Re: [WebDNA] Range calculation w/negative values
This WebDNA talk-list message is from 2011
It keeps the original formatting.
numero = 107673
interpreted = N
texte = Well, the use of negative signs is merely a convention, so it's ok to exchan= ge negative for positive Francisco Hirsch --=20 http://www.ayudamac.com.ar http://www.elasesordevinos.com.ar http://www.fiscaldemesa.com.ar On 08/11/2011, at 10:11, Gil Poulsen
wrote: > Haven't posted to this list in ages, but every so often you run into somet= hing... Doing a range calculation as part of a distance search based on ZIP c= ode (aka Great Circle calculation). For whatever reason, I can't get the sea= rch to work on negative values, and the longitude of every city in the U.S. i= s expressed as a negative value. Using WebCat 5.1e on an old Mac mini G4. >=20 > This is the basic search, actually comes from something another individual= on the list posted years ago: >=20 > [search db=3Dzipcodes.db&rnLATdatarq=3D[lowLat],[hiLat]&rnLONGdatarq=3D[lo= wLong],[hiLong]&LATtype=3Dnum&LONGtype=3Dnum&asZIPsort=3D1] >=20 > The [lowLong]and [hiLong] values are negative as well. If I remove the ent= ire longitude section the search works fine. And if I change the values in t= he db for longitude to positive, the search works, but that just seems wrong= ... >=20 > zipcodes.db > zip city state lat long > 00501 HOLTSVILLE NY 40.81 -73.04 >=20 >=20 > -- > Gil Poulsen, Mac Wirehead >=20 > ************************ > AltiM@c Consulting > P.O. Box 2125 > Neptune, NJ 07754 > Voice: 609-359-0103 > ************************ >=20 >=20 > --------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > archives: http://mail.webdna.us/list/talk@webdna.us > Bug Reporting: support@webdna.us
Associated Messages, from the most recent to the oldest:
Well, the use of negative signs is merely a convention, so it's ok to exchan= ge negative for positive Francisco Hirsch --=20 http://www.ayudamac.com.ar http://www.elasesordevinos.com.ar http://www.fiscaldemesa.com.ar On 08/11/2011, at 10:11, Gil Poulsen wrote: > Haven't posted to this list in ages, but every so often you run into somet= hing... Doing a range calculation as part of a distance search based on ZIP c= ode (aka Great Circle calculation). For whatever reason, I can't get the sea= rch to work on negative values, and the longitude of every city in the U.S. i= s expressed as a negative value. Using WebCat 5.1e on an old Mac mini G4. >=20 > This is the basic search, actually comes from something another individual= on the list posted years ago: >=20 > [search db=3Dzipcodes.db&rnLATdatarq=3D[lowLat],[hiLat]&rnLONGdatarq=3D[lo= wLong],[hiLong]&LATtype=3Dnum&LONGtype=3Dnum&asZIPsort=3D1] >=20 > The [lowLong]and [hiLong] values are negative as well. If I remove the ent= ire longitude section the search works fine. And if I change the values in t= he db for longitude to positive, the search works, but that just seems wrong= ... >=20 > zipcodes.db > zip city state lat long > 00501 HOLTSVILLE NY 40.81 -73.04 >=20 >=20 > -- > Gil Poulsen, Mac Wirehead >=20 > ************************ > AltiM@c Consulting > P.O. Box 2125 > Neptune, NJ 07754 > Voice: 609-359-0103 > ************************ >=20 >=20 > --------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > archives: http://mail.webdna.us/list/talk@webdna.us > Bug Reporting: support@webdna.us
Francisco Hirsch
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