- <hgroup>
- <boolean id="wander" _label="Wander" arg-set="-wander"/>
- <boolean id="spin" _label="Spin" arg-unset="-no-spin"/>
- <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ <vgroup>
+ <select id="surface">
+ <option id="random" _label="Random Surface"/>
+ <option id="dini" _label="Dini's Surface" arg-set="-surface dini"/>
+ <option id="enneper" _label="Enneper's Surface" arg-set="-surface enneper"/>
+ <option id="kuen" _label="Kuen Surface" arg-set="-surface kuen"/>
+ <option id="moebius" _label="Moebius Strip" arg-set="-surface moebius"/>
+ <option id="seashell" _label="Seashell" arg-set="-surface seashell"/>
+ <option id="swallow" _label="Swallowtail" arg-set="-surface swallowtail"/>
+ <option id="bohemian" _label="Bohemian Dome" arg-set="-surface bohemian"/>
+ <option id="whitney" _label="Whitney Umbrella" arg-set="-surface whitney"/>
+ <option id="pluecker" _label="Pluecker's Conoid" arg-set="-surface pluecker"/>
+ <option id="henneberg" _label="Henneberg's Surface" arg-set="-surface henneberg"/>
+ <option id="catalan" _label="Catalan's Surface" arg-set="-surface catalan"/>
+ <option id="corkscrew" _label="Corkscrew Surface" arg-set="-surface corkscrew"/>
+ </select>
+
+ <select id="mode">
+ <option id="random" _label="Random Display Mode"/>
+ <option id="points" _label="Points" arg-set="-mode points"/>
+ <option id="lines" _label="Lines" arg-set="-mode lines"/>
+ <option id="line_loop" _label="Line Loops" arg-set="-mode line-loops"/>
+ </select>
+
+ <hgroup>
+ <boolean id="wander" _label="Wander" arg-set="-wander"/>
+ <boolean id="spin" _label="Spin" arg-unset="-no-spin"/>
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ </hgroup>
+ </vgroup>