Add files via upload

Author: tamaskis

DOCUMENTATION.pdf

@@ -38,7 +38,7 @@
 %planet3D('Pluto');
 
 % light source
-light('Position',[1 -1 0]);
+light('Position',[1,-1,0]);
 
 
 
@@ -47,7 +47,7 @@
 % plot
 figure;
 planet3D('Saturn',[],[],'ecliptic')
-light('Position',[1 -1 0]);
+light('Position',[1,-1,0]);
 grid on;
 
 
@@ -79,22 +79,22 @@
                 si*sw            si*cw             ci];
 
 % rotates coordinates of orbit to ECI frame
-r_I = zeros(size(nu));
-r_J = zeros(size(nu));
-r_K = zeros(size(nu));
+rI = zeros(size(nu));
+rJ = zeros(size(nu));
+rK = zeros(size(nu));
 for j = 1:length(nu)
     new_coordinates = R_PQW_to_IJK*[r_P(j);r_Q(j);r_W(j)];
-    r_I(j) = new_coordinates(1);
-    r_J(j) = new_coordinates(2);
-    r_K(j) = new_coordinates(3);
+    rI(j) = new_coordinates(1);
+    rJ(j) = new_coordinates(2);
+    rK(j) = new_coordinates(3);
 end
 
 % plot
 figure;
 background('Black');
 hold on;
 planet3D('Earth Cloudy',[],[],[],[],0.25);
-plot3(r_I,r_J,r_K,'color',[140,21,21]/255,'linewidth',1.5);
+plot3(rI,rJ,rK,'color',[140,21,21]/255,'linewidth',1.5);
 hold off;
 grid on;
 ax = gca;

EXAMPLES.m

@@ -52,18 +52,18 @@
 % included with the download.
 %
 % Copyright (c) 2021 Tamas Kis
-% Last Update: 2021-03-27
+% Last Update: 2021-04-05
 
 
 
 %% FUNCTION
 
 % INPUT: planet - name of celestial body
-%        position - position of planet's geometric center
-%        gmst - Greenwich mean sidereal time [deg]
-%        reference_plane - 'equatorial' or 'ecliptic'
-%        units - units for drawing planet
-%        transparency - 0 for 100% transparent, 1 for 100% solid
+%        position - (OPTIONAL) position of planet's geometric center
+%        gmst - (OPTIONAL) Greenwich mean sidereal time [deg]
+%        reference_plane - (OPTIONAL) 'equatorial' or 'ecliptic'
+%        units - (OPTIONAL) units for drawing planet
+%        transparency - (OPTIONAL) 0 for 100% transparent, 1 for 100% solid
 % OUTPUT: 3D plot of specified celestial body 
 function planet3D(planet,position,gmst,reference_plane,units,transparency)