Create a poster with gradient mapping

Quick answer：

Gradient mapping is a technique used in graphic design to create visual effects by blending colors gradually across an image or surface. To make a poster with gradient mapping, one would typically use graphic design software like Adobe Photoshop or Illustrator. The process involves selecting a gradient style, choosing colors, and then applying it to the poster's background or specific elements. This technique can be used to convey a sense of movement, emotion, or to create a cohesive and visually appealing design.