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"Greg M. Johnson" <gregj;-)565### [at] aol com> wrote in message
news:42252bd8$1@news.povray.org...
> Hello, I've been thinking of writing my own city macro.
Did you see my 'nice view' WIP? I pretty extensivly modified Chris
Colefax's city, and am trying to add more detail now.
> I'm wondering which means of adding detail would render faster:
I don't know but I would like to know as well. I'm also interested in
adding 'interior' details so that maybe we could see into the closer windows
a little bit. In my case, that may preclude mesh2, guess I'd have to think
about it.
One thing I ran into is that the Colefax city buidings are 'narrow' meaning
if you look at the height of a 'floor' they are pretty small square footage
wise. This caused me major consternation while I was doing the last Anim
IRTC; when one of my test renders got to 'ground floor' I suddenly realized
the buildings were all about 3x normal 'height'. Anyway, my fix for this
was to modify the macro so that the same type of building 'only' would be
generated on one city block, and that there was 0 gap between buildings. You
can see this in the WIP I posted, I used 3x3 grids, and I plan on extending
that some.
Thinking about this process, I think it could be used to add a lot more
detail. If you had a 3x3 or 4x4 'single building' made of primitives, the
corners could look different than the 'middle'. You could stagger the
various sides so that you could do some interesting skylines. For example,
a quick google search for 'skyline' shows that big buildings typically have
repeating patters but taper some going up:
http://timmerca.com/data/1000/articles/1400/1695-original.jpg
Look at the 5th building from the left, for example, it could be done with a
8x8 grid with alternating roof heights stepping up.
This isn't as usefull for me, my concept of having a dome of air is that the
Martians will build RIGHT UP to the edge of the dome, with fresh air and
normal temperatures being so scarce, but it could be very usefull for
Manahatten type cities, or with some extensions usefull fo rme.
I've got my macro's all ripped up at the moment, I'm adding a 'tram slot'
for the Mars city transportation and I'm getting some weird results, I have
to debug it some. I can post them when I get it working again if you'd
like, maybe we can fiddle with as a group process, if Chris is OK with that.
== John ==
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