I have a .fig file and can I export it to the .obj file?

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alihan saglam
alihan saglam 2020-10-7
评论： alihan saglam 2020-10-20
Hello I have a code
x = gallery('uniformdata',30,1,1);
y = gallery('uniformdata',30,1,10);
plot(x,y,'.')
axis([-0.2 1.2 -0.2 1.2])
axis equal
k = boundary(x,y);
hold on
plot(x(k),y(k))
hold off
k0 = boundary(x,y,0);
k1 = boundary(x,y,1);
hold on
plot(x(k0),y(k0))
plot(x(k1),y(k1))
hold off
legend('Original points','Shrink factor: 0.5 (default)',...
'Shrink factor: 0','Shrink factor: 1')
P = gallery('uniformdata',30,3,5);
plot3(P(:,1),P(:,2),P(:,3),'.','MarkerSize',10)
grid on
k = boundary(P);
hold on
trisurf(k,P(:,1),P(:,2),P(:,3),'Facecolor','red','FaceAlpha',0.1)
hold off
[r,g,b] = meshgrid(linspace(0,1,50));
rgb = [r(:), g(:), b(:)];
lab = rgb2lab(rgb);
a = lab(:,2);
b = lab(:,3);
L = lab(:,1);
k = boundary(a,b,L);
trisurf(k,a,b,L,'FaceColor','interp',...
'FaceVertexCData',rgb,'EdgeColor','none')
xlabel('a*')
ylabel('b*')
zlabel('L*')
axis([-110 110 -110 110 0 100])
view(-10,35)
axis equal
title('sRGB gamut surface in L*a*b* space')
and it generates surface. But the problem that I can not export it as .obj file. Any suggestions?
  2 个评论
Rik
Rik 2020-10-8
What program were you planning to use the .obj file in?
alihan saglam
alihan saglam 2020-10-14
Blender. By the way I am not good at matlab. So should I copy/paste the code for export as .obj?

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采纳的回答

Pratheek Punchathody
Exporting 3D graphics from MATLAB to the .OBJ file format is not directly supported. The concerned people are aware of this and might consider implementing it in any future release.
However, there is a third-party library Wavefront OBJ toolbox which has a function “write_wobj(OBJ,filename);” that can export 3D figure as an .obj file.
This is one of the several submissions in MATLAB File Exchange on MATLAB Central which is a forum for our product users to interact, exchange information and knowledge, without MathWorks' involvement. Feel free to contact the author of this submission directly for specific questions about the implementation".
As a workaround, OBJ file is basically a space separated text file, hence it should be possible to write and read .obj file as a table.
Hope this helps.
  1 个评论
alihan saglam
alihan saglam 2020-10-20
Thank you for your response. I checked that link in the past but I could not do it. Is there any opportunity to help me to write the code? Regards, Han

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