Surfer Binary Grid File Format

Surfer 6 Binary Grid File Format Surfer 6 grid files .GRD use a layout similar to the Surfer 6 Text grid format. The only difference is in the identification string and that Surfer 6 grid files are binary. Data types used in Surfer 6 grid files include:... More

Surfer 6 Binary Grid File Format Surfer 6 grid files .GRD use a layout similar to the Surfer 6 Text grid format. The only difference is in the identification string and that Surfer 6 grid files are binary. Data types used in Surfer 6 grid files include: Type Description char single byte short 16 bit signed integer float 32 bit single precision floating point value double 64 bit double precision floating point value The Surfer 6 format has the following layout: Element Type Description id char 4 byte identification string ‘DSBB’ which identifies the file as aSurfer6binary grid file. nx short number of grid lines along the X axis (columns) ny short number of grid lines along the Y axis (rows) xlo double minimum X value of the grid xhi double maximum X value of the grid ylo double minimum Y value of the grid yhi double maximum Y value of the grid zlo double minimum Z value of the grid. NoData nodes are not included in the minimum. zhi double maximum Z value of the grid. NoData nodes are n Less