I don't know if we should discuss problems encountered with the use of
objects from the Object Collection here.
Let me just put forward my puzzlement. When using the spline macro for a
circular wall, I find that the diameter value often gives a parse error. For
instance here, with 3.6*z:
#declare Blockwall_Spline =
#local I = -0.25;
#local I = I + 0.01;
The message says: "Attempt to access unitialized array element", and refers
to line 1185 of blockwall.inc.
A value of 2.9*z for instance works correctly, but again, 5*z or 6*z lead to
the same error. It seems rather random and I fail to see what goes wrong, or
what I am doing wrong for that matter...
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