why all the text disappear ?

OpenCASCADE-7.6.0-vc14,x86
why all the text disappear,is there something wrong,which part is responsible for the text.
best wishes

Kirill Gavrilov's picture

It could be helpful to describe what are you trying to do, after which modifications / changes you experience issue and which messages come from OCCT's messenger (redirected into std::cout by default).

feyond-king's picture

thanks,i try to cout some message:

“Font_FontMgr, error: unable to find any font!
TKOpenGl | Type: Error | ID: 0 | Severity: High | Message:
Font 'Courier' is not found in the system!
Font_FontMgr, error: unable to find any font!
TKOpenGl | Type: Error | ID: 0 | Severity: High | Message:
Font 'sans-serif' is not found in the system!

how can i deal with this?

Kirill Gavrilov's picture

You may install fonts in your system or register own fonts in Font_FontMgr and using them in Graphic3d_AspectText3d. If you believe that these fonts are present in your system, you might need to traverse/debug Font_FontMgr to find a reason, why it is unable to find standard fonts on your system (see also "vfont" command in Draw Harness).

feyond-king's picture

okay,i will try,Thank you very much!