[general]
name = Piriform;
comments = Piriform surface;
a1_min = 0;
a1_max = 180;
a1_steps = 40;
a2_min = -180; 
a2_max = 180;
a2_steps = 40;


[param]
name = r;
title = Shape;
default = 1;
min = -10;
max = 10;


[formula]
S2 = r + sin(A2);
C2 = cos(A2);

X = 2 * C2 * S2 * cos(A1);
Y = 2 * S2;
Z = 2 * C2 * S2 * sin(A1);

[preset]
name = default;
r = 1;
a1_min = 0;
a1_max = 180;
a1_steps = 40;
a2_min = -180; 
a2_max = 180;
a2_steps = 40;