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GeoFormat.js
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GeoFormat.js
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/*
GeoFormat.js
version 1.0
Dec.11.2013
Copyright (c) 2013 by Naoki Ueda
Copyright (c) 2013 by NI-Lab.
Published under the 2-clause BSD license.
See http://openlayers.org/dev/license.txt for the full text of the license
*/
var GeoFormat = function(var0, var1, var2, var3, var4, var5 ) {
this.valid = false;
this.lat;
this.lon;
this.lng;
var geoprint = function(format, val, isLat){
var calFactor = 10000000000;
var isValid = true;
var formattedString = "";
if(format==null || format==""){
format = "%f";
}
//ConfirmFormatIndicator
if(format.substr(0,1) != "%"){
return null;
}
//Confirm type
// %f
// %d
// %u
if(format.substr(format.length-1,1) == "f"){
//val=val;
}else if(format.substr(format.length-1,1) == "d"){
val = (val<0?(-1):1) * Math.floor(Math.abs(val));
}else if(format.substr(format.length-1,1) == "u"){
val = Math.floor(Math.abs(val));
}else{
//Format Error
return null;
}
//Option
var regexp = /^\%([+aA0 ]*)([\d]*)\.{0,1}([\d]*)([f|d|u])$/;
var match_result = format.match(regexp)
var option = RegExp.$1;
var digitlen = RegExp.$2;
var underlen = RegExp.$3;
var type = RegExp.$4;
//exclusive option
if(option.indexOf(" ")>=0
&& option.indexOf("0")>=0){
return null;
}
if(option.indexOf("+")>=0
&& option.indexOf("a")>=0
&& option.indexOf("A")>=0){
return null;
}
//Sign
// " "(Space) spece fill
// "0" zerofill
// "+" show"+" when positive
// "a" aspect: n/s or e/w
// "A" Aspect: N/S or E/W
var signStr = "";
if(option.indexOf("a")>=0){
signStr = val>0?(isLat?"n":"e"):(isLat?"s":"w");
}else if(option.indexOf("A")>=0){
signStr = val>0?(isLat?"N":"E"):(isLat?"S":"W");
}else if(option.indexOf("+")>=0){
signStr = val>=0?"+":"-";
}else{
signStr = val>=0?"":"-";
}
var formattedString = "";
//width and zerofill/spacefill
if(option.indexOf("0")>=0){
var fillStr = option.indexOf(" ")>=0?" ":"0";
if(!isNaN(digitlen)){
var digitpart = Math.floor(Math.abs(val));
digitpart = digitpart + "";//toString
for(var i =0; i < digitlen - signStr.length - digitpart.length - 0; i++){
formattedString += fillStr;
}
}
formattedString = signStr + formattedString + digitpart;
}else if(option.indexOf(" ")>=0){
var fillStr = option.indexOf(" ")>=0?" ":"0";
if(!isNaN(digitlen)){
var digitpart = Math.floor(Math.abs(val));
digitpart = digitpart + "";//toString
for(var i =0; i < digitlen - signStr.length - digitpart.length - 0; i++){
formattedString += fillStr;
}
}
formattedString = formattedString + signStr + digitpart;
}else{
formattedString = signStr + Math.floor(Math.abs(val));
}
//under decimal width
if(type == "f"){
var underdecimal = (Math.abs(val) * calFactor - Math.floor(Math.abs(val)) * calFactor) / calFactor;
if(underlen -0 >0){
underdecimal = underdecimal.toFixed(underlen -0);
underdecimal = "" + underdecimal;//toString
}else{
if(underdecimal - 0 == 0){
underdecimal = "0.0";
}else{
underdecimal = underdecimal.toFixed((calFactor+"").length-1);
underdecimal = "" + underdecimal;//toString
}
}
underdecimal += "";//toString
formattedString += underdecimal.substr(1);
}
return(""+formattedString);
}
var latlonvalue = function(val,isLat){
var calFactor = 10000000000;
var sign = val<0?(-1):1;
var d = Math.abs(val);
var dint = Math.floor(d);
var m = (d * calFactor - dint * calFactor) * 60 / calFactor;
var mint = Math.floor(m);
var s = (m * calFactor - mint * calFactor) * 60 / calFactor;
var sint = Math.floor(s);
var msec = (s * calFactor - sint * calFactor) * 1000 / calFactor;
this.deg = function(format_formula){
//signed, Degree, decimal, unit:degree
return(geoprint(format_formula,sign * d ,isLat));
};
this.min = function(format_formula){
//unsigned, under minutes, decimal, unit:minute
return(geoprint(format_formula,m ,isLat));
};
this.sec = function(format_formula){
//unsignedm under seconds, decimal, unit:second
return(geoprint(format_formula,s ,isLat));
};
this.msec = function(format_formula){
//unsignedm under milli seconds, decimal, unit=mill-second
return(geoprint(format_formula,msec ,isLat));
};
this.fullmin = function(format_formula){
//signed, lat or lon by minute unit, decimal
return(geoprint(format_formula,sign * val * 60 ,isLat));
};
this.fullsec = function(format_formula){
//signed, lat or lon by second unit, decimal
return(geoprint(format_formula,sign * val * 3600 ,isLat));
};
this.fullmsec = function(format_formula){
//signed, lat or lon by milli-second unit, decimal
return(geoprint(format_formula,sign * val * 3600000 ,isLat));
};
this.rad = function(format_formula){
//unsigned, lat or lon by radian, decimal
return(geoprint(format_formula, 2 * Math.PI * (val<0?(360+val):val) / 360 ,isLat));
};
}
//Parameter check and init
if(!isNaN(var0) && !isNaN(var1) && isNaN(var2) && isNaN(var3) && isNaN(var4) && isNaN(var5)){
this.lat = new latlonvalue(var0 - 0,true);
this.lon = new latlonvalue(var1 - 0,false);
this.lng = this.lon;
this.valid = true;
}else if(!isNaN(var0) && !isNaN(var1) && !isNaN(var2) && !isNaN(var3) && isNaN(var4) && isNaN(var5)){
this.lat = new latlonvalue(((var0-0)<0?(-1):1) * (Math.abs(var0 - 0) + (Math.abs(var1 - 0))/60 - 0),true);
this.lon = new latlonvalue(((var2-0)<0?(-1):1) * (Math.abs(var2 - 0) + (Math.abs(var3 - 0))/60 - 0),false);
this.lng = this.lon;
this.valid = true;
}else if(!isNaN(var0) && !isNaN(var1) && !isNaN(var2) && !isNaN(var3) && !isNaN(var4) && !isNaN(var5)){
this.lat = new latlonvalue(((var0-0)<0?(-1):1) * (Math.abs(var0 - 0) + Math.abs((var1 - 0)/60) + Math.abs((var2 - 0)/3600 - 0)),true);
this.lon = new latlonvalue(((var3-0)<0?(-1):1) * (Math.abs(var3 - 0) + Math.abs((var4 - 0)/60) + Math.abs((var5 - 0)/3600 - 0)),false);
this.lng = this.lon;
this.valid = true;
}else{
this.lat = null;
this.lon = null;
this.lng = this.lon;
this.valid = false;
}
};