ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Move Swiss transform functions to the .js file

Browse Source
This commit is contained in:
Andreas Hocevar
2014-07-09 21:24:42 +02:00
parent 1ae82b054c
commit 193adf4401
2 changed files with 153 additions and 154 deletions
Download Patch File Download Diff File Expand all files Collapse all files

152
examples/wms-custom-proj.html
View File

@@ -42,158 +42,6 @@
</div>
</div>
<!--
Transform functions script block downloaded from
http://www.swisstopo.admin.ch/internet/swisstopo/en/home/products/software/products/skripts.html
-->
<script language="Javascript">
// Convert WGS lat/long (° dec) to CH y
function WGStoCHy(lat, lng) {
// Converts degrees dec to sex
lat = DECtoSEX(lat);
lng = DECtoSEX(lng);
// Converts degrees to seconds (sex)
lat = DEGtoSEC(lat);
lng = DEGtoSEC(lng);
// Axiliary values (% Bern)
var lat_aux = (lat - 169028.66)/10000;
var lng_aux = (lng - 26782.5)/10000;
// Process Y
y = 600072.37
+ 211455.93 * lng_aux
- 10938.51 * lng_aux * lat_aux
- 0.36 * lng_aux * Math.pow(lat_aux,2)
- 44.54 * Math.pow(lng_aux,3);
return y;
}
// Convert WGS lat/long (° dec) to CH x
function WGStoCHx(lat, lng) {
// Converts degrees dec to sex
lat = DECtoSEX(lat);
lng = DECtoSEX(lng);
// Converts degrees to seconds (sex)
lat = DEGtoSEC(lat);
lng = DEGtoSEC(lng);
// Axiliary values (% Bern)
var lat_aux = (lat - 169028.66)/10000;
var lng_aux = (lng - 26782.5)/10000;
// Process X
x = 200147.07
+ 308807.95 * lat_aux
+ 3745.25 * Math.pow(lng_aux,2)
+ 76.63 * Math.pow(lat_aux,2)
- 194.56 * Math.pow(lng_aux,2) * lat_aux
+ 119.79 * Math.pow(lat_aux,3);
return x;
}
// Convert CH y/x to WGS lat
function CHtoWGSlat(y, x) {
// Converts militar to civil and to unit = 1000km
// Axiliary values (% Bern)
var y_aux = (y - 600000)/1000000;
var x_aux = (x - 200000)/1000000;
// Process lat
lat = 16.9023892
+ 3.238272 * x_aux
- 0.270978 * Math.pow(y_aux,2)
- 0.002528 * Math.pow(x_aux,2)
- 0.0447 * Math.pow(y_aux,2) * x_aux
- 0.0140 * Math.pow(x_aux,3);
// Unit 10000" to 1 " and converts seconds to degrees (dec)
lat = lat * 100/36;
return lat;
}
// Convert CH y/x to WGS long
function CHtoWGSlng(y, x) {
// Converts militar to civil and to unit = 1000km
// Axiliary values (% Bern)
var y_aux = (y - 600000)/1000000;
var x_aux = (x - 200000)/1000000;
// Process long
lng = 2.6779094
+ 4.728982 * y_aux
+ 0.791484 * y_aux * x_aux
+ 0.1306 * y_aux * Math.pow(x_aux,2)
- 0.0436 * Math.pow(y_aux,3);
// Unit 10000" to 1 " and converts seconds to degrees (dec)
lng = lng * 100/36;
return lng;
}
// Convert SEX DMS angle to DEC
function SEXtoDEC(angle) {
// Extract DMS
var deg = parseInt( angle );
var min = parseInt( (angle-deg)*100 );
var sec = (((angle-deg)*100) - min) * 100;
// Result in degrees sex (dd.mmss)
return deg + (sec/60 + min)/60;
}
// Convert DEC angle to SEX DMS
function DECtoSEX(angle) {
// Extract DMS
var deg = parseInt( angle );
var min = parseInt( (angle-deg)*60 );
var sec = (((angle-deg)*60)-min)*60;
// Result in degrees sex (dd.mmss)
return deg + min/100 + sec/10000;
}
// Convert Degrees angle to seconds
function DEGtoSEC(angle) {
// Extract DMS
var deg = parseInt( angle );
var min = parseInt( (angle-deg)*100 );
var sec = (((angle-deg)*100) - min) * 100;
// Avoid rounding problems with seconds=0
var parts = String(angle).split(".");
if (parts.length == 2 && parts[1].length == 2) {
min = Number(parts[1]);
sec = 0;
}
// Result in degrees sex (dd.mmss)
return sec + min*60 + deg*3600;
}
</script>
<script src="jquery.min.js" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
<script src="loader.js?id=wms-custom-proj" type="text/javascript"></script>