calc_width | R Documentation |
Calculate visual transect width from camera pitch, altitude, and zoom level.
calc_width(pitch, altitude, ROV = "HDHV", z = 0.06, max.sr = 6)
pitch |
Camera pitch in degrees (positive or negative; zero equals horizontal). |
altitude |
Raw altitude from the altimeter or similar device. |
ROV |
ROV on which camera is installed. |
z |
Analog voltage output from camera zoom indicator. |
max.sr |
Maximum slant range or viewing distance in meters. |
A data frame containing the camera_altitude
, slant_range
, and center_width
in meters.
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