geocaching.fsp - Frink Server Pages highlighter
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<HEAD>
<TITLE>Geocaching Tools</TITLE>
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<%
use ../
navigation.frink
use ../
HTMLUtils.frink
use ../
GoogleEarth.frink
use ../
CoordinateConversions.frink
latHemis = [["North", North], ["South", South]]
longHemis = [["West", West], ["East", East]]
distOptions = ["miles", "km", "meters", "feet", "yards", "cm", "inches", ["statute miles", "statutemiles"], ["nautical miles", "nauticalmile"]]
resultOptions = [["DD.DDDDD", "degrees"],
["DD MM.MMM", "DM"],
["DD MM SS", "DMS"]]
%>
<BODY>
<H1>Geocaching Tools</H1>
<DIV CLASS="back">
<FORM ACTION="geocaching.fsp" METHOD="POST">
<H2>Find distance and bearing between points</H2>
<P>
Latitude and longitude
can be entered by degrees and minutes in the separate boxes provided, or
as decimal degrees by entering a number like "39.999535" in the degrees
box and leaving the minutes and seconds boxes empty.) Minutes or seconds
can also contain decimal points.
</P>
<TABLE BORDER=0>
<TR><TH>Latitude 1<TD><INPUT NAME="latDeg1" TYPE="TEXT" SIZE="12" VALUE="
$latDeg1"> degrees
<TD><INPUT NAME="latMin1" TYPE="TEXT" SIZE="8" VALUE="
$latMin1"> minutes<BR>
<TD><INPUT NAME="latSec1" TYPE="TEXT" SIZE="8" VALUE="
$latSec1"> seconds<BR>
<TD>
<SELECT NAME="latHemi1">
<% makeSelect[latHemis, latHemi1] %>
</SELECT>
<TR><TH>Longitude 1<TD><INPUT NAME="longDeg1" TYPE="TEXT" SIZE="12" VALUE="
$longDeg1"> degrees
<TD><INPUT NAME="longMin1" TYPE="TEXT" SIZE="8" VALUE="
$longMin1"> minutes
<TD><INPUT NAME="longSec1" TYPE="TEXT" SIZE="8" VALUE="
$longSec1"> seconds
<TD>
<SELECT NAME="longHemi1">
<% makeSelect[longHemis, longHemi1] %>
</SELECT>
<TR><TH>Latitude 2<TD><INPUT NAME="latDeg2" TYPE="TEXT" SIZE="12" VALUE="
$latDeg2"> degrees
<TD><INPUT NAME="latMin2" TYPE="TEXT" SIZE="8" VALUE="
$latMin2"> minutes<BR>
<TD><INPUT NAME="latSec2" TYPE="TEXT" SIZE="8" VALUE="
$latSec2"> seconds<BR>
<TD>
<SELECT NAME="latHemi2">
<% makeSelect[latHemis, latHemi2] %>
</SELECT>
<TR><TH>Longitude 2<TD><INPUT NAME="longDeg2" TYPE="TEXT" SIZE="12" VALUE="
$longDeg2"> degrees
<TD><INPUT NAME="longMin2" TYPE="TEXT" SIZE="8" VALUE="
$longMin2"> minutes
<TD><INPUT NAME="longSec2" TYPE="TEXT" SIZE="8" VALUE="
$longSec2"> seconds
<TD>
<SELECT NAME="longHemi2">
<% makeSelect[longHemis, longHemi2] %>
</SELECT>
</TABLE>
<P>
I want to see distances in:
<SELECT NAME="distUnits">
<%
makeSelect[distOptions, distUnits]
%>
</SELECT>
</P>
<INPUT TYPE="Submit" VALUE="Calculate">
</FORM>
</DIV>
<%
distUnits = distUnits ? distUnits : "miles"
if (latDeg1 && longDeg1 && latDeg2 && longDeg2)
