IDL Routines for Passive Microwave Data:
Usage Examples

Items in bold indicate user input


extract.pro

IDL> extract,array

% Compiled module: EXTRACT.
Enter the processing type
(1 = near real-time)
(2 = polar grids from hard drive)

: 1

Enter start and end dates for animation (yyyymmdd, e.g., 19950610).

Start Date: 20010404
End Date: 20010404

Enter the channel to be extracted
1 2 3 4 5 6 7
--- --- --- --- --- --- ---
19V 19H 22V 37V 37H 85V 85H
Enter position of parameter (1-7)

: 2

Enter the hemisphere
(1 = northern)
(2 = southern)

: 1

Enter the full name of the directory that the Tb files are in.
(Note: must correctly use upper and lower case letters.)

: /usr2/projects/tb_tools /usr2/projects/tb_tools/NRTSI_SSMIF13_20010404_N.19H

% Loaded DLM: HDF.

IDL>


extract_ice.pro

IDL> extract_ice,array

% Compiled module: EXTRACT_ICE.
Enter the processing type
(1 = near real-time)
(2 = polar grids)

: 1

Enter start and end dates (yyyymmdd, e.g., 19950610).

Start Date: 20010404
End Date: 20010404

Enter the hemisphere
(1 = northern)
(2 = southern)

: 1

Enter the full name of the directory that the sea ice files are in. (Note: must correctly use upper and lower case letters.)

: /usr2/projects/tb_tools

Enter the satellite number (e.g., 8, 11, or 13)

: 13

/usr2/projects/tb_tools/NRTSI_SSMIF13_20010404_N.BIN
/usr2/projects/tb_tools/NRTSI_SSMIF13_20010404_N.BIN

IDL>


display_ssmi.pro

IDL> display_ssmi

% Compiled module: DISPLAY_SSMI. Enter the processing type
(1 = near real-time)
(2 = polar grids from hard-drive)

: 2

Enter start and end dates for animation (yyyymmdd, e.g., 19950610).

Start Date: 20000130
End Date: 20000131

Enter the channel to be extracted
1 2 3 4 5 6 7
--- --- --- --- --- --- ---
19V 19H 22V 37V 37H 85V 85H
Enter position of parameter (1-7)

: 3

Enter the hemisphere
(1 = northern)
(2 = southern)

: 1

Enter the full name of the directory that the sea ice files are in.
(Note: must correctly use upper and lower case letters.)

: /usr2/projects/tb_tools

Enter the satellite number (e.g., 8, 11, or 13)

: 13

Do you wish to overlay a mask file?
The options are a coastline or a lat/lon or a land mask
y/n

: n

% Compiled module: XINTERANIMATE.
% Compiled module: XREGISTERED.
% Compiled module: CW_ANIMATE.
% Compiled module: CW_BGROUP.
% Compiled module: COLORMAP_APPLICABLE.
% Compiled module: STRSPLIT.
% Compiled module: XMANAGER.

IDL>


display_ssmi_xa.pro

IDL> display_ssmi_xa

% Compiled module: DISPLAY_SSMI_XA. Enter the processing type
(1 = near real-time)
(2 = polar grids from CDROM)
(3 = polar grids from hard-drive)

: 3

Enter start and end dates for animation (yyyymmdd, e.g., 19950610).

Start Date: 20000130
End Date: 20000131

Enter the channel to be extracted
1 2 3 4 5 6 7
--- --- --- --- --- --- ---
19V 19H 22V 37V 37H 85V 85H
Enter position of parameter (1-7)

: 3

Enter the hemisphere
(1 = northern)
(2 = southern)

: 1

Enter the full name of the directory that the sea ice files are in.
(Note: must correctly use upper and lower case letters.)

: /usr2/projects/tb_tools

Enter the satellite number (e.g., 8, 11, or 13)

: 13

Do you wish to overlay a mask file?
The options are a coastline or a lat/lon or a land mask
y/n

: n

% Compiled module: XINTERANIMATE.
% Compiled module: XREGISTERED.
% Compiled module: CW_ANIMATE.
% Compiled module: CW_BGROUP.
% Compiled module: COLORMAP_APPLICABLE.
% Compiled module: STRSPLIT.
% Compiled module: XMANAGER.

IDL>


disp_ssmi_ice_xa.pro

IDL> disp_ssmi_ice_xa

% Compiled module: DISP_SSMI_ICE_XA.
Enter the processing type
(1 = near real-time)
(2 = polar grids)

: 2

Enter the time resolution
(1 = daily)
(2 = monthly)

: 2

Enter start and end months for animation (yyyymm, e.g., 199506).

Start Date: 200001
End Date: 200004

Enter the hemisphere
(1 = northern)
(2 = southern)

: 2

Enter the full name of the directory that the sea ice files are in.
(Note: must correctly use upper and lower case letters.)

: /usr2/projects/SSMI/monthly/southern

Enter the sea ice concentration threshold
(1 = 0%)
(2 = 5%)
(3 = 10%)
(4 = 15%)

: 1

Enter the satellite number (e.g., 8, 11, or 13)

: 13

Enter the algorithm
(1 = NASATeam)
(2 = Bootstrap)

: 1

You selected the NASATeam algorithm
% Compiled module: XINTERANIMATE.
% Compiled module: XREGISTERED.
% Compiled module: CW_ANIMATE.
% Compiled module: CW_BGROUP.
% Compiled module: COLORMAP_APPLICABLE.
/usr2/projects/SSMI/monthly/southern/SSMI-F13-000200001.TSN.00
% Loaded DLM: HDF.
% Compiled module: STRSPLIT.
/usr2/projects/SSMI/monthly/southern/SSMI-F13-000200002.TSN.00
/usr2/projects/SSMI/monthly/southern/SSMI-F13-000200003.TSN.00
/usr2/projects/SSMI/monthly/southern/SSMI-F13-000200004.TSN.00
% Compiled module: XMANAGER.

IDL>