Surf plot on GUI interface

2022 10 4
1 个回答
更新时间：2022 10 4
6 次查看（30 天）

0 个投票

Hello,
For my project, I would like to integrate a surf plot onto a GUI interface with a slider that update the plot inside the interface.
I tested the surf plot apart and it works fined but when i try to take the same structure as "Heatmap version" of the code that worked fine i got the error:
"Error using surf
Z must be a matrix, not a scalar or vector.
Error in TimeLapseInterpolatedMap (line 72)
heatObj = surf(uip,Vq);"
Of course, I understood that putting "iup" in the first argument of surf function doesn't work but then I don't know how to integrate it with my GUI.
Con you help me ?
Thank you !
% HEATMAP VERSION (WORKING)
data = M;
fig = uifigure();
uip = uipanel(fig,'Position', [20 100 500 300]);
heatObj = heatmap(uip, data(:,:,1),'Colormap', hsv,'CellLabelColor', 'none','ColorLimits', [-500 400]);
heatObj.Title = 'Electrode Fluorescence Heatmap - Frame 1';
n = size(data,3);
uis = uislider(fig,'Position',[50 50 450 3],...
'Value',1, ...
'Limits', [1,n], ...
'MajorTicks', 0:200:n, ...
'MinorTicks', []);
%valueChangedFcn for actualisation only when cursor is dropped
uis.ValueChangingFcn = {@sliderChangingFcn, data, heatObj};
function sliderChangingFcn(~,event,data,heatObj)
% Update heatmap and title with new selection of data
value = round(event.Value);
heatObj.ColorData = data(:,:,value);
heatObj.Title = sprintf('Electrode Fluorescence Heatmap - Frame #%d',value);
end
% SURF VERSION (NOT WORKING)
data = M;
fig = uifigure();
uip = uipanel(fig,'Position', [20 100 500 300]);
[Xq,Yq] = meshgrid(1:0.1:12);
Vq = interp2(data(:,:,1),Xq, Yq, 'cubic');
heatObj = surf(uip, Vq);
n = size(data,3);
uis = uislider(fig,'Position',[50 50 450 3],...
'Value',1, ...
'Limits', [1,n], ...
'MajorTicks', 0:200:n, ...
'MinorTicks', []);
%valueChangedFcn for actualisation only when cursor is dropped
uis.ValueChangingFcn = {@sliderChangingFcn, data, heatObj};
function sliderChangingFcn(~,event,data,heatObj)
% Update heatmap and title with new selection of data
value = round(event.Value);
heatObj.ColorData = data(:,:,value);
heatObj.Title = sprintf('Electrode Fluorescence Heatmap - Frame #%d',value);
end

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回答（1 个）

Simon Chan
Simon Chan 2022-10-4

0 个投票

Create an uiaxes inside the uipanel or you can simply use uiaxes instead of uipanel inside the uifigure.

6 个评论
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Julien Maxime
Julien Maxime 2022-10-4
Thank you it worked fine. Now do you know how to fix the range of Z (or colobar) through the updating of the cursos ? I tried zlim and clim command but made no differences.
Simon Chan
Simon Chan 2022-10-4
Try the following and notice the comment below:
data = M;
fig = uifigure();
ax = uiaxes(fig,'Position', [20 100 500 300]); % Assume use uiaxes here
[Xq,Yq] = meshgrid(1:0.1:12);
Vq = interp2(data(:,:,1),Xq, Yq, 'cubic');
heatObj = surf(ax, Vq); % Draw on the uiaxes
n = size(data,3);
uis = uislider(fig,'Position',[50 50 450 3],...
'Value',1, ...
'Limits', [1,n], ...
'MajorTicks', 0:200:n, ...
'MinorTicks', []);
%valueChangedFcn for actualisation only when cursor is dropped
uis.ValueChangingFcn = {@sliderChangingFcn, data, heatObj, ax}; % Pass the axis handle as well
function sliderChangingFcn(~,event,data,heatObj,ax)
% Update heatmap and title with new selection of data
value = round(event.Value);
heatObj.ZData = data(:,:,value); % Update ZData also
heatObj.CData = data(:,:,value); % Update CData instead of ColorData
set(ax.Title,'String',sprintf('Electrode Fluorescence Heatmap - Frame #%d',value)); % Put the title on the axis instead of surf handle
end
Julien Maxime
Julien Maxime 2022-10-4
You you gave me is displaying the raw matrix data and not the interpolated one. I modified it so it worked fine with interpolated data as the folloing:
But I still have the Color range that is modified at each update...
function sliderChangingFcn(~,event,data,heatObj)
% Update surf plot and title with new selection of data
value = round(event.Value);
Vq = interp2(data(:,:,value),Xq, Yq, 'cubic');
heatObj = surf(ax, Vq);
set(ax.Title,'String',sprintf('Electrode Fluorescence Heatmap - Frame #%d',value)); % Put the title on the axis instead of surf handle
end
Simon Chan
Simon Chan 2022-10-4
Use function "caxis" to set your colormap limits
data = M;
fig = uifigure();
ax = uiaxes(fig,'Position', [20 100 500 300]);
[Xq,Yq] = meshgrid(1:0.1:12);
Vq = interp2(data(:,:,1),Xq, Yq, 'cubic');
heatObj = surf(ax, Vq);
n = size(data,3);
caxis(ax,[0 200]); % Use caxis and set your limits, example is 0 to 200
uis = uislider(fig,'Position',[50 50 450 3],...
'Value',1, ...
'Limits', [1,n], ...
'MajorTicks', 0:200:n, ...
'MinorTicks', []);
%valueChangedFcn for actualisation only when cursor is dropped
uis.ValueChangingFcn = {@sliderChangingFcn, data, heatObj, ax};
function sliderChangingFcn(~,event,data,heatObj,ax)
% Update heatmap and title with new selection of data
value = round(event.Value);
[Xq,Yq] = meshgrid(1:0.1:12);
Vq = interp2(data(:,:,value),Xq, Yq, 'cubic');
heatObj.ZData = Vq; % Use the same handle like this, no need to create a new one
heatObj.CData = Vq;
set(ax.Title,'String',sprintf('Electrode Fluorescence Heatmap - Frame #%d',value));
end
Julien Maxime
Julien Maxime 2022-10-4
Sorry I didnt expressed myself correctly I was looking to set the z value range. But your comment helped as I saw where to put a zlim (it put i previoulsy in the cursor loop which is useless).
Last question, do you know how to keep view point of the 3D graph during the cursor consecutives updates ? If not thank you, you already helped a lot.
Simon Chan
Simon Chan 2022-10-4
Are you looking for function view?
I don't have too much experience in 3D view and hence may not understand your needs, Sorry.

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