X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from eastrmmtao107.cox.net ([68.230.240.59] verified) by logan.com (CommuniGate Pro SMTP 5.3.2) with ESMTP id 4103459 for flyrotary@lancaironline.net; Fri, 29 Jan 2010 10:37:23 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.240.59; envelope-from=tmann@n200lz.com Received: from eastrmimpo02.cox.net ([68.1.16.120]) by eastrmmtao107.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20100129153646.FEIG18765.eastrmmtao107.cox.net@eastrmimpo02.cox.net> for ; Fri, 29 Jan 2010 10:36:46 -0500 Received: from testPC ([70.184.217.221]) by eastrmimpo02.cox.net with bizsmtp id bTcl1d0064nBe7202Tclds; Fri, 29 Jan 2010 10:36:46 -0500 X-VR-Score: 0.00 X-Authority-Analysis: v=1.1 cv=m2uZYReVMtEBXOgN9RrTi2vXgbAT6Rl4nLxplK8f7tE= c=1 sm=1 a=gg+spYMGC3HMAXU8AuUugQ==:17 a=xgovmxG7uVClqCLZ7SkA:9 a=WbTQuuO2jFKoN-t2hKMA:7 a=sD8W87lGWolDVV880D1OwfnbXL4A:4 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=kBpcY6dxFRFSVi1rqMcA:9 a=kK4AS05vAz2K-zoqNLgA:7 a=fveptWO5MgdC3nPmIULVZYPMbF8A:4 a=gg+spYMGC3HMAXU8AuUugQ==:117 X-CM-Score: 0.00 From: "Thomas Mann" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: Tiff to CAD Software Date: Fri, 29 Jan 2010 09:36:41 -0600 Message-ID: <002701caa0f8$db3c0dc0$91b42940$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0028_01CAA0C6.90A19DC0" X-Mailer: Microsoft Office Outlook 12.0 thread-index: Acqf19aPphWWsXvUQzGF0Zfq4u1iygBHCHfQ Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_0028_01CAA0C6.90A19DC0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In my efforts to transpose the TIFF image format of a Microfiche image of a hand drafted blue print of the P-51 scoop and related drawings. As you might imagine, just dealing with the grainy images is in itself somewhat difficult but trying to translate it into a CAD drawing is even more daunting. SOLUTION: I scratched up a software program yesterday that will allow me to do the following. . Import a graphic file. . Determine the scale (pixels to inch) . Select a start point (lower left corner of my converted image) . Allow me to trace the drawing and convert it to a CAD script using mouse clicks to define points of the drawing. It's more of a prototype at the moment but I can make it into a deployable application once I make a few enhancements. I tested it on three of the images yesterday and totally blew through the process creating scripts for the radiator exhaust door, oil cooler exhaust door, front profile of the scoop (oil cooler forward) and all the associated bulkhead drawings in a couple hours. The end result is I can scale the scoop drawings at roughly 61% and have a full size drawing to use as templates, etc. for my application. I plan of plotting these out full size this weekend and start on the actual fabrication of the scoop & diffuser. ------=_NextPart_000_0028_01CAA0C6.90A19DC0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In my efforts to transpose the TIFF image format of a = Microfiche image of a hand drafted blue print of the P-51 scoop and related = drawings.

As you might imagine, just dealing with the grainy images = is in itself somewhat difficult but trying to translate it into a CAD drawing = is even more daunting.

SOLUTION:

I scratched up a software program yesterday that will = allow me to do the following.

· Import a graphic file.

· Determine the scale (pixels to = inch)

· Select a start point (lower left corner of my converted = image)

· Allow me to trace the drawing and convert it to a CAD = script using mouse clicks to define points of the = drawing.

It’s more of a prototype at the moment but I can = make it into a deployable application once I make a few enhancements. I tested = it on three of the images yesterday and totally blew through the process = creating scripts for the radiator exhaust door, oil cooler exhaust door, front = profile of the scoop (oil cooler forward) and all the associated bulkhead = drawings in a couple hours.

The end result is I can scale the scoop drawings at = roughly 61% and have a full size drawing to use as templates, etc. for my = application. I plan of plotting these out full size this weekend and start on the = actual fabrication of the scoop & diffuser.

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