Subject:
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Re: 6-stud road baseplates with dark grey road pattern parts
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Wed, 7 Apr 2004 20:38:15 GMT
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Viewed:
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2147 times
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In lugnet.cad.dat.parts, Larry Pieniazek wrote:
> In lugnet.cad.dat.parts, William Howard wrote:
> > location. All the parts were created via MS-Excel so if anyone wants to
> > "improve" them, especially the curved sections, email me and I'll send the
> > spreadsheet with all the point calculations.
>
> Is this generally applicable to doing other printed baseplates? Can you share
> that spread publicly, perhaps on a website somewhere? It seems a nifty thing.
Its specific to these road plates really. I started with the curved one. The
outer dashed line has 20 dashes which gives rise to 41 segments. The central
white line only has 21 segments as does the inner dashed line. With 7 quarter
rings to work out quads for the radii and angles got thrown into the spread
sheet. This meant I could "tweek" the radii and angles (via control cells) to
allow for the awful printing variations without driving myself nuts! (I think
there are around 175 quads and triangles on the curved road surface, and then
there are all the edging lines to make the wire frame view work!)
The straight and junction plates just pick up the radii and make sure that all
the patterns line up where baseplates meet.
I'm not particularly "proud" of the spreadsheet in that it is a mess in terms of
layout, but it does mean if you want to change the angle of a dash on the curve
or the length of one on the straights every other quad either shuffles out of
the way or into the resultant gap as appropriate.
William
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