[Blindmath] graphics

[Haden Pike]

I have to agree.  This is something I can definitely work with.  I know 
my Professor isn't expecting an artistic masterpiece to be turned in 
(especially for me), so I think I'll be forgiven if my sizes are a bit 
off the mark.

Thanks all for the responses!
Haden

On 2/11/2012 9:33 PM, Ben Humphreys wrote:
> Joe,
>
> What a great answer.  Kudos!
>
> Ben
>
> At 08:15 PM 2/11/2012, Joseph Drenth wro
>> Hello Haden,
>>
>> If you don't have a specific monitor and resolution to use for 
>> measuring a
>> graphic, a general conversion factor in Windows programming is 96 
>> pixels per
>> inch. For instance, for the old CRT monitors that had a viewing area
>> measured diagonally as 13 and a third inches, this conversion ratio 
>> would
>> yield a resolution of 1024 by 768, which was a common resolution for a
>> monitor of that size.
>>
>> Using this standard display resolution, just multiply a pixel 
>> measurement by
>> the fraction with numerator 1 inch and the denominator 96 pixels. 
>> This means
>> that your example graphic of 100 by 150 pixels would be a little over an
>> inch by a little over an inch and a half.
>>
>> Best regards.
>>
>>
>> -----Original Message-----
>> From: blindmath-bounces at nfbnet.org 
>> [mailto:blindmath-bounces at nfbnet.org] On
>> Behalf Of Haden Pike
>> Sent: Saturday, February 11, 2012 3:48 PM
>> To: blindmath at nfbnet.org
>> Subject: [Blindmath] graphics
>>
>> Hi all,
>>
>> This might be off topic for this list, but figured I'd ask here in case
>> there's a mathematical formula for figuring out what I need.
>>
>> Anyway, as part of my intro to programming class, we are being asked 
>> to draw
>> graphics on the screen in order to learn about objects.  I already know
>> about them, but this class is required for Computer science majors, so I
>> still have to do the assignment.  My question is this.  Is there any 
>> way a
>> blind person can hope to get a since of what size something is, when
>> specified in pixels?  For example, if I gave a rectangle a width of 100
>> pixels and a height of 150 pixels, how could I determine what size the
>> rectangle will be on the screen.
>>
>> Thanks for any help,
>> Haden
>>
>>
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>> m
>>
>>
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>
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