Seadisp:
Loading data
-
Loading SeaWiFS L1A,
L1B, L2,L3 Binned,
L3 SMI and
Browse: Levels 1A and 2
-
Loading SeaWiFS
L0 files.
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Loading MODIS L1A,
L1B,,
L2,
L3 Binned,
and L3 SMI: Levels 1A, 2 and 3
-
Loading OCTS/NASDA
files: Levels 0, L1A, L1B , L2, L3 Mapped, L3 Binned Mapped
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Loading OCTS/SeaDAS
files: Level 2
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Loading CZCS/DAAC HDF files
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Loading CZCS/SEAPAK files
-
Loading SeaDAS
mapped (projected) HDF files
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Loading general HDF files
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Loading Flat
Binaryfiles
-
Loading PNG files
-
Loading True Color files
Loading
SeaWiFS L1A Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item SeaWiFS.
-
From the Product Selection
For SeaWiFS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/L1_gac1.hdf'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press the Load button.
Command
mode:
-
Load bands 1 and 5 from SeaWiFS
Level-1 file '$SDSDEMO/L1_gac1.hdf':
load, '$SDSDEMO/L1_gac1.hdf',
prod_ix=[1,5]
Loading
SeaWiFS L2 Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item SeaWiFS.
-
From the Product Selection
For SeaWiFS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/L2_gac1.hdf'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press Load button .
Command
mode:
Loading
SeaWiFS Level-3 binned Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item SeaWiFS.
-
From the Product Selection
For SeaWiFS File widget:
-
Enter the file name or select
a file using the Select button. Try file 'L3_daily1.hdf'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Required inputs are the measurecategory,
band product, projection and window size inputs.
-
It is better to not modify the
projection default values for Center Lat/Lon, Rotation ,
Lat
Limit and Long Limit until viewing an output image first.
-
Press Load button to
load.
Command
mode:
-
Load product 'chlor_a' from
a SeaWiFS Level-3 space-binned file.
load, '$SDSDEMO/L3_gac1-1998097.hdf',
prod_name
='chlor_a' (default projection is equidistant cylindrical)
-
Load product 'chlor_a' from
a SeaWiFS Level-3 time-binned file.
load, 'L3_daily1.hdf',
prod_name = 'chlor_a', /ORTHO (for orthographic projection)
Loading
SeaWiFS L3 SMI Data (load)
Interactive
mode:
-
From Seadisp
Main Menu ->Load select
the menu item SeaWiFS.
-
From the Product Selection
For SeaWiFS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/L3_daily1_smi_CHLO_mn.hdf'.
-
Press the Okay button
.
-
The L3 SMI product is a byte
array of size 4096 pixels x 2048 lines. The sample rate default of
8 is set to return sub-sampled data array 512 x 256. Be aware that you
may exceed the memory limits of your display device if you decrease the
default sub-sampling rate.
-
Select the single available
band and press the Load button.
Command
mode:
-
Load the SeaWiFS Level-3 SMI
file '$SDSDEMO/L3_daily1_smi_CHLO_mn.hdf ' and subsample by 10 instead
of by the default of 8.
load, '$SDSDEMO/L3_daily1_smi_CHLO_mn.hdf',
XSAMPLE=10,
YSAMPLE=10
Loading
SeaWiFS Browse Data for L1A and L2 files (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load select the menu item SeaWiFS.
-
From the Product Selection
For SeaWiFS File widget:
-
Enter the file name or select
a file using the Select button for any SeaWiFS browse file. Try
files:
-
L1A browse : '$SDSDEMO/L1_gac1_brs.hdf'
(contains band 8)
-
L2 browse : '$SDSDEMO/L2_gac1_brs.hdf'
(contains chlor_a product)
-
Press the Okay button.
-
All SeaWiFS browse files contain
a single raster image and a color palette:
-
Select the single available
band
-
Decide whether to load the color
palette stored in the file
-
Press the Load button
Command
mode:
-
Load the SeaWiFS L1A band 8
browse file '$SDSDEMO/L1_gac1_brs.hdf'
load, '$SDSDEMO/L1_gac1_brs.hdf',
/LOADPAL
-
Load the SeaWiFS L2 chlorophyll_a
browse file '$SDSDEMO/L2_gac1_brs.hdf'
load, '$SDSDEMO/L2_gac1_brs.hdf',
/LOADPAL
Loading
SeaWiFS L0 Data(load)
Interactive
mode:
-
From Seadisp
Main Menu->Load,
select menu item SeaWiFS L0.
-
From the Product Selection
For SeaWiFS L0 File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/L0_hrpt1.dat'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
These files are very large.
To display the image more quickly, you can subsample the image or view
a portion of the full resolution data.
-
Increase Pixel Sample Rate
and/or Line Sample Rate to subsample the image further.
-
Reduce Pixel range and/or
Line
range and reduce the sample rates to 1 to view a small portion of the
full resolution data.
-
Select the band to be loaded
and press Load button. (Just select one. These files
are very large).
Command
mode:
Loading
MODIS L1A Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item MODIS.
-
From the Product Selection
For MODIS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/A2005191123500.L1A_LAC'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press the Load button.
