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Sameh Khamis
04b8c856ad
On the photoreal stack the rendered-mesh floor took one probe at each coarse cell's centre (0.001 degrees) and kept it for the session. A centre on a roof passed the +80 m DEM window and lifted every vehicle in the cell to roof height (a Haymarket bus drew 23.5 m above the street, on the garage roof); a centre in the river put Red Line trains on the Longfellow Bridge 6-9 m under the deck. The sampler now probes at the caller's point. A cell with a reading is probed again only at spots about 17 m apart from earlier ones, eight at most, and a spot refused only because the cell's DEM prior was cold is tried again later. The floor keeps each reading that passes the gate at the point it was taken (two within about 5 m keep the lower; sixteen at most per cell) and answers a read from the reading nearest the asked point, so a viaduct and the street beside it in one cell keep their own heights.