FORMAT

===========================================================================

Sections (= blocks = nodes)

1000 <length> "__IdvSpt_02_" % begin of file, version ID
1001 % end of 1000 section
1002 % begin of 2000 and 6000 (trunk and branches)
1003 % end of 1002
1004 % begin of 3000 and 4000 section (leaves and leaves billboards)
1005 % end of 1004
1006 <int> % Leaves/Number of leaf texture maps (equals 60007)
1007 % begin of section containing 4000
1008 % end of 1007
1009 % begin
1010 % end of 1009
1011 % begin of 5000
1012 % end of 1011
1014 <int> % Number of tree levels (4 = trunk, branches level 1, branches level 2, leaves; does not include roots) % XXXX includes fronds! see DefaultPalm.spt
1015 % end of 1014
1016 % begin of bezierspline list 6000
1017 % end of 1016

2000 <intstring> % Trunk and branches texture map % see 70000
2001 <float> % LOD/Compute LOD/Far distance Actual value
2002 <byte> % ??? Always = 0 in examples.
2003 <float> % LOD/Compute LOD/Near distance Actual value
2004 <int> % Not in v4. Always = 0 in v3 demos.
2005 <int> % Global/Seeds/Main
2006 <float> % Global/Size and Orientation/Size % spttest/003
2007 <float> % Global/Size and Orientation/Size Variance

3000 <float> % Leaves/Blossom Rules/Distance(%) % 100* in UI
3001 <int> % Leaves/Blossom Rules/Depth
3002 <float> % Leaves/Blossom Rules/Weight(%) % 100* in UI
3003 <byte> % ???? Always = 0 in examples. % XXXX
3004 <float> % ???? Always = -1.0 in examples. % XXXX
3005 <float> % ???? Always = -1.0 in examples. % XXXX
3006 <byte> % ???? Always = 0 in examples. % XXXX
3007 <float> % Leaves/Placement/Tolerance % 100* in UI
3008 <int> % Leaves/Placement/Collision detection % 0 None 1 Branch 2 Tree
3009 <byte> % Lighting/Leaf Lighting/Dimming toggle % 0 off 1 on
3010 <float> % Lighting/Leaf Lighting/Dimming(%)

4000 <byte> % Make Blossom % 0 No 1 Yes
4001 3x<float> % Leaves/Texture Maps/Color
4002 <float> % Leaves/Texture Maps/Orientation Var(%) % ex color variance?
4003 <intstring> % Leaves/Texture Maps/Leaf texture map filename
4004 3x<float> % Leaves/Texture Maps/Texture Map Origin (XYZ) % yellow mark on the texture
4005 3x<float> % Leaves/Texture Maps/Size / 100.0 % in XY % does Z have any effect?
4006 3x<float> % ???? Matches the original value of Leaves/Texture Maps/Size (x,y,z) without division by 100. A coincidence? % XXXX
4007 <float> % ???? % XXXX

5000 3x<float>?? % = 0 in demos % XXXX
5001 3x<float>?? % = 0 in demos % XXXX
5002 3x<float> % XXXX
5003 3x<float>?? % = 0 in demos % XXXX
5004 3x<float> % XXXX
5005 <float> % XXXX
5006 <byte> % XXXX

% Trunk, branches, and leaves. Meaning may vary depending on type.
% See spttools/NOTES for the curve-parameter table.
% devdiary_march_screen05B.jpg

