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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63 lines
1.3 KiB
63 lines
1.3 KiB
'use strict'
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module.exports = createLines
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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 Lines(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 = Lines.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.drawLine = (function() {
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var start = [0,0]
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var end = [0,0]
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return function(startX, startY, endX, endY, width, 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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start[0] = startX
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start[1] = startY
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end[0] = endX
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end[1] = endY
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shader.uniforms.start = start
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shader.uniforms.end = end
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shader.uniforms.width = width * plot.pixelRatio
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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 createLines(plot) {
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var gl = plot.gl
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var vbo = createBuffer(gl, [
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-1,-1,
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-1,1,
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1,-1,
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1,1])
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var shader = createShader(gl, shaders.lineVert, shaders.lineFrag)
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var lines = new Lines(plot, vbo, shader)
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return lines
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}
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