I am trying to draw a tennis court with a green court and white lines

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Kevin Junior
Kevin Junior 2013-10-1
评论： Adam 2017-11-27
How do i pull that off using functions??

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回答（1 个）

Sean de Wolski
Sean de Wolski 2013-10-1
编辑：Sean de Wolski 2013-10-1
bgc = [0.85 0.85 0.85]; %backgroundcolor
figure('color',bgc);
axes('color',bgc,'XColor',bgc,'YColor',bgc,'ZColor',bgc);
patch('XData',[0 100 100 0],'YData',[0 0 200 200],'FaceColor','g','Edgecolor','w'); %court
axis equal;
box off
axis tight;
line([15 15],[0 200],'color','w','LineWidth',5); %lines
line([85 85],[0 200],'color','w','LineWidth',5);
[xx,yy,zz] = ndgrid(1:100,100,0:5); %build net
hold on
colormap(zeros(2,3)); %black net
mesh(xx,yy,zz,squeeze(ones(size(yy))),'FaceAlpha',0); %net
view(-25,16); %view
  2 个评论
Lewis McKee
Lewis McKee 2017-11-27
The problem I am having with this code is with the mesh.
With the mesh coding, theres constantly an error on line 71:
Undefined function 'surfchk' for input arguments of type 'double'. Error in mesh (line 71) error(surfchk(regdata{:}));
followed by line 13 in this code:
Error in tenniscourt (line 13) mesh([xx,yy,zz],squeeze(ones(size(yy))),'FaceAlpha',0); %net
I'm uncertain on how to fix this. Could someone help?
Adam
Adam 2017-11-27
Well I don't know if it gets rid of the error, but you didn't use the same syntax in your call to mesh. Sean's original answer passes in xx, yy and zz as 3 distinct arguments, you put them all into a single array.

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