Senator
Rigid Spline
Does anyone know how to open or view a "rigid spline" file (programs to use). It sounds like something to do with autoCAD.
I was looking at this path: C:\Program Files (x86)\Steam\SteamApps\common\napoleon total war\data\campaign_maps\nap_europe\display\Borders
In it I see there are rigid spline files for each of the regions. Some regions have 2 rigid splines files (IE: england).
So does this mean that we need to create a rigid spline for each region that we create (thus my initial question)?
Last edited by Hazbones; March 13, 2010 at 02:19 PM.
Primicerius
Re: Rigid Spline
Can't be opened (yet).
Senator
Re: Rigid Spline
Can't Spline files can be opened in Cinema 4D, Py4D or other comparable programs? I don't have these programs so I cannot test.
Domesticus
Re: Rigid Spline
IIUC, a spline is simply a curve, so I imagine any sort of modeling or graphics program can deal with them. What we need to do first, is to see if we can figure out how the points on the curve are represented in the file. If you're really serious about trying to figure this stuff out, let me know, and I'll try to get you more detailed info. Thanks for taking a look at it.Originally Posted by Hazbones
Re: Rigid Spline
In ETW the rigid_splines consisted of a header with the last 4 bytes (ulong) of the header the number of entries, then for each entry 3 floats: x,y,z, respectively for east-west, height, north-south.
![Flash-[Bang!]'s Avatar](./customavatars/avatar70348_4.gif "Flash-[Bang!]'s Avatar"){kind=avatar}
Libertus
Re: Rigid Spline
I tried to open it with WordPad and I opened it and got this:
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I really dont know what this is and I'm a simple amateur so I could be wrong and I am 99,99% sure of that.
Fierce When Cornered
Re: Rigid Spline
What you see there is wordpad opening a file it does not know how to open so it replaces all the unknowns with arbitary characters giving you the mess you see there.
Libertus
Re: Rigid Spline
Ok, was kind of expecting that xD.
Senator
Re: Rigid Spline
uanime5 found some region coordinates in the POI esf HERE. I do not have a 3D program to open the spline files but is it possible for someone to check the coordinates uanime5 found and see if they match any of the region border splines? If not there has to be something that links the coordinates to the region border files.
Harbinger of saliva
Re: Rigid Spline
A spline in one dimension is usually an interpolation of a polynomial of a certain order through a number of points. That is, a smooth line that goes through all the points. The splines in NTW aren't smooth, however, so I guess no interpolation is done.
Editing them is probably non-trivial because to properly edit borders you have to follow the landscape or the border will be above/below ground.
England has two borders: One to Scotland, one to Wales, so two splines.
No thing is everything. Every thing is nothing.
Fierce When Cornered
Re: Rigid Spline
Hate to drag this up again but there are some very definite patterns in the splines which they all share, take a look at the attatchment of the scotland spleen.
Last edited by The Hedge Knight; November 09, 2012 at 11:41 AM.
Harbinger of saliva
Re: Rigid Spline
The file format is simple, it's like just said a header, followed by the number of points, followed by sets of three floating point numbers that signify a point in space. Although now that you mention it, the height coordinate indeed always seems to be the same which means modifying the horizontal coordinates should be enough.
No thing is everything. Every thing is nothing.
Fierce When Cornered
Re: Rigid Spline
So could they in theory be edited as hex files just by changing the coordinates?
Last edited by The Hedge Knight; May 16, 2010 at 05:26 PM.
Harbinger of saliva
Re: Rigid Spline
I should think so but editing it without seeing what you do is like trying to draw a picture by saying "this pixel should be black, this pixel should be white" and only being able to check the result by running a program, i.e. it's a lot of annoying work. If you really want to do it I can probably whip you up a quick converter to a text file at least
No thing is everything. Every thing is nothing.
Fierce When Cornered
Re: Rigid Spline
It would be jolly interesting to try, i image ntw only accepts them on land though and would not like it if borders crossed making things more difficult.
As they are simply coordinates would it be possible simply to write a program that turned them into a bitmap or similar using black and white squares? If so one could then use the lookup map (which i presume is correct) as a background, bring all the splines into a single .psd file and arrange them carefully and use that as a guide to edit the files manually.
ALso it would appear that modding the heightmap is very simple.
http://www.twcenter.net/forums/showthread.php?t=358662
Last edited by The Hedge Knight; May 19, 2010 at 11:15 AM.
Harbinger of saliva
Re: Rigid Spline
Modding the height map has been simple since ETW.
Sorry, I think I can't provide anything more sophisticated right now. I've got enough things to eat my time and this is far from being a high priority thing for me.
To convert splines, install python 3.0, make a new folder, copy all splines you want to convert into it, extract the archive to the same folder, then run "convert_all_splines_to_text.bat". This will output a text file for each spline which you can edit however you wish.
You can add new points by adding lines and the numLines entry is just an FYI (not used when reconverting). To reconvert, simply rum "convert_all_text_to_splines.bat". This will overwrite any existing files so be careful. Then put them in the folder and check what happens.
See the Tools and Tutorials section for the current version.
Last edited by alpaca; May 24, 2010 at 05:27 AM.
No thing is everything. Every thing is nothing.
Fierce When Cornered
Re: Rigid Spline
Thanks Alpaca!
Ill give it a go!
Harbinger of saliva
Re: Rigid Spline
Well actually I already gave it a go and it works. It's just not very useful
By the way, I'd be careful with editing especially roads and rivers. Chances are it could screw up pathfinding (especially rivers).
No thing is everything. Every thing is nothing.
Fierce When Cornered
Re: Rigid Spline
Yes, and bridges i presume. I'll have a go at borders for now, scotland is my target...
Last edited by The Hedge Knight; May 22, 2010 at 09:47 AM.
Harbinger of saliva
Re: Rigid Spline
Bridges actually work a bit differently. There's a file defining them but I didn't really have a look at the file format.
No thing is everything. Every thing is nothing.
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