NeurolucidaASCClassic


Overview

Older Neurolucida format...


Format specification:  

The format specification is not available online, so this is derived from publicly available data, and may not be complete.

Encoding:  ASCII text
Limitations: Binary trees only.

Header:
version 3
file id: <filename>
MAX:(<float>, <float>, <float>)
MIN:(<float>, <float>, <float>)
filetype: <int>
id1: <int>
id2: <int>
REF:(<float>, <float>, <float>)
rotation: <float>
gx_alpha: <float>
gx_beta: <float>
gx_gamma: <float>

Every other non-empty line essentially represent a command to draw the tree - connecting sample points, describing new and terminating samples, and movement between non-connected samples. The lines take the form

[<int>,<int>] (<float>, <float>, <float>) <float>


 1
 2
 3
 4
 5
 6
data type
 Sample Major Number
 Sample Minor Number
 x position
 y position
 z position
 diameter
data value
 1 -  LineTo
2 - Move
3 - Marker
10 - Section Change
32 - Depth
33 - Error
 1,2 - Dendrite
21,22 - Axon
41, 42 - Soma
61, 62 - Apical Dendrite
5 - Branch point
100...110 - Terminal point
111... - Line Object
 'x', 'y', 'z' are spatial co-ordinates, given in micrometers.
'diameter' is dendrite thickness, also given in micrometers.



References

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Links

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Examples

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