| author | Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr> |
| Fri, 18 Apr 2014 14:31:58 +0200 | |
| changeset 51 | 79833eaa394a |
| parent 47 | c0b4a8b5a012 |
| permissions | -rw-r--r-- |
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47
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
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1 |
require("../env"); |
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require("../../d3"); |
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3 |
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4 |
var vows = require("vows"), |
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5 |
assert = require("assert"); |
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6 |
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var suite = vows.describe("d3.svg.line"); |
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8 |
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9 |
suite.addBatch({ |
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"line": { |
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topic: function() { |
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return d3.svg.line; |
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13 |
}, |
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14 |
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15 |
"x defaults to a function accessor": function(line) { |
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16 |
var l = line(); |
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assert.pathEqual(l([[1, 2], [4, 3]]), "M1,2L4,3"); |
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18 |
assert.typeOf(l.x(), "function"); |
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19 |
}, |
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"x can be defined as a constant": function(line) { |
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21 |
var l = line().x(0); |
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assert.pathEqual(l([[1, 2], [4, 3]]), "M0,2L0,3"); |
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23 |
assert.equal(l.x(), 0); |
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24 |
}, |
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25 |
"x can be defined as a function": function(line) { |
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var l = line().x(f), t = {}, dd = [], ii = [], tt = []; |
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function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 0; } |
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assert.pathEqual(l.call(t, [[1, 2], [4, 3]]), "M0,2L0,3"); |
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assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}"); |
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assert.deepEqual(ii, [0, 1], "expected index, got {actual}"); |
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assert.deepEqual(tt, [t, t], "expected this, got {actual}"); |
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32 |
}, |
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"y defaults to a function accessor": function(line) { |
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35 |
var l = line(); |
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assert.pathEqual(l([[1, 2], [4, 3]]), "M1,2L4,3"); |
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assert.typeOf(l.y(), "function"); |
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}, |
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"y can be defined as a constant": function(line) { |
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var l = line().y(0); |
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assert.pathEqual(l([[1, 2], [4, 3]]), "M1,0L4,0"); |
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42 |
assert.equal(l.y(), 0); |
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43 |
}, |
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"y can be defined as a function": function(line) { |
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var l = line().y(f), t = {}, dd = [], ii = [], tt = []; |
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function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 0; } |
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assert.pathEqual(l.call(t, [[1, 2], [4, 3]]), "M1,0L4,0"); |
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assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}"); |
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assert.deepEqual(ii, [0, 1], "expected index, got {actual}"); |
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assert.deepEqual(tt, [t, t], "expected this, got {actual}"); |
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51 |
}, |
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52 |
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"interpolate defaults to linear": function(line) { |
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assert.equal(line().interpolate(), "linear"); |
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}, |
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"interpolate can be defined as a constant": function(line) { |
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var l = line().interpolate("step-before"); |
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assert.pathEqual(l([[0, 0], [1, 1]]), "M0,0V1H1"); |
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assert.equal(l.interpolate(), "step-before"); |
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60 |
}, |
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61 |
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"tension defaults to .7": function(line) { |
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63 |
assert.equal(line().tension(), .7); |
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64 |
}, |
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65 |
"tension can be specified as a constant": function(line) { |
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var l = line().tension(.5); |
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67 |
assert.equal(l.tension(), .5); |
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68 |
}, |
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69 |
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70 |
"returns null if input points array is empty": function(line) { |
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71 |
assert.isNull(line()([])); |
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72 |
}, |
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73 |
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"interpolate(linear)": { |
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75 |
"supports linear interpolation": function(line) { |
