From what (very) little I have worked with the external(s) I have made for Rev, it seems that the externals API is not all that difficult to work with, but I certainly agree that the documentation stands to be improved, particularly in that some tutorials could be of great benefit. Although, I still have a rather serious problem with one of my externals which seems to be a bug in Rev, but which I can't completely verify because I can't figure out the docs stack that comes with the SDK...

On Nov 12, 2004, at 1:01, MisterX wrote:


.c files contain your code
.h files contain the headers (macros, defines, prototypes to your functions)
although H files are optional, they separate the code from the
pre-assignments.


There's a lot of good C beginning tutorials out there. Shouldn't be hard to
find. Learning C however is a medium hard task though!


The externals I though were pretty clear but there is a lot of mambo jambo
code in there to glue the external to the external API. And that makes it
quite confusing.


However the code contains almost all the different kinds of examples you
might want which is very nice.


If I remember correctly, most old hc books contain a how to for externals.
Danny Goodman's Complete HC handbook has such a chapter.


Unfortunately, I don't really need externals anymore... I haven't
experimeted much with them yet. I have a project for some neural nets though
where RR is really slow...


X

-----Original Message-----
From: Derek Bump [mailto:[EMAIL PROTECTED]
Sent: Friday, November 12, 2004 00:19
To: [EMAIL PROTECTED]; How to use Revolution
Subject: Re: Convolve in Externals SDK

On windows? It compiled with Visual C++ 6 (I think it was 6...)...

Quite a piece of work too! ;)

Yes, on Windows. I used the Bloodshed DevC++ program to try to compile it. Evertime I thought I got close to figuring out why it wasn't working, I was given a whole new set of unrecogonizable errors.

Also, I do have to comment that the SDK is very confusing and
misleading.  The tutorials were incomplete and did not answer
some very basic questions that a newbie might have.  For
example, the tutorial explains that 2 files will be created
"external.c" and "external.h", but does not continue to
explain which piece of code goes where.  Experience
developers may laugh at that statement, but most developer's
fail to remember what it was like when they first started
out.  Things need to be easy.  Just my 2 cents.


Derek Bump Dreamscape Software ____________________________________________ Compress Images Easily with JPEGCompress http://www.dreamscapesoftware.com



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$ ln -s /usr/share/kjvbible /usr/manual
$ true | cat /usr/manual | grep "John 3:16"
John 3:16 For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
$




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