[SEL] A Welding Question/Now Software

[Elden DuRand]

Thanks, Jerry:

Now I know.  Just what I'll do with my new found knowledge is a big question, though.

Take care - Elden
http://www.oldengine.org/members/durand 

> -----Original Message-----
> From: sel-bounces at lists.stationary-engine.com
> [mailto:sel-bounces at lists.stationary-engine.com]On
>  Behalf Of Jerry Evans
> Sent: Monday, August 20, 2007 02:45 PM
> To: sel at lists.stationary-engine.com
> Subject: [SEL] A Welding Question/Now Software
> 
> 
> Hi Elden,
>          No I do not have any magic software like 
> that. I also doubt if 
> Photoshop could do that because you would need 
> some kind of 3D Modelling X 
> photo editing software to do it perfectly - you 
> would also need to know the 
> distance that the "curved end" is away from the 
> front and a few other 
> measurements.
>          What my software can do (and so can 
> Photoshop) is "distort" a 
> picture so it follows that it can also take a 
> distorted picture and (to a 
> certain degree) straighten it. I do not use this method.
>          To give an example as simply as 
> possible: Imagine a square plate 
> photographed from an angle (to the one side) . 
> The resultant flat picture 
> will have the edge nearest the lens appearing 
> longer than the edge on the 
> "further away" side (perspective). With digital 
> imaging software you can 
> "drag" the far corners outward until you have 
> them the same length as the 
> near edge and the pic will then appear to be 
> rectangular. I have 
> occasionally done this with a rectangular plate 
> but never an oval plate.
>          To make my explanation easier to 
> understand I have put an example 
> here:
> <www.oldengine.org/members/evans/plates/distort/index.htm>
> 
>          It takes me many hours to draw out the 
> artwork and I do not charge 
> for this time. That is why I prefer a good pic to 
> start with. I can also 
> work (within reason) from a lousy picture but it 
> takes so much longer.
>          I hope this answers your question.
> 
> Keep the revs up (or down)
> Jerry Evans
> Near Johannesburg in Sunny South Africa.
> Etched Brass Engine Plates made to order:
> See:
> www.oldengine.org/members/evans/plates/index.htm
> or learn how to finish off your plates
> www.oldengine.org/members/evans/plates/finish.htm