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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62 lines
1.2 KiB
62 lines
1.2 KiB
4 years ago
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'use strict'
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module.exports = createBoxes
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var createBuffer = require('gl-buffer')
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var createShader = require('gl-shader')
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var shaders = require('./shaders')
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function Boxes(plot, vbo, shader) {
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this.plot = plot
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this.vbo = vbo
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this.shader = shader
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}
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var proto = Boxes.prototype
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proto.bind = function() {
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var shader = this.shader
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this.vbo.bind()
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this.shader.bind()
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shader.attributes.coord.pointer()
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shader.uniforms.screenBox = this.plot.screenBox
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}
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proto.drawBox = (function() {
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var lo = [0,0]
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var hi = [0,0]
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return function(loX, loY, hiX, hiY, color) {
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var plot = this.plot
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var shader = this.shader
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var gl = plot.gl
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lo[0] = loX
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lo[1] = loY
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hi[0] = hiX
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hi[1] = hiY
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shader.uniforms.lo = lo
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shader.uniforms.hi = hi
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shader.uniforms.color = color
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gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4)
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}
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}())
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proto.dispose = function() {
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this.vbo.dispose()
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this.shader.dispose()
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}
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function createBoxes(plot) {
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var gl = plot.gl
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var vbo = createBuffer(gl, [
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0,0,
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0,1,
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1,0,
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1,1])
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var shader = createShader(gl, shaders.boxVert, shaders.lineFrag)
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return new Boxes(plot, vbo, shader)
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}
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