How to control KML icon drawing order, top to bottom -

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i'm displaying many overlapping icons in google earth tour. i'd control (or @ least understand) order in icons drawn (which 1 shows on "top"). thanks!

ps. non solutions attempted: using gx:draworder (it applies overlays, not icons). using animatedupdate establish order chronologically. using order in introduce placemarks establish drawing order.

apparently google earth draws features in groups type: polygons, ground overlays, followed lines , point data draworder applied within group. screenoverlays drawn last on top.

if define gx:draworder or draworder on collection of features, applies features of same type (polygon , other polygons) not between different types.

that behavior if features clamped ground. if features @ different altitudes lower altitude layers drawn first.

note tilt angle affects size of icon , tilt approaches 90 degrees, size of icon gets smaller. icon @ largest size when viewed straight-down 0 degree tilt angle.


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