Mercurial > gemma

annotate pkg/octree/plane2d_test.go @ 2549:9bf6b767a56a

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client: refactored and improved splitscreen for diagrams To make different diagrams possible, the splitscreen view needed to be decoupled from the cross profiles. Also the style has changed to make it more consistent with the rest of the app. The standard box header is now used and there are collapse and expand animations.
author Markus Kottlaender <markus@intevation.de>
date Fri, 08 Mar 2019 08:50:47 +0100
parents a244b18cb916
children
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1017
a244b18cb916 Added GNU Affero General Public License.
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
778
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14 package octree
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15
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16 import (
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17 "math"
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18 "testing"
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19 )
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20
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21 func TestIntersection(t *testing.T) {
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22
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23 table := []struct {
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24 a [4]float64
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25 b [4]float64
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26 intersects bool
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27 x, y float64
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28 }{
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29 {[4]float64{-1, -1, 1, 1}, [4]float64{-1, 1, 1, -1}, true, 0, 0},
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30 {[4]float64{0, 0, 1, 1}, [4]float64{0, 1, 1, 0}, true, 0.5, 0.5},
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31 {[4]float64{0, 0, 1, 0}, [4]float64{0, 1, 1, 1}, false, 0, 0},
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32 }
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33
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34 for _, e := range table {
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35 p1 := NewPlane2D(e.a[0], e.a[1], e.a[2], e.a[3])
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36 p2 := NewPlane2D(e.b[0], e.b[1], e.b[2], e.b[3])
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37 x, y, intersects := p1.Intersection(p2)
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38 if intersects != e.intersects {
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39 t.Fatalf("Have %t want %t\n", intersects, e.intersects)
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40 }
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41 if e.intersects {
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42 if math.Abs(e.x-x) > epsPlane || math.Abs(e.y-y) > epsPlane {
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43 t.Fatalf("Have (%f, %f)t want (%f, %f)\n", x, y, e.x, e.y)
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44 }
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45 }
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46 }
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47 }