sci-mathematics/maxima/files/support-new-vtk.patch


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commit c21598340008892173578718afa577f93ebfdd45
Author: Leo Butler <l_butler@users.sourceforge.net>
Date:   Sat Feb 13 16:16:20 2021 -0600

    Fix SF Bug #3714, Update maxima to use vtk-8.2.0
    
    The GlobalImmediateModeRenderingOn method was deprecated in the VTK
    codebase in 2017,
    
    https://github.com/Kitware/VTK/commit/67e054c91063be30e8e991de489fdda3af668e22
    
    This commit may change or break draw-vtk user code that relies on
    older versions of vtk.

diff --git a/share/draw/vtk.lisp b/share/draw/vtk.lisp
index 6ff0f9586..1964048d2 100644
--- a/share/draw/vtk.lisp
+++ b/share/draw/vtk.lisp
@@ -224,7 +224,6 @@
 (defun vtkpolydatamapper-code (mn fn con)
   (concatenate 'string
     (format nil "~a=vtk.vtkPolyDataMapper()~%" mn)
-    (format nil "~a.GlobalImmediateModeRenderingOn()~%" mn) 
     (if con
       (format nil "~a.SetInputConnection(~a.GetOutputPort())~%" mn fn)
       "") ))