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From "jim shirreffs" <>
Subject Re: CAD files, Images
Date Wed, 23 May 2007 14:44:00 GMT
thank you for the reply, I knew the answer but was compelled to ask anyway.
CAD files like AutoCad/ProE/CaTia do contain some useful text and it is 
possible to get at that and
index it. But mostly it's vectors and there is not much a text engine can do 
with a vectors.

thanks again.

jim s

----- Original Message ----- 
From: "Erick Erickson" <>
To: <>
Sent: Wednesday, May 23, 2007 8:21 AM
Subject: Re: CAD files, Images

> No, you can only index text. It's the same thing as indexing HTML
> documents or XML documents. You index "important stuff" from
> the guts of the doc.
> So, if you can get some text out of these docs, you can index *that*,
> possibly along with page information that allows you to, say, display
> the relevant page in the original CAD app.
> But there's nothing in core Lucene that just takes a CAD doc and
> "does magic" to index it that I know of.
> Erick
> On 5/23/07, jim shirreffs <> wrote:
>> Is it possibe to index CAD formats such as AutoCad or CGM? I know some
>> commecail products (excalaber) claim to be able to do that? If so what
>> about
>> TIFF?
>> thanks
>> jim s
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