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[diderot] Diff of /branches/pure-cfg/TODO
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Diff of /branches/pure-cfg/TODO

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revision 803, Tue Apr 12 04:20:37 2011 UTC revision 900, Wed Apr 20 18:23:24 2011 UTC
# Line 2  Line 2 
2  SHORT TERM =============  (for curvature-based VR)  SHORT TERM =============  (for curvature-based VR)
3  ========================  ========================
4    
5  For RGB color output of 2D transfer function (indexed by  vector fields: convolution on vector images
6  kappa1,kappa2), or for a 1D transfer function, will need      (image orientation not quite working)
 something akin to convolution on vector images  
7    
8  IL support for higher-order tensor values (matrices, etc).  IL support for higher-order tensor values (matrices, etc).
9      tensor construction [DONE]      tensor construction [DONE]
10      tensor indexing [DONE]      tensor indexing [DONE]
11      tensor slicing      tensor slicing
12      verify that hessians work correctly      verify that hessians work correctly [DONE]
13    
14  Outer products  Outer products [DONE]
15      syntax [DONE]  
16      typechecking  Add M dot v, v dot M, and M dot N [DONE]
     IL and codegen  
17    
18  Add M dot v, v dot M, and M dot N  Identity matrix [DONE]
19    
20  Identity matrix [DONE up to code generation]  Zero tensor [DONE]
21    
22  trace [DONE]  trace [DONE]
23    
24  extend norm (|exp|) to tensor[3,3]  extend norm (|exp|) to tensor[3,3] [DONE]
25    
26    Matrix addition, subtraction, and scaling  [DONE]
27    
28  Use ∇⊗ etc. syntax  Use ∇⊗ etc. syntax
29      syntax [DONE]      syntax [DONE]
# Line 40  Line 40 
40    
41  lerp on scalars and vectors [DONE]  lerp on scalars and vectors [DONE]
42    
43    Infix "^" operator for pow() [DONE]
44    
45    Code generation support for 1D image data, such as RGBA transfer functions [DONE]
46    
47  ==============================  ==============================
48  other SHORT TERM =============  (including needed for LIC)  other SHORT TERM =============  (including needed for LIC)
49  ==============================  ==============================
50    
51  determinant ("det") for tensor[3,3]  determinant ("det") for tensor[3,3]
52    
53  Decide if we want to allow redefinitions of variables  extend norm (|exp|) to all tensor types [DONE for vectors and matrices]
   (as in vr-lite-cam.diderot)  
   
 extend norm (|exp|) to all tensor types  
   
 extend normalize to all tensor types  
   
 vector fields: convolution on vector images  
54    
55  expand trace in mid to low translation  expand trace in mid to low translation
56    
# Line 64  Line 61 
61      rgba = real{4}      rgba = real{4}
62    
63  ==============================  ==============================
64  MEDIUM TERM ================== (needed for streamlines & tractography)  MEDIUM TERM ================== (including needed for streamlines & tractography)
65  ==============================  ==============================
66    
67  ability to emit/track/record variables into dynamically re-sized  ability to emit/track/record variables into dynamically re-sized
# Line 74  Line 71 
71    
72  tensor fields: convolution on general tensor images  tensor fields: convolution on general tensor images
73    
74    Use of Teem's "hest" command-line parser for getting
75    any input variables that are not defined in the source file
76    
77    Save Diderot output to nrrd, instead of "mip.txt"
78      For grid of strands, save to similarly-shaped array
79      For list of strands, save to long 1-D (or 2-D for non-scalar output) list
80      For ragged things (like tractography output), will need to save both
81        complete list of values, as well as list of start indices and lengths
82        to index into complete list
83    
84  ==============================  ==============================
85  other MEDIUM TERM ============ (needed for particles)  other MEDIUM TERM ============ (needed for particles)
86  ==============================  ==============================
# Line 89  Line 96 
96    
97  proper handling of stabilize method  proper handling of stabilize method
98    
99  Add support for code like  test/vr-kcomp2.diderot: Add support for code like
100    
101          (F1 if x else F2)@pos          (F1 if x else F2)@pos
102    
# Line 100  Line 107 
107  other MEDIUM TERM ============  other MEDIUM TERM ============
108  ==============================  ==============================
109    
110  support fog Python interop and GUI  want: warnings when D (and likely I) is declared as a
111    variable name (now get confusing error messages now)
112    
113    support for Python interop and GUI
114    
115  ==============================  ==============================
116  LONG TERM ====================  LONG TERM ====================
# Line 128  Line 138 
138    
139  "tensor comprehension" (like list comprehension)  "tensor comprehension" (like list comprehension)
140    
141    Python/ctypes interface to run-timez
142    
143  ======================  ======================
144  BUGS =================  BUGS =================
145  ======================  ======================
146    
147    test/abexit.diderot
148            // HEY (BUG): this program can't run; this is the info from gdb (below)
149            // NOTE: if you remove the "inside" test; then it does run w/out problems
150            //   (gdb) run
151            //   Starting program: /Users/gk/diderot/diderot/pure-cfg/test/abexit
152            //   warning: posix_spawn failed, trying execvp, error: 86
153            //   Reading symbols for shared libraries ++. done
154            //   initializing globals ...
155            //
156            //   Program exited with code 01.
157            //   (gdb)
158    
159  test/mip-cam.diderot:  test/mip-cam.diderot:
160      // generated C code looks like "(float)p_ui_0--0.5e0f"      // generated C code looks like "(float)p_ui_0--0.5e0f"
161      //real rayU = 2.0*camUmax*(real(ui) - -0.5)/real(imgResU) - camUmax;      //real rayU = 2.0*camUmax*(real(ui) - -0.5)/real(imgResU) - camUmax;

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