OSM to Si

mr_alca · Post by **mr_alca** » 31 Jan 2025, 15:17

I'm trying to write a plug-in for softimage. Plugin uses data from an OSM file and transfers it to the XSI in the form of 3D objects. This is the first thing I've done so far.

opoppopopp · Post by **opoppopopp** » 31 Jan 2025, 17:13

and it is useful

rray · Post by **rray** » 31 Jan 2025, 23:10

great! and nice to see a little activity around XSI again these days

mr_alca · Post by **mr_alca** » 01 Feb 2025, 13:06

Added height for buildings and roofs for them. Next up is adding tags.

mr_alca · Post by **mr_alca** » 03 Feb 2025, 10:35

I suggest we test it

mr_alca · Post by **mr_alca** » 12 Feb 2025, 14:17

Some progress. Adding processing of paths and trails. Initially, I wanted to design them as Curves, but realized that when processing large areas, it would take too long. So I'm doing the implementation on the strands.

scon · Post by **scon** » 12 Feb 2025, 19:21

Great work. Currently I'm too busy on a project, but I'm curious to test it after that. Looks very good to me. I have checked some of the OSM data sets publicly available. They are humonguesly big at parts.

mr_alca · Post by **mr_alca** » 13 Feb 2025, 12:42

1 Added a custom tag. Now you can enter the tag manually. 2 Added such a thing as the number of floors, for the possibility of throwing windows on houses.

mr_alca · Post by **mr_alca** » 15 Feb 2025, 11:30

I did everything I wanted. This version of the plugin has 3 nodes: "OSM multipolygon" for polygonal objects, "OSM curve" for paths and "OSM point" for single point positions.
You can download it here.
The archive contains the plugin itself, a test scene and a couple of test osm cards.

mr_alca · Post by **mr_alca** » 24 Feb 2025, 18:21

A bird's-eye view of the city. Almost all the data is taken from OSM.

rray · Post by **rray** » 26 Feb 2025, 22:44

looking really good, now I see why it was an ICE tree node and not just an importer

mr_alca · Post by **mr_alca** » 27 Feb 2025, 12:13

Thanks for the feedback.
This is probably the final release of my plugin. While working on the night city scene, I realized that I lacked information on the existing tags in the OSM file. And I added the OSM info node. I also added the ability to disable the creation of walls. And I slightly reworked the test scene.
The plugin is here:

3DTutorial · Post by **3DTutorial** » 27 Feb 2025, 19:03

Wow! Very impressive mr_alca. Thanks for all your efforts, it's really wonderful to see !

Cheers,

Joe

mr_alca · Post by **mr_alca** » 01 Mar 2025, 12:29

Thank you. I thought the previous release was the final one, but then I wanted to play with the heights of the buildings. It will be possible to change the height of buildings using weightmap or just randomly. I also found some minor inaccuracies in the Info node. They will also need to be fixed.

mr_alca · Post by **mr_alca** » 04 Mar 2025, 12:01

Minor improvements and changes. I adjusted the Info node a bit. And he added the ability to change the heights of buildings depending on the height map, either randomly or both. You can also now set the position of buildings by y position.
I also designed several compounds, they are in the archive, so that they appear together with other nodes, the OSM_to_Si_compounds folder must be placed in a similar directory:
c:\Users\Alex\Autodesk\Softimage_2015_R2-SP2\Data\Compounds\
Link to plugin here:

3DTutorial · Post by **3DTutorial** » 04 Mar 2025, 12:29

Very nice ! Thanks for the update.

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