Step-by-Step Guide #
- Navigate to the Graph Icon located in the header
(left corner). This will open the Spectral Signatures window. - Click the Upload Signature button.
- Choose the files containing your spectral data. The files should include reflectance values associated with specific wavelengths.
- Select the Material Type from the dropdown (e.g., mineral, rock, vegetation, man-made).
- Click Save to upload your signature to the platform.
File Requirements #
- Format: TXT or similar structured file.
- Content:
- Wavelengths (in nm or μm) with corresponding reflectance values (in 0-1 or 0–100%)
- Metadata with name as a required property (non-sensitive capitals). It can include more metadata, but it is not required.
- Example:
Name: Basanite
Type: Rock
Class: Igneous
Subclass: Mafic
Description: Basanite, cut surfaceSample was Whole rock chips.
First Column: X
Second Column: Y
X Units: Wavelength (micrometers)
Y Units:Reflectance (percent)
First X Value: 14.0510
Last X Value: 0.4000
Number of X Values: 2231
14.0510 4.0273
14.0130 3.9140
13.9750 3.7492
13.9380 3.6874
13.9000 3.8007
13.8630 3.7492
13.8260 3.9037
13.7900 3.7698
13.7530 3.6256
….