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[Software] GRASS Source Code: m.in.ntf

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Program to read an Ordnance Survey NTF file. Can read most raster and vector formats. (NTF 1 and 2).

Each line in an NTF file starts with a 2 digit record type. 

Included here is a list of supported and unsupported

rocord types. 



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The following NTF record types are supported



00 Continuation record

01 Volume header record

02 Database header record

03 Data description record

04 Data format record

05 Feature classification record

07 Section header record

11 Name record

12 Name position record

14 Attribute record

15 Point record

16 Node record

21 Geometry record

22 3D Geometry record

23 Line record

40 Attribute description record

43 Text record

44 Text position record

45 Text representation record

50 Grid header record

51 Grid data record

99 Volume termination record





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The following are not yet supported



24 Chain record

31 Polygon record

33 Complex polygon

34 Collection of features





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Coding history:



Jo Wood, Department of Geography, V1.0

29th May 1993



Modified, 10th February, 1995



Modified 18th October, 1995 - Incorporates 'STRATEGI' vector files.

	Minor bug modifications, 19th October, 1995.

				 23rd October, 1995.

Last modified 24th October, 1995 - Fixed attribute labelling problem.



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Usage:

 m.in.ntf [-l] ntf=name [out=name]



Flags:

  -l   Sends an NTF conversion log to standard output



Parameters:

  ntf   NTF file to read

  out   Output file

        default: No output file



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Last modified, 3rd August, 1997
jwo@le.ac.uk