norseman wrote:
Anthra Norell wrote:
Andres Acosta wrote:
HI there Anthara have you checked out www.Blender.org, It is open
source and accepts a lot of your formats. for import and export.
Anrdres
Anthra Norell wrote:
Hi,
Anyone working with CAD who knows about numeric data entry? I
have 3d coordinates of a construction site on a slope (borders,
setbacks and isometric elevation lines). Someone made me aware of
Google's Sketch Up. It looks very attractive for the purpose of
architectural planning, especially suited to create visual
impressions. Doodling seems easy. But I have to start with modeling
the terrain and the envelope and the only way to do that seems to
be in one of several CAD file formats (skp, dwg, dxf, 3ds, ddf and
dem). So I need to cast my numbers into one of these formats. Any
suggestions?
Thanks
Frederic
Andres,
Thanks for the tip. I wasn't aware of Blender. The web page looks
promising. I downloaded it and am going to have a look at it.
Frederic
===================
Frederic;
Could you be a little more specific about your data's current
format and the format that seems to best suit your needs?
Tabular source data and dxf output files for use in CAD are quite
simple to write. But this assumes dxf suits your display program's
needs.
I think, for display purposes, Microsoft Word still accepts dxf files.
I run unix mostly and I don't keep up with Window$. ;(
I suggest you Google for CAD (Computer Aided Drafting) programs. There
are free ones out there. Most will take the DXF format. If the
contours are pre-traced you can polyline them to make the contours
look correct. If the 3D points are X-section or random you will need a
contour generating program.... and so it goes.
Let's start here - what is your area of expertise, how much math in
your background, why are you attempting this exercise?
In order to communicate properly I need to know. I can tailor my
comments to suit.
Steve Turner
Licensed Land Surveyor CA 5197 (inactive)
1st order Photogrammetric Compiler (2D depctions from 3D photo sets)
in short Map Maker, Master Grade
norse...@hughes.net
Steve,
Thank you for your support. In a nutshell: I have a patch of
constructible land and have the coordinates of its borders and a few
other parameters. The patch is on a slope, so I had a surveyor do the
isometric elevation lines. That's a lot more coordinates. The
coordinates are plain text. Plain text is a breeze to convert into
Python sequences. So I made a bitmap of the ground plan with the
elevation lines as a template to play around doing architecture. A
ground plan is 2d and as such is rather ill-suited to conceptualize the
vertical dimension. Then someone made me aware of Google Sketch Up. It
looks sort of like MS Paint in three dimensions: intuitive for doodling.
Before I waste time doodling a flying or a subterranean house I want to
make a three-dimensional template of the terrain and the constructible
volume. The way to import numeric data, for what I see, is as one of the
following CAD-file formats: skp, dwg, dxf, 3ds, ddf or dem. So I need to
convert my coordinates into one of them, preferably the
conversion-friendliest, but I don't have the specifications of any one.
I had a look at Blender. It looks impressive too. It might be an
alternative to Sketch Up. I'll worry about that later. My immediate need
is a file conversion utility. A cursory inspection of Blender's menu
tabs and the various help options didn't turn up a file-conversion
utility. So, my question is: How do I convert a bunch of
three-dimensional coordinates defining lines into a file format Sketch
Up can read (skp, dwg, dxf, 3ds, ddf or dem)?
Frederic
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