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--- en:documentation:script_reference [2015/11/06 20:43] – external edit 127.0.0.1
+++ en:documentation:script_reference [2017/02/22 11:19] (current) – [Formating and conversion] pch
@@ Line 133: / Line 133: @@
 ^function AsteroidMark(list:TstringList):boolean;^
 |Mark the listed asteroid to the chart|
+===== Coordinates conversion =====
+^Procedure Eq2Hz(var ra,de : double ; var a,h : double);^
+|Convert Equatorial ra,de to Alt/Az a,h for the location and time of the current chart, all angle in radian|
+^Procedure Hz2Eq(var a,h : double; var ra,de : double);^
+|Convert Alt/Az a,h to equatorial ra,de for the location and time of the current chart, all angle in radian|
+^Procedure Eq2Gal(var ra,de : double ; var l,b : double);^
+|Convert Equatorial ra,de to Galactic l,b , all angle in radian|
+^Procedure Gal2Eq(var l,b : double; var ra,de : double);^
+|Convert Galactic l,b to equatorial ra,de , all angle in radian|
+^Procedure Eq2Ecl(var ra,de : double ; var l,b : double);^
+|Convert Equatorial ra,de to Ecliptic l,b with obliquity for the date of the current chart, all angle in radian |
+^Procedure Ecl2Eq(var l,b : double; var ra,de : double);^
+|Convert Ecliptic l,b to Equatorial ra,de with obliquity for the date of the current chart, all angle in radian|
@@ Line 160: / Line 182: @@
 ^Function Format(Const Fmt : String; const Args : Array of const) : String;^
 |The [[http://www.freepascal.org/docs-html/rtl/sysutils/format.html|Format]] Pascal function|
+^Procedure StrtoFloatD(str:string; var defval: Double; var val: Double);^
+|Convert a string to a floating point value. Return defval if the string is a invalid number |
 ^function IsNumber(str: String): boolean;^