# readers.optech

The Optech reader reads Corrected Sensor Data (.csd) files. These files contain scan angles, ranges, IMU and GNSS information, and boresight calibration values, all of which are combined in the reader into XYZ points using the WGS84 reference frame.

Default Embedded Stage

This stage is enabled by default

## Example

    [
        {
            "type":"readers.optech",
            "filename":"input.csd"
        },
        {
            "type":"writers.text",
            "filename":"outputfile.txt"
        }
    ]

## Options

filename

  csd file to read [Required]

count

  Maximum number of points to read. [Default: unlimited]

override_srs

  Spatial reference to apply to the data. Overrides any SRS in the input itself. Can be specified as a WKT, proj.4 or EPSG string. Can’t use with ‘default_srs’ [Default: none]

default_srs

  Spatial reference to apply to the data if the input does not specify one. Can be specified as a WKT, proj.4 or EPSG string. Can’t use with ‘override_srs’ [Default: none]