% Trunk
6000 <length> <bezierspline> % Disturbance % 100*/100*/1* in UI % 0 100 greyed
6001 <length> <bezierspline> % Gravity % 1*/1* UI % 0.95 0.95 0.2 no curve
6002 <length> <bezierspline> % Flexibility % 100*/100* in UI % 0.2 0.2 0.05 nc
6003 <length> <bezierspline> % Flexibility Profile % 100*/100*/?* 0 100 greyed
6004 <length> <bezierspline> % Length % 100*/100* in UI % no curve
6005 <length> <bezierspline> % Radius % 100*/100* in UI % no curve
6006 <length> <bezierspline> % Radius Profile % 100*/100*/100* in UI % 0 100 gr
6007 <length> <bezierspline> % Start Angle % 1*/1* in UI % no curve
6008 <int> % Segments/Cross-section % spttest/013,035
6009 <int> % Segments/Length % spttest/014
6010 <float> % Branches/Generation/First % 100* in UI??
6011 <float> % Branches/Generation/Last  Leaves/Texture Maps/color variance???
6012 <float> % Branches/Generation/Frequency % spttest/017,036
6013 <float> % Texture Map Tiling/U tiling % spttest/018 % ex S
6014 <float> % Texture Map Tiling/V tiling % spttest/019 % ex T
6015 <byte>  % Texture Map Tiling/U Abs % 0 = no abs, 1 = abs
6016 <byte>  % Texture Map Tiling/V Abs
6017 <length> <bezierspline> % Gravity Profile 100*/100*/?* (ex Angle Profile) % 1* % spttest/039
Note: Generation/First+Last+Freq of branch level 1 are in 6010-12 of trunk
Note: Generation/First+Last+Freq of leaves are in 6010-12 of the last branch level
Note: Generation/First+Last+Freq slots of leaves are used for completely something else. Check!
Note: Generation/First+Last+Freq of Roots are in 40003-5

% Leaves
6000 <length> <bezierspline> % NUSED Disturbance % 100*/100*/1* in UI % 0 100 greyed
6001 <length> <bezierspline> % NUSED Gravity % 1*/1* UI % 0.95 0.95 0.2 no curve
6002 <length> <bezierspline> % NUSED Flexibility % 100*/100* in UI % 0.2 0.2 0.05 nc
6003 <length> <bezierspline> % NUSED Flexibility Profile % 100*/100*/?* 0 100 greyed
6004 <length> <bezierspline> % Placement/Distance % 100*/100*/100* in UI
6005 <length> <bezierspline> % NUSED Radius % 100*/100* in UI % no curve
6006 <length> <bezierspline> % NUSED Radius Profile % 100*/100*/100* in UI % 0 100 gr
6007 <length> <bezierspline> % NUSED Start Angle % 1*/1* in UI % no curve
6008 <int> % ??? (Segments/Cross-section % spttest/013,035)
6009 <int> % ??? (Segments/Length % spttest/014)
6010 <float> % Branch generation/First % 100* in UI??
6011 <float> % Branch generation/Last  Leaves/Texture Maps/color variance???
6012 <float> % Branch generation/Frequency % spttest/017,036
6013 <float> % Texture Map Tiling/U tiling % spttest/018 % ex S
6014 <float> % Texture Map Tiling/V tiling % spttest/019 % ex T
6015 <byte>  % Texture Map Tiling/U Abs % 0 = no abs, 1 = abs
6016 <byte>  % Texture Map Tiling/V Abs
6017 <length> <bezierspline> % Gravity Profile 100*/100*/?* (ex Angle Profile) % 1* % spttest/039

