OpenSCAD script generator for geolocated spots on a Planet Earth's model
Hi, I'm the developer at Geody, the geospatial web tool. I've recently
added support for OpenSCAD, so that you can choose one or multiple
places on Earth and get a script that adds geolocated spots on a
planet's model (the Earth model is included from the script and can be
downloaded separately from the website).
To generate the script you have to search for the place you want, or
enter coordinates directly, then you can download the script for a
single spot directly from the OpenSCAD link or you can add the spot to
the Cart and then from the Cart's page export all the spots (for
example, all the places you visited, or the location of all F1
circuits) you added as an OpenSCAD script. In the Cart's page there's
also the link to download the Earth's model. Scripts generated by
Geody are licensed as GPL/CC-by-sa.
You can test it here: http://www.geody.com
Feedback and photos of printed works are very welcomed
Valerio
I think the globe needs at least twice the resolution.
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Maybe I have done something wrong (I just copied the .scad file and
geody_earthmap.stl to a local pathway and ran it) , but I thought I had
requested a chunk of the model near where I live in South Eastern
Australia, and it has drawn a sphere centered on it but concealing the
detail I was after. However if the resolution can be changed with $fn
in my chosen area, that would be good, but at the moment I can't see
what I am after.
Interesting concept all the same.
Cheers, Rob
On 19/02/16 09:55, MichaelAtOz wrote:
I think the globe needs at least twice the resolution.
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Rob,
Just change the variables, I used
wrad=wwrad/60; // Radius of the Spot
wradp=wwrad; // Distance of the Spot from the center of the Planet
http://forum.openscad.org/file/n16184/geo.jpg
(Canberra)
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I expect it's too much to hope for high resolution at a smaller region level. Instead of getting the entire planet in OpenSCAD format, it would be great if the information could be collected for a restricted area. If one considers the entire Earth data as a 3d object, there's far too many triangles to load at one time in any appreciable resolution. Give me a square kilometer or nine of them around a selected point but to a resolution of a meter or so.
On Thursday, February 18, 2016 8:37 PM, Rob Ward <rl.ward@bigpond.com> wrote:
Maybe I have done something wrong (I just copied the .scad file and geody_earthmap.stl to a local pathway and ran it) , but I thought I had requested a chunk of the model near where I live in South Eastern Australia, and it has drawn a sphere centered on it but concealing the detail I was after. However if the resolution can be changed with $fn in my chosen area, that would be good, but at the moment I can't see what I am after.
Interesting concept all the same.
Cheers, Rob
On 19/02/16 09:55, MichaelAtOz wrote:
I think the globe needs at least twice the resolution.
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ElfQrin wrote
Feedback and photos of printed works are very welcomed
Valerio,
It would help of the spots were oriented tangential to the notional sphere.
I was hoping this would look spiky.
http://forum.openscad.org/file/n16186/geo_non-tangent.jpg
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tangent - radial you know what I mean, spiky...either would do.
In fact tangential aligned to the longitude, with north being +Z, would
probably be useful. Then you know which way you are pointing
i.e supplying the appropriate rotations like this
http://forum.openscad.org/file/n16187/geo_tangent.jpg
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Valerio, I assume the XZ plane is through Greenwich?
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You also need a convexity= on the import, 4 worked for me.
Showed as a problem on preview when I differenced a cube to get a
hemisphere.
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Thank you everybody for the feedback so far.
I'll add convexity = 4 on the import, and I'll look into the maths for
the spiky spots (in fact, when you use small spheres as dots as I did
you don't need to care about their orientation).
MichaelAtOz: Yes, XZ plane is through Greenwich. Geographical
coordinates work as expected.
Valerio
2016-02-19 3:28 GMT+01:00 MichaelAtOz oz.at.michael@gmail.com:
You also need a convexity= on the import, 4 worked for me.
Showed as a problem on preview when I differenced a cube to get a
hemisphere.
Admin - PM me if you need anything, or if I've done something stupid...
Unless specifically shown otherwise above, my contribution is in the Public Domain; to the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. Obviously inclusion of works of previous authors is not included in the above.
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