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"Invalid handle." Error while using "Plot3".

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Abhay Aradhya
Abhay Aradhya 2017-6-9
回答： Walter Roberson 2017-6-9
ax = axes('Parent',customUserInterface,'Position',[.1 .5 .375 .4]);
hold on
for m=1:numOfAP
plot3(ax,Data(m).traj(:,1),Data(m).traj(:,2),Data(m).traj(:,3),'g','LineWidth',2)
hold on
grid on
end
hold on
The Error points to the line with "Plot3". What am I going wrong with? Thanks in advance.
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Abhay Aradhya
Abhay Aradhya 2017-6-9
@walterRoberson
I checked the code once again but I do not have a "clear all" or "close all" anywhere in the code. I am putting down the code for your ref. Please suggest some work around. Thanks in advance.
customUserInterface = figure('Name','Solution selector window');
ax = axes('Parent',customUserInterface,'Position',[.1 .5 .375 .4]);
hold on
% to plot all the crossing points
subplot(ceil(sqrt(size(sectors_all,1))),ceil(sqrt(size(sectors_all,1))),p, 'Position',flightDataPlotPosition);
hold on;
if isempty(CP_xyz) == 0
plot3(ax,CP_xyz(:,1),CP_xyz(:,2),CP_xyz(:,3),'rh','LineWidth',2);
end
hold on
% To plot the trajectory taken by all the flights in the current hour
for m=1:numOfAP
plot3(ax,Data(m).traj(:,1),Data(m).traj(:,2),Data(m).traj(:,3),'g','LineWidth',2)
hold on
grid on
end
hold on
Abhay Aradhya
Abhay Aradhya 2017-6-9
编辑：Abhay Aradhya 2017-6-9
Found out that the "subplot" is the culprit. And without that it works fine. Any idea of a workaround?

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采纳的回答

Walter Roberson
Walter Roberson 2017-6-9
subplot() removes any axes that it overlaps. Your subplot() has exactly the same Position as your axes() call, so the subplot axes is going to overlap the explicit axes() created, which will cause the specific axes to be deleted.

更多回答（1 个）

KSSV
KSSV 2017-6-9
You should proceed like this.
h = plot3(rand(1,2),rand(1,2),rand(1,2),'g','LineWidth',2) ;
grid on
for m=1:100
set(h,'XData',rand(1,2),'YData',rand(1,2),'ZData',rand(1,2)) ;
end
  2 个评论
Abhay Aradhya
Abhay Aradhya 2017-6-9
编辑：Abhay Aradhya 2017-6-9
customUserInterface = figure('Name','Solution selector window');
ax = axes('Parent',customUserInterface,'Position',[.1 .5 .375 .4]);
hold on
subplot(ceil(sqrt(size(sectors_all,1))),ceil(sqrt(size(sectors_all,1))),p, 'Position',[.1 .5 .375 .4]);
hold on;
h = plot3(ax,rand(1,2),rand(1,2),rand(1,2),'g','LineWidth',2) ;
grid on
for m=1:numOfAP
set(h,'XData',Data(m).traj(:,1),'YData',Data(m).traj(:,2),'ZData',Data(m).traj(:,3))
end
hold on
Tried the above approach to no avail the same error exists...!!!
It shows error at "plot3" again. Without the "ax" it seems to be working fine though, but I do need the referencing in my case as I am trying to plot 2 3D graphs on the same GUI. Please suggest any other solution. Thanks in advance
Abhay Aradhya
Abhay Aradhya 2017-6-9
编辑：Abhay Aradhya 2017-6-9
Found out that the "subplot" is the culprit. And without that it works fine. Any idea of a workaround?

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