% Fronds (DefaultPalm.spt) Where these values are entered?
6000 <length> <bezierspline> % Disturbance % 100*/100*/1* in UI % 0 100 greyed
6001 <length> <bezierspline> % Gravity % 1*/1* UI % 0.95 0.95 0.2 no curve
6002 <length> <bezierspline> % Flexibility % 100*/100* in UI % 0.2 0.2 0.05 nc
6003 <length> <bezierspline> % Flexibility Profile % 100*/100*/?* 0 100 greyed
6004 <length> <bezierspline> % Length % 100*/100* in UI % no curve
6005 <length> <bezierspline> % Radius % 100*/100* in UI % no curve
6006 <length> <bezierspline> % Radius Profile % 100*/100*/100* in UI % 0 100 gr
6007 <length> <bezierspline> % Start Angle % 1*/1* in UI % no curve
6008 <int> % Segments/Cross-section % spttest/013,035
6009 <int> % Segments/Length % spttest/014
6010 <float> % Branches/Generation/First % 100* in UI??
6011 <float> % Branches/Generation/Last  Leaves/Texture Maps/color variance???
6012 <float> % Branches/Generation/Frequency % spttest/017,036
6013 <float> % Texture Map Tiling/U tiling % spttest/018 % ex S
6014 <float> % Texture Map Tiling/V tiling % spttest/019 % ex T
6015 <byte>  % Texture Map Tiling/U Abs % 0 = no abs, 1 = abs
6016 <byte>  % Texture Map Tiling/V Abs
6017 <length> <bezierspline> % Gravity Profile 100*/100*/?* (ex Angle Profile) % 1* % spttest/039


% Original: Trunk+Branches+Leaves
6000 <length> <bezierspline> % Trunk+Branches/Disturbance % 100*/100*/1* in UI
6001 <length> <bezierspline> % Trunk+Branches/Gravity % 1* UI
6002 <length> <bezierspline> % Trunk+Branches/Flexibility % 100* in UI
6003 <length> <bezierspline> % Trunk+Branches/Flexibility Profile
6004 <length> <bezierspline> % Trunk+Branches/Length +  Leaves/Distance % 100* in UI
6005 <length> <bezierspline> % Trunk+Branches/Radius % 100* in UI % but why branches started higher and had more branches at top % spttest/048
6006 <length> <bezierspline> % Trunk+Branches/Radius Profile % 100* in UI % spttest/011
6007 <length> <bezierspline> % Trunk+Branches/Start Angle % 1* in UI % spttest/029-32
6008 <int> % Trunk/Segments/Cross-section % spttest/013,035
6009 <int> % Trunk/Segments/Length % spttest/014
6010 <float> % Trunk/Branch generation/First % 100* in UI??
6011 <float> % Trunk/Branch generation/Last  Leaves/Texture Maps/color variance???
6012 <float> % Trunk/Branch generation/Frequency % spttest/017,036
6013 <float> % Trunk/Texture Map Tiling/s-coord % spttest/018
6014 <float> % Trunk/Texture Map Tiling/t-coord % spttest/019
6015 <byte> % Trunk/Texture Map Tiling/s-coord/Abs % 0 = no abs, 1 = abs
6016 <byte> % Trunk/Texture Map Tiling/t-coord/Abs
6017 <length> <bezierspline> % Trunk+Branches/Angle Profile % 1* % spttest/039

7000 % begin
7001 % end

8000 % begin of ?
8001 % end of 8000
8002 <int> % Lighting/Branch Lighting/Lighting style % 0 Dynamic 1 Static
8003 4x3x<float> <float> % Lighting/Materials/Branches/DiffuseColor AmbientColor SpecularColor EmissiveColor Shine
8004 <int> % Lighting/Leaf Lighting/Lighting style % 0 Dynamic 1 Static
8005 4x3x<float> <float> % Lighting/Materials/Leaves/DiffuseColor AmbientColor SpecularColor EmissiveColor Shine
8006 <float> % Lighting/Leaf Lighting/Lighting Adjust
8007 <int> % Lighting/Leaf Lighting/Static lighting style + Simulate shadows % 0x0 Basic + Off 0x1 Use light sources + Off 0x2 Basic + On 0x3 Use light sources + On
8008 <int> % Lighting/Frond Lighting/Lighting style % 0 Dynamic 1 Static
8009 4x3x<float> <float> % Lighting/Materials/Fronds/DiffuseColor AmbientColor SpecularColor EmissiveColor Shine

