HDFLook Some basic instructions on the functionality of the HDFLook software.
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Transcript of HDFLook Some basic instructions on the functionality of the HDFLook software.
![Page 1: HDFLook Some basic instructions on the functionality of the HDFLook software.](https://reader035.fdocuments.in/reader035/viewer/2022081603/5697bff41a28abf838cbcd1f/html5/thumbnails/1.jpg)
HDFLook
Some basic instructions on the functionality of the HDFLook software.
![Page 2: HDFLook Some basic instructions on the functionality of the HDFLook software.](https://reader035.fdocuments.in/reader035/viewer/2022081603/5697bff41a28abf838cbcd1f/html5/thumbnails/2.jpg)
HDFLook
Start the software by typing:HDFLook
If the windows are too large to see the controlbuttons at the bottom of the software window start the software with:
HDFLook – z 80 (80 is just an example you can use any % size tha works)
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HDF_read_files windowwill open when you start the software.
Use the buttons near the topor type the directory you want in the “Directory” windowto navigate to your file location.
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Parameter Selection and Control Window
Parameter NamesParameter Dimensions
Dimensions and name ofselected parameter
Location of selected file
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Show Attributes!!!!!!!
To learn more about the selected parameterClick “Show Attributes”
This window will open with a descriptionof the selected parameter
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Two Different Display Functionalities
Raw Image Display Controls
Reprojected Image Display Controls
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Raw SDS Image Controls
Click here to open a raw(not reprojected) image of the selected parameter.
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Click on “Automatic Mask Detection”to change the fill valuedisplay from majenta to black
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Set Scaling!!
Select any of the following scalings:
y = a(x-b)
y = ax+b
y = ax
This will notchange the display but will change the values from raw numbers to actual parametervalues.
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Reprojected Image Controls
For Level 2 Files:
Click and hold the “Display a MODIS reprojected image” menuSelect “Show one layer”
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Raw SDS vs Reprojected Image
The reprojected image is stretched to reflect real world geography
The raw image is displayed assimple rows and columns
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RGB Imagery in HDFLook
Load a MOD02 or MYD02Level 1B file
Note that several of the available options in the menus will change.
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RGB Imagery in HDFLook
There are several pre-defined RGB options available.
The default RGB is a “true color” image
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RGB Imagery in HDFLook
The default RGB is a “true color” image