NAME: spd_ui_interpol_options PURPOSE: Front end window allowing user to select options for interpolation. CALLING SEQUENCE: result = spd_ui_interpol_options(gui_ID, historywin, statusbar, datap) INPUT: gui_id: group leader widget historywin: history window object statusbar: status bar object datap: pointer to loaded data object ptree: pointer to tree copy OUTPUT: values = {num, type, matchto, extrap, suffix, ok} num: number of points passed to interpol function type: type on interpolation (0=linear, 1=quad, 2=lst sqr qd, 3=spline, 4= nearest neighbor) matchto: pointer to copy of returned struct from loaded data obj, specifies the selected quantity to match, null string if none selected extrap: type of extrapolation for matching (0=none, 1=nan) suffix: optional suffix for new data quantity ok: flag indicating whether to procede with interpolation NOTES: $LastChangedBy: $ $LastChangedDate: $ $LastChangedRevision: $ $URL: $