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#1
Claude

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Anyone
know how to take multiple points in Illy and apply pie charts? This
seems to me to be the biggest drawback i can find to making maps in
Illustrator (exc for the much discussed tendency to crash on big
projects). I am hoping it's just ignorance on my part but i checked
with the Avenza knowledgebase and they only have a tip on making pie's
one at a time...no thank you, i have several thousand points to
thematicize.
Platts, a div. of McGraw-Hill
www.maps.platts.com


#2
Martin Gamache

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You
need to apply pie charts to points? Are your pie charts individual
symbols or unique pie charts generated from data in the map?

I'm
not sure I understand the question? You could generate your pie charts
in Arcmap and export just those pie charts and align them to the rest
of your map...

#3
benbakelaar

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I
remember doing a project in my GIS class where we had to generate 9 pie
charts, one for each ward in Paterson, NJ to show foreign born vs.
native born population. I'm pretty sure we did them individually, in
Illustrator, so I can't help you there, but just my two cents, if you
are making 1000s of pie charts, make sure they aren't all on the same
map! :)

#4
Claude

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"Well
Martin, I use pies in either situation - points with data to turn into
pies and also regions with pies on the centroids. For most cases, i am
trying to bring points into Illy with Mapublisher (easy enough) and
then applying a pie chart to those points. Now, I am pretty new to Arc
and I am still not used to the fact that you can directly export to an
AI file. Thanks a lot, that did it for me.

And yes, benbakelaar, sometimes we will show hundreds if not thousands of pies on a map (here's an example...[url="http://"http://public.resdata.com/rdimaps/html/DetailTemp.asp?d=1&i=1539"]http://public.resdata.com/rdimaps/html/Det....asp?d=1&i=1539[/url])
Cheers,
Claude

ps-this forum rules. i think i will have to start putting cartotalk in the acknowledgements on my maps.

This post has been edited by Hans van der Maarel: Mar 23 2006, 03:46 PM "
Platts, a div. of McGraw-Hill
www.maps.platts.com


#5
Hans van der Maarel

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Claude,

I
could process them automatically for you (FME) and deliver them to you
as e.g. mid/mif or shapefiles. This works best if you want to create lots
of piecharts that are all tied in to a point or area feature. If you're
interested, please contact me privately so we can work out the details.

Hans van der Maarel - Cartotalk Editor
Red Geographics
Email: hans@redgeographics.com / Twitter: @redgeographics

#6
frax

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Claude,
was it really pie charts you wanted? On that link you sent, it looked
to me like it was just circles with area relative size, not displaying
any ratios/percentages...
Hugo Ahlenius
Nordpil - custom maps and GIS
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#7
Martin Gamache

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Claude,

I
think you work with Mapinfo as well right? You should be able to get
your pies out of there the same way by creating a PDF of just the pies
at the correct scale. Illustrator should be able to open the PDF.

mg










#8
benbakelaar

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"

Claude, 
was it really pie charts you wanted? On that link you sent, it looked 
to me like it was just circles with area relative size, not displaying 
any ratios/percentages...

http://


I
think the enlarged piece of the map in the ""larger view"" just happened
to show power plants with 100% one source of energy. So a 100% pie
chart will have one vertical line from top of circle to radius. The
part that looks like a split is just the label tie. "

#9
benbakelaar

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"

And 
yes, benbakelaar, sometimes we will show hundreds if not thousands of 
pies on a map (here's an 
example...http://public.resdata.com/rdimaps/html/DetailTemp.asp?d=1&i=1539)

http://


That
is the most complex map I have seen yet, in terms of representing a
national data set with breakdowns (pie charts)! Very very interesting.
I now clearly understand what you are trying to do. This makes me think
I really don't want to get into map production as a job, but rather
leave it as a hobby! "

#10
Martin Gamache

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"

This makes me think I really don't want to get into map production as a job

http://



Then what are you doing here? :D "

#11
benbakelaar

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"

Then what are you doing here? :D

http://


Dabbling! But not committing! :lol: "

#12
Hans van der Maarel

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I just edited the link in Claude's post up there, makes it a bit easier :D

And yes, that looks like a nice and complicated map :P
Hans van der Maarel - Cartotalk Editor
Red Geographics
Email: hans@redgeographics.com / Twitter: @redgeographics

#13
Claude

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The
image shown does primarily represent plants with one primary fuel but
there are a couple small ones in that image with multiple fuels...such
as Longview Fiber.
And yes, map production can be grueling
sometimes, but it's a hell of a lot better than working in a Nike
factory for $2.50 a day.


Platts, a div. of McGraw-Hill
www.maps.platts.com





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