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Dec 21, 2011 10:37 AM
(662 views)

Hi,

i created an interaktive graph. Now i need to add points (or more general: geometric shapes) to the graphbox.

This should be done on a mousklick using MouseTrap().

I thought of soemthing like that:

// Ad a marker to the graph at the position where the mouse was pressed

::click = function**({**x,y**}**,

::g << Marker**(**MarkerState**(****3****)**, x, y**)**;

::g << Circle**(**x, y, PixelRadius**(****10****));**

**)**;

::w = New Window**(**"Test",

// Some other components (Textboxes...)

::g = Graph Box**(**

FrameSize**(** **300**, **300** **)**,

Mousetrap**(** ::click**(** x, y **)**, **{}** **)**

**)**

**)**;

But sadly this does not work. Is there a way to do something like that?

Thanks for any hints!

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Solution

A couple of points:

- coordinates are typically expressed in a list or matrix format

- the graphical functions operate within a graphics script

The following should work:

::click = function({x,y},

pos = {};

InsertInto(pos,x);

InsertInto(pos,y);

::g[FrameBox(1)] << Add Graphics Script(

Marker(Marker State(3), pos) ;

Circle(pos, PixelRadius(10));

)

);

-Dave

-Dave

2 REPLIES

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A couple of points:

- coordinates are typically expressed in a list or matrix format

- the graphical functions operate within a graphics script

The following should work:

::click = function({x,y},

pos = {};

InsertInto(pos,x);

InsertInto(pos,y);

::g[FrameBox(1)] << Add Graphics Script(

Marker(Marker State(3), pos) ;

Circle(pos, PixelRadius(10));

)

);

-Dave

-Dave

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Dec 22, 2011 7:03 AM
(609 views)