DDB2RAW

Program Description:

Allows the user to convert a Jumpstart Collection Dynamic DataBase (DDB) complex stripmap image to RAW binary format + ASCII Phoenix Header. The output data type can be either the original complex form, 32-bit float magnitude, or 8-bit magnitude. The user can output the whole image or a specific portion (tile) of the image.

Program Usage:

js_ddb2raw -i <infile> -o <outfile> -d [0-2] -t [0-7]

Switches:

• -d[0-2] = Output datatype, 0=complex, 1=mag32, 2=mag8 (Def:1)
• -t[0-7] = Convert specific tile of data (ONLY for images whose height >= 1024)

Description of Arguments:

• <infile> : Input (complex) Jumpstart DDB stripmap image filename
• <outfile> : Output Sunraster image filename
• -d[0-2] : Output datatype switch
• -t[0-7] : Optional single tile conversion switch

Files Necessary to Compile:

• Include : none
• Library : none
• Source : js_ddb2raw.c read_switch.c
• Make : js_ddb2raw.mk (optional)

Compiling and Linking Code:

• You can compile js_ddb2raw either from the command line or by using the included makefile (note: .mk file).
• a) Command line Method:
  • % gcc -c read_switch.c
  • % gcc -o js_ddb2raw js_ddb2raw.c read_switch.o -lm

NOTE: You can use other C compilers. Edit .mk file as necessary.

• b) Using the Makefile [js_ddb2raw.mk]:

Perform the following steps:

1. % make -f js_ddb2raw.mk
   (Creates executable: js_ddb2ras)
2. % make -f js_ddb2raw.mk clean
   (Deletes object code )