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Bug #2790

Science transmission gives wrong values

Added by fibonatic over 10 years ago. Updated over 9 years ago.

Status:
Moot
Severity:
Normal
Assignee:
-
Category:
Gameplay
Target version:
-
Start date:
07/18/2014
% Done:

0%

Version:
0.24
Platform:
Win64
Expansion:
Language:
English (US)
Mod Related:
No
Votes:
Arrow u r green
Arrow d r red

Description

The science transmission gives wrong values, both in the text posts when it is completed and in predicted transmission percentage.

However this does not apply to all science in the same way (haven't tested all, but crew report can be transmitted 100% while EVA report only 81%).

In the first two images you can see that the predicted transmission value would be 1.2 science, while on completion it says 0.0 science added, but the actual amount added is (13.7-12.8) 0.9 science.

In the last two images you can see that the predicted transmission value would be 24.0 science, while on completion it says 1.5 science added, but the actual amount added is (83.3-63.8) 19.5 science.

screenshot63.jpg (411 KB) screenshot63.jpg Before transmitting temperature scan fibonatic, 07/18/2014 10:05 AM
screenshot65.jpg (406 KB) screenshot65.jpg After transmitting temperature scan fibonatic, 07/18/2014 10:05 AM
screenshot67.jpg (217 KB) screenshot67.jpg Before transmitting EVA report fibonatic, 07/18/2014 10:05 AM
screenshot68.jpg (200 KB) screenshot68.jpg After transmitting EVA report fibonatic, 07/18/2014 10:05 AM
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History

#1 Updated by hermes47 over 10 years ago

  • Status changed from New to Not a Bug
  • % Done changed from 0 to 100

Not a bug. You're running out of battery power while transmitting, and having to wait for the batteries to recharge means that the data sent already is converted to science, which diminishes how much science you get from the next lot of data that gets through. Try it with a few batteries attached.

#2 Updated by hermes47 over 10 years ago

  • Status changed from Not a Bug to New
  • % Done changed from 100 to 0

Sorry, reopening. Appears there may be an issue with the x64 Windows build (that I can't test).

#3 Updated by TriggerAu over 10 years ago

  • Status changed from New to Confirmed
  • % Done changed from 0 to 10

The pics don't really show it, but in looking through my logs I can see in x64 it appears to be chopping the transmissions and giving you less than it should for the later parts

#5 Updated by Kerolyov over 10 years ago

  • Subject changed from The science transmission gives wrong values to Science transmission gives wrong values

I can confirm this for EVA report transmission on 64 bit, crew report seems to work fine though. 32 bit KSP doesn't exhibit this issue.

EVA report transmits 100% (not battery issue as still have power after transmission), on screen states 0.3 transmitted even though report dialog suggested 5.6 science would be transmitted. If return to KSC and look in science archives then 4.55 science has arrived.

Repro steps:-

1. Start new career
2. Build Mk1 pod + antenna
3. Goto launchpad
4. EVA kerbal
5. Take EVA report and keep data
6. Re-enter pod
7. Transmit EVA report

#6 Updated by fibonatic over 10 years ago

This bug seemed to be caused by incorrect electricity calculations, since I do remember that I had enough charge when performing these tests. Another thing I also noticed, which is probably related but I initially did not bother to mention since it did not really affected game play, was that the torque of the command module (when right clicking on it) very rapidly changed status between "out of electrical charge" and working normally. So when transmitting the game probably also does this with the antennas, cutting the transmission up into lots of small transmissions.

#7 Updated by Kirk about 10 years ago

I have the same issue, or at least similar issues. On the new Windows x64 build, the science transmission doesn't seem to work very well or at all. The screen displays a "Received info, +0.0 science" message for every tick (for example 3.333% for a gravioli detector). For smaller amounts of science, no science is received at all. Perhaps rounding plays a role here as well.

I had more than enough ElectricCharge as well.

While googling I found this:

https://github.com/RemoteTechnologiesGroup/RemoteTech/issues/136

Not sure how related it is. It suggests an x64 build can have issues with sleeping, which mucks up time deltas.

#8 Updated by Squelch over 9 years ago

  • Status changed from Confirmed to Moot
  • % Done changed from 10 to 100

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