Black Diamonds = Locations of good Dropsonde
White X = Locations of bad Drops
Blue/White circle = Interpolated Best Track center location
var image = new image();
var imageData = context.createImageData(width, height);
var pixelIndex = 0;
var red = imageData.data[pixelIndex ]; // red color
var green = imageData.data[pixelIndex + 1]; // green color
var blue = imageData.data[pixelIndex + 2]; // blue color
var alpha = imageData.data[pixelIndex + 3];
var index = 4 * (x + y * width);
image.src =
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