Quality Control

Owned by Rainer Prosi
Last updated: Aug 05, 2021 by Michel HartmannVersion comment
3 min read

General remarks

Requirements for quality control measurements are parametrized with QualityControlParams and the individual results/measurements are returned in one or more QualityControlResult resources. These may be partitioned by @QualityMeasurement in addition to the usual keys such as @Sheetname, @Side etc.

The following JIRA issues are related to to quality control and are concerned with additional metadata for measurements.

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Color Quality Control with CxF

TBD: Update the CxF with simple examples.

Request for QualityControl

The following example requests a color quality control measurement once in every 42 impressions in a ConventionalPrinting process:

<XJDF xmlns="http://www.CIP4.org/JDFSchema_2_0"
  JobID="QualityControlExample" Types="ConventionalPrinting QualityControl">
  <ResourceSet Name="Component" Usage="Output"/>
  <ResourceSet Name="QualityControlParams" Usage="Input">
    <Resource>
      <QualityControlParams SampleInterval="42"/>
      <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF data is in here</cc:CxF>
    </Resource>
  </ResourceSet>
</XJDF>

QualityControl Signal

This could be a single signal that is sent by a press that received the XJDF above and has an open subscription for resource signals. Signals are sent in regular intervals.

<XJMF xmlns="http://www.CIP4.org/JDFSchema_2_0">
  <Header DeviceID="DeviceID" ID="l_000002" Time="2018-02-24T21:25:06+01:00"/>
  <SignalResource>
    <Header DeviceID="DeviceID" ID="S1" Time="2018-02-24T17:00:00+01:00" refID="QC1"/>
    <ResourceInfo>
      <ResourceSet Name="QualityControlResult">
        <Resource ID="r_000004">
          <QualityControlResult Failed="3" Passed="42"/>
          <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF Measurement datas in here</cc:CxF>
        </Resource>
      </ResourceSet>
    </ResourceInfo>
  </SignalResource>
</XJMF>

QualityControl Audit

This could be the condensed quality control result of 2 press runs of sheets s1 and s2. The example describes 2 measurements per sheet. The actual measurements are defined in the AuditPool.

<XJDF xmlns="http://www.CIP4.org/JDFSchema_2_0"
  JobID="QualityControlExample" Types="ConventionalPrinting QualityControl">
  <AuditPool>
    <AuditResource>
      <Header AgentName="CIP4 JDF Writer Java" AgentVersion="1.5 BLD 95"
        DeviceID="TestSender" ID="l_000007" Time="2018-02-24T20:31:09+01:00"/>
      <ResourceInfo>
        <ResourceSet Name="QualityControlResult" Usage="Output">
          <Resource>
            <Part QualityMeasurement="M1" SheetName="S1"/>
            <QualityControlResult End="2018-02-24T23:31:09+01:00"
              Failed="0" Passed="200" Start="2018-02-24T22:31:09+01:00"/>
            <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF measurement data is in here</cc:CxF>
          </Resource>
          <Resource>
            <Part QualityMeasurement="M2" SheetName="S1"/>
            <QualityControlResult End="2018-02-25T01:31:09+01:00"
              Failed="0" Passed="200" Start="2018-02-25T00:31:09+01:00"/>
            <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF measurement data is in here</cc:CxF>
          </Resource>
          <Resource>
            <Part QualityMeasurement="M3" SheetName="S2"/>
            <QualityControlResult End="2018-02-25T03:31:09+01:00"
              Failed="0" Passed="200" Start="2018-02-25T02:31:09+01:00"/>
            <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF measurement data is in here</cc:CxF>
          </Resource>
          <Resource>
            <Part QualityMeasurement="M4" SheetName="S2"/>
            <QualityControlResult End="2018-02-25T05:31:09+01:00"
              Failed="0" Passed="200" Start="2018-02-25T04:31:09+01:00"/>
            <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF measurement data is in here</cc:CxF>
          </Resource>
        </ResourceSet>
      </ResourceInfo>
    </AuditResource>
  </AuditPool>
  <ResourceSet Name="Component" Usage="Output"/>
  <ResourceSet Name="QualityControlParams" Usage="Input">
    <Resource>
      <QualityControlParams SampleInterval="42"/>
      <cc:CxF xmlns:cc="http://colorexchangeformat.com/CxF3-core">CxF requirement data is in here</cc:CxF>
    </Resource>
  </ResourceSet>
  <ResourceSet Name="QualityControlResult" Usage="Output"/>
</XJDF>