A number of tools for working with MODIS HDF data are available for download from this web site. These tools fall into three major categories, which are listed below. Under each main category, more detail on the function of each tool is offered.

1. Granule Locator Tools
   • Locating Level-2 Granules from a Generic Global Map
   • Locating Level-2 Granules from a Level-3 Global Image
   • Locating Level-1B Granules using Text Input
   • Locating Level-1B Granules using Level-1B Metadata
   • Locating Level-2 Granules using Text Input

2. Spatial and Dataset Subsetting
   • Subsetting Single Resolution HDF Files
   • Subsetting Double Resolution HDF Files

3. Visualization & Analysis
   • Visualizing HDF Data
   • Extracting and Visualizing Bit Flags from Byte Data
   • Creating the Atm. Standard Color Scale & Bar
   • Creating Browse Images from Level-3 HDF Data
   • Analyzing HDF Data

To learn more about and acquire these tools, visit the MODIS-Atmosphere Tools Page.