The nearfuturesolar from post-kerbin-mining-corporation

Complete CFG Localization

Finish localizing all the config files in preparation for 1.3

SOL-A Expanding Curved Solar Array energy flow when retracted

The SOL-A Expanding Curved Solar Array still produces energy flow after retraction.

While the constant NRE spam is gone, THANK YOU!. There are still buttons present when right clicking on the part. Both 'Toggle' and 'Deploy'. Both of which do absolutely nothing, but when one clicks on it, there is a single NRE message. Perhaps this can be cleaned up, so that the buttons don't appear at all if there is no animation, or if the 'Toggle' is meant to be a bus shut off, that it does so. Just unsure of the intentions.

OKEB-15 Copernicus - point of exposure calc position

As mentioned on the forum, the point of exposure calculation is not extended:

The bottom panel is blocked by the battery, although it is actually not shadowed by it
(but the point where the panels were folded probably is).

KSP Forum: https://forum.kerbalspaceprogram.com/index.php?/topic/155465-18x-near-future-technologies-nfex-updates-feb-6th/&do=findComment&comment=3742606

Concept lists

K7K1x4 Concentrating Photovoltaic Panels

Redo to Dragon 1 style.

K5K 1x3 Concentrating Photovoltaic Panels

Orion, mid generation style. Some small tweaks needed

K55-XL Megalador Solar Array

Needs to either be an advanced panel or a blanket. If advanced:

K90-ML Trio Solar Array

Long boom/canister style, pull a bit from Nautilus-X and Copernicus for the mechanisms

https://www.nasaspaceflight.com/wp-content/uploads/2013/10/Z23.jpg

K30-SL Solo Solar Array

1/3 size Trio. Basically the one on Copernicus

T14 1x5 Concentrating Photovoltaic Panels

These are the Dawn panels

T22 1x5 Concentrating Photovoltiac Panels

This looks like the GOES-R panel:

YF-8 Circular Solar Array

Old Orion UltraFlex

K12K 1x4 High-Efficiency Photovoltaic Panels

Juno panels, and I will have to make up the mechanism for rotation

https://inhabitat.com/wp-content/blogs.dir/1/files/2011/08/Juno-Spacecraft-Jupiter-Mission-5.jpg
0

OKEB-125 Blanket Photovoltaic Array

That round thing from the asteroid tug

OKEB-500 Blanket Photovoltaic Array

That crazy thing

OKEB-75 Blanket Photovoltaic Array

Old BFR concept

OKEB-250 Blanket Photovoltaic Array

New BFR concept. Should be basically 4x OKEB-75

https://cdn.teslarati.com/wp-content/uploads/2017/09/cargo-BFR-and-fairing-SpaceX.jpg

OKEB-100 Blanket Photovoltaic Array

Redo to initial DST concepts

https://i.ytimg.com/vi/VpY9gGWRD0s/maxresdefault.jpg

https://media.springernature.com/original/springer-static/image/art%3A10.1007%2Fs12567-018-0203-y/MediaObjects/12567_2018_203_Fig2_HTML.gif

OKEB-100 Blanket Solar Array

Based off ITS solar panels

SOL-A Expanding Panel Toggle Buttons

On this specific panel there are two buttons, both 'Deploy' which changes to 'Retract' when it is deployed'. And a 'Toggle' button which stays the same, and does both actions. Is that really necessary, unless the Toggle is going to be made into some sort of 'shut off' where it would disconnect that source?

Round panels don't seem to be accurately modelled

I was testing the sun exposure/incident angle of round panels and came upon something strange (it's possible to following observation is limited by KSP and it's not your fault, nevertheless it's good to record).

The test setup I used to take these measurements:

The measurements for a round panel (NV-3) and a flat panel (PX-Stat 1x2), the other columns are estimates for flat panel (Cos(A)) and estimates for round panels. Here is the raw data:

Angle	NIV-3 (round)	PX-Stat 1x2 (flat)	Cos(a)	Theoretical 90° round	Theoretical 80° round	Theoretical 40° Round
0	0.95	1	1	0.8983655217	0.9191635096	0.9794102871
10	0.94	0.98	0.984807753	0.8847173308	0.9051993505	0.9645308441
20	0.89	0.94	0.9396926208	0.8441874515	0.8637311673	0.9203446195
30	0.82	0.86	0.8660254038	0.7780073637	0.7960189496	0.8481941894
40	0.72	0.76	0.7660444431	0.6881879158	0.7041200989	0.750271808
50	0.6	0.63	0.6427876097	0.5803120933	0.5908269153	0.6295527974
60	0.46	0.49	0.5	0.4719716087	0.4712381839	0.4897051436
70	0.33	0.33	0.3420201433	0.3684406425	0.3588551084	0.3349780468
80	0.23	0.16	0.1736481777	0.2728649306	0.257109921	0.1924912522
90	0.12	0	0	0.1881484927	0.1691115598	0.08723867911
100	0.06	0	0	0.1168653949	0.09749885254	0.02241844065
110	0.01	0	0	0.06118153801	0.04448267314	6.12E-19
120	0	0	0	0.02278884786	0.0116564291	0
130	0	0	0	0.00285386692	6.12E-19	0
140	0	0	0	0	0	0
150	0	0	0	0	0	0

The theoretical estimates for round panels where created using this python program that divides round panels up into 100 facets and computes their sum exposure:

import math

def flatPanelExposure(exposureAngle):
    rad = math.pi*2.0*exposureAngle/360.0
    return max(0.0, math.cos(rad))

def roundPanelExposure(exposureAngle, circularCoverage):
    count = 0.0
    amount = 0.0
    for facetNum in range(0,100):
        facetNum = float(facetNum)
        facetScalar = facetNum/99.0
        facetAngle = circularCoverage*facetScalar-circularCoverage*0.5
        angle = exposureAngle + facetAngle
        amount += flatPanelExposure(angle)
        count += 1.0
    return amount/count

for exposureAngle in range(0,160,10):
    exposureAngle = float(exposureAngle)
    #print exposureAngle, flatPanelExposure(exposureAngle+45)
    #print exposureAngle, roundPanelExposure(exposureAngle, 90.0)
    print roundPanelExposure(exposureAngle, 40.0)

Plotting for a flat panel we see that the flat panel matches estimated performance quite closely:

Judging the NV-3 panel from the looks/curvature it seems to be designed to cover a 90° arc. However I observed that visually (when rotated) it seems to be more like 80°, and from observation it already cuts out energy flow for a coverage that'd correspond to 40°.

