Making an avi movie from a quiver plot.

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badscience 2017-12-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/372121-making-an-avi-movie-from-a-quiver-plot

I need to make an avi file from a quiver plot. I am new to matlab so please excuse the messy code. Here it is.

 rawdata=xlsread('Flight_1_fixed.xlsx'); %Importing Data
 time=rawdata(:,7);
 Zaccel=rawdata(:,2);
 Yaccel=rawdata(:,4);
 Xaccel=rawdata(:,6);
 resultant=rawdata(:,1);
 for i=1:length(resultant)  %Correcting for Outliers
    if resultant(i)>5
        resultant(i)=0;
    elseif resultant(i)<1
        resultant(i)=0;
    end
 end
 for j=1:length(Zaccel)    %Correcting for Outliers
    if Zaccel(i)<1
        Zaccel(i)=0
    elseif Zaccel(i)>5
        Zaccel(i)=0
    elseif Yaccel(i)<1
        Yaccel(i)=0
    elseif Yaccel(i)>5
        Yaccel(i)=0
    elseif Xaccel(i)<1
        Xaccel(i)=0
    elseif Xaccel(i)>5
        Xaccel(i)=0
    end
 end
 % Zaccel=-Zaccel;
 % Yaccel=-Yaccel;
 % Xaccel=-Xaccel;
 Zaccel=-2.0833.*Zaccel+5.146;
 Yaccel=1.8868.*Yaccel-4.66;
 Xaccel=-1.7857.*Xaccel+4.4107;
 unitx=[];                 %Creating X-componant of unit vector
 for i=1:length(Xaccel)
    unitx(i)=Xaccel(i)./resultant(i);
 end
 unity=[];                 %Creating Y-componant of unit vector
 for j=1:length(Yaccel)
    unity(j)=Yaccel(j)./resultant(j);
 end
 unitz=[];                 %Creating Z-componant of unit vector
 for k=1:length(Zaccel)
    unitz(k)=Zaccel(k)./resultant(k);
 end
 for i=1:length(Xaccel)
    theta(i)=atan2d(sqrt(Xaccel(i)^2+Yaccel(i)^2),-Zaccel(i));
 end
 fid=figure;
 hold on
 writerObj=VideoWriter('AccelerationVector.avi');
 writerObj.FrameRate=60;
 open(writerObj);
 for l=1:length(unitx)
    pause(1e-15);
    figure(fid);
    quiver3(unitx(l), unity(l), unitz(l), Xaccel(l), Yaccel(l), Zaccel(l));
    view(45,45);
    axis([-2 1 -2 1 -2 1]);
    M(l)=getframe(gcf);
    writeVideo(writerObj, M);
 end
 hold off
 close(writerObj);

The quiver plot shows me a changing vector in the xyz-plane. All I need is to export this as an avi file to put this "movie" in a presentation, but I get errors when trying to make the movie. So I just need this in an avi file, and I am not sure what to do.