OK the header contains useful information but also all the entities has
their layer name (flag 8 if not remembering false..)
So mapinfo can import by those flags ..
>One reason at least;
>
>DXF Headers are useful for importing multiple Autocad layers (from a single
>DXF file) into different Mapinfo .TABs (I'm sure it's the Header section
>that tells Mapinfo what layers to expect). - If you really want layer-name
>as an attribute, import your DXF file into multiple tables, , add a
>layer-name variable to each .TAB, then combine your tables.
>
>DXF files output by other programs tend only to have the Entities section
>and can seem somewhat simplistic but a true Autocad DXF file is a thing of
>beauty (in a nerdish, anorak kind of way).
>
>e.g. The Entities section of a DXF file holds font information as a
>font-code and size: the DXF Header stores all the other text font details
>(so that it is only written once, not once for every text-object). Look at
>a MIF file with "Font ("Arial",1,0,0)" writen for each text-object - this
>could be a single character in a DXF file.
>
>Don't do DXF's down, it's just that Mapinfo isn't all that good at using
>the information that's in there!
>
>Regards,
>
>Brian Forrester
>WoodMac
>
>Glossary
>Entities - anything drawn in Autocad, i.e. lines, text, symbols etc.
>
>Previous Message......
>
>MapInfo needs full header section , but why?
>
>None of the programs exports data to DXF properly as much as I know,
>because
>DXF is very stupid and lots of things are messed
>
>So header section should be IGNORED by MapInfo to read full content and
>also
>there should be some checkboxes to sotre layer name as an attribute, .
>
>
>DXF also misses CAD attributes such as color etc..
>
>Beside MIF is a super exchange format ..
>
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