What is wrong with my code.I want to connect stars(*)by straight line,but it's printing only points,not line!
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function draw_constellations
set(gcf,'color','m');
set(gca,'color','m');
axis([0 100 0 100])
hold on;
while 1
[x,y,button]=ginput(1);
switch button
case 1
plot(x,y,'w*-');
case{'q','Q'}
break;
end
end
end
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Antworten (1)
Steven Lord
am 29 Mai 2020
You're creating one line per ginput call, plotting one point per line. They're not all the same line object so they're not connected. I would create an animatedline object before entering the while loop and addpoints to it inside.
h = animatedline('Marker', '*', 'LineStyle', '-');
while 1
[x,y,button]=ginput(1);
switch button
case 1
addpoints(h, x, y);
case{'q','Q'}
break;
end
end
2 Kommentare
Steven Lord
am 29 Mai 2020
Specify additional properties of the animatedline when you construct it, like I did with the Marker and LineStyle properties. The properties you can change are listed on this documentation page.
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