adept to CSXCAD change for getting curve points

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
increase vtk resolution

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
vtk: use level of detail actor (vtkLODActor)

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
minor typo

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
render discrete material models

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
export: fix double .png file ending

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
fix missing CSPrimCurve API change

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
Grid get opacity value

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
QVTKStrucutue: new parallel projection and 2D interaction mode

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
replace old (buggy) 2D view with a vtk parallel projection and 2D interaction style display

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
fix uninitialized value

Signed-off-by: Thorsten Liebig <thorsten.liebig@gmx.de>
new/modified vtk interactor style to suite 2D plane view

Signed-off-by: Thorsten Liebig <thorsten.liebig@gmx.de>