@cornerstonejs/core/dist/esm/RenderingEngine/GenericViewport/Planar/planarMath.js

Cornerstone3D Core

import { vec3 } from 'gl-matrix';
export function getSafeCanvasDimension(value) {
    return Math.max(value || 0, 1);
}
export function normalizePoint3(point, fallback) {
    const normalized = vec3.normalize(vec3.create(), point);
    if (fallback &&
        (!Number.isFinite(normalized[0]) ||
            !Number.isFinite(normalized[1]) ||
            !Number.isFinite(normalized[2]) ||
            vec3.length(normalized) === 0)) {
        return vec3.clone(fallback);
    }
    return normalized;
}