"Bald Eagle" <cre### [at] netscapenet> wrote:
> POV-RAY can read in the ASCII STL file, and write out the data to a binary STL.
> As I have investigated doing this not long ago, the real PITA here is trying to
> parse and process the ASCII in POV-RAY.
> What _I_ wound up doing was just using a LibreOffice spreadsheet to go from
> ASCII STL to a POV-RAY mesh object. If that initial pre-processing step in the
> workflow isn't a big deal, then you could do the same to format your ASCII STL
> data, and then use POV-RAY to read in and write out a binary STL file.
Thanks! I have my import export for generale purpose, a lot of work in many
years, this problem is solved ...
The goal for export bin stl WHILE I am working on the CAD dwg, is for to view a
runtime quickly step by step the design, and without I have to save the dwg (or
I am able to export in ASCII file from CAD immediately, it works fine but the
ascii is big and slow to write and to read...
I should understand how to write an AutoLISP function that reads a double float
but writes a single (as bin STL needs).
In the real LISP it is possible without trick, but in the reduct set of the
functions of AutoLISP does not have this option.
I saw on internet but to write a trick is over my capacity.
There is a need to build a binary string by manipulating the individual bits
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