This page applies to Harlequin v13.1r0 and later; both Harlequin Core and Harlequin MultiRIP.
This section describes the available spot functions with their PostScript-language names, and their index number and comments on PDF usage where appropriate.
A PDF: entry shows where the spot function has a different name or availability to that in the PostScript language. These examples show the possible entries:
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shows that a PDF job specifying |
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shows that a PDF job cannot access the labeled spot function. |
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Indicates that this is a spot function provided in addition to those defined in [PDF1.2]. |
All names marked as Not available have a related name ending in Adobe. These are provided where there is a Harlequin spot function with the same name as, but a different appearance from, the spot function as used from PDF jobs. This is done so that PDF spot functions have their exact representation.
The RIP does not limit the name values that can be used for the /SpotFunction key in a Halftone dictionary in a PDF file. Any spot function requested triggers a Halftone resource look-up by name. If the requested screen is not found the job will fail with an undefinedresource error.
An Index: entry shows the (deprecated) index value for the screen, for use with the OverrideSpotFunction system parameter.
Index: 5 shows that you can access the spot function using index 5.
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Name (and comments) |
Samples for: 20%, 40%, 50%, 60%, and 80% |
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CosineDot |
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Cross |
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Diamond |
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Double |
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DoubleDot |
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Ellipse |
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EllipseA |
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EllipseB |
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EllipseB2 PDF: RIP Extension |
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EllipseC PDF: Not available |
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EllipseCAdobe PDF: EllipseC |
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Elliptical1 Index: 2 |
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Elliptical2 Index: 3 |
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EllipticalP |
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EllipticalQ1 Index: 8 |
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EllipticalQ2 Index: 9 |
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Euclidean PDF: Round Index: 1 |
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InvertedDouble |
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InvertedDoubleDot |
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InvertedEllipseA |
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InvertedEllipseB PDF: RIP Extension |
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InvertedEllipseB2 PDF: RIP Extension |
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InvertedEllipseC |
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InvertedSimpleDot |
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Line PDF: Not available Index: 4 |
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Line90 Index: 5 |
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LineAdobe PDF: Line |
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LineX |
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LineY |
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Rhomboid PDF: RIP Extension |
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RhomboidAdobe PDF: Rhomboid |
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Round PDF: SimpleDot Index: 0 |
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Square |
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Square1 Index: 6 |
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Square2 Index: 7 |
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HDS-A GUI: HDS Super Fine (Requires an HDS license) |
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HDS-B GUI: HDS Fine (Requires an HDS license) |
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HDS-C GUI: HDS Medium (Requires an HDS license) |
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HDS-D GUI: HDS Coarse (Requires an HDS license) |
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HDS-E GUI: HDS Super Coarse (Requires an HDS license) |
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Table: Spot samples