Input real image of solar system into matlab

Hi guys,

How can we put real image of solar system: planets, sun into matlab? I have tried to research but no luck. I tried to input galaxy image into my code it keeps saying file is not found and if i put in a different tab it allows me to. That will be great if anyone could help. Thank you.

[Walter Roberson]

[filename, pathname] = uigetfile('*.*', 'Select an image file');
fullname = fullfile(pathname, filename);
img = imread(fullname);
imshow(img)

[Jack Nguyen]

Thanks for your response Walter. I'm still new to matlab and tried it but it did not work. Could you please elaborate it a little bit more? For example I'm trying to input a real image of the earth into the solar system that I'm working on with image file name : 'galaxy.jpg', path to it is : C:\Users\jj\Desktop . How would I do that with the image and the path above? Thank you very very much in advance. (I have tried to searched for days but no luck yet)

This is my code:

% Initialise variables to hold the physical constants
clear;
clc;
% Set a vector for mass
mass = [1.989e30; 0.33011e24; 4.8675e24; 5.9723e24; 0.64171e24; 1898.19e24; 568.34e24; 86.813e24; 102.413e24]; %kg
deltaT = 432000;
G= 6.67e-11; %N*m^2*kg^-2
% Set position vector for planets
p = [0 0 0 ; 5.8e10 0 0; 1.08e11 0 0; 1.5e11 0 0; 2.28e11 0 0; 7.78e11 0 0; 1.427e12 0 0; 2.871e12 0 0; 4.498e12 0 0];
% 
% Set velocity vector 'v' 
v = [0 0 0; 0 47.36e3 0; 0 35.02e3 0; 0 29.78e3, 0; 0 24.07e3 0; 0 13.06e3 0; 0 9.68e3 0; 0 6.80e3 0; 0 5.43e3 0];
% % Open a figure for plotting and set up the axes
% image_file = 'galaxy.jpg';
% R = importdata(image_file);
% image(R)

% imwrite(image, 'galaxy.jpg')

plot3 (p(1,1),p(1,2),p(1,3),'yo','linewidth',7);
hold on

h2 = plot3(p(2,1), p(2,2), p(2,3), 'bo','linewidth',2);
h3 = plot3(p(3,1), p(3,2), p(3,3), 'yo','linewidth',2.5);
h4 = plot3(p(4,1), p(4,2), p(4,3), 'bo','linewidth',2.2);
h5 = plot3(p(5,1), p(5,2), p(5,3), 'ro','linewidth',2);
h6 = plot3(p(6,1), p(6,2), p(6,3), 'yo','linewidth',5);
h7 = plot3(p(7,1), p(7,2), p(7,3), 'yo','linewidth',3);
h8 = plot3(p(8,1), p(8,2), p(8,3), 'co','linewidth',3);
h9 = plot3(p(9,1), p(9,2), p(9,3), 'bo','linewidth',3);

A2 = animatedline;
A3 = animatedline;
A4 = animatedline;
A5 = animatedline;
A6 = animatedline;
A7 = animatedline;
A8 = animatedline;
A9 = animatedline;

% Set Axes  limit
% xlim([-2e11 2e12 ]);
% ylim([-2e11 2e12]);
% zlim([-2e11 2e11]);
%% Iterate each element in mass, p and v
while true    
for i = 2:1:numel(mass)
    F = zeros(numel(mass),3);
    a = zeros(numel(mass),3);
        for j= 1:1:numel(mass)
            if  i~=j
                r = p(j,:,:) - p(i,:,:);
                F(j,:) = G* mass(i)* mass(j) .* r/((norm(r).^3));
            end
        end
        %% Updating new acceleration, velocity and position for each planet

        a(i,:) = sum(F)/ mass(i);
        v(i,:) = v(i,:) + a(i,:) *deltaT;
        p(i,:) = p(i,:) + v(i,:) .* deltaT;
%         
end
%%
% Updating new acceleration, velocity and position for each planet

% Set xdata, ydata, zdata
set(h2, 'XData',p(2,1), 'YData',p(2,2),'ZData',p(2,3));
set(h3, 'XData',p(3,1), 'YData',p(3,2),'ZData',p(3,3));
set(h4, 'XData',p(4,1), 'YData',p(4,2),'ZData',p(4,3));
set(h5, 'XData',p(5,1), 'YData',p(5,2),'ZData',p(5,3));
set(h6, 'XData',p(6,1), 'YData',p(6,2),'ZData',p(6,3));
set(h7, 'XData',p(7,1), 'YData',p(7,2),'ZData',p(7,3));
set(h8, 'XData',p(8,1), 'YData',p(8,2),'ZData',p(8,3));
set(h9, 'XData',p(9,1), 'YData',p(9,2),'ZData',p(9,3));


%%
% Draw animated lines

addpoints(A2, p(2,1),p(2,2));
addpoints(A3, p(3,1),p(3,2));
addpoints(A4, p(4,1),p(4,2));
addpoints(A5, p(5,1),p(5,2));
addpoints(A6, p(6,1),p(6,2));
addpoints(A7, p(7,1),p(7,2));
addpoints(A8, p(8,1),p(8,2));
addpoints(A9, p(9,1),p(9,2));
drawnow limitrate;
end

[Image Analyst]

I don't see imread() in your code. Please attach 'galaxy.jpg' so we can fix the code.

[Walter Roberson]

filename = 'C:\users\jj\Desktop\galaxy.jpg';
R = imread(filename);
image(R)

Using imread() instead of importdata()

[jack nguyen]

I'm trying to use this image for the back ground. My plot is 3D and this only 2D image so should I have to convert it into 3D somehow? I'm not sure how to convert it by the way. When I import this image to my plot it only show the image not the actual solar system.

Technically, I'm not sure how to start. I'm intend to put the image of the actual earth, sun, venus, and other planets so make it more realistic. I should looks something like this the image below.

What would you recommend, please? Thank you!

[Walter Roberson]

Do you want a static background image that should always appear "behind" the plot no matter what is drawn in front of it? Do you want it to be like a single piece of paper behind the plot, that the user would view at different angles if they were to rotate the plot? Were you hoping for proportionally sized and positioned spheroids that would get larger or smaller and more or less detailed according to angle and how close the user zoomed? Does the user need to be able to zoom into the ice mountains of Pluto and into license plates on Earth?

[jack nguyen]

If there is a way to make the background 3D that would be great. I dont think I will need proportionally sized and postion spheroids that would get larger or smaller according to angle at this stage. I'm still a beginner and hoping to learn once I learn other stuff first. And I don't need to see ice mountains of Pluto or other details. Just what it looks like the picture of solar system above will be a bounus to me. Would you please kindly walk me through as I have been researched for days but no luck yet not like I just want to know straight away without doing research. Thank you so much!