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Using AU units in Directional Scanner
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elitatwo
Zansha Expansion
#21 - 2013-11-16 04:35:38 UTC
Bayta Charante wrote:
That, DS should accept AU as unit when entering a max distance. I know that 1AU =~ 150 000 000 KM, buy having to make the conversion all the time is pointless.


Just because I have a moment, I will repeat myself just for.

It has been asked before, use search!

The d-scanner has a maximum programming limit of 2^31 -1, which is 2 (two) gigabytes - 1, which is 2.147.483.647
(km <- HINT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!),

which is a signed integer (int32) value.

Zee maximum unsigned integer (int32) value is 4 (four) gigabytes -1, which is 2^32-1, which is 4.294.967.295.

If u want to haz a diiferent 'value', u needz another datetype for it and then u cannotz calculate withz it anymore.

If u wantz to 'change' zee numers of your d-scanner u need a datatype which fiiddles with numbers, which are int, float and double.

For reasons I won't ever explain to anyone, you no wantz float or double.


THE END

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Sarah Stallman
Pen2 Logistics
#22 - 2013-11-16 05:09:48 UTC
How is "1 au" automatically more convenient than "150 Gm"?, especially when quickly looking from your overview (AU) to D-Scan (meters) and back.
BlakPhoenix
Load Up Blast Everything
DARKNESS.
#23 - 2013-11-16 05:24:51 UTC
Sarah Stallman wrote:
No, the SI is not earth based. While the specific value of the units is quite arbitrary, they are defined from physical phenomena that can be reproduced anywhere.



While it is reproducible anywhere, it is still based around the original size of the metre which is derived from 1⁄10,000,000 part of the quarter of a meridian, measurement by Delambre and Mechain in 1795.

The modern measurement of light through a vacuum means nothing if you take away the original meaning (you could choose any time frame for light and measure that). I also believe that the while the metric system scales well it really doesn't feel very "spacey" because we associate it with earth based measurements. It would work fine, though, even if those large measurements don't mean much to most of the player base.
Bayta Charante
#24 - 2013-11-16 19:26:11 UTC  |  Edited by: Bayta Charante
elitatwo wrote:

Zee maximum unsigned integer (int32) value is 4 (four) gigabytes -1, which is 2^32-1, which is 4.294.967.295.

If u want to haz a diiferent 'value', u needz another datetype for it and then u cannotz calculate withz it anymore.

If u wantz to 'change' zee numers of your d-scanner u need a datatype which fiiddles with numbers, which are int, float and double.

For reasons I won't ever explain to anyone, you no wantz float or double.


THE END


If the game UI was programmed in C I would say that you are right, but it's not (AFAIK). I'm not saying that we should change the "maximum range" just that the "entry box" could accept any other unit and then convert it to your beloved* uint32 datatype. It's not something impossible to do.



*: you seem to know a lot about it

PS: thanks by the way. After 8 years of electronic engineering I needed someone with an strange accent to explain me what an overflow is.

0666: read and write for everyone!
Bayta Charante
#25 - 2013-11-16 19:38:34 UTC
BlakPhoenix wrote:

While it is reproducible anywhere, it is still based around the original size of the metre which is derived from 1⁄10,000,000 part of the quarter of a meridian, measurement by Delambre and Mechain in 1795.

The modern measurement of light through a vacuum means nothing if you take away the original meaning (you could choose any time frame for light and measure that). I also believe that the while the metric system scales well it really doesn't feel very "spacey" because we associate it with earth based measurements. It would work fine, though, even if those large measurements don't mean much to most of the player base.


http://en.wikipedia.org/wiki/International_System_of_Units

Only the Kg is earth based. But maybe not for so much: http://www.youtube.com/watch?v=ZMByI4s-D-Y

0666: read and write for everyone!
Sarah Stallman
Pen2 Logistics
#26 - 2013-11-16 22:48:58 UTC
The actual values assigned to them are Earth based, but they have since been redefined to be based on physical phenomena. 1 mL of water weights 1 gram at Earth's surface, for example, but the subsequent discovery that gravity varies depending on your altitude and latitude made such a connection obsolete.
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