TMTCfourthThematic Mapper Tasseled Cap Fourth Feature

Formula ​

-0.8242 * B + 0.0849 * G + 0.4392 * R - 0.0580 * N + 0.2012 * S1 - 0.2768 * S2

Classification ​

• Application domain: Vegetation
• Sensing modalities: Multispectral
• Family: Tasseled Cap

Bands ​

• B: Blue.
• G: Green.
• R: Red.
• N: Near-Infrared (NIR).
• S1: Short-wave Infrared (SWIR) 1.
• S2: Short-wave Infrared (SWIR) 2.

Polarizations ​

No radar polarizations are used in this index.

Constants ​

No constants are used in this index.

Source Companions ​

These indices are part of the same scientific source:

• TMTCbrightness
• TMTCwetness
• TMTCgreenness
• TMTCfifth
• TMTCsixth

Contributor ​

Index contributed by https://github.com/davemlz on 2026-08-06.