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1
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/*!
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2
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3
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Box plot
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4
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5
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# Examples
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6
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7
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```
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8
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# use plotlib::repr::BoxPlot;
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9
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# use plotlib::view::CategoricalView;
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10
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let b1 = BoxPlot::from_slice(&[0., 2., 3., 4.]);
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let b2 = BoxPlot::from_vec(vec![0., 2., 3., 4.]);
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12
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let v = CategoricalView::new().add(b1);
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13
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```
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14
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*/
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15
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16
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use std::f64;
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17
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18
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use svg;
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19
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20
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use crate::axis;
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21
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use crate::repr::CategoricalRepresentation;
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22
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use crate::style::BoxStyle;
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23
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use crate::svg_render;
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24
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use crate::utils;
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25
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enum BoxData<'a> {
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27
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Owned(Vec<f64>),
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28
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Ref(&'a [f64]),
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29
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}
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30
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31
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pub struct BoxPlot<'a> {
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data: BoxData<'a>,
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label: String,
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style: BoxStyle,
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}
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36
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37
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impl<'a> BoxPlot<'a> {
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38
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0
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pub fn from_slice(v: &'a [f64]) -> Self {
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39
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BoxPlot {
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40
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data: BoxData::Ref(v),
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41
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style: BoxStyle::new(),
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42
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label: String::new(),
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}
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}
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45
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46
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pub fn from_vec(v: Vec<f64>) -> Self {
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47
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BoxPlot {
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data: BoxData::Owned(v),
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style: BoxStyle::new(),
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50
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label: String::new(),
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51
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}
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52
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}
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53
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54
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pub fn style(mut self, style: &BoxStyle) -> Self {
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55
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self.style.overlay(style);
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56
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self
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}
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58
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59
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pub fn get_style(&self) -> &BoxStyle {
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60
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&self.style
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}
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62
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63
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pub fn label<T>(mut self, label: T) -> Self
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64
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where
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65
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T: Into<String>,
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{
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self.label = label.into();
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68
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self
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}
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70
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71
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0
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pub fn get_label(&self) -> &String {
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72
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&self.label
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}
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74
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75
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0
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fn get_data(&'a self) -> &'a [f64] {
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76
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0
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match self.data {
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77
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0
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BoxData::Owned(ref v) => v,
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78
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0
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BoxData::Ref(v) => v,
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}
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}
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81
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82
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0
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fn range(&self) -> (f64, f64) {
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83
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0
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match self.data {
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84
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BoxData::Owned(ref v) => utils::range(v),
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85
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BoxData::Ref(v) => utils::range(v),
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86
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}
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87
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}
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88
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}
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89
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90
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impl<'a> CategoricalRepresentation for BoxPlot<'a> {
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/// The maximum range. Used for auto-scaling axis
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92
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0
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fn range(&self) -> (f64, f64) {
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93
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self.range()
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94
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}
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95
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96
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/// The ticks that this representation covers. Used to collect all ticks for display
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97
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0
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fn ticks(&self) -> Vec<String> {
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98
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vec![self.label.clone()]
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99
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}
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100
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101
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0
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fn to_svg(
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102
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&self,
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103
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x_axis: &axis::CategoricalAxis,
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104
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y_axis: &axis::ContinuousAxis,
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105
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face_width: f64,
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106
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face_height: f64,
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107
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) -> svg::node::element::Group {
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108
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svg_render::draw_face_boxplot(
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109
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0
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self.get_data(),
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110
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0
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&self.label,
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111
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0
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x_axis,
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112
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0
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y_axis,
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113
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0
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face_width,
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114
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0
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face_height,
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115
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0
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&self.style,
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116
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)
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117
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}
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118
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119
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0
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fn to_text(
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120
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&self,
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121
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_x_axis: &axis::CategoricalAxis,
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122
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_y_axis: &axis::ContinuousAxis,
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123
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_face_width: u32,
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124
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_face_height: u32,
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125
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) -> String {
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126
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0
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"".into()
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127
|
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}
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128
|
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}
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milliams