@bokeh/bokehjs
Version:
Interactive, novel data visualization
59 lines • 1.6 kB
JavaScript
import { Transform } from "../transforms/transform";
import { Range } from "../ranges/range";
import { Range1d } from "../ranges/range1d";
import { ScreenArray } from "../../core/types";
export class Scale extends Transform {
static __name__ = "Scale";
constructor(attrs) {
super(attrs);
}
static {
this.internal(({ Ref }) => ({
source_range: [Ref(Range)],
target_range: [Ref(Range1d)],
}));
}
compute(x) {
return this.s_compute(x);
}
v_compute(xs) {
const n = xs.length;
const result = new ScreenArray(n);
const { s_compute } = this;
for (let i = 0; i < n; i++) {
result[i] = s_compute(xs[i]);
}
return result;
}
invert(sx) {
return this.s_invert(sx);
}
v_invert(sxs) {
const n = sxs.length;
const result = new Float64Array(n);
const { s_invert } = this;
for (let i = 0; i < n; i++) {
result[i] = s_invert(sxs[i]);
}
return result;
}
r_compute(x0, x1) {
const { s_compute } = this;
if (this.target_range.is_reversed) {
return [s_compute(x1), s_compute(x0)];
}
else {
return [s_compute(x0), s_compute(x1)];
}
}
r_invert(sx0, sx1) {
const { s_invert } = this;
if (this.target_range.is_reversed) {
return [s_invert(sx1), s_invert(sx0)];
}
else {
return [s_invert(sx0), s_invert(sx1)];
}
}
}
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