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• 

  Permanently deleted user

  • 2018年10月04日 08:38

  Hello,

  You may use the IPictureObjectsInfo.BlacknessPercentage property. 

  Using the following code in the Rule script you'll be able to know the percentage of black pixels inside your field:

  int blacknessPercentage = Context.Field("<your field name>").Regions[0].Picture.AnalyzePageObjects(null).BlacknessPercentage;

  Then, based on the some threshold, you may determine if the field is blank or not.

  In general, if you use your own customized export, you can include or exclude from it any fields, but if you are using the built-in FC export, to suggest to you better ways of exporting/non exporting of such fields, we'll need to look at your project and some sample images.

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• 

  Permanently deleted user

  • 2018年10月05日 09:49

  Thank a lot !

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• 

  Permanently deleted user

  • 2018年12月20日 07:52

  Hi Ekaterina,

   

  question on blacknessPercentage.

  previously I was on FC12 Release 1, and this code was working:

  Context.Field("LastPageSignature").Regions[0].Picture.AnalyzePageObjects(null).BlacknessPercentage;

   

  yesterday, I upgraded to Release 2 and now Iam getting this error:

  System.Runtime.InteropServices.COMException (0x80004005)

  Internal program error:

  Src\EmptyPageProcessor.cpp

   

  Do you have any idea why previously was working in FC11, FC12 R1 but not on latest release?

   

  Thanks!

  • eaa06f01-5d4c-465b-8279-a9bc0081fe33_blackness-error.jpg

  いいえ 0 はい
• 

  Permanently deleted user

  • 2018年12月21日 14:37

  Hello Melisa,
  
  This is a known bug of FC12 R2, it will be fixed in FC12 R3.
  
  Sorry for inconvenience caused.
  
  
  

  いいえ 1 はい
• 

  Permanently deleted user

  • 2019年01月02日 07:12

  thanks! got it :)

  いいえ 0 はい

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