9000 % begin of ? % LOD
9001 % end of ?
9002 <int> % LOD/LeavesBillboard/Transition method % 0 Pop 1 Smooth 3 None
9003 <float> % LOD/LeavesBillboard/Radius
9004 <float> % LOD/LeavesBillboard/Exponent
9005 % begin of ????
9006 % end of ????
9007 <int> % LOD/Branches/Num LODs
9008 <float> % LOD/Branches/Min vol(%) % 100* in UI
9009 <float> % LOD/LeavesBillboard/Size(%) % 100* in UI
9010 <float> % LOD/LeavesBillboard/Reduction(%) % 100* in UI
9011 <int> % LOD/LeavesBillboard/Num LODs
9012 <float> % LOD/Branches/Max vol(%) % 100* in UI
9013 <float> % LOD/Branches/Fuzziness(%) % 100* in UI
9014 <float> % LOD/Branches/Retention(%) % 100* in UI

10000 % begin of composite map texture coordinates?
10001 % end
10002 <int N> 8x<float>*N % Composite map/Texture quads for leaves
10003 <int N> 8x<float>*N % Composite map/Texture quads for 360 deg billboards
10004 <int N> 8x<float>*N % Composite map/Texture quads for fronds

11000 % begin
11001 % end
11002 <int> % Wind/Branch Weighting Level/First level receiving wind effects

12000 % begin of collision objects
12001 % end
12002 4x<float> % Collision Object/Sphere: XYZ position, Radius
12003 5x<float> % Collision Object/Capsule: XYZ position, Radius, Length
12004 6x<float> % Collision Object/Box: XYZ extend 1, XYZ extend 2 (nearly XYZ Min XYZ Max)

13000 % begin of fronds system
13001 % end
13002 <int> % Fronds/Generation/Level
13003 <int> % Fronds/Blades+ExtrudedProfile toggle % 0 Blades 1 Extruded Profile
13004 <int> % Fronds/Blades/Number of blades per frond
13005 <intstring> % Bezier % Fronds/Extruded Profile/Profile
13006 <int> % Fronds/Extruded Profile/Segments + 1
13007 <byte> % Fronds/Generation/Enabled
13008 <int> % Fronds/Number of frond texture maps % equals 60008
13009 <int> % LOD/Fronds/Num LODs
13010 <float> % LOD/Fronds/Max area(%) % 100* in UI
13011 <float> % LOD/Fronds/Min area(%) % 100* in UI
13012 <float> % LOD/Fronds/Fuzziness(%) % 100* in UI
13013 <float> % LOD/Fronds/Retention(%) % 100* in UI

14000 % begin of frond map
14001 % end
14002 <intstring> % Fronds/Texture Maps/Frond texture map filename
14003 <float> % ???? % XXXX
14004 <float> % Fronds/Texture Maps/Frond size factor
14005 <float> % Fronds/Texture Maps/Min offset angle
14006 <float> % Fronds/Texture Maps/Max offset angle
14007 <int> % LOD/Fronds/Minimum extrusion segments/Length
14008 <int> % LOD/Fronds/Minimum extrusion segments/Profile
Note: 14007 and 14008 are outside the block.

15000 % begin of ?
15001 % end of ?
% number of blocks 15002-15003 is given by 1014?
% as many as 6000 sections
15002 <byte> % Trunk/Texture Map Tiling/Random V offset % ex Random offset % see 50009
15003 <float> % Trunk/Texture Map Tiling/Twist % see 50008

16000
16001
% number of blocks 16002-16012 is given by 1014 + 1 (roots) but begin section 16000 may not exist
% For leaves (previous of the last), the meaning may be different.

