Table 2.

The chart plots the average user preference between two rendering techniques for three different applications and overall utility. A value of 1 was given for WDT rendering and a value of 5 was given for traditional segment rendering (TSR). A value of 3 indicates equal preference. The WDT technique was generally prefered except for showing the shape of the structure.

		Non-Medical users				Medical users
Showing shape	3.6	Prefer WDT		Prefer TSR	3.5	Prefer WDT		Prefer TSR
Showing context	1.5	Prefer WDT		Prefer TSR	2.0	Prefer WDT		Prefer TSR
Localizing structures	2.6	Prefer WDT		Prefer TSR	2.3	Prefer WDT		Prefer TSR
Overall utility	2.5	Prefer WDT		Prefer TSR	2.3	Prefer WDT		Prefer TSR