p0p0099 - 経済統計練習帳

var point = new Array();
 
function sample() {
 
 
 
        var query = "SELECT * FROM " +'1qr76Z6wLInDNUy2BPfLke7SGaN4RYYTgCVkvj2rD';
        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) {
                    sx = sx + 1;
                    point[sx] = rows[i][2];
                }
 
                number = sx;
 
 
                maxy = 0;
                for (s = 1; s < number; s++) {
                    if (point[s] > maxy) maxy = point[s];
                }
 
                miny = maxy;
                for (s = 1; s < number; s++) {
                    if (point[s] < miny) miny = point[s];
                }
 
                paint();
            }
        });
 
}
 
 
function paint(){
 
var sub=new svgpaint();
 
delta = 500 / number;
 
str="<svg width=\"500\" height=\"500\">";
str=str+sub.rect(0,0,500,500,"blue");
for (s = 1; s < number;s++ ){
y1 = 500*(point[s]-miny) / (maxy-miny);
y2 = 500*(point[s+1]-miny) / (maxy-miny);
str=str+sub.line(s*delta,500-y1,delta+s*delta,500-y2,4,"red");   
}
    str = str + "</svg>";
 
$("#memo").html(str);   
 
}