Comparing the round panel to cos(a) and for the 90° estimate, we can see that it matches neither (it should really match the 90° estimate).

Comparing the round panel to 90°, 80° and 40° we can see that its actual performance is more closely aligned with the 40° estimate (maybe a bit above that, like 45°).

It might be a bit expensive to estimate a round panel using a hundred facets, so I tested which facet count still provides a fairly good estimate (the program is slightly modified for that to account correctly for the half facets at the start and end and have a parameter for facet count, here's the updated estimation function):

def roundPanelExposure(exposureAngle, circularCoverage, facetCount):
    count = 0.0
    amount = 0.0
    for facetNum in range(0,facetCount+1):
        if facetNum == 0 or facetNum == facetCount:
            weight = 0.5
        else:
            weight = 1.0
        facetNum = float(facetNum)
        facetScalar = facetNum/facetCount
        facetAngle = circularCoverage*facetScalar-circularCoverage*0.5
        angle = exposureAngle + facetAngle
        amount += flatPanelExposure(angle)*weight
        count += weight
    return amount/count

And here is the result:

Down to 8 facets things look fairly good, but at 4 facets it gets kinda bad.

It'd also be possible to approximate with a trigonometric function, use calculus (I'm very bad at calculus), or use curve fitting (cool online tool for that http://mycurvefit.com/) of a polynominal (quadric or quintic or some spline/smoothstep). Although it's doubtful the maths to evaluate those curve fits are any much cheaper than taking 8 facets for sampling.

Should "Kerb Kastra" be "Kerb Kastria Inc."?

Is the "manufacturer = Kerb Kastra" seen here a misspelling of the manufacturer "Kerb Kastria Inc." seen in other NearFuture packs?

SOL-B Expanding Curved Solar Array

New 3.75m -> 10m expanding curved array.

Complete Plugin Localization

Localize relevant parts of the plugin

New panel concepts

Worldview-3 https://dg-cms-uploads-production.s3.amazonaws.com/uploads/page_field/image_value/311/worldview-3.png
Worldview-4 https://www.geoimage.com.au/images/Galleries/WorldView-4/WorldView%204%20satellite.jpg
RCM http://www.spaceq.ca/wp-content/uploads/2018/04/RADARSAT-Constellation-Mission-RCM-Space-Segment990.jpg
IKONOS2 https://directory.eoportal.org/documents/163813/1960359/Ikonos_AutoF.jpeg
AQUA https://upload.wikimedia.org/wikipedia/commons/7/7b/Aqua_spacecraft_model.png
0.625, 1.25m, 1.875m circular panels

localization broken

Hi,
thx for the superb plugin!
I realized that after last changes the localization is broken due to rename of parts. The en-us.cfg was updated, the other files not.
can you fix it?
thx again!

static-truss-3 isn't patched to CTT

I believe that in the
NearFutureSolar/Patches/NFSolarCommunityTechTree.cfg

there should also be the line

@part[nfs-panel-static-truss-3]:NEEDS[CommunityTechTree]
{
@TechRequired = advPVMaterials
}

otherwise the static-truss-3 would stay at the electrics node.

Unless this is intentional?

Peace.

Revise all panel shaders

Examine and revise all solar panel shaders to make them look generally better

NIV-10 and NIV-30 no EC

Thanks for the great work on the update. Seems I've found a bug with the 2 non-deploying curved solar panels. They don't generate EC no matter how much sun shines on them! Discovered this in my modded career, double checked on a vanilla install. All other panels working as expected.

OKEB-75 Blanket Photovoltaic Array missing CTT config

SpaceX ITS-style solar array does not have an entry in the CTT patch. Probably belongs in advPVMaterials with the rest of the blanket arrays.

Deprecated parts replacements

Hi, I have a savefile that was using NFS version 1.0.5 and upon upgrading, it breaks most ships that are already in orbit due to some parts that are now deprecated. Is there an easy way to replace them with up-to-date parts on the latest version?

YF-7 Circular Blanket Solar Array

NASA asteroid tug panels

CKAN v1.2.3 - HTTP Response 404

Currently getting a 404 when trying to download the latest version (v1.2.3) via CKAN or directly from spacedock.info (https://spacedock.info/mod/559/Near%20Future%20Solar)

KR-XL-SE Terador Solar Array

ISS-style dual-tracked solar panels

NearFutureSolar and tweakscale

Is there a way to make NearFutureSolar compatible with tweakscale?

No Energy Flow/Sun Exposure when status aligned to the sun

Adjust solar panel transforms for proper up axis in VAB

The following panels are 'upside down" in the VAB when extended. Resolve this:

K5K 1x3 Concentrating Photovoltaic Panels
K5R 1x3 Concentrating Photovoltaic Panels
K7K 1x4 Concentrating Photovoltaic Panels
K7R 1x4 Concentrating Photovoltaic Panels
T22 1x5 Concentrating Photovoltiac Panels
K55-XL Megalador Solar Array

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