/usr/share/radiance/plink.cal is in radiance-materials 4R1+20120125-1.1.
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Definitions for PLINK-specific materials
This file assumes meters.
Created: 03Sept91 Greg Ward
Last modified: 03Sept91
}
{ pattern for criss-crossed wires in armored glass (armee) }
wire_width : .001;
wire_spacing : .011;
u_armor = wire_width - mod(U,wire_spacing);
v_armor = wire_width - mod(V,wire_spacing);
arm_wire = if(or(u_armor,v_armor), .2, 1);
{ texture for bathroom-style glass (granule) }
gran_scale : .002;
gran_mag = .3*Rdot;
gran_dx = gran_mag * noise3a(Px/gran_scale,Py/gran_scale,Pz/gran_scale);
gran_dy = gran_mag * noise3b(Px/gran_scale,Py/gran_scale,Pz/gran_scale);
gran_dz = gran_mag * noise3c(Px/gran_scale,Py/gran_scale,Pz/gran_scale);
{ texture for "hammered" glass (martele) }
mg_scale : .001;
mg_mag = .15*Rdot;
mb_scale : .01;
mb_cvr : .2;
mb_val = noise3(Px/mb_scale,Py/mb_scale,Pz/mb_scale);
mb_true = mb_cvr/2 - abs(mb_val);
mb_mag = mb_val/(mb_cvr/2)*Rdot;
mar_dx = if(mb_true,
mb_mag*noise3a(Px/mb_scale,Py/mb_scale,Pz/mb_scale),
mg_mag*noise3a(Px/mg_scale,Py/mg_scale,Pz/mg_scale));
mar_dy = if(mb_true,
mb_mag*noise3b(Px/mb_scale,Py/mb_scale,Pz/mb_scale),
mg_mag*noise3b(Px/mg_scale,Py/mg_scale,Pz/mg_scale));
mar_dz = if(mb_true,
mb_mag*noise3c(Px/mb_scale,Py/mb_scale,Pz/mb_scale),
mg_mag*noise3c(Px/mg_scale,Py/mg_scale,Pz/mg_scale));
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