Diff of /branches/pure-cfg/TODO

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	revision 947, Fri Apr 22 14:54:00 2011 UTC	revision 948, Fri Apr 22 19:19:03 2011 UTC
#	Line 77	Line 77
77	Having this would simplify expression of standard LIC method, and	Having this would simplify expression of standard LIC method, and
78	would also help express other vector field expressions that arise	would also help express other vector field expressions that arise
79	in vector field feature exraction	in vector field feature exraction
80		Related to this and possibly simpler:
81		image(2)[2] Vimg = load(...);
82		field#1(2)[] Vlen = |Vimg ⊛ ctmr|;
83		to get a scalar field of vector length, or
84		field#1(2)[] F = Fimg ⊛ ctmr;
85		field#1(2)[] Gmag = |∇F|;
86		to get a scalar field of gradient magnitude, or
87		field#1(2)[] F = Fimg ⊛ ctmr;
88		field#1(2)[] Gmag = ∇F•∇F;
89		to get a scalar field of squared gradient magnitude
90		(which is simpler to differentiate)
91
92	ability to declare a field in such a way so that probe	ability to declare a field in such a way so that probe
93	positions are *always* clamped to the support of "inside";	positions are *always* clamped to the support of "inside";

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