Command
mode:
-
Load bands 1 and 5 from MODIS
Level-1 file '$SDSDEMO/A2005191123500.L1A_LAC':
load, '$SDSDEMO/A2005191123500.L1A_LAC',
prod_ix=[1,5]
Loading
MODIS L1B Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item MODIS.
-
From the Product Selection
For MODIS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/A2005191123500.L1B_LAC'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press the Load button.
Command
mode:
-
Load bands 1 and 5 from MODIS
Level-1B file '$SDSDEMO/A2005191123500.L1B_LAC':
load, '$SDSDEMO/A2005191123500.L1B_LAC',
prod_ix=[1,5]
Loading
MODIS L2 Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item MODIS.
-
From the Product Selection
For MODIS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/A2005191123500.L2_LAC'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press Load button .
Command
mode:
Loading
MODIS Level-3 binned Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item MODIS.
-
From the Product Selection
For MODIS File widget:
-
Enter the file name or select
a file using the Select button. Try file 'A2005191123500.L3b_LAC'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Required inputs are the measurecategory,
band product, projection and window size inputs.
-
It is better to not modify the
projection default values for Center Lat/Lon, Rotation ,
Lat
Limit and Long Limit until viewing an output image first.
-
Press Load button to
load.
Command
mode:
-
Load product 'chlor_a' from
a MODIS Level-3 space-binned file.
load, '$SDSDEMO/A2005191123500.L3b_LAC',
prod_name
='chlor_a' (default projection is equidistant cylindrical)
-
Load product 'chlor_a' from
a MODIS Level-3 time-binned file.
load, 'A2005191123500.L3b_LAC',
prod_name = 'chlor_a', /ORTHO (for orthographic projection)
Loading
MODIS L3 SMI Data (load)
Interactive
mode:
-
From Seadisp
Main Menu ->Load select
the menu item MODIS.
-
From the Product Selection
For MODIS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/A2005191123500.L2_LAC_smi_CHLO_mn.hdf'.
-
Press the Okay button
.
-
The L3 SMI product is a byte
array of size 4096 pixels x 2048 lines. The sample rate default of
8 is set to return sub-sampled data array 512 x 256. Be aware that you
may exceed the memory limits of your display device if you decrease the
default sub-sampling rate.
-
Select the single available
band and press the Load button.
Command
mode:
-
Load the MODIS Level-3 SMI
file '$SDSDEMO/A2005191123500.L2_LAC_smi_CHLO_mn.hdf' and subsample by 10 instead of by the default of 8.
load, '$SDSDEMO/A2005191123500.L2_LAC_smi_CHLO_mn.hdf',
XSAMPLE=10,
YSAMPLE=10
Loading
OCTS/NASDA Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item OCTS/NASDA.
-
From the Product Selection
For OCTS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/octs_nasda_L2oc2.hdf'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press Load button.
Command
mode:
-
Load chlorophyll data from NASDA
L2 file. Subset in both the pixel and line direction:
load, '$SDSDEMO/octs_nasda_L2oc2.hdf',
ftype='OCTS',
prod_name='chlor_a',
lin_range=[1,500],pix_range=[500,1000]
Loading
OCTS/SeaDAS Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select menu item OCTS/SeaDAS.
-
From the Product Selection
For OCTS/SeaDAS File widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/L2_octs1.hdf'.
-
Press the Okay button
or simply <RETURN> to view all available products in the file.
-
Select the band(s) to be loaded
and press Load button.
Command
mode:
-
Load CZCS pigment from SeaDAS
Level-2 OCTS file. Subsample by 10.
load,'$SDSDEMO/L2_octs1.hdf',
prod_name='pigment_czcs',
xsample=10,
ysample=10,
ftype='SOCTS'
Loading
Flat Binary Data (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select the menu item Flat File.
-
From the Flat
File Selection Widget:
-
Enter the file name or select
a file using the Select button. Try file '$SDSDEMO/seapak5.img'.
-
Enter in information about this
flat file. The above file has a 512-byte header to skip, followed
by a 512x512 byte array:
-
Enter Skip bytes: 512,
Number
of points: 512, Number of lines: 512, Data type:
BYTE.
-
Press the Load button.
Command
mode:
-
Load the flat binary file of
data type byte and size 512x512 with a 512-byte header '$SDSDEMO/seapak5.img
'.
load, '$SDSDEMO/seapak5.img',
ftype='FLAT',
pixel=512,
line=512,
skipbytes=512,
$ datatype=1
Loading
SeaDAS Mapped (Projected) Files (load)
Interactive
mode:
-
From Seadisp
Main Menu->Load, select the
menu item SeaDAS Mapped.
-
From the SeaDAS
Mapped Product Selection Widget :
-
Enter the file name or select
a file using the Select button. Try files '$SDSDEMO/L1_gac1_map.hdf'
and '$SDSDEMO/L3_monthly1_map.hdf'.
-
Press the Okay button
to view all available mapped products in the file.
-
Select the bands to be loaded
and press Load button.
Command
mode:
-
Load the first two products
found in SeaDAS mapped file '$SDSDEMO/L1_gac1_map.hdf'.
load, '$SDSDEMO/L1_gac1_map.hdf',
ftype='MAPPED',
prod_ix=[1,2]
