With released Teigha 2019, ODA members have a new way of importing .pdf files as underlays using Teigha’s new PdfiumModule module. The module is based on the Pdfium library developed by Google. Pdfium is available as open source and free of charge. Previously ODA members could import .pdf files as underlays using the PdfVIModule module but at an additional cost.
Creating Linearized .pdf Files with Teigha
This article describes linearized .pdf files and how to create them with Teigha.
Controlling the File Size of Exported .pdf Files
Some suggestions on how to reduce exported .pdf file size.
Questions and Answers about PDF Export Settings and Plot Settings
There is often a misunderstanding between general plot settings and specific settings for exporting drawings to .pdf files. This can lead to a misunderstanding of how to implement a feature for exporting a drawing, and we also receive suggestions to add functionality to the PDF export settings when that functionality already exists in the general plot settings.
PDF Export: Using Monochrome and Grayscale Modes
Sometimes it is necessary to export a drawing to the PDF format as a grayscale or monochrome document. The usual way to do it is using plot styles: monochrome.ctb/stb and grayscale.ctb/stb.
