Spectra home lab software#

A command line interface for SPECPR files.īoth software packages run in UNIX, LINUX, Microsoft Windows, and Apple Macintosh operating systems.Users can define and search for character strings (keywords) in the titles of spectra and/or in their associated metadata descriptions.Includes a programmer’s interface so that functions can be called from user’s code.Can run as an IDL Virtual Machine application without need for an ENVI license.A graphical user interface for working with spectra in SPECPR files (such as the USGS spectral library).PRISM (Processing Routings in IDL for Spectroscopic Measurements).

SPECPR files provided in the library contain spectra along with linked sample descriptions.įree software is available for reading spectral library files in SPECPR format: Detailed sample descriptions are provided with the spectra, including the results of X-ray Diffraction, Electron Probe Micro-Analysis, and other analytical methods.Vegetation and other biologic materials.Manmade materials, including materials introduced into the environment by human activity.Organic compounds, including biochemical constituents of plants and chemical compounds.Liquids, including mixtures of liquids, water and other volatiles, and frozen volatiles.Soils (including rocks, and mineral mixtures).A wide range of materials are included in the library:.For many of the samples, wavelength coverage spans the ultraviolet, visible, near-infrared, mid-infrared, and far-infrared regions (0.2 to 200 microns).The spectral library was assembled to facilitate laboratory and field spectroscopy and remote sensing for identifying and mapping minerals, vegetation, and manmade materials.Researchers at the USGS Spectroscopy Laboratory have measured the spectral reflectance of thousands of materials in the lab and compiled them in the USGS Spectral Library.

Spectra home lab