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3D colored line plot

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4.5 | 2 ratings Rate this file 28 Downloads (last 30 days) File Size: 1.47 KB File ID: #23566 Version: 1.4
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3D colored line plot

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06 Apr 2009 (Updated )

Plot 3D lines with CData, (actually surface)

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Description

plots a 3-D "line" with c-data as color
Makes a surface object and the colouring is controlled by the colormap.

Example:
v_start = [2 1 8]; % m/s
g = 9.81; % m/(s^2)
t_impact = 2*v_start(3)/g; % s
t = [0:t_impact/100:t_impact]'; % s
x = v_start(1)*t; % m
y = v_start(2)*t; % m
z = v_start(3)*t-1/2*g*t.^2; % m
velocity = ([[x(2:numel(t)) y(2:numel(t)) z(2:numel(t))]-[x(1:numel(t)-1) y(1:numel(t)-1) z(1:numel(t)-1)];[0 0 0]]); % m/s
speed = sqrt(sum(velocity.^2,2)); % m/s
color_line3(x,y,z,speed);
axis equal vis3d; view(15,15);
title('trajectory of a projectile, color = speed');
axis equal vis3d; view(15,15);
colorbar

Acknowledgements

Colored Line Or Scatter Plot inspired this file.

MATLAB release MATLAB 7.1.0 (R14SP3)
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Comments and Ratings (3)
21 Jul 2011 Adam Nieslony

Adam Nieslony (view profile)

 
08 Apr 2010 James Edwards

works perfectly, thanks!

29 Jan 2010 Ward verhelst

great stuff,..thanks a lot

Comment only
Updates
14 Apr 2009 1.1

Added example

14 Apr 2009 1.2

add filename to title

22 Oct 2009 1.4

removed "scatter" from title

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