Question

Configuration System coordinate parameters Meters to Centimeters

  • 21 November 2016
  • 1 reply
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danilo_fme
Rank
Userlevel 4
Badge +30

Hello all User`s,

I need to converte my data in Meters to Centimeters, but not using Transformers. I need to change the Coordinate System inside the file MyCoordinateSystem.

The scenario is converte using SAD 69 22S Meter to SAD 69 22S in centimeter.

I customized the file MyCoordinateSystem to centimeter, but i believe that is wrong:

 

# -------------------------------------

 

# Coordinate System SAD 69 UTM 22S in 'cm'

 

# -------------------------------------

 

COORDINATE_SYSTEM_DEF SAD_69_22_S_CM \\

 

DESC_NM "ZONA UTM SABESP" \\

 

PROJ TM\\

 

UNIT CENTIMETER \\

 

DT_NAME SA1969 \\

 

PARM1 -45\\

 

GROUP "SAMER"\\

 

X_OFF 50000000 \\

 

Y_OFF 1000000000 \\

 

MAP_SCL 1\\

 

SCL_RED 0.999600\\

 

ZERO_X 0.0001 \\

 

ZERO_Y 0.0001

Thanks in Advance,

1 reply

mark2atsafe
Rank
Userlevel 4
Badge +25

To be honest, I don't know that there is much more to do. Just make sure your X/Y offsets are now in cm instead of metres. We have to do this when translating to Smallworld, which generally uses millimeter coordinate systems. If you check out this page you'll see an example coordinate system that has been switched from metres to millimeters. Compared to the original, only the unit and x/y offsets differ.

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