d3.request("data/geos/current/" + IdwPro[options.pro].file)

             .responseType("arraybuffer")

             .response(function (req) {

              var values=req;

             console.info(values);

             //色带信息。

             var color = d3.scaleLinear().domain([193, 206, 219, 233.15, 255.372, 273.15, 275.15, 291, 298, 311, 328])

             .range([d3.rgb(37, 4, 42), d3.rgb(41, 10, 130), d3.rgb(81, 40, 40),

                      d3.rgb(192, 37, 149), d3.rgb(70, 215, 215), d3.rgb(21, 84, 187),

                      d3.rgb(24, 132, 14), d3.rgb(247, 251, 59), d3.rgb(235, 167, 21),

                      d3.rgb(230, 71, 39), d3.rgb(88, 27, 67)])

             .interpolate(d3.interpolateHcl);

             //图片高度

             var width = 720,

                 height = 360;

             var _blankcanvas = document.createElement("canvas");

             _blankcanvas.width = width;

             _blankcanvas.height = height;

             var blankcanvas = _blankcanvas.getContext("2d").getImageData(0, 0, width, height);

             var _idwcontext = document.createElement("canvas");

             _idwcontext.width = width;

             _idwcontext.height = height;

             var idwcontext = _idwcontext.getContext("2d");

             var c, i = 0,

                 n = width * height * 4,

                 blankimg = blankcanvas.data;

             var d = new Uint8ClampedArray(n);

             //console.info(image.data);

             for (var i = 0; i < height; i++) {

                 var istar = width * i;

                 var istart = (height - i) * width;

                 for (var j = 0; j < width; j++) {

                     c = d3.rgb(color(values.blocks[0][(istar + j)]));

                     blankimg[(istart + j) * 4 + 0] = c.r;

                     blankimg[(istart + j) * 4 + 1] = c.g;

                     blankimg[(istart + j) * 4 + 2] = c.b;

                     blankimg[(istart + j) * 4 + 3] = 255;

                 }

             }

             idwcontext.putImageData(blankcanvas, 0, 0);

             //

         }).get();