66H*@ <,`" & & ;w;w;w;wwX$ A33$ ~!J A$ A I& T{T{JHnZNNXJRgBg nHh n?(<0=@DBHyFLIF?"HH$B @ $HH$E @"$$ȀDȕ" @xo\s}?}t@@ "   HH! d00000000! >:; HH! |C2:8,32:8$|2:8,#2+ Good when no obvious shape based markings for commands. + Requires very little programming, self explanatory.:5H ` Marking Menuspe based markings exists for commands + Ability to use charasteristics of the mark as parameters to the command. - Requires more designing effort, not self explanatory.s  : HyperStrokesape based markings exist for commands + tShape - requires more designing effort, not self explanatory ry  + Good when shape based markings exists for commands + Ability to use charasteristics of the mark as parameters to the command. - Requires more designing effort, not self explanatory.  !$H0X?M PH31%BK"@$ A m&@:;|;w;w;w;ww 0'     x'      An empirical comparison of pie vs. linear menus. Hopkins D., Weiser M. & Shneiderman B. (1988) Proceedings of CHI 88, pp. 95-100. Issues in combining marking and direct manipulation techniques. Kurtenbach G. & Buxton W. (1991) Proceeddddddedddd References#      ings of UIST '91, New York: ACM. Specifying Gestures by Example. Rubine, D. (1991) Computer Graphics, Volume 25, 4, July 1991, pp. 329-337. <8Pڔ.<<TPڔJHyperMark allows quick command execution by using marks and saves screen space HyperStrokes + Good when shape based markings exists for commands + Ability to use charasteristics of the mark as parameters to the command. - Requires more designing effort, not self explanatory. Marking Menu + Good when no obvious shape based markings for commands. + Requires very little programming, self explanatory. Future Work Combining both approaches to take advantage of : + Self-explanation of Marking Menus.