[NSRCA-discussion] Correct Geometry on N

[Mark Atwood]

I don¹t have the correct tools to draw this at the moment, but here¹s a
quick mock up with 2 different radii shown.




On 7/8/08 11:39 AM, "Mark Atwood" <atwoodm at paragon-inc.com> wrote:

> Hmmmm...  I hate to say it, but I think your geometry is wrong :(.
> 
> The size of the radii won¹t matter (provided they¹re all the same and smaller
> than the overall shape)...it has to be square to get 45deg lines.  You¹re
> simply taking a square and bisecting it with crossing lines that are at
> 45degree angles.  Expanding the radii from 0 simply makes each straight
> segment smaller, it doesn¹t change the drawing at all.
> 
> I can draw the hourglass box and overlay a bunch of different radii over it
> without changing the overall shape.
> 
> -M
> 
> 
> On 7/8/08 11:23 AM, "Bob Richards" <bob at toprudder.com> wrote:
> 
>> Unless my geometry is wrong (and I was really good at geometry in schooll)
>> then the only way it can be a square is if the corner radii are = 0.  It
>> should always be a little wider than it is tall. If not, then the diagonals
>> are not 45 degree lines.  Draw it on paper, or with CAD, and you will see.
>> 
>> Bob R
>> 
>> --- On Tue, 7/8/08, Chad Northeast <chadnortheast at shaw.ca> wrote:
>>> Its definitely a square,
>>> 
>>> Basically you have two 45x45 right triangles with the right angle vertex's
>>> (the 90's) intersecting.
>>> 
>>> In that case the vertical lines are twice the length of each triangles
>>> horizontal length (when oriented as an hourglass), therefore two of them
>>> equal the height of the verticals....and a square you have!
>>> 
>>> The 45 lines end up being about 1.4 times longer than the vertical lines, if
>>> you fly the correct geometry.
>>> 
>>> Chad
>> 
>> 
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> 
> 
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