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LFP File Command Composition

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  • LFP File Command Composition



    As you know, the LFP file is the most common way to load images and related information into an IPRO View project. Different LFP file commands perform different functions, from loading image files to setting volume locations to tagging images.

    While the exact “anatomy” of each LFP file command differs according to the command’s purpose, each LFP file command has a few things in common:

    a. The first two characters of any LFP file command indicate the command’s function. For example, the IO command loads information only field data for an image.

    b. The first item (or “parameter”) following the command identifies the data that the command applies to. This is almost always an image key, but a few commands such as IN, “Create Issue Tag” are exceptions.

    c. The following item or items supply the data to be applied to the image. For example, a BF, “Set Boundary” command identifies the boundary that you want to apply to the image.
    image_248.png



    The following paragraphs break down the parts of the LFP file command in more detail.

    a. Command Function

    Each record in an LFP file always starts with a 2-letter command. This tip focuses on the IM or Load Image Master Record command. An LFP file can have any of the 23 commands identified in Appendix A of the IPRO Tech System Administration Guide.


    b. Target or Item to Which the Command Applies

    Because IPRO is an image-based system, most of the LFP commands provide a way to perform operations on images. The command can apply to a single image or to a range of images. In addition, a few LFP file commands operate on issue tags, image filenames, or volume names instead of image keys.


    c. Data to be Applied

    This portion of the LFP command can consist of one part or several. Other commands are much simpler. For example, the BF, Set Boundary command only contains one parameter following the image key: the Boundary Flag to apply to the image.


    The IM command discussed here has several parts or parameters, including the image’s boundary, its sequence in the image file, volume, path, filename, type, and rotation setting. While most items in the LFP file are separated by commas, some of the items in the IM command are separated by semicolons ( ; ).
    image_249.png



    The items highlighted in the drawing above are discussed below.

    1 = The image boundary setting shows the image’s position in the image collection’s hierarchy. The sample here (D) indicates that the image is the first in a document. When defining the boundary structure for a new IPRO View project, make sure that you account for all of the boundary settings that you see in the LFP file. Examples of common boundary flags are S (source), B (box), F (folder), and C (child).

    Because Page is not actually a boundary setting, individual pages within a document (or child, etc.) do not contain a boundary flag. Instead you will see two consecutive commas to hold the place for the boundary flag so that the image will be correctly loaded by the IPRO Tech Utility program.

    The following command loads a page:
    IM,MSC-01234,,0,@VOL002;IMAGES\00\00;123422.TIF;2,1

    2 = The image’s sequence or position in the image file will be zero if the image files are single-page Tiffs. For multiple-page image files, this parameter shows the image’s sequence or position in the file. For example, these commands load the first and second images in a file:

    IM,MSC-01234,D,1,@VOL002;IMAGES\00\00;123466.TIF;2,1
    IM,MSC-01235,,2,@VOL002;IMAGES\00\00;123466.TIF;2,1

    3 = The volume the image is on. If the volume name is supplied, the drive letter is not necessary. The volume name can be up to 30 characters. The volume name is preceded by the at sign (@). The @ is actually not part of the volume name.

    4 = The path to the image is next. If a volume name exists, the drive letter is not entered with the path. If there is no volume name, the drive letter and the complete path must be included.

    5 = The name of the file the image is in.

    6 = The image file format or type:

    1. IPRO Tech image (.IMG)
    2. Standard single- and multiple-page black and white or color TIFF (.TIF)
    3. IPRO Tech stacked TIFF (.STF)
    4. Color image (.BMP, .PCX, .JPEG, or .PNG)
    5. Black and white PDF
    6. Color PDF

    7 = The rotation flag is the degree that a page is rotated. This setting is not present until the image has been rotated to the right.

    Values include:

    0=0
    1=90
    2=180
    3=270 (same as 90 degrees to the left)



    From the December 15, 2004 IPRO Tech Client Services Tip of the Day
    Attached Files
    Last edited by Christian Lafferty; 01-17-2017, 12:45 PM.
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