16013 <int> % Global/Seeds/Flare % outside of 16000 block
16014 <float> % LOD/LeavesBillboards/Leaf transition(%) / 2.0 % outside of 16000 block

% Trunk, Branches, Roots
16002 <float> Segments/Pack % ex Flares/Vertex Packing/Exponent
16003 <int>   Flares/Flare Parameters/Number
16004 <float> Flares/Flare Parameters/Balance
16005 <float> Flares/Flare Parameters/Radial influence
16006 <float> Flares/Flare Parameters/Radial influence variance
16007 <float> Flares/Flare Parameters/Radial exponent
16008 <float> Flares/Flare Parameters/Radial distance
16009 <float> Flares/Flare Parameters/Radial distance variance
16010 <float> Flares/Flare Parameters/Length distance
16011 <float> Flares/Flare Parameters/Length distance variance
16012 <float> Flares/Flare Parameters/Length exponent

% Leaves % XXXX does this exists for leaves??
16002 <float> Segments/Pack % ex Flares/Vertex Packing/Exponent
16003 <int>   Flares/Flare Parameters/Number
16004 <float> Flares/Flare Parameters/Balance
16005 <float> Flares/Flare Parameters/Radial influence
16006 <float> Flares/Flare Parameters/Radial influence variance
16007 <float> Flares/Flare Parameters/Radial exponent
16008 <float> Flares/Flare Parameters/Radial distance
16009 <float> Flares/Flare Parameters/Radial distance variance
16010 <float> Flares/Flare Parameters/Length distance
16011 <float> Flares/Flare Parameters/Length distance variance
16012 <float> Flares/Flare Parameters/Length exponent

18000 % shadow or selfshadow, or both?
18001
18002 3x<float> % ???? % XXXX % shadow projection matrix? or Camera, Light, or Custom position in the self-shadow export window
18003 3x<float> % ???? % XXXX
18004 3x<float> % ???? % XXXX
18005 <intstring> % Global/Self-shadow map filename

19000 % shadow related?
19001
19002 <int>?? / <float>?? % example trees have the value = 0 % when this section is missing, what else is missing? % XXXX

20000
20001
20002 <intstring> % Global/Composite map filename
20003 <byte> % ???? % XXXX
20004 <byte> % ???? % XXXX
20005 8x<float> % texture coordinate pairs, ccw quad % XXXX

21000 <float> % Wind/SpeedWind Support/Leaf rock angle scalar
21001 <float> % Wind/SpeedWind Support/Leaf rustle angle scalar

22000 <byte> % Wind/Branch Weighting Level/Propagate flexibility to higher levels

23002 <float> % ???? % XXXX
23003 <float> % ???? % XXXX

25000
25001
25002 <float> % Fronds/Generation/Rules/Distance(%) % 100* in UI
25003 <int> % Fronds/Generation/Rules/Depth
25004 <int> % Fronds/Generation/Rules/Above condition % 0 Enabled 1 Disabled 2 Pruned
25005 <int> % Fronds/Generation/Rules/Below condition % 0 Enabled 1 Disabled 2 Pruned
25006 <int> % Fronds/Length Segment Override/Value
25007 <byte> % Fronds/Length Segment Override/Enabled

26000
26001
26002 % begin of
26003 % end of
26004 <float> % Roughness/Amount % 100* in UI
26005 <float> % Segments/Keep% (Length) % 100* in UI
26006 <float> % Segments/Keep% (Cross-section) % 100* in UI
26007 <float> % Generation/Dist(%)
26008 <int> % Generation/Depth
26009 <byte> % Fork
26010 <float> % Fork/Bias
26011 <float> % Fork/Angle
26012 <int> % Fork/Limit
26013 <intstring> % Bezier % Segments/Profile curve % Cross-sectional segment profile
26014 <intstring> % Bezier % Light Seam Reduction/Normal Profile curve
26015 <float> % Roughness/Vert freq
26016 <float> % Roughness/Horiz freq
26017 <float> % Roughness/Amount Variance % 100* in UI
26018 <intstring> % Bezier % Roughness/Rough profile
26019 <intstring> % Bezier % Generation/Profile (Freq profile)
26020 <intstring> % Bezier % Light Seam Reduction/Bias
26021 <float> % Gnarl
26022 <intstring> % Bezier % Roughness/Gnarl profile
26023 <byte> % Roughness/Unison % 0 off 1 on
Note: Trunk does not have Roughness/Unison
Note: Trunk does not have Light Seam Reduction/Bias curve
Note: Fork/Bias+Angle+Limit of Branch Level 1 are at Trunk's 26000
Note: Generation Profile curve of Branch Level 1 is at Trunk's 26000

