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List: discuss@lists.openscad.org
From: Michael Marx
 
Re: Transforming an Oval
Wed, Aug 3, 2022 12:45 AM
let(a = i*2*360) [ cos(a) + 0.5, sin(a) ] : i < 0.375 ? [ (0.25 - i)*4, 1 ] : i < 0.625 ? let(a = (i-0.25)*2*360) [ cos(a) - 0.5, sin(a) ] : i < 0.875 ?
List: discuss@lists.openscad.org
From: Revar Desmera
 
Re: sinwave glass
Sat, Aug 26, 2023 12:24 PM
n = h/5; tscale = 1; tex = [ for (i=[0:31]) [ for (j=[0:31]) sin(i/32*360) * sin(j/32*360) ] ]; difference() { cyl(h=h, r=r, texture=tex, tex_size=[n,n], tex_scale=tscale, anchor=BOT); difference() { cyl(h=h+0.01, r=r-wall, texture=tex, tex_size=[n,n], tex_scale=tscale, anchor=BOT); cyl(h=wall, r=r*2, anchor=BOT
List: discuss@lists.openscad.org
From: John David
 
Re: How can I connect these two pieces?
Sat, Mar 8, 2025 1:20 AM
.) > // Remembering that sine is opposite over hypotenuse, the > // y-distance between the start and the end (the length of > // the vertical bar) is r*sin(a). > poly11end = [-r*cos(a), -r*sin(a)]; > // Poly12 is the reverse curve (and the connection between > // poly11 and poly12 is the straight segment.
List: usrp-users@lists.ettus.com
From: Ian Buckley
 
Re: [USRP-users] Frequency translation works differently on N210 and B210.
Thu, Oct 2, 2014 5:32 AM
(2*pi*f*t) on an RF carrier fc should result in two components at fc+f and fc-f, but outputting a complex-valued baseband signal x(t) = exp(2*pi*f*t) should only result in an fc+f component.
List: usrp-users@lists.ettus.com
From: Urban Hakansson
 
Re: [USRP-users] Frequency translation works differently on N210 and B210.
Wed, Oct 1, 2014 7:45 PM
(2*pi*f*t) on an RF carrier fc should result in two components at fc+f and fc-f, but outputting a complex-valued baseband signal x(t) = exp(2*pi*f*t) should only result in an fc+f component.
List: pjsip@lists.pjsip.org
From: WagTail Support
 
Re: [pjsip] NAT64 for iOS
Wed, Jun 1, 2016 8:47 AM
Si no es usted. el > destinatario indicado, queda notificado de que la lectura, utilización, > divulgación y/o copia sin autorización puede estar prohibida en virtud de > la legislación vigente.
List: pjsip@lists.pjsip.org
From: Ashok Narvaneni
 
Re: [pjsip] NAT64 ios issue
Tue, Apr 18, 2017 11:03 AM
Si no es usted. el > destinatario indicado, queda notificado de que la lectura, utilización, > divulgación y/o copia sin autorización puede estar prohibida en virtud de > la legislación vigente.
List: discuss@lists.openscad.org
From: Sanjeev Prabhakar
 
Re: creating surfaces
Sun, Oct 29, 2023 10:07 AM
You show what >> appears to be a multiplicative surface, but an additive surface is another >> valid interpretation, yet has a rather different result: >> >> >> [image: Screenshot 2023-10-28 at 1.38.51 PM.png] >> >> include >> >> function surface_from_2_waves(xwave, ywave, oper = function(x,y) x*y) = [ >> for(ypt = ywave) [ >> for
List: discuss@lists.openscad.org
From: Adrian Mariano
 
Re: reduction of computing time - ideas?
Thu, Dec 26, 2024 3:03 PM
>> > let (gamma2 = asin(rPosK * sin(phiNorm) / rK)) >> > let (beta2 = 180 - phiNorm - gamma2) >> > rK * sin(beta2) / sin(phiNorm) >> > : >> > let (delta = alpha - phiNorm) >> > let (epsilon = 180 - asin(rPosN * sin(delta) / rN)) >> > let (rho
List: discuss@lists.openscad.org
From: Peter Falke
 
Re: [OpenSCAD] 3D Rotation to the point
Tue, Feb 17, 2015 4:40 PM
atan2((x(i)*cos(rotx(i))), y(i) ); >> //function roty(i) = atan2( cos(rotx(i)), sin(rotx(i))*sin(rotz(i))) >> >> //for( i = [0:7]) { >> // if (z(i)>=0) { >> //rotate([rotx(i),roty(i),rotz(i)] >> //translate(POINTS[i]) >> //cylinder(h=h(i),r=RADIUS); >> //} >> //else { >> //rotate([rotx(i),roty2(i),rotz(i)] >> //translate(POINTS[i]) >> //cylinder(h=h(i),r=RADIUS