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Demonstration Commands 8 images
tree :: Antiprism Examples and Visual Reference > Demonstration Commands
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    Miscellaneous demonstration commands to illustrate some of the features and show how the different programs work together.
 
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U75  Med    Lrg  
Description : A uniform polyhedron, coloured using off_color. The faces are coloured with a minimal proper colouring. The orange and purple used for the faces are taken from a colour map created on the command line. The edges are coloured white.

View this model with the command

off_color -f P -m map_orange:purple U75 -e white | antiview
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Geodesic Pack  Med    Lrg  
Description : An 8 frequency geodesic division of a planar icosahedron, displayed using balls for vertices. antiview -v b (vertices as balls) displays the vertices using the largest radius it can without them overlapping. The -x ef excludes the edge and face elements from the display.

View this model with the command

geodesic -M p -f 8 ico | antiview -v b -x ef
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Woven Icosahedron  Med    Lrg  
Description : An icosahedron is transformed into a weave by poly_weave. Each circuit is a single OFF face. This model has coincident circuit faces, which are merged by off_util. off_color colours the faces with a unique colour, and then colours the edges according to the faces they lie on. This gives each circuit of the weave a unique colour. After colouring the edges the face element is not need and is excluded from display in antiview.

View this model with the command

poly_weave ico | off_util -l 4 | off_color -f U -e F | antiview -v 0.08 -x f
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Geodesic Sphere  Med    Lrg  
Description : A geodesic sphere with the elements of each type given the same colour. The faces and edges are coloured with a named colour and the vertices are coloured a dark red by specifying the RGB colour components. Run off_util -H color for help on colouring.

View this model with the command

off_color -v 0.8,0.0,0.0 -f white -e grey30 geo_6 | antiview -v 0.04 -e 0.02
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String Art Tetrahedra  Med    Lrg  
Description : The string_art program makes models by attaching strings from one line or circle element to another. The strings are equally spaced along the element.

This model is based on a single unit with strings between two line elements, which are aligned to later be repeated symmetrically. off_color colours the strings cream and the vertices red. Finally, poly_kscope repeats the unit to produce a model with octahedral symmetry.

View this model with the command

string_art -l 20 -T 0,0,0.707 -R 0,0,45 -l 20 -T 0,0,-0.707 -R 0,0,-45 | off_color -e 1.0,1.0,0.7 -v 1.0,0.2,0.0 | poly_kscope -s O | antiview -v 0.03 -B black
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Zonohedron  Med    Lrg  
Description : A zonohedron based on a truncated icosahedron (using vectors from the centre to the vertices.) The faces and vertices are coloured by off_color.

View this model with the command

zono -m v tr_ico | off_color -f 0.4,0.4,0.9 -v 0,1.0,1.0 | antiview -v 0.5
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Zonohedron Dual  Med    Lrg  
Description : The previous zonohedron (made from the vertex offsets of a truncated icosahedron) is dualised, and coloured. The map shows how to define a colour map that includes a colour given by RGB components. Notice how the zones of the zonohedron have become a planar circuits in the dual.

View this model with the command

zono -m v tr_ico |pol_recip| off_color -f P  -m map_0/0.5/0.5:darkred | antiview -v 0.5 -E white
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Tiled Torus  Med    Lrg  
Description : unitile2d maps polygon tilings onto surfaces. In this case a 4,6,12 tiling is mapped onto a torus. The polygons are coloured according to their number of sides, and the colours are looked up in the spread colour map. The map is shifted by 8, arrived at by experimenting until I found a colour combination I liked. The antiview -t no_triangulation option improves the display of the non-planar polygons over the triangulated default.

View this model with the command

unitile2d -s t -l 90 -w 30 11 | off_color -f N -v 1.0,0.0,0.0 -m spread+8  | antiview -v 0.03 -e 0.025 -E grey80 -t no_tri
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Contact: adrian@antiprism.com      -      Generated on Sun 12 Feb 2012 12:08:49 PM CET