27000 % begin
27001 % end
27002 <byte>  % Global/Floor toggle
27003 <float> % Global/Floor/Value
27004 <int> % Global/Floor/Level
27005 <float> % Global/Floor/Exponent
27006 <float> % 1.0 - Global/Floor/Bias

28000 % begin
28001 % end
28002 <byte> % Lighting/Leaf Lighting/Smoothing toggle % 0 off 1 on
28003 <float> % Lighting/Leaf Lighting/Smoothing
28004 <int> % Lighting/Leaf Lighting/Dimming depth

29000 % begin
29001 % end
29002 <int> % Global/Cluster Support/First level with visible branches

30000 % begin
30001 % end
30002 <float> % Lighting/Standard Shaders/3D light/Branch
30003 <float> % Lighting/Standard Shaders/3D light/Frond
30004 <float> % Lighting/Standard Shaders/3D light/Leaf
30005 <float> % Lighting/Standard Shaders/3D light/Global
30006 <float> % Lighting/Standard Shaders/3D light/Ambient
30007 <float> % Lighting/Standard Shaders/Billboard light/Dark side
30008 <float> % Lighting/Standard Shaders/Billboard light/Ambient
30009 <float> % Lighting/Standard Shaders/Billboard light/Bright side

40000 % Roots
40001
40002 <int> % Root Level
40003 <float> % Roots/Generation/First
40004 <float> % Roots/Generation/Last
40005 <float> % Roots/Generation/Freq
40006 % begins the 1016 6000 *** 6017 1017 section
40007 % end of 40006, begin of sections 1500* 160** 2300* 260**
40008 % end of 40007

50000 % Texture Coordinates for all layers: trunk, branches, leaves, roots.
% Leaves section maybe is not used.
50001
50002 % Begin of layer
50003 % End of layer
50004 <float> % U tiling
50005 <float> % V tiling
50006 <byte> % U Absolute
50007 <byte> % V Absolute
50008 <float> % Twist
50009 <byte> % Random V offset
50010 <float> % V offset
50011 <byte> % Clamp U
50012 <byte> % Clamp V
50013 <float> % Left
50014 <float> % Right
50015 <float> % Bottom
50016 <float> % Top
50017 <float> % U offset
50018 <byte> % Sync tex coords to diffuse layer / Sync to diffuse (0 off 1 on)

60000 % begin
60001 % end
60002 % Begin of trunk+branches texture map layers % 70000
60003 % Begin of leaves texture map layers
60004 % Begin of fronds texture map layers
60005 % Begin of composite map layers (leaves+fronds)
60006 <intstring> % Global/Self-shadow map filename
60007 <int> % Leaves/Number of leaf texture maps (equals 1006)
60008 <int> % Fronds/Number of frond texture maps (equals 13008)
60009 % Begin of separate billboards map layers

70000 % Map layers.
70001
70002 % Diffuse map filename
70003 % Detail map filename
70004 % Normal map filename
70005 % Height map filename
70006 % Specular map filename
70007 % User 1 map filename
70008 % User 2 map filename

