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fix(polar): fix unexpected clipping in polar coordinate #20370

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merged 3 commits into from
Sep 26, 2024
Merged

fix(polar): fix unexpected clipping in polar coordinate #20370

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69232ed
fix: #20363 The polar coord clip should include center point in scatter
sz-p Sep 24, 2024
b0ef6c8
test: #20363 The polar coord clip should include center point in scatter
sz-p Sep 24, 2024
80438d2
fix: 修复 The polar coord clip should include center point in scatter
sz-p Sep 25, 2024
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9 changes: 5 additions & 4 deletions src/coord/polar/Polar.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,7 @@ class Polar implements CoordinateSystem, CoordinateSystemMaster {
const angleExtent = angleAxis.getExtent();

const RADIAN = Math.PI / 180;

const EPSILON = 1e-4;
return {
cx: this.cx,
cy: this.cy,
Expand All @@ -228,12 +228,13 @@ class Polar implements CoordinateSystem, CoordinateSystemMaster {
// Start angle and end angle don't matter
const dx = x - this.cx;
const dy = y - this.cy;
// minus a tiny value 1e-4 to avoid being clipped unexpectedly
const d2 = dx * dx + dy * dy - 1e-4;
const d2 = dx * dx + dy * dy;
const r = this.r;
const r0 = this.r0;

return d2 <= r * r && d2 >= r0 * r0;
// minus a tiny value 1e-4 in double side to avoid being clipped unexpectedly
// r == r0 contain nothing
return r !== r0 && (d2 - EPSILON) <= r * r && (d2 + EPSILON) >= r0 * r0;
}
};
}
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39 changes: 39 additions & 0 deletions test/clip.html
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