{
lat1 = DMSParse[latDeg1, latMin1, latSec1, latHemi1]
long1 = DMSParse[longDeg1, longMin1, longSec1, longHemi1]
lat2 = DMSParse[latDeg2, latMin2, latSec2, latHemi2]
long2 = DMSParse[longDeg2, longMin2, longSec2, longHemi2]
[dist, bearing] = earthDistanceAndBearing[lat1, long1, lat2, long2]
println["<DIV CLASS=\"back\"><P><B>Result:</B><BR>"]
println["Distance is " + format[dist, distUnits, 5] + "<BR>"]
println["Bearing from point 1 to point 2 is " + format[bearing, "degrees", 3]]
println["</P></DIV>"]
%>
<script src="https://maps.googleapis.com/maps/api/js?sensor=false&key=AIzaSyDj9DLJQCJ0CjaEf1Phge4IHag1oVBRad4" type="text/javascript"></script>
<div id="map1" style="width: 100%; height: 550px"></div>
<script type="text/javascript">
function initializeMap1()
{
var mapOptions =
{
center: new google.maps.LatLng(
<%= formatPoint[(lat1+lat2)/2, (long1+long2)/2] %>),
zoom: 8,
mapTypeId: google.maps.MapTypeId.HYBRID
};
var map = new google.maps.Map(document.getElementById("map1"),
mapOptions);
var bounds = new google.maps.LatLngBounds();
createMarker(map, bounds,
<%=formatPoint[lat1, long1]%>, "Point 1");
createMarker(map, bounds,
<%=formatPoint[lat2, long2]%>, "Point 2");
map.fitBounds(bounds);
}
google.maps.event.addDomListener(window, 'load', initializeMap1);
</script>
<%
}
DMSParse[ds, ms, ss, hemi] :=
{
str = "( $ds degrees "
if (length[ms] > 0)
str = str + "+ $ms arcmin "
if (length[ss] > 0)
str = str + "+ $ss arcsec "
str = str + ") * $hemi"
return eval[str]
}
%>
<P>
Distances cited are great-circle distances on the earth, with
correction for the fact that the earth is slightly non-spherical.
</P>
<DIV CLASS="back">
<A NAME="destination">
<H2>Find destination given initial position, bearing, and distance:</H2>
</A>
<FORM ACTION="geocaching.fsp#destination" METHOD="POST">
<TABLE BORDER=0>
<TR><TH>Latitude<TD><INPUT NAME="latDegStart" TYPE="TEXT" SIZE="12" VALUE="
$latDegStart"> degrees
<TD><INPUT NAME="latMinStart" TYPE="TEXT" SIZE="8" VALUE="
$latMinStart"> minutes<BR>
<TD><INPUT NAME="latSecStart" TYPE="TEXT" SIZE="8" VALUE="
$latSecStart"> seconds<BR>
<TD>
<SELECT NAME="latHemiStart">
<% makeSelect[latHemis, latHemiStart] %>
</SELECT>
<TR><TH>Longitude<TD><INPUT NAME="longDegStart" TYPE="TEXT" SIZE="12" VALUE="
$longDegStart"> degrees
<TD><INPUT NAME="longMinStart" TYPE="TEXT" SIZE="8" VALUE="
$longMinStart"> minutes
<TD><INPUT NAME="longSecStart" TYPE="TEXT" SIZE="8" VALUE="
$longSecStart"> seconds
<TD>
<SELECT NAME="longHemiStart">
<% makeSelect[longHemis, longHemiStart] %>
</SELECT>
<TR><TH>Distance:<TD COLSPAN="2"><INPUT NAME="distance" TYPE="TEXT" SIZE="8" VALUE="
$distance">
