We have found one software suitable in our database for this conversion.
The only program that is capable of working or reliably creating .ptg projects, is ArtRage. The software should support import of all kind of graphics, including Photoshop PSD files and so is technically capable of psd to ptg conversion. However, it is not exactly a conversion, more like a working process in the program.
Updated: June 8, 2020
PSD
A psd file extension is traditionally associated with default graphic format of Adobe Photoshop. Adobe psd graphics file is pixel based graphics file format. However some graphic elements can be stored in vector graphics. In default psd graphics file contains layers with masks, color spaces, ICC profiles, transparency, text, alpha channels and spot colors, clipping paths, and duotone settings.
PTG
Files with ptg file extension can be found as projects from ArtRage program. Used to store work in progress.
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