Bootstrap

天地图加滤镜

 <svg
      id="svgfilters"
      aria-hidden="true"
      style="position: absolute; width: 0; height: 0; overflow: hidden"
      version="1.1"
      xmlns="http://www.w3.org/2000/svg"
      xmlns:xlink="http://www.w3.org/1999/xlink"
    >
      <defs>
        <filter
          id="purple-warm"
          x="-10%"
          y="-10%"
          width="120%"
          height="120%"
          filterUnits="objectBoundingBox"
          primitiveUnits="userSpaceOnUse"
          color-interpolation-filters="sRGB"
        >
          <feColorMatrix
            type="matrix"
            values=".33 .33 .33 0 0
					.33 .33 .33 0 0
					.33 .33 .33 0 0
					0 0 0 1 0"
            in="SourceGraphic"
            result="colormatrix"
          ></feColorMatrix>
          <feComponentTransfer in="colormatrix" result="componentTransfer">
            <feFuncR type="table" tableValues="0.52 0.97 1"></feFuncR>
            <feFuncG type="table" tableValues="0 0.62 1"></feFuncG>
            <feFuncB type="table" tableValues="0.51 0.39 0.89"></feFuncB>
            <feFuncA type="table" tableValues="0 1"></feFuncA>
          </feComponentTransfer>
          <feBlend
            mode="normal"
            in="componentTransfer"
            in2="SourceGraphic"
            result="blend"
          ></feBlend>
        </filter>
      </defs>
    </svg>
<div id="map" style="width: 100%; height: 100%"></div>
<style>
#map .tdt-tile-container img {
  filter: url("#purple-warm") invert(0.87) hue-rotate(350deg) saturate(2)
    brightness(0.9) contrast(1.3);
}
</style>

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