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hide glow at small angles

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This commit is contained in:
Paul Marbach
2025-12-17 17:32:50 -05:00
parent 5a1ae834e0
commit 2c9b7ca135
1 changed files with 16 additions and 14 deletions
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packages/grafana-ui/src/components/RadialGauge/RadialArcPath.tsx
+16 -14
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@@ -30,7 +30,7 @@ interface RadialArcPathPropsWithGuideDot extends RadialArcPathPropsBase {
type RadialArcPathProps = RadialArcPathPropsBase | RadialArcPathPropsWithGuideDot;
const DOT_START_MIN_ANGLE_DEG = 5;
const ENDPOINT_MARKER_MIN_ANGLE = 10;
const DOT_OPACITY = 0.5;
const DOT_RADIUS_FACTOR = 0.4;
const MAX_DOT_RADIUS = 8;
@@ -85,7 +85,7 @@ export const RadialArcPath = memo(
const [pointColorStart, pointColorEnd] = getEndpointMarkerColors(gradientStops, fieldDisplay.display.percent);
endpointMarks = (
<>
{arcLengthDeg > DOT_START_MIN_ANGLE_DEG && (
{arcLengthDeg > ENDPOINT_MARKER_MIN_ANGLE && (
<circle cx={xStart} cy={yStart} r={dotRadius} fill={pointColorStart} opacity={DOT_OPACITY} />
)}
<circle cx={xEnd} cy={yEnd} r={dotRadius} fill={pointColorEnd} opacity={DOT_OPACITY} />
@@ -93,18 +93,20 @@ export const RadialArcPath = memo(
);
break;
case 'glow':
const xStartMark = centerX + radius * Math.cos(endRadians - 0.2);
const yStartMark = centerY + radius * Math.sin(endRadians - 0.2);
endpointMarks = (
<path
d={['M', xStartMark, yStartMark, 'A', radius, radius, 0, 0, 1, xEnd, yEnd].join(' ')}
fill="none"
strokeWidth={barWidth}
stroke={endpointMarkerGlowFilter}
strokeLinecap={roundedBars ? 'round' : 'butt'}
filter={glowFilter}
/>
);
const offsetAngle = toRad(ENDPOINT_MARKER_MIN_ANGLE);
const xStartMark = centerX + radius * Math.cos(endRadians + offsetAngle);
const yStartMark = centerY + radius * Math.sin(endRadians + offsetAngle);
endpointMarks =
arcLengthDeg > ENDPOINT_MARKER_MIN_ANGLE ? (
<path
d={['M', xStartMark, yStartMark, 'A', radius, radius, 0, 0, 1, xEnd, yEnd].join(' ')}
fill="none"
strokeWidth={barWidth}
stroke={endpointMarkerGlowFilter}
strokeLinecap={roundedBars ? 'round' : 'butt'}
filter={glowFilter}
/>
) : null;
break;
default:
break;