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76 |
var l = line().interpolate("linear"); |
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assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0L1,1L2,0L3,1L4,0"); |
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78 |
} |
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79 |
}, |
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80 |
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81 |
"interpolate(step)": { |
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82 |
"supports step-before interpolation": function(line) { |
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83 |
var l = line().interpolate("step-before"); |
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84 |
assert.pathEqual(l([[0, 0]]), "M0,0"); |
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85 |
assert.pathEqual(l([[0, 0], [1, 1]]), "M0,0V1H1"); |
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86 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0]]), "M0,0V1H1V0H2"); |
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87 |
}, |
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88 |
"supports step-after interpolation": function(line) { |
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89 |
var l = line().interpolate("step-after"); |
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90 |
assert.pathEqual(l([[0, 0]]), "M0,0"); |
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91 |
assert.pathEqual(l([[0, 0], [1, 1]]), "M0,0H1V1"); |
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92 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0]]), "M0,0H1V1H2V0"); |
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93 |
} |
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94 |
}, |
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95 |
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96 |
"interpolate(basis)": { |
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97 |
"supports basis interpolation": function(line) { |
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98 |
var l = line().interpolate("basis"); |
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99 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0C0,0,0,0,0.16666666666666666,0.16666666666666666C0.3333333333333333,0.3333333333333333,0.6666666666666666,0.6666666666666666,1,0.6666666666666666C1.3333333333333333,0.6666666666666666,1.6666666666666665,0.3333333333333333,2,0.3333333333333333C2.333333333333333,0.3333333333333333,2.6666666666666665,0.6666666666666666,3,0.6666666666666666C3.333333333333333,0.6666666666666666,3.6666666666666665,0.3333333333333333,3.833333333333333,0.16666666666666666C4,0,4,0,3.9999999999999996,0"); |
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100 |
}, |
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101 |
"supports basis-open interpolation": function(line) { |
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102 |
var l = line().interpolate("basis-open"); |
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103 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M1,0.6666666666666666C1.3333333333333333,0.6666666666666666,1.6666666666666665,0.3333333333333333,2,0.3333333333333333C2.333333333333333,0.3333333333333333,2.6666666666666665,0.6666666666666666,3,0.6666666666666666"); |
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|
104 |
}, |
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105 |
"supports basis-closed interpolation": function(line) { |
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106 |
var l = line().interpolate("basis-closed"); |
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107 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M2,0.3333333333333333C2.333333333333333,0.3333333333333333,2.6666666666666665,0.6666666666666666,3,0.6666666666666666C3.333333333333333,0.6666666666666666,3.6666666666666665,0.3333333333333333,3.1666666666666665,0.16666666666666666C2.6666666666666665,0,1.3333333333333333,0,0.8333333333333333,0.16666666666666666C0.3333333333333333,0.3333333333333333,0.6666666666666666,0.6666666666666666,1,0.6666666666666666C1.3333333333333333,0.6666666666666666,1.6666666666666665,0.3333333333333333,2,0.3333333333333333"); |
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|
108 |
}, |
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109 |
"basis interpolation reverts to linear with fewer than three points": function(line) { |
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110 |
var l = line().interpolate("basis"), d = line(); |
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111 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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112 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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113 |
}, |
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114 |
"basis-open interpolation reverts to linear with fewer than four points": function(line) { |
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115 |
var l = line().interpolate("basis-open"), d = line(); |
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116 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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117 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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118 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0]]), d([[0, 0], [1, 1], [2, 0]])); |
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119 |
}, |
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120 |
"basis-closed interpolation reverts to linear with fewer than three points": function(line) { |
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121 |
var l = line().interpolate("basis-open"), d = line(); |
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122 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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123 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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124 |
} |
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125 |
}, |
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|
126 |
|
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127 |
"interpolate(bundle)": { |
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128 |
"supports bundle interpolation": function(line) { |
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129 |
var l = line().interpolate("bundle"); |
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130 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0C0,0,0,0,0.16666666666666666,0.11666666666666665C0.3333333333333333,0.2333333333333333,0.6666666666666666,0.4666666666666666,1,0.4666666666666666C1.3333333333333333,0.4666666666666666,1.6666666666666665,0.2333333333333333,2,0.2333333333333333C2.333333333333333,0.2333333333333333,2.6666666666666665,0.4666666666666666,3,0.4666666666666666C3.333333333333333,0.4666666666666666,3.6666666666666665,0.2333333333333333,3.833333333333333,0.11666666666666665C4,0,4,0,4,0"); |
