MATLAB: How to select points in on the surface in 3-dimensional like using the GINPUT function in 2-dimensional

2d3dannotation;currentginputgtextMATLABpointposition;

I can not select points in 3D in an analogous manner to using GINPUT in 2D.

If I use the command:

get(gca,'currentpoint')

It only returns 2 points on a line which does not help me select a point on the surface.

Best Answer

This capability is not available in MATLAB 7.5 (R2007b ).

There is a file on MathWorks File Exchange called rbb3select which may serve this purpose.

 <http://www.mathworks.com/matlabcentral/fileexchange/7191-rbb3select>

Note that MathWorks does not guarantee or warrant the use or content of these submissions. Any questions, issues, or complaints should be directed to the contributing author.

Related Solutions

MATLAB: Is it possible to change the color of the cursor when using the GINPUT function

The ability to change the color of the cursor to something other than black or white when using the "ginput" function is not available in MATLAB.

As a workaround, you can use the "WindowButtonMotionFcn" together with the "WindowButtonDownFcn" to replicate the functionality of the "ginput" function while adding the ability to change the color of the cursor.

Attached is an example MATLAB code that illustrates how to do this.

Another solution using the "WindowButtonMotionFcn" together with "WindowButtonDownFcn" can be found on MathWorks File Exchange.

https://www.mathworks.com/matlabcentral/fileexchange/38703-custom-ginput

For questions regarding this File Exchange function, please contact the author of the post directly.

MATLAB: How to override the zoom uicontextmenu with a custom uicontextmenu, when in zoom mode, in MATLAB 7.3 (R2006b)

This can be accomplished with the zoom accessor object. The following example illustartes how this can be done:

% Define the context menu
cmenu = uicontextmenu;
% Define the line and associate it with the context menu
hline = plot(1:10,'UIContextMenu', cmenu);
% Define callbacks for context menu items
cb1 = ['set(hline, ''LineStyle'', ''--'')'];
cb2 = ['set(hline, ''LineStyle'', '':'')'];
cb3 = ['set(hline, ''LineStyle'', ''-'')'];
% Define the context menu items
item1 = uimenu(cmenu, 'Label', 'dashed', 'Callback', cb1);
item2 = uimenu(cmenu, 'Label', 'dotted', 'Callback', cb2);
item3 = uimenu(cmenu, 'Label', 'solid', 'Callback', cb3);
% Get the handle to the zoom mode object for the figure
zh = zoom(gcf);
% Set the UI Context Menu to the custom menu
set(zh, 'uicontextmenu', cmenu)

Best Answer

Related Solutions

MATLAB: Is it possible to change the color of the cursor when using the GINPUT function

MATLAB: How to override the zoom uicontextmenu with a custom uicontextmenu, when in zoom mode, in MATLAB 7.3 (R2006b)

Related Question