package mil.nga.giat.geowave.format.stanag4676.parser.model; //STANAG 4676 /** * Enumeration Provides image/video related feature data pertinent to a track. */ public enum SymbolicSpectralRange { /** * Indicates Long-wavelength infrared (8 to 15 micrometers). * <p> * This is the "thermal imaging" region, in which sensors can obtain a * completely passive picture of the outside world based on thermal * emissions only and requiring no external light or thermal source such as * the sun, moon or infrared illuminator. */ LWIR( "LWIR"), /** * Indicates Mid-wavelength infrared (3 to 8 micrometers). * <p> * In guided missile technology the 3 to 5 micrometers portion of this band * is the atmospheric window in which the homing heads of passive IR 'heat * seeking' missiles are designed to work, homing on to the Infrared * signature of the target aircraft, typically the jet engine exhaust plume. */ MWIR( "MWIR"), /** * Indicates Short-wavelength infrared (1.4 to 3 micrometers). * <p> * Water absorption increases significantly at 1,450 nm. The 1,530 to 1,560 * nm range is the dominant spectral region for long-distance * telecommunications. */ SWIR( "SWIR"), /** * Indicates Near-infrared (75 to 1.4 micrometers) in wavelength * <p> * Defined by the water absorption, and commonly used in fiber optic * telecommunication because of low attenuation losses in the SiO2 glass * (silica) medium. Image intensifiers are sensitive to this area of the * spectrum. Examples include night vision devices such as night vision * goggles. */ NIR( "NIR"), /** * Indicates portion of electromagnetic spectrum that is visible to (can be * detected by) the human eye. * <p> * Visible light or simply light. A typical human eye will respond to * wavelengths from about 390 to 750 nm. */ VIS( "VIS"), /** * Indicates Ultraviolet (UV) light is electromagnetic radiation with a * wavelength shorter than that of visible light, but longer than X-rays, in * the range 10 to 400 nm. */ UV( "UV"), /** * Indicates Multi-Spectral Imagery. * <p> * Contains imagery data comprising multiple spectral bands. */ MSI( "MSI"), /** * Indicates Hyper-Spectral Imagery. * <p> * Contains imagery data comprising multiple spectral bands. */ HSI( "HSI"), /** * Indicates the spectral band(s) are unknown. */ UNKNOWN( "UNKNOWN"); private String value; SymbolicSpectralRange() { this.value = SymbolicSpectralRange.values()[0].toString(); } SymbolicSpectralRange( final String value ) { this.value = value; } public static SymbolicSpectralRange fromString( String value ) { for (final SymbolicSpectralRange item : SymbolicSpectralRange.values()) { if (item.toString().equals( value)) { return item; } } return null; } @Override public String toString() { return value; } }