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Why are the fonts in my CAD files showing up garbled/unrecognizable/not as expected?
Some CAD/DWG files may include fonts that are not included in PrizmDoc Viewer’s default font set. PrizmDoc will choose the most appropriate substitute font to use in its place. The substitution process isn’t always perfect, and as a result, you will see garbled/unrecognizable characters in the Viewer.
In order to provide additional .SHX fonts for PrizmDoc to pull from, you can copy the necessary .SHX font files into the cad-fonts folder, located at:
Alternatively, if you want to use fonts from that are located in a different directory, you can add the environment variable, ACAD, to explicitly specify the filepath of these fonts. his variable can be added under System Properties > Advanced > Environment Variables > System Variables > New... > ACAD. For the variable’s Value, specify a folder path that contains additional CAD font files for PrizmDoc to pull from.
System Properties > Advanced > Environment Variables > System Variables > New... > ACAD
* It is important to note that the Linux filesystem is case-senstive, so when adding custom CAD fonts on Linux, make sure that the fonts are named with case-sensitivity in mind. If you still see unexpected output after adding the fonts to the cad-fonts folder, try renaming the fonts to all lowercase.
** Note that the cad-fonts folder was added in PrizmDoc 13.20, so to add custom cad fonts on earlier versions of Prizm, use the environmental variable approach.