<SELECT NAME="distanceUnits">
<% makeSelect[distOptions, distanceUnits] %>
</SELECT>
<TR><TH>Initial Heading:<TD><INPUT NAME="heading" TYPE="TEXT" SIZE="8" VALUE="
$heading"> degrees
<TR><TD COLSPAN="3">I want to see results in:
<SELECT NAME="resultUnits">
<% makeSelect[resultOptions, resultUnits] %>
</SELECT>
</TABLE>
<INPUT TYPE="Submit" VALUE="Calculate">
</FORM>
<%
if (latDegStart and longDegStart and heading and distance)
{
lat = DMSParse[latDegStart, latMinStart, latSecStart, latHemiStart]
long = DMSParse[longDegStart, longMinStart, longSecStart, longHemiStart]
dist = eval["
$distance $distanceUnits"]
head = eval["
$heading degrees"]
[rlat, rlong] = resultantLatLong[lat, long, dist, head]
println["<P><B>From:</B><BR>"]
println["Latitude: " + (abs[lat]->resultUnits) + " " + latitudeName[lat] + "<BR>"]
println["Longitude: " + (abs[long]-> resultUnits) + " " + longitudeName[long] + "<BR>"]
println["<P><B>Results:</B><BR>"]
println["Latitude: " + (abs[rlat]->resultUnits) + " " + latitudeName[rlat] + "<BR>"]
println["Longitude: " + (abs[rlong]-> resultUnits) + " " + longitudeName[rlong] + "<BR>"]
println["Map destination in <A TARGET=\"_blank\" HREF=\"http://maps.google.com/maps?q=" + format[rlat, degrees, 5] +
"+" + format[rlong, degrees, 5] + "\">Google Maps</A> or"]
println["<A HREF=\"GoogleEarth.fsp?lat=" + format[rlat, degrees, 5] +
"&long=" + format[rlong, degrees, 5] + "&name=destination\">Google Earth</A>"]
%>
<script src="https://maps.googleapis.com/maps/api/js?sensor=false&key=AIzaSyDj9DLJQCJ0CjaEf1Phge4IHag1oVBRad4" type="text/javascript"></script>
<div id="map2" style="width: 100%; height: 550px"></div>
<script type="text/javascript">
function initializeMap2()
{
var mapOptions =
{
center: new google.maps.LatLng(
<%= formatPoint[(lat+rlat)/2, (long+rlong)/2] %>),
zoom: 8,
mapTypeId: google.maps.MapTypeId.HYBRID
};
var map = new google.maps.Map(document.getElementById("map2"),
mapOptions);
var bounds = new google.maps.LatLngBounds();
createMarker(map, bounds,
<%=formatPoint[lat, long]%>, "initial");
createMarker(map, bounds,
<%=formatPoint[rlat, rlong]%>, "destination");
map.fitBounds(bounds);
}
google.maps.event.addDomListener(window, 'load', initializeMap2);
</script>
<%
}
%>
</DIV>
<P>
<DIV CLASS="back">
<A NAME="LatLongToUTM">
<H2>Convert Latitude and Longitude to UTM</H2>
</A>
<P>
Default is currently the WGS84/NAD83 datum.
Latitude and longitude can be entered by degrees and minutes in the
separate boxes provided, or as decimal degrees by entering a number like
"39.999535" in the degrees box and leaving the minutes and seconds boxes
empty.) Minutes or seconds can also contain decimal points.
