Source: dataset/generic/generic_dataset__add_marker.pro
generic_dataset::add_marker Add a marker to a dataset. Usage: dsref -> add_marker[, <keys>] Keywords: x float The x coordinates of the vertices y float The y coordinates of the vertices panel int The panel index to attach the marker (-1 for all). time_panel int The time panel index (-1 for all) PAD & MATRIX only. colour int Colour index to use. psym int The plotting symbol to use. symsize float The size for plotting symbols. thick float The line thickness to use. text string A text string to use for the marker charsizefloat The size to use for a text string orient float The orientation of a text string align float Alignment of the text to its location. menu If set then go straight to the menu. group long A group leader for the menu. History: Original: 31/5/01; SJT