View source for User:Ulf Rehmann/Test

<center>
<asy>
size(0,100);
pair z1=(-1,0);
pair z2=(1,0);
real r=1.5;
path c1=circle(z1,r);
path c2=circle(z2,r);

fill(c1, lightred);
fill(c2, lightgreen);

picture intersection;
fill(intersection,c1,lightred+lightgreen);
clip(intersection,c2);
add(intersection);

draw(c1);
draw(c2);

label("$A$",z1);
label("$B$",z2);
path g=(0,-2)--(0,-0.25);
draw(Label("$A\cap B$",0),g,Arrow);
</asy>


<asy>
size(0,2cm);
draw((0,0)--(1,0)--(1,1)--(0,1)--cycle);
label("$W$",(0,0),SW);
label("$X$",(1,0),SE);
label("$Y$",(1,1),NE);
label("$Z$",(0,1),NW);

</asy>   ------------------------------- <asy>
import three;

currentprojection=orthographic(5,4,2,center=true);

size(5cm);
size3(3cm,5cm,8cm);

draw(unitbox);

dot(unitbox,red);

label("$O$",(0,0,0),NW);
label("(1,0,0)",(1,0,0),S);
label("(0,1,0)",(0,1,0),E);
label("(0,0,1)",(0,0,1),Z);
</asy>


<asy>
import three;

size(500);

path3 g=(1,0,0)..(0,1,0)..(-1,0,0)..(0,-1,0)..cycle;
draw(g);
draw(O--Z,red+dashed,Arrow3);
draw(((-1,-1,0)--(1,-1,0)--(1,1,0)--(-1,1,0)--cycle));
dot(g,red);


size(500,0);
path3 g=(1,0,0)..(0,1,1)..(-1,0,0)..(0,-1,1)..cycle;
draw(g);
draw(((-1,-1,0)--(1,-1,0)--(1,1,0)--(-1,1,0)--cycle));
dot(g,red);
</asy>


</center>

Prima!

Prima!