Thanks a lot, Charlotte. I just never experimented with that Lat/Long feature; it's exactly what I need for the purpose. ----- Original Message ----- From: <searcher@covad.net> To: <DEED-MAPPER-USERS-L@rootsweb.com> Sent: Friday, April 16, 2004 12:39 PM Subject: Re: Re[DMU] Help fpr deed with arc > It's just geometry. The radius of the circle is given and so was the > length of the arc. Find the circumfrence of the entire circle and > then the ratio of the arc to the circumfrence. > c=2 X 3.14 X r or abt 6200 ft in this case > 1736 ft/ 6200 ft = .280 or almost one third of the circle. > 360 degrees X .280= 101degrees of arc is being swept. In other words > for every 10 degrees 173.6 ft is being covered. > So if you divide the given length into ten equal segments and change > the angle by ten degrees each time you can get an approximation of > the curve. If you wanted to you could do it even finer but 10 seemed > a good number. > As for down the meanders I just find where I am on the map and use > the lat/ long feature [the +] to "walk" my way down the meander and > write down the direction and distance as I go. > > Charlotte > > > > Do you have a convenient algorithm (or better a program) for > > calculating this? If so, how about passing it on to Steve Broyles for > > incorporation into a future release. Or even better, since most of > > these kinds of interpolations are necessarily irregular (eg. "down the > > meanders...") would be the ability to plot a series of points (at the > > bends, say, of a river) and have the bounds generated automagically by > > the program, connecting the plotted dots (this is assuming the > > presence of one of Steve's overlays, or other importations showing > > river course and the like). > > > > ----- Original Message ----- > > From: <searcher@covad.net> > > To: <DEED-MAPPER-USERS-L@rootsweb.com> > > Sent: Friday, April 16, 2004 9:29 AM > > Subject: Re[DMU] Help fpr deed with arc > > > > > > > ok your arc is sweeping an arc of 101.0349 degrees during it's > > > length. > > > You can enter the following ten lines in place of the instruction > > > Lm ; 1736.89f; this is the arc > > > > > > lm s59.89e; 173.689f; > > > pt > > > lm s69.89e; 173.689f; > > > pt > > > lm s79.89e; 173.689f; > > > pt > > > lm s89.89e; 173.689f; > > > pt > > > lm n79.89e; 173.689f; > > > pt > > > lm n69.89e; 173.689f; > > > pt > > > lm n59.89e; 173.689f; > > > pt > > > lm n49.89e; 173.689f; > > > pt > > > lm n39.89e; 173.689f; > > > pt > > > lm n29.89e; 173.689f; > > > This is dividing the given arc up into 10 equal segments. It is an > > > approximation and not a smooth arc but will do for display > > > purposes. > > > > > > > > > Charlotte > > > > > > > I know DeedMapper can't do arcs but can I somehow get the rest of > > > > the points in the correct position while leaving out the segment > > > > with the arc? > > > > > > > > > ==== DEED-MAPPER-USERS Mailing List ==== > > > Send all messages and replies to <DEED-MAPPER-USERS-L@rootsweb.com>. > > > > > > ============================== > > > Gain access to over two billion names including the new Immigration > > > Collection with an Ancestry.com free trial. Click to learn more. > > > http://www.ancestry.com/rd/redir.asp?targetid=4930&sourceid=1237 > > > > > > > > > > > ==== DEED-MAPPER-USERS Mailing List ==== > > Please turn off the "Reply To:" (leave it blank) in your messages. > > This is normally not needed unless you are sending from one address > > and expect to receive mail at a different address. > > > > ============================== > > Gain access to over two billion names including the new Immigration > > Collection with an Ancestry.com free trial. Click to learn more. > > http://www.ancestry.com/rd/redir.asp?targetid=4930&sourceid=1237 > > > > > > > > ==== DEED-MAPPER-USERS Mailing List ==== > Send all messages and replies to <DEED-MAPPER-USERS-L@rootsweb.com>. > > ============================== > Gain access to over two billion names including the new Immigration > Collection with an Ancestry.com free trial. Click to learn more. > http://www.ancestry.com/rd/redir.asp?targetid=4930&sourceid=1237 >