muril00ng, You can control the visiility edgelines in many ways by mask value
Please, read GDL manual on page 93:
TUBE n, m, mask,
u1, w1, s1,
un, wn, sn,
x1, y1, z1, angle1,
...
xm, ym, zm, anglem
mask: controls the existence of the bottom and top polygons’ surfaces and edges.
mask = j1 + 2*j2 + 16*j5 + 32*j6 + 64*j7 + 128*j8 + 512*j10 + 1024*j11 + 2048*j12 + 4096*j13,
where each j can be 0 or 1.
j1: base surface is present,
j2: end surface is present,
j5: base edges (at x2, y2, z2) are visible,
j6: end edges (at xm-1, ym-1, zm-1) are visible,
j7: cross-section edges are visible, surface is articulated,
j8: cross-section edges are sharp, the surface smoothing will stop here in OpenGL and rendering,
j10: base edges participate in line elimination (Compatibility: introduced in Archicad 23.),
j11: end edges participate in line elimination (Compatibility: introduced in Archicad 23.),
j12: longitudinal edges (which connect cross sections) participate in line elimination (Compatibility: introduced in Archicad 23.),
j13: edges of cross sections participate in line elimination (Compatibility: introduced in Archicad 23.).
si: status of the lateral edges.
0: lateral edges starting from the node are all visible,
1: lateral edges starting from the node are used for showing the contour.
2: when using Archicad or Z-buffer Rendering Engine and setting Smooth Surfaces, the lateral edge belonging to this point defines a
break. This solution is equivalent to the definition of additional nodes. The calculation is performed by the compiler. With other rendering
methods, it has the same effect as using 0.
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