Syntax
XPath: /JDF[contains(@Types="Screening")]/ResourcePool/ScreeningParams/ScreenSelector/@ScreeningFamily
Type
String
Syntax
XPath: /JDF[contains(@Types="Screening")]/ResourcePool/ScreeningParams/ScreenSelector/@SourceObjects
Type
Enumeration
Supported values
@ScreeningFamily |
Description |
---|---|
"Gradation" |
Course halftoning |
"Resolution" |
Fine halftoning |
"ErrorDiffusion" |
Very fine halftoning |
The VarioPrint i-Series only supports @ScreeningFamily = "Gradation". Any other value in the ticket will be ignored and gradation is used instead.
The following table is valid for the colour printers with the exception of the imagePRESS C10000VP Series:
@SourceObjects |
Description |
---|---|
“All” (default) |
ScreeningFamily applies to all objects. |
“ImagePhotographic", "ImageScreenShot", "SmoothShades”, "LineArt" |
ScreeningFamily applies to all objects except text. To be used when a Text ScreeningFamily is also provided. |
“Text” |
ScreeningFamily applies to Text only. |
The following table is only valid for the imagePRESS C10000VP Series:
@SourceObjects |
Description |
---|---|
"LineArt" |
ScreeningFamily applies to graphics. |
“ImagePhotographic", "ImageScreenShot", "SmoothShades”, |
ScreeningFamily applies to images. |
“Text” |
ScreeningFamily applies to text. |
Description
These settings define the screening method to use for text and for non-text.
Example: job with ErrorDiffusion for text and Gradation for the rest (images, graphics, …)
<JDF Types ="... Screening ..." ... >
<ResourcePool>
<ScreeningParams Class ="Parameter" ID ="ScreenID" Status ="Incomplete">
<ScreenSelector ScreeningFamily ="Gradation" SourceObjects ="ImagePhotographic ImageScreenShot LineArt SmoothShades"/>
<ScreenSelector ScreeningFamily ="ErrorDiffusion" SourceObjects ="Text"/>
</ScreeningParams>
</ResourcePool>
<ResourceLinkPool>
<ScreeningParamsLink rRef ="ScreenID" Usage ="Usage" CombinedProcessIndex ="index into Types for Screening"/>
</ResourceLinkPool>
</JDF>
Example: job with Gradation for all objects ("All" is default)
<JDF Types ="... Screening ..." ... >
<ResourcePool>
<ScreeningParams Class ="Parameter" ID ="ScreenID" Status ="Incomplete">
<ScreenSelector ScreeningFamily ="Gradation"/>
</ScreeningParams>
</ResourcePool>
<ResourceLinkPool>
<ScreeningParamsLink rRef ="ScreenID" Usage ="Usage" CombinedProcessIndex ="index into Types for Screening"/>
</ResourceLinkPool>
</JDF>
Syntax
XPath: /JDF[contains(@Types=”Screening”)]/ResourcePool/ScreeningParams/ScreenSelector[@ScreeningType=”AM”]/@Frequency
Type
Double
XPath: /JDF[contains(@Types=”Screening”)]/ResourcePool/ScreeningParams/ScreenSelector[@ScreeningType=”AM”]/@SpotFunction
Type
NMTOKEN
Supported values
@Frequency |
@SpotFunction |
Description |
---|---|---|
200 (default) |
Line (default) |
200 lpi line |
200 |
SimpleDot |
200 lpi dot |
125 |
SimpleDot |
coarse dot screen |
Description
This option specifies the frequency and spot function of the halftoning screens of PostScript/PDF jobs.
Example - 200 lpi dot halftoned job
<JDF Types="... Screening ..." ...>
<ResourcePool>
<ScreeningParams Class="Parameter" ID="ScreenID" Status="Incomplete">
<ScreenSelector Frequency="200" ScreeningType="AM" SpotFunction="SimpleDot"/>
</ScreeningParams>...
</ResourcePool>
<ResourceLinkPool>
<ScreeningParamsLink rRef="ScreenID" Usage="Usage" CombinedProcessIndex="index into Types for Screening">
</ResourceLinkPool>
</JDF>