Eval - Terms ps Flashcards
The process of developing a network of horizontal and or vertical positions from a group of known positions using direct or indirect measurements from aerial photographs and mathematical computations.
Aerotriangulation
In 1903, Theodor Scheimpflug invented this. It is an instrument for optical rectification.
Perspectograph
A rectified photograph with a unique scale.
Orthophoto
Printing or drawing on a transparent or translucent medium intended to be placed in register on a map or
other graphic and which shows details not appearing or requiring special emphasis on the base material.
Overlay
This refers to the measurement made on aerial photographs to obtain quantitative data of the earth’s
surface.
Metric Photogrammetry
1 point is equivalent to how many milimeter?
0.3528 mm
Published the idea to use the stereoscope for volumetric
measures
Mach
Point on a map or chart whose height above a specified
datum is noted, usually by a dot or a small sawbuck and
elevation value.
Spot elevation
Decrease in the elevation of land surface due to tectonic,
seismic, or artificial forces, without removal of surface
material.
Subsidence
__________ involves the spatial position and the shape of objects. It is the most important information source in
photogrammetry.
Geometric information