And just emphasising the answer to the question asked: the process is "interpolation". -- Regards, Mark Hurd, B.Sc.(Ma.)(Hons.)
On 14 October 2011 17:32, Ian Thomas <[email protected]> wrote: > Not the answer you want – just to point out that this is a not-uncommon > requirement, and software tools exist. > > This is a simple problem for any GIS software: interpolation on an existing > shape, or constructing a shape with a defined number of points equi-spaced. > Of course, the maths behind the user interface (tools) is rigorous, and yes > splines are used because most often the shape or curve is irregular. > > A very capable product is manifold GIS, which is .NET-codeable (or, can use > VBA scripting). It is quite cheap (www.manifold.net ). There is a very good > user fraternity. > > I use it - But I’m not offering to generate the results you want. > > ________________________________ > > Ian Thomas > Victoria Park, Western Australia > > ________________________________ > > From: [email protected] [mailto:[email protected]] > On Behalf Of David Boccabella > Sent: Friday, October 14, 2011 2:29 PM > To: 'ozDotNet' > Subject: Name of process > > Hi there > > I am trying to find the name of a process so I can then look for coding > example on google to do it. Unfortunately it will be in VB6. > > Imagine. > > You have an irregular shaped circle with 400 points on the circumference. > Each point is represented numerically as the radius from the center to that > point. > > Now - you need to give this to a system that requires 1000 point, so you > need to 'generate' additional points that would lie on the circumference > if the original circle was plotted with 1000 instead of 400. > > I think the term is interpolating with bsplines but I am not sure. The > company I work for manufactures lenses for specticles and some of the > equipment will trace the shape of a lens using 400, 100, or 1000 points. And > other machines that cut the lenses want 1000 points. So I need to convert > the 400 point traces to 1000 ones. > > Many thanks for any advice > > Dave > > > ******************************************************************** > David J. Boccabella > > Proprietor > Anubis Systems > Phone: 0433 808 525 > > Fax: 3200 0085 > Email: [email protected] > > This e-mail and it's contents is confidential to Anubis Systems. It's wrong, and in a .sig :-( > This e-mail, any attachments, or any part of can not be reproduced > without the express written permission of Anubis Systems > ******************************************************************** >