71000 % Leaves Mesh
71001 <int> % Leaves/Use Mesh/Number of leaf meshes
71002 % begin of a leaf mesh
71003 <intstring> % Leaves/Mesh/Mesh Name
71004 <int> % Leaves/Mesh/Number of vertices
71005 % begin of vertex
71006 <float> <float> <float> % Leaves/Mesh/Vertex/Position
71007 <float> <float> <float> % Leaves/Mesh/Vertex/Normal
71008 <float> <float> <float> % Leaves/Mesh/Vertex/Tangent
71009 <float> <float> <float> % Leaves/Mesh/Vertex/Binormal (?Bitangent/Cotangent?)
71010 <float> <float> % Leaves/Mesh/Vertex/UV coordinates
71011 % end of vertex
71012 <int> % Leaves/Mesh/Triangle Table/Number of vertex indices % 6 triangles = 6*3 indices = 18 indices
71013 <int> % Leaves/Mesh/Triangle Table/Index
71014 end of the leaf mesh
71015 end of the set of leaf meshes
Note: Normal, Tangent, and Binormal places need to be verified.

72000
72001 <byte> % Leaves/Use Mesh toggle
72002 % Not exists in the example trees.
72003 <int> % Leaves/Use mesh/Number of the selected mesh
72004 % End of
72005 <float> % Leaves/Texture Maps/Hang(%) % 100* in UI
72006 <float> % Leaves/Texture Maps/Rotate

73000
73001
73002 % Begin of capsule
73003 % End of capsule
73004 <float> % Collision Object/Capsule/X angle
73005 <float> % Collision Object/Capsule/Y angle
73006 <float> % Collision Object/Capsule/Z angle
Note: Angle X Y Z = 0 0 60 means up.
Note: Must be in the same order than the capsules in section 12000.

74000
74001
74002 <float> % Global/Size and Orientation/Angle

75000
75001
75002 <float> % LOD/Branches/Fade distance
75003 <float> % LOD/Fronds/Fade distance
75004 <byte> % LOD/Fronds/Apply fading to extruded fronds
75005 <float> % LOD/LeavesBillboards/Billboard transition(%) / 2.0

===========================================================================

Notes:

Compute LOD setting is not stored in spt.
In a test, the Near and Far values were changed lightly.
Is parity of 4th decimal used to mark if they were computed
or manually adjusted?

Lighting/Materials/Opacity is not stored in spt.
The opacity value changed back when the material window was
closed.
Verify: The opacityness was not reflected to the lighting tab.

Lighting/Materials/Group etc. are not saved to spt file.
In the test, the values were reset when the window was closed.

Leaves/Apply to all is not saved to spt file.

Lighting/Use standard SpeedTree shaders is not saved to spt file.

Movement of the light source is not saved to spt file.

LOD/Manual LOD/Show LOD indicator is not saved to spt file.
LOD/Manual LOD/Show second tree is not saved to spt file.

Wind/Enabled is not saved to spt file.
Wind/Enabled/Windy leaves is not saved to spt file.
Wind/Enabled/Windy branches is not saved to spt file.
Wind/SpeedWind Support/Default to custom SpeedWind file is not saved to spt file.
Wind/SpeedWind Support/SpeedWind file is not saved to spt file.

Leaf optimize tool changed:
 section = 6012
-float = 150.0000000000000000
+float = 39.0243530273437500
 desc = "Branches/Generation/Frequency"
Second 6012 in the file; that is leaves.
cat zTestConiferLeafoptimizetool70.spt.parsed |grep -A 2 "section = 6012"
section = 6012
float = 200.0000000000000000
desc = "Branches/Generation/Frequency"
section = 6012
float = 39.0243530273437500
desc = "Branches/Generation/Frequency"
section = 6012
float = 0.0000000000000000
desc = "Branches/Generation/Frequency"
section = 6012
float = 0.0000000000000000
desc = "Branches/Generation/Frequency"

Leaf optimize tool/Percentage of leaves kept is not saved to spt file.


