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animatelerplerpArraylerpFloat32ArraytransitionNumbertransitionArraytransitionFloat32ArraycreateAnimationLoopsequenceparallelanimateAsyncdebouncethrottleEasingFunctionAnimationOptionsTransitionOptionscreateInteractiveCanvasInteractiveCanvasInteractiveCanvas.resetViewInteractiveCanvas.getTransformInteractiveCanvas.setTransformInteractiveCanvas.zoomToRectInteractiveCanvas.destroyHitTesterHitTester.clearHitTester.addRegionHitTester.addRegionsHitTester.hitTestHitTester.hitTestAllViewTransformTooltipDataSelectionRectClickDataInteractiveCanvasOptionsHitRegioncreateCanvasTargetcreateTextureTargetCanvasTargetTextureTargetExportFormatRenderTargetcomputeNiceTicksdefaultTickFormatcreateTextOverlayTextOverlayTextOverlay.clearTextOverlay.drawTextTextOverlay.drawLineTextOverlay.drawXAxisTextOverlay.drawYAxisTextOverlay.drawTitleTextOverlay.drawLegendTextOverlay.getCanvasTextOverlay.resizeTextOverlay.compositeToTextStyleAxisConfigChartAxescreateThumbnailGeneratorgenerateThumbnailThumbnailGeneratorThumbnailGenerator.generateThumbnailGenerator.generateBlobThumbnailGenerator.generateDataURLThumbnailGenerator.destroyThumbnailOptionscreateCanvasTooltipcreateDOMTooltipCanvasTooltipCanvasTooltip.showCanvasTooltip.hideCanvasTooltip.updatePositionCanvasTooltip.renderCanvasTooltip.setOptionsCanvasTooltip.isVisibleCanvasTooltip.destroyDOMTooltipDOMTooltip.showDOMTooltip.hideDOMTooltip.isVisibleDOMTooltip.destroyTooltipPositionTooltipContentTooltipOptionsgetSharedDevicegetPreferredFormatconfigureCanvascreateRenderPipeline
torch.js· 2026
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  2. viz
  3. viz
  4. core
  5. ThumbnailGenerator

viz.core.ThumbnailGenerator

class ThumbnailGenerator

GPU-accelerated thumbnail generator.

Examples

const generator = new ThumbnailGenerator();

// Create from a render target
const thumbnail = await generator.generate(renderTarget, { maxSize: 128 });

// Export as blob
const blob = await thumbnail.toBlob('png');
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throttle
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ThumbnailGenerator.destroy