www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/GraphCursorCallback.m
function output_txt = GraphCursorCallback(obj,event_obj,NodeProperties) % Display the position of the data cursor % obj Currently not used (empty) % event_obj Handle to event object % output_txt Data cursor text (character vector or cell array of character vectors). h = get(event_obj,'Target'); pos = get(event_obj,'Position'); ind = find(h.XData == pos(1) & h.YData == pos(2), 1); output_txt = {['Node ' num2str(ind)], ... ['Wifi: ' num2str(NodeProperties.wifi(ind))]};