===========================================================================

check later
Cluster tool expanded the spt greatly.
The tool moved the tree trunk and branches to higher branches
levels and created invisible new trunk and new first branch level.
Clever. Verify details.

diff zDefaultConifer.spt.parsed zTestConiferClustertool.spt.parsed

===========================================================================

Order in file and hierarchy:

1000
  1002
    2000 2001 2002 2003 2005 2006 2004 2007
    1014
    1016 % blocks 1016 6000 ... 6017 1017 as many times as is given in 1014
         % 1014 = 4: trunk,branches,branches,leaves
      6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017
    1017
    ***
    1015
  1003
  1004
    3000 3001 3002 3003 3004 3009 3010 3005 3006 3007 3008
    1009
      1006
      1007 % 1007 4000 ... 4007 1008 as many times as given in 1006
        4000 4001 4002 4003 4004 4005 4006 4007
      1008
      ***
    1010
  1005
  1011
    5000 5001 5002 5003 5004 5005 5006
  1012
1001
8000
  8002 8003 8004 8005 8006 8007 8008 8009
8001
9000
  9002 9003 8004 9009
  9005
    9007 9008 9010 9011 9012 9013 9014
  9006
9001
11000
  11002
11001
10000
  10002 10003 10004
10001
12000
  12003 12002 % as many times as given in ?
12001
13000
  13002 13003 13004 13005 13006 13007 13009 13010 13011 13012 13013 14007 14008 13008
  14000 % 14000-14001 as many times as given in 13008
    14002 14003 14004 14005 14006
  14001
13001
15000
  15002 15003 % as many times as given in ???? 1014?
15001
16000
  % 16002 16012 as many times as given in ???? 1014? can be 0 independently
  16002 16003 16004 16005 16006 16007 16008 16009 16010 16011 16012
16001
16013 16014
18000
  18002 18003 18004 18005
18001
19000
  19002
19001
20000
  20002 20003 20004 20005
20001
21000 21001
22000

document 25000 and later

25000
  25003 25002 25004 --> 25007
25001

26000
26002 % begin
26004
26015
26016
26017
26005 --> 26014
26018
26019
26020
26022
26021
26023
26003 % end
26002 --> 26003 % 4 times, matches what?
26002 --> 26003
26002 --> 26003
26001

27000
27002
27003
27004
27005
27006
27001

28000
28002
28003
28004
28001

29000
29002
29001

30000
30002 --> 30009
30001

40000 % Roots.
40002 --> 40005
40006 % begin
1016
6000 --> 6017
1017
40007 % end
15003
15002
16002 --> 16012
23002 23003
26004
26015 26016 26017
26005 --> 26014
26018 26019 26020
26022
26021
26023
40008 % end
40001

50000
50002 % begin
50004 --> 50007
50009
50008
50010
50017
50011 --> 50016
50018
50003 % end
50002 --> 50003 % 35 times, including the above % val1014 * 7 texture layers 
50001

% Count occurences of 50002: 28 35 42 49.
% The difference is 7: 4*7 5*7 6*7 7*7.
% What is in section 50000?

60000
  60002
    70000 70002 --> 70008 70001
  60003
  60007
    70000 70002 --> 70008 70001
    70000 70002 --> 70008 70001
  60004 % Fronds/Texture Maps
  60008 % Number of Frond Texture Maps
    70000 70002 --> 70008 70001 % as many as given in 60008
  60005 % Global/Composite Maps
    70000 70002 --> 70008 70001
  60009 % Global/Separate Billboard Maps
    70000 70002 --> 70008 70001
  60006 % string?
60001

71000
71001 % int 2 % numbers are examples only, not exact
71002 % begin
71003
71004 % int 9
71005 % begin
71006 --> 71010
71011 % end
71005 --> 71011 % 9 times, including above
71012 % int 15
71013 % 15 times
71014 % end
71002 --> 71014 % 2 times, including above
71015

72000
7000 % begin
72001
72003
72005
72006
7001 % end
7000 --> 7001 % 2 times, including above
72004

73000
73002 % begin
73004 73005 73006
73003 % end
73002 --> 73003 % 3 times, including above
73001

74000
74002
74001

75000
75002 --> 75005
75001


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