Routines (alphabetical) > Routines: H > HDF Routines > HDF_GR_READLUT

# HDF_GR_READLUT

This function reads the palette specified by the parameter pal_id into the pal_data variable.

## Syntax

Result = HDF_GR_READLUT( pal_id, pal_data [, /INTERLACE] )

## Return Value

Returns SUCCEED (0) if successful or FAIL (-1) otherwise.

## Arguments

### pal_id

Palette identifier returned by HDF_GR_GETLUTID.

### pal_data

A named variable that will contain the palette data.

## Keywords

### INTERLACE

Set this keyword to force pal_data to be returned in INTERLACE mode. The default is pixel-interlacing (0) other possible values are 1 (line) and 2 (component).

## Version History

5.2 | Introduced