Resizing parts along one dimension

[curiousepic]

How best to stretch a part along one axis/dimension for parts that don't use a model node? Do I need to add a model node?

If you want specifics, I want to give OPT's J- Experimental Cargo Bay a half meter or so of length to better accommodate 2.5m USI containers.

I tried searching for this but everything is about resizing in all dimensions with rescaleFactor, etc.

Edited May 30, 2015 by curiousepic

[Voidryder]

You use to be able to do this way back in the day. I know because I did it, but darn if I can remember how now. I'll take a dive through my archives and see if I can at least find an example. Damn biological HD. It spins a bit slower than it use to. Meanwhile maybe one of the vets out there recall this bit of cfg editing and can help right away.

http://forum.kerbalspaceprogram.com/threads/57690-rescaleFactor-and-the-MODEL-node

Here's how to do it back in 0.22. No idea if it works now. Maybe a Modder can say.

Edited May 30, 2015 by Voidryder
Answer found

[raidernick]

Voidryder He asked how to do it without using model nodes. That answer you found involves using model nodes. To do it without using model nodes, well you can't....so yeah just use scale = x,y,z in the model node to rescale on 1 axis.

[Voidryder]

Right you are Raidernick. My oops. More careful reading on my part next time. Thanks.

[Tiberion]

Well he said "for parts that don't use model nodes" which is most of them; any of them can be changed to use a model node though, and thus use the scale parater inside the node to change the mode. Its going to stretch the texture though.

[curiousepic]

Well he said "for parts that don't use model nodes" which is most of them; any of them can be changed to use a model node though, and thus use the scale parater inside the node to change the mode. Its going to stretch the texture though.

That's fine. How would I add a model node for an existing mod part?

EDIT: Trying this first: http://forum.kerbalspaceprogram.com/threads/62918-Change-PART-from-mesh-to-MODEL-form?p=860349&viewfull=1#post860349

Edited May 31, 2015 by curiousepic

[Tiberion]

yes that should do it, just need to get the right file path for the model of the cargo bay, starting from the first folder within GameData.

The default scale of 0.8 is no longer needed to, it was a bug workaround; scale will default to 1.0 properly now, so if you want to make it slightly longer it'll be:

MODEL
{
model = Squad/Parts/FuelTank/MK1Fuselage/model
scale = 1.0, 1.2, 1.0
}

You'll have to experiment what scale factor on the Y axis will get you that extra half-meter of length (depends on how long the original model is)

[curiousepic]

I tried the method linked above, found the model path, and commented out the mesh and the rescaleFactor. But the part is now just not being loaded by the game - not visible in VAB, not in the debug Config Database. Has the format changed since that post or something?

Edited May 31, 2015 by curiousepic

[Tiberion]

Nope, the path to the file is probably wrong, paste in your config file so we can see it.

[curiousepic]

PART
{

// --- general parameters ---
name = j_dropBay
module = Part
author = K.Yeon

// --- asset parameters ---
// mesh = j_dropbay.mu
scale = 1
rescaleFactor = 1

MODEL
{
	model = OPT/Parts/j_4m_dropBay/j_dropbay.mu
	scale = 1.0,1.2,1.0
}


// --- node definitions ---
node_stack_top      = 0.0,  2, 0, 0.0,   1.0, 0.0, 4
node_stack_top01    = 0.0, -2, 0, 0.0,   -1.0, 0.0, 2
node_stack_bottom   = 0.0, -2, 0, 0.0,   -1.0, 0.0, 4
node_stack_bottom01 = 0.0,  2, 0, 0.0,   1.0, 0.0, 2

// --- editor parameters ---
TechRequired = heavyAerodynamics
entryCost = 8000
cost = 700
category = Utility
subcategory = 0
title = J- Experimental Cargo Bay
manufacturer = OPT Aerospace Division
description = After a few individuals complained about the necessity of using boosters to remove rovers, OPT engineers designed this drop bay to allow you to drop your vehicles directly downwards.

// attachment rules: stack, srfAttach, allowStack, allowSrfAttach, allowCollision
attachRules = 1,0,1,1,1

// --- standard part parameters ---
mass = 1
maximum_drag = 0.1
minimum_drag = 0.1
angularDrag = 2
crashTolerance = 12
breakingForce = 500
breakingTorque = 600
fuelCrossFeed = True

maxTemp = 2800
dragModelType = default
bulkheadProfiles = j

MODULE
{
   name = ModuleAnimateGeneric
   animationName = Default Take
   startEventGUIName = Open Bay Doors
   endEventGUIName = Retract Bay Doors
   actionGUIName = Toggle Bay Doors
}

MODULE
{
	name = ModuleLiftingSurface

	deflectionLiftCoeff = 2.5
	dragAtMaxAoA = 1
	dragAtMinAoA = 0.2
	useInternalDragModel=False
}
MODULE
{
	name = ModuleCargoBay
	DeployModuleIndex = 0
	closedPosition = 0
	lookupRadius = 2

	nodeOuterForeID = top
	nodeOuterAftID = bottom
	nodeInnerForeID = top01
	nodeInnerAftID = bottom01
}
DRAG_CUBE 
{
	cube = A, 11.1875,0.4370629,0.87517, 11.1875,0.4370629,0.87517, 8.820808,0.8158172,0.4776478, 8.820808,0.8158172,0.4776478, 5.373057,0.3214514,2.091768, 5.373057,0.321452,2.091768, 0,0,0, 5.113532,4.000007,4.000006
	cube = B, 10.0625,0.4666571,0.87517, 10.0625,0.4666571,0.87517, 8.820808,0.8184709,0.510589, 8.820808,0.8184709,0.510589, 20.51997,0.2769492,2.091768, 20.51997,0.2769493,2.091768, 0,0,0, 5.113532,4.000007,4.000006
}

}

[raidernick]

don't put .mu after the model name, it uses that extension by default so right now the game is looking for j_dropbay.mu.mu which doesn't exist.

[curiousepic]

Ah - got it. After that I just needed to multiply the stack node positions and I'm good to go. Thanks folks!

[curiousepic]

A related question - if I want to create a new part that uses the model of a mod part that uses "mesh = model.mu", but not have my part.cfg in that mod's folder, how do I designate the mesh/model location? I tried "mesh = mod/path/model.mu" and mesh = mod/path/model", but in both cases the part doesn't appear in VAB. Does it have to become a model node in this case as well?

[Tiberion]

Yep, you have to use a MODEL {} node to load a model or texture from another location, the model = whatever is the legacy way of doing it, and only loads files named 'xyz' directly.