Known Problems and Bugs

baspl++ still works with Python2 only. Python3 scripts submitted to baspl++ may not work if the scripts are not compatible with Python2.

Vectors at Integration Points (Sampling Points)

Vectors at integration points (Sampling Points), such as heat flow vectors at the element integration points, cannot be plotted.

Grid

Plotting a grid can fail if the model is a pure 2-dimensional model defined in the x-y-plane.

baspl++ still works with Python2 only. Python3 scripts submitted to baspl++ may not work if the scripts are not compatible with Python2.

Contour Plots

The Mesa OpenGL libraries (driver) can lead to unwanted effects with the “Gouraud” and “step texture” shading. Remedies:

Select smooth color map texture mode in menu or specify in the script for the NPart concerned (here: p):
```
p.contour.colmap.texture.mode='smooth'
```
Make use of Intel or NVIDIA drivers (see below).

baspl++ and the NVIDIA Driver

If no other driver is installed baspl++ selects the default OpenGL libraries (Mesa). This can lead to unwanted effects with the “Gouraud” and “step texture” shading. To make use of Intel or NVIDIA drivers, please start baspl++ and check:

The “openglinfo” tab will tell you about the OpenGL version used in baspl++:

If “Vendor” or “Renderer” or “Version” says “Mesa”, then the Gouraud and “step texture” shading will not work property.

If you got a NVIDIA graphics hardware on your device you should activate it (Ubuntu: see https://www.linuxbabe.com/desktop-linux/switch-intel-nvidia-graphics-card-ubuntu). The shell comand lspci

lspci -k | grep -A 2 -i "VGA"

will then show (NVIDIA example):

03:00.0 VGA compatible controller: NVIDIA Corporation GP108 [GeForce GT 1030] (rev a1)
        Subsystem: Gigabyte Technology Co., Ltd GP108 [GeForce GT 1030]
        Kernel driver in use: nvidia

The NVIDIA settings can be checked with

nvidia-settings