4.3 - Figur - Spegling i y-axeln

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(Ny sida: <noinclude>Detta är en figur som används i teoriavsnitt 4.3 och är ritad i språket [http://en.wikipedia.org/wiki/Metapost Metapost]. Du kan redigera bild...)
Nuvarande version (23 mars 2008 kl. 14.03) (redigera) (ogör)
 
Rad 117: Rad 117:
drawarrow (-Lx_lft,0)--(Lx_rt,0);
drawarrow (-Lx_lft,0)--(Lx_rt,0);
label.rt(btex \small\strut $x$ etex, (Lx_rt,0));
label.rt(btex \small\strut $x$ etex, (Lx_rt,0));
-
draw (0,-Ly_lwr)--(0,3.1dy);
+
drawarrow (0,-Ly_lwr)--(0,Ly_upr);
-
draw (0,3.1dy)--(0,3.9dy) withcolor 0.7[lightgrey,white];
+
-
drawarrow (0,3.9dy)--(0,Ly_upr);
+
label.top(btex \small\strut $y$ etex, (0,Ly_upr));
label.top(btex \small\strut $y$ etex, (0,Ly_upr));
Rad 143: Rad 141:
pickup pencircle scaled 0.6pt;
pickup pencircle scaled 0.6pt;
p_radius := (0,0)--R*2dx*(dir (180-v));
p_radius := (0,0)--R*2dx*(dir (180-v));
-
draw p_radius withcolor lightgrey dashed evenly;
+
draw p_radius dashed evenly;
pickup pencircle scaled 2.8pt;
pickup pencircle scaled 2.8pt;
-
drawdot point infinity of p_radius withcolor lightgrey;
+
drawdot point infinity of p_radius;
% The angle v
% The angle v
path p_angle;
path p_angle;
-
r := 0.75;
+
r := 0.85;
ahangle := 20; % Angle of the arrow tip
ahangle := 20; % Angle of the arrow tip
ahlength := 3bp; % Length of the arrow tip
ahlength := 3bp; % Length of the arrow tip
Rad 161: Rad 159:
picture p;
picture p;
p := thelabel.urt(btex $v$ etex, origin);
p := thelabel.urt(btex $v$ etex, origin);
-
draw p scaled 0.7 shifted (r*2dx*(dir 5));
+
draw p scaled 1.0 shifted (r*2dx*(dir 0));
% The angle -v
% The angle -v
path p_angle;
path p_angle;
-
r := 0.75;
+
r := 0.85;
ahangle := 20; % Angle of the arrow tip
ahangle := 20; % Angle of the arrow tip
ahlength := 3bp; % Length of the arrow tip
ahlength := 3bp; % Length of the arrow tip
Rad 174: Rad 172:
..{dir (180-v-90)}r*2dx*(dir (180-v));
..{dir (180-v-90)}r*2dx*(dir (180-v));
pickup pencircle scaled 0.2pt;
pickup pencircle scaled 0.2pt;
-
drawarrow endshy p_angle withcolor lightgrey;
+
drawarrow endshy p_angle;
picture p;
picture p;
p := thelabel.ulft(btex $-v$ etex, origin);
p := thelabel.ulft(btex $-v$ etex, origin);
-
draw p scaled 0.7 shifted (r*2dx*(dir 175));
+
draw p scaled 1.0 shifted (r*2dx*(dir 180));
% The double arrow
% The double arrow
pickup pencircle scaled 0.4pt;
pickup pencircle scaled 0.4pt;
-
reflectarrow((0,2.6dx),(0,1));
+
%reflectarrow((0,2.6dx),(0,1));
% Rescale the image
% Rescale the image

Nuvarande version

Detta är en figur som används i teoriavsnitt 4.3 och är ritad i språket Metapost. Du kan redigera bilden genom att klicka på redigera-fliken.


[Image]