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Merging PDFs without losing Layers (PDF Viewer)

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12-05-2019 06:46 AM
AnaVillaran
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New Contributor
‎12-05-2019 06:46 AM

Hi all,

 

Does anybody know how to merge two PDFs using Python while maintaning layers as shown on the attached picture?

 

I am using arcpy for ArcGIS Pro to export an 'Overview' PDF and a 'Detailed Location' PDF.

 

Both PDFs contain the layers once they're opened on PDF viewer. However, when I merge both PDF 'lots' within a single 'Map Book' PDF using 'arcpy.PDFDocumentCreate' and '<pdfDoc>.appendPages', those layers are lost.

 

I have also tried PdfFileMerger within PyPDF2 Library without success,

 

Any thoughts?

 

Thanks, Ana

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IoanaIstrateCiobanu
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New Contributor
‎09-22-2021 11:07 AM

Hi! In case anyone else needs it... Use the PDF merger  from the Arcmap arcpy. The drawback is that  for each PDF you have a list of layers, separately. I don't really like that.

def merge_all(dict_paths, out_dir):
   for empl, pdfs in dict_paths.items():

      out_pdf = os.path.join(out_dir,"{0}.pdf".format(empl))
      # pdfDoc = arcpy.mp.PDFDocumentCreate(out_pdf) #this is for Pro
      pdfDoc = arcpy.mapping.PDFDocumentCreate(out_pdf)
      for pdf in pdfs:
         pdfDoc.appendPages(pdf)
      pdfDoc.updateDocProperties(pdf_open_view= "LAYERS")
      
      pdfDoc.saveAndClose()

 

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