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 Post subject: plotting radar data
PostPosted: Sat May 20, 2006 5:58 pm 
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Joined: Sat May 20, 2006 5:55 pm
Posts: 1
I am using the following code to plot the target on the window.

gdk_color_alloc(gdk_colormap_get_system(), &color);
gdk_gc_set_foreground(gc,&color);
gdk_draw_arc(pix, gc,true,p->x,p->y,4,4,0,360*64);

But I would like to place an object instead of the point(target) so that the object moves when I change the x and y position of the object. Right now the previous point remains on the screen even after I plot a new point on the screen. Basically I would like to move the point around the screen so that only one point is visible at a time. If someone could send me a code for creation of objects or icons which can be moved around the screen unlike a point which is retained on the screen. Another problem with the point is that once I minimize the screen the point is rubbed off. Can anyone tell me how to create objects at run time and move them on the screen? My email id is strafer58@yahoo.com.au.
Thanks


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