StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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25 lines
461 B
25 lines
461 B
var NodeCanvas;
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try {
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NodeCanvas = require('canvas');
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if (!(NodeCanvas && NodeCanvas.createCanvas)) {
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NodeCanvas = null;
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}
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} catch (error) {
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// do nothing
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}
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export function nodeCanvas(w, h, type) {
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if (NodeCanvas) {
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try {
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return new NodeCanvas.Canvas(w, h, type);
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} catch (e) {
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// do nothing, return null on error
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}
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}
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return null;
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}
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export function nodeImage() {
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return (NodeCanvas && NodeCanvas.Image) || null;
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}
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