Re: The Scale of Digital

2014-01-13 Thread Craig Weinberg


On Sunday, January 12, 2014 5:02:07 PM UTC-5, Liz R wrote:

 On 13 January 2014 02:35, Craig Weinberg whats...@gmail.com javascript:
  wrote:

 How large does a digital circle have to be before the circumference seems 
 like a straight line?

 That depends on who is viewing it and where from, surely? 


Exactly, but if math doesn't have a term for that, then it is outside of 
mathematics.
 

 Digital information has no scale or sense of relation. Code is code. Any 
 rendering of that code into a visual experience of lines and curves is a 
 question of graphic formatting and human optical interaction. With a 
 universe that assumes information as fundamental, the proximity-dependent 
 flatness or roundness of the Earth would have to be defined 
 programmatically. Otherwise, it is simply “the case” that a person is 
 standing on the round surface of the round Earth. Proximity is simply a 
 value with no inherent geometric relevance.

 When we resize a circle in Photoshop, for instance, the program is not 
 transforming a real shape, it is erasing the old digital circle and 
 creating a new, unrelated digital circle. Like a cartoon, the relation 
 between the before and after, between one frame and the “next” is within 
 our own interpretation, not within the information.

 I think what's it's doing is re-rendering the circle on a different scale.


I think that is our projection. I don't think that the computer re-members 
the old circle. You want pixels at certain coordinates, so it puts them 
there. You want the contents of a buffer dumped into screen RAM, then it 
does it.
 

 The pixels that are set as a result are different, but the underlying 
 circle data is either unchanged, and a transformation matrix is changed, or 
 the circle data itself is transformed (the radius is changed, but the 
 centre remains unchanged).


I don't think that data has any concept of circularity or change. There are 
states and recordings of states which can be compared, but I think all of 
the transformation and formation that we project on computers disappears 
when we turn off the video screen or speakers, just as the conversation 
that a ventriloquist has with a dummy ends for the dummy, before it even 
begins.
 


 The real (underlying) circle is an abstraction stored as - I would guess - 
 a centre and radius, plus no doubt colour, style and so on.


I would say instead that reality is not the circle, the circle is always a 
figure which represents circularity. Reality is what is actually presented 
in addition to abstract patterns such as circles. Reality is concrete 
aesthetic phenomena.
 


 Didn't Plato say something about the world being an imperfect rendering? 
 :-)


Yes, but he may have had it upside down. Perfection is an imperfect 
rendering of the world.

 

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The Scale of Digital

2014-01-12 Thread Craig Weinberg


How large does a digital circle have to be before the circumference seems 
like a straight line?

Digital information has no scale or sense of relation. Code is code. Any 
rendering of that code into a visual experience of lines and curves is a 
question of graphic formatting and human optical interaction. With a 
universe that assumes information as fundamental, the proximity-dependent 
flatness or roundness of the Earth would have to be defined 
programmatically. Otherwise, it is simply “the case” that a person is 
standing on the round surface of the round Earth. Proximity is simply a 
value with no inherent geometric relevance.

When we resize a circle in Photoshop, for instance, the program is not 
transforming a real shape, it is erasing the old digital circle and 
creating a new, unrelated digital circle. Like a cartoon, the relation 
between the before and after, between one frame and the “next” is within 
our own interpretation, not within the information.

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Re: The Scale of Digital

2014-01-12 Thread Bruno Marchal


On 12 Jan 2014, at 14:35, Craig Weinberg wrote:

How large does a digital circle have to be before the circumference  
seems like a straight line?


Digital information has no scale or sense of relation. Code is code.  
Any rendering of that code into a visual experience of lines and  
curves is a question of graphic formatting and human optical  
interaction. With a universe that assumes information as  
fundamental, the proximity-dependent flatness or roundness of the  
Earth would have to be defined programmatically. Otherwise, it is  
simply “the case” that a person is standing on the round surface of  
the round Earth. Proximity is simply a value with no inherent  
geometric relevance.


When we resize a circle in Photoshop, for instance, the program is  
not transforming a real shape, it is erasing the old digital circle  
and creating a new, unrelated digital circle. Like a cartoon, the  
relation between the before and after, between one frame and the  
“next” is within our own interpretation, not within the information.




We can't erase a circle in a cartoon.

Bruno




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http://iridia.ulb.ac.be/~marchal/



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Re: The Scale of Digital

2014-01-12 Thread Craig Weinberg
On Sunday, January 12, 2014 10:45:13 AM UTC-5, Bruno Marchal wrote:


 On 12 Jan 2014, at 14:35, Craig Weinberg wrote:

 How large does a digital circle have to be before the circumference seems 
 like a straight line?

 Digital information has no scale or sense of relation. Code is code. Any 
 rendering of that code into a visual experience of lines and curves is a 
 question of graphic formatting and human optical interaction. With a 
 universe that assumes information as fundamental, the proximity-dependent 
 flatness or roundness of the Earth would have to be defined 
 programmatically. Otherwise, it is simply “the case” that a person is 
 standing on the round surface of the round Earth. Proximity is simply a 
 value with no inherent geometric relevance.

 When we resize a circle in Photoshop, for instance, the program is not 
 transforming a real shape, it is erasing the old digital circle and 
 creating a new, unrelated digital circle. Like a cartoon, the relation 
 between the before and after, between one frame and the “next” is within 
 our own interpretation, not within the information.


 We can't erase a circle in a cartoon. 


Why not?

 


 Bruno



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Re: The Scale of Digital

2014-01-12 Thread LizR
On 13 January 2014 02:35, Craig Weinberg whatsons...@gmail.com wrote:

 How large does a digital circle have to be before the circumference seems
 like a straight line?

That depends on who is viewing it and where from, surely?

 Digital information has no scale or sense of relation. Code is code. Any
 rendering of that code into a visual experience of lines and curves is a
 question of graphic formatting and human optical interaction. With a
 universe that assumes information as fundamental, the proximity-dependent
 flatness or roundness of the Earth would have to be defined
 programmatically. Otherwise, it is simply “the case” that a person is
 standing on the round surface of the round Earth. Proximity is simply a
 value with no inherent geometric relevance.

 When we resize a circle in Photoshop, for instance, the program is not
 transforming a real shape, it is erasing the old digital circle and
 creating a new, unrelated digital circle. Like a cartoon, the relation
 between the before and after, between one frame and the “next” is within
 our own interpretation, not within the information.

I think what's it's doing is re-rendering the circle on a different scale.
The pixels that are set as a result are different, but the underlying
circle data is either unchanged, and a transformation matrix is changed, or
the circle data itself is transformed (the radius is changed, but the
centre remains unchanged).

The real (underlying) circle is an abstraction stored as - I would guess -
a centre and radius, plus no doubt colour, style and so on.

Didn't Plato say something about the world being an imperfect rendering? :-)

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