[OpenLayers-Users] draw feature example

[sunny74]

Dear Friends,

There is a draw feature  example which shows drawing a point,line and
polygon layer.
But there is no example on drawing a circle with a fixed radius or an
ellipse with a fixed a,b.
I want to draw a circle or ellipse around the point of click.
Assuming that there is a way of drawing them,I need to have the following
info:
1)GetFeatureInfo of all features contained within the circle/ellipse.
2)GetFeatureInfo of all features intersecting the circle/ellipse.
3) GetFeatureInfo of all features outside the circle/ellipse.

How to do the above?

Thanks for your replies
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