To run the D3 Program:

1. Create a folder called temp on C:\ where the path name looks like this: c:\temp
2. Place D3 and Image stack files in the temp folder.
3. Open command prompt in windows. 
4. Change directory to c:\temp
5. In order to run D3 on the desktop:
a. After “c:\temp>” type: “path = %path%;c:\absoft15.0\bin64”
(or other version of Absoft you are using) If you get: “libgompx64.dll not installed” message then this path is not correctly mapped.
6. After “c:\temp>” type “D3” and hit enter. 
7. Program begins to run

File type is ENVI Standard

Program inputs:
1. Input file name: (file name)
2. Number of lines in header: (numeric, ex. “15”)
3. Output file name: (new file name)
4. Vegetation threshold: (decimal format, ex. “.77”)
5. Minimum number of years at vegetation threshold: (whole number format, ex. “3”)
6. Disturbance threshold: (decimal format, ex. “.76”)
7. Next year threshold: (decimal format, ex. “.81”)
8. Cloud threshold: (decimal format, ex. “.4”)
9. Minimum number of years since disturbance: (whole number format, ex. “3”)
10. Number of low values searched: (whole number format, ex. “3”)

ENVI was used to read output files and change format from ENVI Standard to other formats (ex. ERDAS Imagine (.img) or TIFF / Geo TIFF). 

