Dwg to pdf python

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yin0105/DWG_to_PDF_WEB

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README.md

• Run Command Prompt(or Power Shell)
• cd
• git clone https://github.com/teknoprep/sendplot.git
• cd sendplot
• python -m venv env
• env/Scripts/activate (Windows)
• pip install -r requirements.txt
• Environment settings in .env files

• Install to C:\Program Files (x86)\IrfanView\
• Install IrfanView plugin: Postscript.dll to .\plugins
• Install IrfanView plugin: BabCAD4Image.dll to .\plugins
• IrfanView > Option > Properties/Settings > Plugins > Postscript Options > select Retrieve GS location from System Registry

• Install to C:\usr\local\gs\gs9.15
• Add C:\usr\local\gs\gs9.15\bin to SYSTEM PATH
• Import registry key: ghostscript.reg

novaPDF is installed on client computers rather than the server.

novaPDF is used to embed fonts within the CAD drawing PDF’s.

Without embedded fonts Acrobat Readers substitute fonts not present on the viewing computer. The results are not ideal.

• Install novaPDF on computer that will produce PDF’s from CAD files
• Use installation and setup instructions from the wiki — http://odcl5/wiki/index.php/NovaPdfSettings

• The queue folders follow a similar layout to PlotManager queues.
• QUEUE-ROOT: The root folder of the PDF queues. When SendPlot Print Server starts it makes a list of queues from the subfolders and monitors those folders for PDF files. When a PDF file is copied into a QUEUE SendPlot Print Server prints it to the configured printer and removes the PDF file from the QUEUE. If queue folders are added or removed restart SendPlot Server.
• QUEUE: Each available printer and page size has a separate queue. An IrfanView INI file resides in each queue. The INI file contains configuration options for the Printer name, page size, orientation handling and output fit to page.
• Open a PDF drawing in IrfanView
• File menu > Print
• Check Auto Rotate
• Select Print Size >Best fit to page (aspect ratio)
• Position > check Centered
• Printer setup button > choose printer and page size
• Test the print settings and change settings if needed
• Locate the INI file with the new settings at %APPDATA%\IrfanView\i_view32.ini. (Open Windows Explorer and in the address bar type %APPDATA%\IrfanView\)
• Create a new queue folder below the QUEUE-ROOT
• Copy the new IrfanView INI file to the new queue folder and add printer to printer.json.
  Example: «CSize»: «Plotter C size»,
• Do not make any other changes in IrfanView until after the INI file is copied.

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Convert DWG to PDF in Python

DWG file stores 2D and 3D design data such as geometric data, color, materials, and text. It is a proprietary file format of AutoCAD, a computer-aided design (CAD) software application. Since DWG files are quite large, they are often converted to other file formats, like PDF, for easier sharing and collaboration. PDFs are a popular choice for this purpose, as they can be easily viewed and shared across different platforms. But, converting DWG files to PDFs can be a tedious task, especially if you have a large number of files to convert. In this blog post, we will learn how to convert DWG to PDF in Python. So, let’s get started!

The following topics shall be covered in this article:

Python DWG to PDF Converter – Free Download#

For converting a DWG file to a PDF document, we will be using the Aspose.CAD for Python API. It allows creating, editing, and manipulating DWG files and several other file formats.

Please use the following pip command to install the library from PyPI.

How to Convert DWG File to PDF#

We can easily convert a DWG file to a PDF document by following the steps given below:

1. Load a DWG drawing file.
2. Specify CAD rasterization image options.
3. Define PDF save options.
4. Save DWG as PDF.

Now, let’s see how to perform these steps in Python to convert a DWG file to a PDF document.

Convert DWG to PDF in Python#

Please follow the steps given below to convert a DWG to a PDF:

1. Load an input DGN file using the Image class.
2. Create an instance of the PdfOptions class.
3. Finally, call the save() method to save DWG as PDF. It takes the output PDF file path and PdfOptions as arguments.

The following code sample shows how to convert a DWG file to a PDF document using Python.

Export DWG to PDF with Options in Python#

We can specify PDF save options while converting a DWG file to a PDF document by following the steps given below:

1. Firstly, load an input DWG file using the Image class.
2. Next, create an instance of the CadRasterizationOptions class.
3. Then, specify the page_width and page_height properties.
4. Meanwhile, create an instance of the PdfOptions class.
5. After that, set the vector_rasterization_options property as CadRasterizationOptions.
6. Finally, call the save() method to save DWG as PDF.

The following code sample shows how to specify the page height and width while saving a DWG file as a PDF document using Python.

Export Specific Layout of DWG to PDF in Python#

We can specify PDF save options while converting a DWG file to a PDF document by following the steps given below:

1. Firstly, load an input DWG file using the Image class.
2. Next, create an instance of the CadRasterizationOptions class.
3. Then, set the Layouts property.
4. Meanwhile, create an instance of the PdfOptions class.
5. After that, set the vector_rasterization_options property as CadRasterizationOptions.
6. Finally, call the save() method to save DWG as PDF.

The following code sample shows how to specify the specific layout of a DWG file to export as a PDF document in Python.

Convert DWG to PDF/A or PDF/B#

We can also save DWG as PDF/A or PDF/E by following the steps given below:

1. Firstly, load an input DWG file using the Image class.
2. Next, create an instance of the CadRasterizationOptions class.
3. Then, create an instance of the PdfOptions class.
4. After that, set the compliance property.
5. Finally, call the save() method to save DWG as PDF.

The following code sample shows how to convert a DWG file to PDF/A and PDF/B using Python.

AutoCAD to PDF Converter — Get a Free License#

You can get a free temporary license to try the library without evaluation limitations.

DWG to PDF Converter Free Online#

In addition, you can convert DWG files into PDF documents online for free by using our free DWG to PDF converter web app. This web app was developed using the Aspose.CAD API.

Python DWG to PDF Converter – Learning Resources#

You can learn more about reading, converting, and manipulating AutoCAD DWG files without using AutoCAD and explore other features of the library using the resources given below:

Conclusion#

In this article, we have learned how to load an existing DWG file and save the loaded DWG as PDF in Python. We have also seen how to specify page height, width, layout, and PDF compliance when exporting DWG to PDF. By leveraging Aspose.CAD for Python, developers can easily automate the conversion process and create customized PDF output that meets their specific needs. Besides converting a DWG to a PDF in Python, you can convert DWG files into PDF documents online using a free DWG converter web app. In case of any ambiguity, please contact us on our free support forum.

See Also#

• Aspose.CAD Product Family

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