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Functions for formatting numeric values.
-
formatDecimal( value, dp )
-
Turns a floating point value into a string with a given number of
decimal places using standard settings.
- Parameters:
-
value
(floating point): value to format
-
dp
(integer): number of decimal places (digits after the decmal point)
- Return value
-
(String): formatted string
- Examples:
-
formatDecimal(PI,0) = "3."
-
formatDecimal(0,10) = ".0000000000"
-
formatDecimal(E*10,3) = "27.183"
-
formatDecimalLocal( value, dp )
-
Turns a floating point value into a string using current locale settings.
For instance if language is set to French, decimal points will
be represented as a comma "," instead of a full stop ".".
Otherwise behaves the same as the corresponding
formatDecimal
function.
- Parameters:
-
value
(floating point): value to format
-
dp
(integer): number of decimal places (digits after the decmal point)
- Return value
-
(String): formatted string
- Examples:
-
formatDecimal(PI,0) = "3,"
-
formatDecimal(0,10) = ",0000000000"
-
formatDecimal(E*10,3) = "27,183"
-
formatDecimal( value, format )
-
Turns a floating point value into a formatted string using standard
settings.
The
format
string is as defined by Java's
java.text.DecimalFormat
class.
- Parameters:
-
value
(floating point): value to format
-
format
(String): format specifier
- Return value
-
(String): formatted string
- Examples:
-
formatDecimal(99, "#.000") = "99.000"
-
formatDecimal(PI, "+0.##;-0.##") = "+3.14"
-
formatDecimalLocal( value, format )
-
Turns a floating point value into a formatted string using current
locale settings.
For instance if language is set to French, decimal points will
be represented as a comma "," instead of a full stop ".".
Otherwise behaves the same as the corresponding
formatDecimal
function.
- Parameters:
-
value
(floating point): value to format
-
format
(String): format specifier
- Return value
-
(String): formatted string
- Examples:
-
formatDecimal(99, "#.000") = "99,000"
-
formatDecimal(PI, "+0.##;-0.##") = "+3,14"
Next Previous Up Contents
Next: Gaia
Up: General Functions
Previous: Fluxes
TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page:
http://www.starlink.ac.uk/topcat/
Author email:
m.b.taylor@bristol.ac.uk
Mailing list:
topcat-user@jiscmail.ac.uk