Format of Flat CSV Files

Flat image files are created by serializing the image cube, in particular by storing each pixel of the image cube as a row of a two-dimensional matrix, together with the coordinates of the pixel and some optional additional information (for example bit mask information).

The matrix is stored rowwise and can be preceded by an extra line containing the wavelengths (or masses or any other property).

The values are separated by a delimiter which is most often a comma (thus the name CSV - comma separated values). Other allowed delimiting characters are the semicolon, the colon, the blank and the hash.

Hint: Though flat CSV files have a very simple data structure it is generally not recommend to use this format as a general data imput format. We recommend to use the IGTIF format which has a similar structure but offers much more flexibility.