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131 |
}, |
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132 |
"observes the specified tension": function(line) { |
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133 |
var l = line().interpolate("bundle").tension(1); |
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134 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), line().interpolate("basis")([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]])); |
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|
135 |
} |
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|
136 |
}, |
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|
137 |
|
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|
138 |
"interpolate(cardinal)": { |
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139 |
"supports cardinal interpolation": function(line) { |
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140 |
var l = line().interpolate("cardinal"); |
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|
141 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0Q0.8,1,1,1C1.3,1,1.7,0,2,0S2.7,1,3,1Q3.2,1,4,0"); |
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|
142 |
}, |
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|
143 |
"supports cardinal-open interpolation": function(line) { |
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144 |
var l = line().interpolate("cardinal-open"); |
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145 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M1,1C1.3,1,1.7,0,2,0S2.7,1,3,1"); |
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|
146 |
}, |
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|
147 |
"supports cardinal-closed interpolation": function(line) { |
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|
148 |
var l = line().interpolate("cardinal-closed"); |
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|
149 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0C-0.45,0.15,0.7,1,1,1S1.7,0,2,0S2.7,1,3,1S4.45,0.15,4,0S0.45,-0.15,0,0"); |
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|
150 |
}, |
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|
151 |
"cardinal interpolation reverts to linear with fewer than three points": function(line) { |
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|
152 |
var l = line().interpolate("cardinal"), d = line(); |
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|
153 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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|
154 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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|
155 |
}, |
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|
156 |
"cardinal-open interpolation reverts to linear with fewer than four points": function(line) { |
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|
157 |
var l = line().interpolate("cardinal-open"), d = line(); |
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|
158 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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|
159 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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|
160 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 0]]), d([[0, 0], [1, 1], [2, 0]])); |
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|
161 |
}, |
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|
162 |
"cardinal-closed interpolation reverts to linear with fewer than three points": function(line) { |
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163 |
var l = line().interpolate("cardinal-open"), d = line(); |
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|
164 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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|
165 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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|
166 |
}, |
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|
167 |
"observes the specified tension": function(line) { |
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|
168 |
var l = line().tension(.5); |
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169 |
assert.pathEqual(l.interpolate("cardinal")([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0Q0.6666666666666667,1,1,1C1.5,1,1.5,0,2,0S2.5,1,3,1Q3.3333333333333335,1,4,0"); |
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|
170 |
assert.pathEqual(l.interpolate("cardinal-open")([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M1,1C1.5,1,1.5,0,2,0S2.5,1,3,1"); |
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|
171 |
assert.pathEqual(l.interpolate("cardinal-closed")([[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]), "M0,0C-0.75,0.25,0.5,1,1,1S1.5,0,2,0S2.5,1,3,1S4.75,0.25,4,0S0.75,-0.25,0,0"); |
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|
172 |
} |
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|
173 |
}, |
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|
174 |
|
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|
175 |
"interpolate(monotone)": { |
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176 |
"supports monotone interpolation": function(line) { |
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var l = line().interpolate("monotone"); |
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178 |
assert.pathEqual(l([[0, 0], [1, 1], [2, 1], [3, 0], [4, 0]]), "M0,0C0.08333333333333333,0.08333333333333333,0.6666666666666667,1,1,1S1.6666666666666667,1,2,1S2.6666666666666665,0,3,0S3.8333333333333335,0,4,0"); |
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179 |
}, |
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180 |
"monotone interpolation reverts to linear with fewer than three points": function(line) { |
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181 |
var l = line().interpolate("monotone"), d = line(); |
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182 |
assert.pathEqual(l([[0, 0]]), d([[0, 0]])); |
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183 |
assert.pathEqual(l([[0, 0], [1, 1]]), d([[0, 0], [1, 1]])); |
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184 |
} |
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185 |
} |
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186 |
} |
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187 |
}); |
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188 |
|
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189 |
suite.export(module); |