---------- Původní zpráva ----------
Od: H.S.Rai <[email protected]>
Datum: 30. 4. 2013
Předmět: Re: [brlcad-devel] Proposed GSoC Project: Generation of 2D drawings
with Dimensioning from 3D models
"On Fri, Apr 26, 2013 at 11:17 AM, Christopher Sean Morrison
<[email protected]> wrote:
>
>> BRL-CAD has command 'rtedge' to draw outline of model. But it lacks
>> dimensioning facility and other necessary features to make perfect 2D
>> engineering drawing.
>
> Indeed.
rtedge produces raster image. There we can use raster to vector
converter to have vector image."
Or we can use ps command in mged to achieve vector output for
further editing. One way or another, it is tedious work to make a nice
looking draft with annotation lines.
"
It reminds me Geo-graphical Information System (GIS) where it is
routine to use raster and vector maps. Normally 2D, again with only
lines, or polygons. They achieve desired accuracy by defining region
(area) with resolution."
This works pretty well in GRASS GIS. It has the ability to output PostScript
image which preserves raster or vector nature of the original data. So you
can have raster and vector layers in the same image. It would be perfect
to have this in BRL-CAD.
"
<snip>
> In addition to the approach described on the ideas page, a similar feature
could
> be intersecting a plane surface with objects and either integrating it as
a
> visualization aide in the GUI or storing that result as vector output to a
file.
This is interesting. Do you mean "section cutting"?
--
H.S.Rai
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