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From: mcgurrin@MWUNIX.MITRE.ORG
Newsgroups: comp.sys.apple2
Subject: Re: Hypercard and Hyperstudio
Message-ID: <9103011445.AA01361@mwunix.mitre.org>
Date: 1 Mar 91 14:44:56 GMT
References: <10934@aggie.ucdavis.edu>
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Paul, I posted the original question, and got about 3 responses.  All recommended
HyperCard GS over HyperStudio, although one said get both!  I have no
personal knowledge, but summarizing from responses I've gotten, there is not,
and it is unlikely there ever will be a conversion utility from Hyperstudio
to Hypercard.  From my own reading, Hypercard does not have ANY sound support,
but the language can be extended, and sound extensions are being developed 
by others than Apple.  I gather that Hypercard is capable of much more, but
that you can get into it at different levels, so you don't need to learn all
the complexities to do simpler things that can be done with Hyperstudio.
Which one is actually easier for simple applications, maybe someone else could
answer.

FYI, I don't know your application, but the US Census Bureau has map data
down to individual blocks for major metropolitan areas on CD-ROM.  The data
consists of multiple ASCII files with various files containing various 
attributes of features (roads, rivers, etc.).  It's vectors with lat/lon
data defining endpoints, plus names, etc.  The files are called TIGER
files, and there's typically one CD per state.  Pretty much any GIS system
can read the data and generate maps.  Many applications developers start
with the TIGER data and add value.