tety098 - 経済統計練習帳

var point=new Array();
var lon=new Array();
var lat=new Array();
var line=new Array();
var number;
var ball;
 
function sample() {
 
        var query = "SELECT 'line',lon,lat,v FROM " +
            '1BKgErwl7YQsXR0SYoLfE8MDurLLzfVmpL8EeuLqo';
        var encodedQuery = encodeURIComponent(query);
 
        var url = ['https://www.googleapis.com/fusiontables/v1/query'];
        url.push('?sql=' + encodedQuery);
        url.push('&key=AIzaSyAH0WCAXRIdHdbI-6bnMSN4kVDDZZmGyqY');
        url.push('&callback=?');
 
 
 
        $.ajax({
            url: url.join(''),
            dataType: 'jsonp',
            success: function (data) {
                var rows = data['rows'];
 
                sx = 0;
 
                for (var i in rows) {
                    var x1 = rows[i][0];
                    var x2 = rows[i][1];
                    var x3 = rows[i][2];
                    var x4 = rows[i][3];
 
                    sx = sx + 1;
                    line[sx] = x1;
                    lon[sx] = x2;
                    lat[sx] = x3;
                    point[sx] = x4;
                }
 
                number = sx;
 
                ball = 4110;
 
                game();
 
            }
        });
 
}
 
function game(){
 
    var timer;
var delay = 1000;
 
 
var loop = function () {
 
    abc = line[ball];
    var a = new Array();
 
    sx = 0;
    for (s = 1; s < number + 1; s++) {
        if (line[s] == abc) sx = sx + 1;
        if (line[s] == abc) a[sx] = s;
    }
 
 
    n1 = sx * Math.random();
    n2 = Math.floor(n1) + 1;
    ball = a[n2];
 
    paint();
 
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
    paint();
 
 
 
}
 
 
function paint(){
 
var sub3=new svgpaint();
 
maxy=0;
maxx = 0;
minx = 8888;
miny = 9999;
 
for (s = 1; s < number + 1;s++ ){
if(lon[s]>maxy)maxy=lon[s];    
if(lat[s]>maxx)maxx=lat[s];    
if(lon[s]<miny)miny=lon[s];    
if(lat[s]<minx)minx=lat[s];    
}
 
    str = "<svg width=\"500\" height=\"500\">";
for(s=1;s<number+1;s++){
    y1 = (500*(lon[s]-miny)) / (maxy-miny);
    x1 = (500*(lat[s]-minx)) / (maxx-minx);
str=str+sub3.rect(x1,500-y1,1,1,"blue");
} 
 
y1 = (500*(lon[ball]-miny)) / (maxy-miny);
x1 = (500*(lat[ball]-minx)) / (maxx-minx); 
str=str+sub3.rect(x1,500-y1,5,5,"red");
 
str=str+"</svg>";
 
$("#memo").html(str);   
 
}