osrm-backend/WebContent/utils/OSRM.Utils.js
2012-08-14 16:51:24 +01:00

78 lines
2.4 KiB
JavaScript

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
// OSRM utility functions
// [mixed functions]
OSRM.Utils = {
// [human readabilty functions]
// human readable time
toHumanTime: function(seconds){
seconds = parseInt(seconds);
minutes = parseInt(seconds/60);
seconds = seconds%60;
hours = parseInt(minutes/60);
minutes = minutes%60;
if(hours==0 && minutes==0){ return seconds + ' ' + 's'; }
else if(hours==0){ return minutes + ' ' + 'min'; }
else{ return hours + ' ' + 'h' + ' ' + minutes + ' ' + 'min';}
},
//human readable distance
toHumanDistanceMeters: function(meters){
var distance = parseInt(meters);
distance = distance / 1000;
if(distance >= 100){ return (distance).toFixed(0)+' ' + 'km'; }
else if(distance >= 10){ return (distance).toFixed(1)+' ' + 'km'; }
else if(distance >= 0.1){ return (distance).toFixed(2)+' ' + 'km'; }
else{ return (distance*1000).toFixed(0)+' ' + 'm'; }
},
toHumanDistanceMiles: function(meters){
var distance = parseInt(meters);
distance = distance / 1609.344;
if(distance >= 100){ return (distance).toFixed(0)+' ' + 'mi'; }
else if(distance >= 10){ return (distance).toFixed(1)+' ' + 'mi'; }
else if(distance >= 0.1){ return (distance).toFixed(2)+' ' + 'mi'; }
else{ return (distance*5280).toFixed(0)+' ' + 'ft'; }
},
toHumanDistance: null,
// [verification routines]
// verify angles
isLatitude: function(value) {
if( value >=-90 && value <=90)
return true;
else
return false;
},
isLongitude: function(value) {
if( value >=-180 && value <=180)
return true;
else
return false;
},
isNumber: function(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
};