</P>
<FORM ACTION="geocaching.fsp#LatLongToUTM" METHOD="POST">
<TABLE BORDER=0>
<TR><TH>Latitude<TD><INPUT NAME="latUTMdeg" TYPE="TEXT" SIZE="12" VALUE="
$latUTMdeg"> degrees
<TD><INPUT NAME="latUTMmin" TYPE="TEXT" SIZE="8" VALUE="
$latUTMmin"> minutes
<TD><INPUT NAME="latUTMsec" TYPE="TEXT" SIZE="8" VALUE="
$latUTMsec"> seconds
<SELECT NAME="latHemiUTM">
<% makeSelect[latHemis, latHemiUTM] %>
</SELECT>
<TR><TH>Longitude<TD><INPUT NAME="longUTMdeg" TYPE="TEXT" SIZE="12" VALUE="
$longUTMdeg"> degrees
<TD><INPUT NAME="longUTMmin" TYPE="TEXT" SIZE="8" VALUE="
$longUTMmin"> minutes
<TD><INPUT NAME="longUTMsec" TYPE="TEXT" SIZE="8" VALUE="
$longUTMsec"> seconds
<SELECT NAME="longHemiUTM">
<% makeSelect[longHemis, longHemiUTM] %>
</SELECT>
</TABLE>
<INPUT TYPE="Submit" VALUE="Calculate">
</FORM>
</DIV>
<%
if (latUTMdeg and longUTMdeg)
{
latUTM = DMSParse[latUTMdeg, latUTMmin, latUTMsec, latHemiUTM]
longUTM = DMSParse[longUTMdeg, longUTMmin, longUTMsec, longHemiUTM]
[easting, northing, zone] = LatLongToUTM[latUTM, longUTM, Datum.NAD83]
println["<P>Latitude: " + format[latUTM,degrees,6] + "<BR>"]
println["Longitude: " + format[longUTM,degrees,6] + "</P>"]
println["<P>Easting: " + format[easting,1,4] + "<BR>"]
println["Northing: " + format[northing,1,4] + "<BR>"]
println["Zone:
$zone</P>"]
}
%>
<P>
<DIV CLASS="back">
<A NAME="UTMToLatLong">
<H2>Convert UTM to Latitude and Longitude</H2>
</A>
<P>
Default is currently the WGS84/NAD83 datum.
</P>
<FORM ACTION="geocaching.fsp#UTMToLatLong" METHOD="POST">
<TABLE BORDER=0>
<TR><TH>Easting<TD><INPUT NAME="eastingIn" TYPE="TEXT" SIZE="12" VALUE="
$eastingIn">
<TR><TH>Northing<TD><INPUT NAME="northingIn" TYPE="TEXT" SIZE="12" VALUE="
$northingIn">
<TR><TH>Zone<TD><INPUT NAME="UTMzone" TYPE="TEXT" SIZE="4"
VALUE="
$UTMzone"> (Example: <B>19R</B>, letter is currently ignored.)
</TABLE>
<P>
<TR><TD COLSPAN="3">I want to see results in:
<SELECT NAME="UTMResultUnits">
<% makeSelect[resultOptions, UTMResultUnits] %>
</SELECT>
</P>
<INPUT TYPE="Submit" VALUE="Calculate">
</FORM>
</DIV>
<%
if eastingIn and northingIn and UTMzone
{
eastingM = eval[eastingIn]
northingM = eval[northingIn]
[lat, long] = UTMToLatLong[eastingM, northingM, trim[UTMzone], Datum.WGS84]
println["<P>Easting:
$eastingIn<BR>"]
println["Northing:
$northingIn<BR>"]
println["Zone:
$UTMzone</P>"]
println["<P><B>Results:</B><BR>"]
println["Latitude: " + (abs[lat]->UTMResultUnits) + " " + latitudeName[lat] + "<BR>"]
println["Longitude: " + (abs[long]-> UTMResultUnits) + " " + longitudeName[long] + "<BR>"]
}
%>
<HR>
<P>
<A HREF="highlight.fsp?f=geocaching.fsp">View Source</A>
</P>
<P>
<I><A HREF="mailto:eliasen@mindspring.com">Alan Eliasen</A></I> was born
<%= round[now[] - #1969-08-19 04:54 PM Mountain#, minute] -> ["days", "hours", "minutes"] %> ago.
</P>
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<script type="text/javascript">
function createMarker(map, bounds, lat, long, description)
{
var pos = new google.maps.LatLng(lat,long);
var marker = new google.maps.Marker(
{
position: pos,
title: description
});
marker.setMap(map);
bounds.extend(pos);
}
</script>
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[Try geocaching.fsp]
Alan Eliasen was born
20203 days, 11 hours, 11 minutes ago.
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