Plik:Electromagnetic_wave.svg

Asymptote source code:

import graph3;import three;import settings;outformat="pdf";settings.render = 0;settings.prc = false;usepackage("fourier");defaultpen(font("T1","fut\textfamilyextension","m","n"));size(300, 300);// Set the camera.currentprojection=perspective(16,-8,4);void drawArrowX(){  real x0 = 12.8;  real halfWidth = 0.02;  real lineLength = 0.5;  real arrowHalfWidth = 0.10;  real arrowLength = 0.2;    draw(       (x0,-halfWidth,0)    -- (x0 + lineLength,-halfWidth,0)    -- (x0 + lineLength,-halfWidth - arrowHalfWidth,0)    -- (x0 + lineLength + arrowLength,0,0)    -- (x0 + lineLength,halfWidth + arrowHalfWidth,0)    -- (x0 + lineLength,halfWidth,0)    -- (x0,halfWidth,0)    -- cycle );}void drawArrowY(real x, real v){  real arrowHalfWidth = 0.07;  real arrowLength = 0.2;    real absV = abs(v);  real dir = v / absV;  real newV = dir * (absV - arrowLength);    draw( (x, 0, 0) -- (x, newV, 0));    draw(       ( x - arrowHalfWidth, newV, 0)    -- ( x, v, 0)    -- ( x + arrowHalfWidth, newV, 0)    -- cycle );}void drawArrowZ(real x, real v){  real arrowHalfWidth = 0.07;  real arrowLength = 0.2;    real absV = abs(v);  real dir = v / absV;  real newV = dir * (absV - arrowLength);    draw( (x, 0, 0) -- (x, 0, newV));    draw(       ( x - arrowHalfWidth, 0, newV)    -- ( x, 0, v)    -- ( x + arrowHalfWidth, 0, newV)    -- cycle );}void drawSineArrowsY(int i){  real x;  real z;    x = pi * i + pi * 0.1;  z = -2 * sin(x);  drawArrowY(x, z);  x = pi * i + pi * 0.3;  z = -2 * sin(x);  drawArrowY(x, z);  x = pi * i + pi * 0.5;  z = -2 * sin(x);  drawArrowY(x, z);  x = pi * i + pi * 0.7;  z = -2 * sin(x);  drawArrowY(x, z);  x = pi * i + pi * 0.9;  z = -2 * sin(x);  drawArrowY(x, z);}void drawSineArrowsZ(int i){  real x;  real z;    x = pi * i + pi * 0.1;  z = 2 * sin(x);  drawArrowZ(x, z);  x = pi * i + pi * 0.3;  z = 2 * sin(x);  drawArrowZ(x, z);  x = pi * i + pi * 0.5;  z = 2 * sin(x);  drawArrowZ(x, z);  x = pi * i + pi * 0.7;  z = 2 * sin(x);  drawArrowZ(x, z);  x = pi * i + pi * 0.9;  z = 2 * sin(x);  drawArrowZ(x, z);}void drawArrowsY(){  drawSineArrowsY(0);  drawSineArrowsY(1);  drawSineArrowsY(2);  drawSineArrowsY(3);}void drawArrowsZ(){  drawSineArrowsZ(0);  drawSineArrowsZ(1);  drawSineArrowsZ(2);  drawSineArrowsZ(3);}void drawLambdaBarX(){  real x0 = pi * 0.5;  real x1 = pi * 2.5;  real m = 0.5 * (x1 + x0);  real z = 2.3;  real halfWidth = 0.07;    draw( (x0, 0.0, z) -- (x1, 0.0, z) );  draw( (x0, 0.0, z - halfWidth) -- (x0, 0.0, z + halfWidth) );  draw( (x1, 0.0, z - halfWidth) -- (x1, 0.0, z + halfWidth) );    draw("$\lambda$",(m,0,2.6));}real x1(real x) {return x;}real y1(real x) {return 0.0;}real z1(real x) {return 2.0 * sin(x);}real x2(real x) {return x;}real y2(real x) {return -2.0 * sin(x);}real z2(real x) {return 0.0;}// Draw the arrows.drawArrowX();drawArrowsY();drawArrowsZ();// Draw the sines.draw(graph(x1,y1,z1,0.0,4pi));draw(graph(x2,y2,z2,0.0,4pi));// Draw the wave length meter.drawLambdaBarX();draw("$\vec E$",(10,0,-2));draw("$\vec B$",(12,0,1.5));