The toroid Umatrix is usually drawn 4 times, so that connected areas on borders can be seen as a whole. An island is a manual cutout of such a tiled visualization, that is selected such that all connected areas stay intact. This 'shiny' tool allows the user to do this manually.
Value
Boolean Matrix that represents the island within the tiled Umatrix
Arguments
Umatrix
Matrix of Umatrix Heights
BestMatches
Array with positions of BestMatches
Cls
Classification of the BestMatches
References
Thrun, M. C., Lerch, F., Loetsch, J., Ultsch, A.: Visualization and 3D Printing of Multivariate Data of Biomarkers, in Skala, V. (Ed.), International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision,Plzen, 2016.