-5-
¥Controlling the mappings from
voxel value to brightness and opacity:
²Probably want to
make white matter be fully white.
Drag
#3 Brightness handle up to top, over to white matter value²Probably want to
reduce Opacity to 0 for all low intensity voxels.
Drag
#2 Opacity handle to bottom, over to histogram trough valueåThen press Draw to force a re-rendering
Values below ÒBotÓ are equivalent to ÒBotÓ
Values above ÒTopÓ are equivalent to ÒTopÓ
Gray and White matter peaks for this SPGR dataset
Crv Þ curve
between handles
# Þ changes
number of handles
Line Þ restore
straight line map
ÔHandlesÕ that let you change the shape of the mapping functions
Horizontal axes
correspond to voxel values between ÒBotÓ and ÒTopÓ