This should work. A resize node with the following settings:
Resize = Trim Box To Size
Content Scaling = None
Calculated Width Value: ($FFwfDoc.pdfCropWidth$ - $FFwfDoc.pdfTrimWidth$)/2 + $FFwfDoc.pdfTrimWidth$
Calculated Height Value: $FFwfDoc.trimHeight$
Hi, I am trying to Crop Odd pages to the trim box value only from left side and Even pages to the trim box value from the right side. How can it be done?