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(UPI) Chapter 5: Image Manipulation in HTML

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Instruction

How to Determine Coordinates for Hotspots

  1. Rectangle: Determine the x, y coordinates of the top-left and bottom-right corners.
  2. Circle: Identify the x, y coordinates for the center and calculate the radius.
  3. Polygon: Use as many x, y coordinates as necessary to outline the shape in a clockwise direction.

Tools like Adobe Photoshop or GIMP provide coordinate readouts, making it easier to determine the ex...