DAZ Discussion Forum | Why the huge difference in DUF file sizes?

Why the huge difference in DUF file sizes?

barbult

Posted: 31 August 2012 08:55 PM

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Joined 2012-02-04

Why are some DUF scene files less than 100 KB and others are over 20 MB? It can’t just be the number of items in the scene. The large ones are filled with sections that look kind of like this snipet:

{
      "bone" : "abdomen",
      "figure_map" : {
       "count" : 2362,
       "values" : [ [ 17146, 1 ], [ 17147, 1 ], [ 17149, 1 ], [ 17153, 1 ], [ 17154, 1 ], [ 17159, 1 ], [ 17160, 1 ],
 [ 17166, 1 ], [ 17167, 1 ], [ 17188, 1 ], [ 17189, 1 ], [ 17191, 1 ], [ 17214, 1 ], [ 17217, 1 ], [ 17251, 1 ],
 [ 17252, 1 ], [ 17254, 1 ], [ 17258, 1 ], [ 17259, 1 ], [ 17264, 1 ], [ 17266, 1 ], [ 17271, 1 ], [ 17275, 1 ], 
[ 17277, 1 ], [ 17491, 1 ], [ 17492, 1 ], [ 17494, 1 ], [ 17496, 1 ], [ 17497, 1 ], [ 17499, 1 ], [ 17503, 1 ], 
[ 17504, 1 ], [ 17506, 1 ], [ 17672, 1 ], [ 17673, 1 ], [ 17677, 1 ], [ 17696, 1 ] [ 17698, 1 ], [ 17703, 1 ], 
[ 17714, 1 ], [ 17715, 1 ], [ 17717, 1 ], [ 17723, 1 ], [ 17725, 1 ], [ 17729, 1 ], [ 17731, 1 ], [ 17733, 1 ],
 [ 17735, 1 ], [ 17756, 1 ], [ 17757, 1 ], [ 17775, 1 ], [ 17776, 1 ], [ 17824, 1 ], [ 17825, 1 ], [ 17827, 1 ], 
[ 17830, 1 ], [ 17833, 1 ], [ 17838, 1 ], [ 17839, 1 ], [ 17841, 1 ], [ 17846, 1 ], [ 17847, 1 ], [ 18070, 1 ],
[ 18072, 1 ], [ 18075, 1 ], [ 18077, 1 ], [ 18078, 1 ], [ 18080, 1 ], [ 18082, 1 

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cridgit

Posted: 01 September 2012 03:00 AM

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DAZ files used to be in a binary format which is more efficient. I’m not familiar with the new DUF file format but, 1) it uses a more inefficient text format, and 2) I expect some files may contain geometry (like the above) and some may refer to a separate geometry file.

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Bejaymac

Posted: 01 September 2012 04:37 AM

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Large DUF scene files means very little of what was in the scene was already in the DSF format, when you saved it most of your scene will have been converted to DSF and stored in the “data/auto_adapted” folder, it will also have written most of that data into the DUF scene file.

The smaller files either have nothing but Genesis/TriAx content in the scene, or have very little that needs converted to DSF.

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