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a88dfe1914
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70c790c93d
@ -148,8 +148,6 @@ export function MapComponent({
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}
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float value = texColor.r * 3.4;
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value = clamp(value, 0.0, 1.0);
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// 软阈值,避免全场被 return
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@ -266,10 +266,21 @@ export function createMeteorologicalColorMap(): Uint8Array {
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for (let j = 0; j < colorRanges.length; j++) {
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const range = colorRanges[j];
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if (value >= range.range[0] && value <= range.range[1]) {
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// 使用区间的固定颜色,不进行插值
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r = range.color[0];
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g = range.color[1];
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b = range.color[2];
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// 在区间内进行线性插值
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const localT = (value - range.range[0]) / (range.range[1] - range.range[0]);
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if (j < colorRanges.length - 1) {
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const nextRange = colorRanges[j + 1];
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// 与下一个颜色进行插值
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r = Math.floor(range.color[0] + localT * (nextRange.color[0] - range.color[0]));
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g = Math.floor(range.color[1] + localT * (nextRange.color[1] - range.color[1]));
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b = Math.floor(range.color[2] + localT * (nextRange.color[2] - range.color[2]));
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} else {
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// 最后一个区间,使用固定颜色
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r = range.color[0];
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g = range.color[1];
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b = range.color[2];
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}
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found = true;
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break;
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}
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