## Re: [Inkscape-user] Difficulty understanding a tutorial

 Re: [Inkscape-user] Difficulty understanding a tutorial From: Jarlath - 2007-04-22 22:29:46 ``` On Sun, 22 Apr 2007 22:20:49 +0200 Tavmjong Bah wrote: > On Sun, 2007-04-22 at 20:23 +0100, Jarlath wrote: > > I'm doing an inkscape tutorial where you make a flag of the EU. > > http://tavmjong.free.fr/INKSCAPE/MAN...ExampleEU.html > >=20 > > At the end, the author explains the positioning of the stars in > > terms of mathematics; > >=20 > > Quote: > > Next, select the original star and make a new Clone. This time move > > the Clone 60 pixels downward direction (-60). Repeat for the > > Horizontal (x) direction. For the rest of the stars use the eight > > permutations of x(y) =3D =C2=B130 and y(x) =3D =C2=B152 pixels (60 time= s the sine > > and cosine of 30=C2=B0 respectively). It's the bold part I don't > > understand. I've tried getting the COS and SINE of these numbers > > but the resulting figures (even when multiplied by said '60') don't > > position the stars correctly. > >=20 > > If anyone can help here I'd appreciate it. I did contact the author > > a few days ago, but I'd like to get on with the tutorial and it's > > probably something I should know. >=20 > Sorry not to get back go you right away... I've got a three month old > that is keeping me quite busy. >=20 > Permutations: >=20 > 1 x =3D 30 (60px x sin( 30=C2=B0 )) y =3D 52 (60px x cos( 30=C2= =B0 )) > 2 x =3D 30 y =3D -52 > 3 x =3D -30 y =3D 52 > 4 x =3D -30 y =3D -52 > 5 x =3D 52 y =3D 30 > 6 x =3D 52 y =3D -30 > 7 x =3D -52 y =3D 30 > 8 x =3D -52 y =3D -30 >=20 > Tav Hello Tavmjong, Wow, you must busy indeed! Congratulations and thank you so much for your time. Best wishes, Jarlath ```

 Re: [Inkscape-user] Difficulty understanding a tutorial From: Jarlath - 2007-04-22 22:29:46 ``` On Sun, 22 Apr 2007 22:20:49 +0200 Tavmjong Bah wrote: > On Sun, 2007-04-22 at 20:23 +0100, Jarlath wrote: > > I'm doing an inkscape tutorial where you make a flag of the EU. > > http://tavmjong.free.fr/INKSCAPE/MAN...ExampleEU.html > >=20 > > At the end, the author explains the positioning of the stars in > > terms of mathematics; > >=20 > > Quote: > > Next, select the original star and make a new Clone. This time move > > the Clone 60 pixels downward direction (-60). Repeat for the > > Horizontal (x) direction. For the rest of the stars use the eight > > permutations of x(y) =3D =C2=B130 and y(x) =3D =C2=B152 pixels (60 time= s the sine > > and cosine of 30=C2=B0 respectively). It's the bold part I don't > > understand. I've tried getting the COS and SINE of these numbers > > but the resulting figures (even when multiplied by said '60') don't > > position the stars correctly. > >=20 > > If anyone can help here I'd appreciate it. I did contact the author > > a few days ago, but I'd like to get on with the tutorial and it's > > probably something I should know. >=20 > Sorry not to get back go you right away... I've got a three month old > that is keeping me quite busy. >=20 > Permutations: >=20 > 1 x =3D 30 (60px x sin( 30=C2=B0 )) y =3D 52 (60px x cos( 30=C2= =B0 )) > 2 x =3D 30 y =3D -52 > 3 x =3D -30 y =3D 52 > 4 x =3D -30 y =3D -52 > 5 x =3D 52 y =3D 30 > 6 x =3D 52 y =3D -30 > 7 x =3D -52 y =3D 30 > 8 x =3D -52 y =3D -30 >=20 > Tav Hello Tavmjong, Wow, you must busy indeed! Congratulations and thank you so much for your time. Best wishes, Jarlath ```