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Pixel Scaling question

Bossbrosish

Bossbrosish

He/Him
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How do we convert pixels to meters/feet? I used a website, but I noticed people seemed to do it differently. I tried looking all over the forum and wiki, but couldn't find anything.
 
First, you need something to scale things to. Let's use a door for example.

A typical door is 203cm

Let's say, using the line tool in a program like Krita, that the door is 233.2px long

You'd do 203 divided by 233.2 (length in cm/m/etc divided by pixel number)

So 1 pixel would be 0.8704974271012007cm

Here's an example
 
ShockingPsychic said:
First, you need something to scale things to. Let's use a door for example.

A typical door is 203cm

Let's say, using the line tool in a program like Krita, that the door is 233.2px long

You'd do 203 divided by 233.2 (length in cm/m/etc divided by pixel number)

So 1 pixel would be 0.8704974271012007cm

Here's an example
Click to expand...
I know you're not a calc member, but still think if you could check and see if I did the pixel scaling right like you mentioned?
https://vsbattles.fandom.com/wiki/User_blog:Bossbrosish/Shield_Hero_Manga_feats
 
For the first feat you need to convert the volume to cm^3 and then multiply by J/cc. And the result is not Tons tnt but joules.
 
Bossbrosish said:
Oh ok ok. I always assume the results are always in tons of TNT.
Click to expand...
No problem. I made a similar mistake in my first calculation.

I forgot to mention it in my previous message. You need to divide the result by the number of hit.

For the second feat, the depth you find is wrong and therefore the volume is also wrong. You have calculated it as if it is fully covered with wood up to the lower floor, but this is not the case on ships.

You should use the Standard Decking Board thickness for depth. Which is around 1inch. And there are big pieces of wood left over from the destruction, so use normal fragmentation instead of violent fragmentation.
 
ByArrow said:
No problem. I made a similar mistake in my first calculation.

I forgot to mention it in my previous message. You need to divide the result by the number of hit.

For the second feat, the depth you find is wrong and therefore the volume is also wrong. You have calculated it as if it is fully covered with wood up to the lower floor, but this is not the case on ships.

You should use the Standard Decking Board thickness for depth. Which is around 1inch. And there are big pieces of wood left over from the destruction, so use normal fragmentation instead of violent fragmentation.
Click to expand...
Oh ok ok. So, how and where would I apply the decking board depth in the calculation? (I'm still kinda new to this)
 
For the second feat, the formula you used is the volume of the cylinder and the hole does not look like a cylinder. So use the ellipsoid volume formula.
 
ByArrow said:
For the second feat, the formula you used is the volume of the cylinder and the hole does not look like a cylinder. So use the ellipsoid volume formula.
Click to expand...
Oh, what formula is that? Also, since I counted four holes, should I multiply the end result by 4 like I originally did, do the decking board depth instead, or something else instead?
 
Bossbrosish said:
Oh, what formula is that? Also, since I counted four holes, should I multiply the end result by 4 like I originally did, do the decking board depth instead, or something else instead?
Click to expand...
The formula is V = (4/3)πabc. You can also calculate the volume by entering the values into this calculator. And yes you have to multiply the result by 4.
 
ByArrow said:
The formula is V = (4/3)πabc. You can also calculate the volume by entering the values into this calculator. And yes you have to multiply the result by 4.
Click to expand...
Oh, should I redo the pixel measurements for the formula or is using what I have right now ok? Asking since the calculator shows A and B meeting at one point with C and the fact I measured the hole from both ends.
 
Bossbrosish said:
Oh, should I redo the pixel measurements for the formula or is using what I have right now ok? Asking since the calculator shows A and B meeting at one point with C and the fact I measured the hole from both ends.
Click to expand...
You don't need to redo the pixel measurements. Just use what you have now.

For A, use the half of the diameter you calculated, for B, the half of the length you calculated, for C. the half of the thickness of the board.
 
Last edited:
ByArrow said:
You don't need to redo the pixel measurements. Just use what you have now.

For A, use the half of the diameter you calculated, for B, the half of the length you calculated, for C. the half of the thickness of the board.
Click to expand...
Ok, I updated the calculations using your comments. I hope I did them all correctly. Though I do have a question I hope you can answer. can we use pixel scaling to find the height of a character to find their AP? I want to find the height of the Spirit Tortoise, but don't know how.

Also, how do we pixel-scale explosions like this?
 
Bossbrosish said:
Ok, I updated the calculations using your comments. I hope I did them all correctly. Though I do have a question I hope you can answer. can we use pixel scaling to find the height of a character to find their AP? I want to find the height of the Spirit Tortoise, but don't know how.
Click to expand...
Yes, we can. Likewise, use pixel scaling to calculate the size of the turtle and then use the methods on this page.
Bossbrosish said:
Also, how do we pixel-scale explosions like this?
Click to expand...
There doesn't seem to be anything that can be pixel scaled. Is the crater from the explosion shown? If so, we can calculate the power of the explosion from the crater.
 
ByArrow said:
Yes, we can. Likewise, use pixel scaling to calculate the size of the turtle and then use the methods on this page.

There doesn't seem to be anything that can be pixel scaled. Is the crater from the explosion shown? If so, we can calculate the power of the explosion from the crater.
Click to expand...
Sadly no, a crater is never shown, just the explosion.
ByArrow said:
Yes, we can. Likewise, use pixel scaling to calculate the size of the turtle and then use the methods on this page.
Click to expand...
Ok ok, Thanks!
 
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