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Last Post 16 Mar 2011 09:19 AM by  anon
IDL Graphics Window Object
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anon



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16 Mar 2011 09:19 AM
    Hi IDL forums I am fairly new to IDL and object graphics, so here is my problem. I hope you guys can help! I am trying to find the object window that the IDL intrinsic plot functions send their objects to. I want to overlay a group of IDLgrPolyline objects onto the IDL contour plot and vector plot. The reason I want these overalayed onto the intrinsic plots is because the window is resizable and I can plot a vector field (I don't know how to do this with object graphcis). The reason I am making polylines in the first place is because the streamline function choses to make lines at every point, where as I only need a few specific seed points. I need to find the name of the window object IDL uses so that I can send my polylines to it. Any help/tips would be greatly appreciated, Thank you!

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    28 Mar 2011 03:08 PM
    I recieved a very helpful message from the IDL support team. They told me that instead of using IDLgrWindow to create my window, I can use object_name = window(). They created a scalable and resizable window that I had a reference to. I could then directly add my contour object, vector object and streamline object by including the /overplot parameter. I added polylines to my window by using object_name = polyline(x_vertices,y_vertices,[parameters]). The result was a graphics window that did exactly what I needed it to do. Contain field lines on top of my vector field with a resizable and scalable window. Thanks again IDL team!
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