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Top Forums Programming spectra flux-calibration using IDL Post 302332914 by cosmologist on Sunday 12th of July 2009 05:12:46 AM
Old 07-12-2009
spectra flux-calibration using IDL

Hi,

I am searching the web for documentations with tutorials for spectra flux calibration using IDL, does anyone know anything that can help me? Please help Smilie

---------- Post updated 07-11-09 at 05:38 AM ---------- Previous update was 07-10-09 at 10:46 AM ----------

Does the question make sense? Do you guys need to explain more what I am looking for? Please let me know Smilie

---------- Post updated 07-12-09 at 05:12 AM ---------- Previous update was 07-11-09 at 05:38 AM ----------

Quote:
Originally Posted by cosmologist
Hi,

I am searching the web for documentations with tutorials for spectra flux calibration using IDL, does anyone know anything that can help me? Please help Smilie

---------- Post updated 07-11-09 at 05:38 AM ---------- Previous update was 07-10-09 at 10:46 AM ----------

Does the question make sense? Do you guys need to explain more what I am looking for? Please let me know Smilie
I am interested in stellar spectra reduction. I
reduced my data from 2-D to 1-D and I did the wavelength calibration
using iraf. Now, I would like to do the last step which is the flux
calibration. Does the question make more sense now?
 

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rpc_intro(1)						      General Commands Manual						      rpc_intro(1)

NAME
rpc_intro - Introduction to the DCE RPC programmer commands DESCRIPTION
DCE RPC provides the following programmer commands: The idl command invokes the Interface Definition Language (IDL) compiler to convert an interface definition, written in IDL, to output files. The uuidgen command creates a UUID string that you assign to an object to uniquely distinguish it from other objects. See each command's reference page for further information. IDL Base Data Types and IDL-to-C Type Mappings The following table lists the IDL base data type specifiers. Where applicable, the table shows the size of the corresponding transmittable type and the type macro emitted by the IDL compiler for resulting declarations. +------------------------------------------------------------+ | Base Data Type Specifiers -- rpc_intro(1) | +--------------------------------+---------+-----------------+ | Specifier | | Type Macro | |(sign) (size) (type) | Size | Emitted by idl | +---------+-----------+----------+---------+-----------------+ | | | | | | | | small | int | 8 bits | idl_small_int | | | short | int | 16 bits | idl_short_int | | | long | int | 32 bits | idl_long_int | | | hyper | int | 64 bits | idl_hyper_int | |unsigned | small | int | 8 bits | idl_usmall_int | |unsigned | short | int | 16 bits | idl_ushort_int | |unsigned | long | int | 32 bits | idl_ulong_int | |unsigned | hyper | int | 64 bits | idl_uhyper_int | | | | float | 32 bits | idl_short_float | | | | double | 64 bits | idl_long_float | | | | char | 8 bits | idl_char | | | | boolean | 8 bits | idl_boolean | | | | byte | 8 bits | idl_byte | | | | void | -- | idl_void_p_t | | | | handle_t | -- | -- | | | | | | | +---------+-----------+----------+---------+-----------------+ Note that you can use the idl_ macros in the code you write for an application to ensure that your type declarations are consistent with those in the stubs, even when the application is ported to another platform. The idl_ macros are especially useful when passing constant values to RPC calls. For maximum portability, all constants passed to RPC calls declared in your network interfaces should be cast to the appropriate type because the size of integer constants (like the size of the int data type) is unspecified in the C language. The idl_ macros are defined in dce/idlbase.h, which is included by header files that the IDL compiler generates. RELATED INFORMATION
Commands: idl(1), uuidgen(1). Messages: . Books: . rpc_intro(1)
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