Great info Tobias, thanks. I will feed it back to the original extension author.
I've also started an arc dimensioning tool. It will use same info.


On 7/31/2016 4:00 AM, Tobias Ellinghaus wrote:
Am Samstag, 30. Juli 2016, 11:34:59 CEST schrieb Jabiertxo Arraiza Cenoz:
Sorry the mail sended prematurely.

Hi Tobias thanks for your imput, my english is not so good, culd you
fill the selected "table"?
Sure, no problem.

In every line group there are 3 line widths. The thick one is used for the 
general drawing, so it's not relevant for this extension. The thin lines are 
used for the dimension lines, extension lines and similar. The medium lines 
are only used for some symbols and for text. So in theory that would be of 
interest for the numbers printed, however, as we are most likely using regular 
text it can be ignored.

(Of course there are more cases where lines are drawn, but that's beyond the 
scope of the explanation).

That leaves us with only one line width per line group which is needed for the 
whole extension, namely the thin ones.

For line group 0.7 everything should be drawn with 0.35 mm wide lines, for 
line group 0.5 it is 0.25 mm.

In case anyone is curious, the thick lines are 0.7 mm and 0.5 mm. The medium 
ones are 0.5 mm and 0.35 mm. But as I said, none of those should be used for 
dimensionings according to DIN 15 / DIN ISO 128.

Some examples can be seen here:

http://www.maelabs.ucsd.edu/mae_guides/cad/dimensioning/
dimensioning_fundementals.htm

Line Group 0.7
	"Maßshilfslinien" 0.35
Yes.

	"Lines" 0.5
No, 0.35, too. At least for the dimensioning lines.

	"Arrows" Extension are OK
	"Font" OSI
Line Group 0.5
	"Maßshilfslinien" ?
	"Lines" ?
0.25

	"Arro
ws" Extension are OK
	"Font" OSI
OSI font is a nice plus, I presonally use

https://github.com/hikikomori82/osifont

More Line Groups?
No, 0.7 and 0.5 is all that is needed.

Thanks in advance.
You are welcome. I am looking forward to the final LPE!

Tobias

[...]


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