-Even mode, you may have different guidelines for the verso and recto images. In this latter case, you set up the guidelines for verso and recto images independently.
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| It is very common for the verso and recto settings to be mirrored. This means the top and bottom settings should be same for all images, and the left verso guideline should be the same as the right recto guideline, and the right verso guideline should be the same as the left recto guideline. In this case, you do not need to set up the guidelines first for verso images, then for recto images. You only need to set up one of them, then use the Mirror button on the Guideline Properties dialog. For example, if you set up the guidelines for verso images, you can apply the mirrored version of the current settings for recto images.
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| Should you have to use the same guideline options for verso and recto images, just use the Duplicate button in the Guideline Properties dialog box. This button applies the current settings to the facing page. In other words, you only need to set up the verso guidelines and apply the same settings for recto images.
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| PPP is able to display the margins for processed images in the built-in viewer. Figure 7-3 shows an example. The dashed yellow area represents the region outside the margins.
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Figure 7-3. Displaying the Margins (see yellow area)
| Note that the viewer only displays the margins for output images processed by PPP, and only if the images are in the current job. Images not listed in either the Exception List or Good Files List can not have a margin. The margins displayed by the viewer do not reflect the current margin settings on the Margin Setup page in PPP. Instead, the viewer always displays the margins used for positioning the subimage. It is possible that you process an image with a set of margins, then you change the current margins. In this case, PPP will display the old margins used for the subimage positioning. Therefore some of the images might have different margins then the others.
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| Click the Turn Margins On/Off icon () on the toolbar to show margins. Click again to hide them.
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© 1998-2002 ELAN GMK
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