たかく６ - 経済統計練習帳

var number_pol;
var px=new Array();
var py=new Array();
 
function sample(){
 
 
    number_pol=5;
 
 
    px[1]=10;
    py[1]=10;
    px[2]=10;
    py[2]=110;
    px[3]=110;
    py[3]=110;
    px[4]=110;
    py[4]=10;
    px[5]=60;
    py[5]=20;
 
    paint();
 
}
 
 
function paint() {
 
 
    str = "<svg width=\"500\" height=\"500\">";
        str = str + poly("green");
 
    str = str + "</svg>";
 
    $("#memo").html(str);
 
 
}
 
function poly(col) {
 
    var str, data;
    var s;
    data = "";
    for (s = 1; s < number_pol; s++) {
        data = data + px[s] + "," + py[s] + ",";
    }
    s = number_pol;
    data = data + px[s] + "," + py[s];
 
    str = "<polygon fill=" + chop(col) + " points=" + chop(data) + "/>";
 
    return str;
}
 
function chop(str) {
 
    var strx;
 
    strx = "\"" + str + "\"";
 
    return strx;
 
}