annotate pkg/models/colors.go @ 4611:b5aa1eb83bb0 geoserver_sql_views

Add possibility to configure SRS for GeoServer SQL view Automatic detection of spatial reference system for SQL views in GeoServer does not always find the correct SRS.
author Tom Gottfried <tom@intevation.de>
date Fri, 06 Sep 2019 11:58:03 +0200
parents 859210ee6440
children 04eba9dc917d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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) 2019 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 // * Markus Kottländer <markus.kottlaender@intevation.de>
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14
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15 package models
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16
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17 import (
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18 "fmt"
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19 "image/color"
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20 "math"
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21 "sort"
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22 "strconv"
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23 "strings"
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24 )
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25
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26 type (
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27 ColorValue struct {
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28 Value float64
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29 Color color.RGBA
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30 }
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31
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32 ColorValues []ColorValue
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33
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34 ClassBreak struct {
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35 High float64
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36 HasHigh bool
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37 Low float64
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38 HasLow bool
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39 Col color.RGBA
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40 }
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41 )
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42
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43 func (cb *ClassBreak) Color() string {
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44 return fmt.Sprintf("#%02x%02x%02x",
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45 cb.Col.R,
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46 cb.Col.G,
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47 cb.Col.B,
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48 )
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49 }
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50
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51 func (cc ColorValues) ClassBreaks() []ClassBreak {
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52
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53 cbs := make([]ClassBreak, len(cc), len(cc)+1)
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54 for i := range cc {
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55 if i > 0 {
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56 cbs[i].Low = cc[i-1].Value
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57 cbs[i].HasLow = true
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58 }
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59 cbs[i].High = cc[i].Value
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60 cbs[i].HasHigh = true
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61 cbs[i].Col = cc[i].Color
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62 }
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63 if len(cc) > 0 {
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64 cbs = append(cbs, ClassBreak{
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65 Col: cc[len(cc)-1].Color,
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66 Low: cc[len(cc)-1].Value,
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67 HasLow: true,
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68 })
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69 }
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70
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71 return cbs
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72 }
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73
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74 func (cc ColorValues) Interpolate(v float64) (color.RGBA, bool) {
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75 if len(cc) == 0 || v < cc[0].Value || v > cc[len(cc)-1].Value {
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76 return color.RGBA{}, false
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77 }
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78
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79 if len(cc) == 1 {
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80 return cc[0].Color, cc[0].Value == v
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81 }
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82
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83 for i := 0; i < len(cc)-1; i++ {
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84 v1 := cc[i].Value
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85 v2 := cc[i+1].Value
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86 if v1 <= v && v <= v2 {
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87 // f(v1) = 0
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88 // f(v2) = 1
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89 // 0 = m*v1 + c <=> c = -m*v1
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90 // 1 = m*v2 + c
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91 // (1 - 0) = m*(v2 - v1)
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92 // m = 1/(v2 - v1) for v2 != v1
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93
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diff changeset
94 if v1 == v2 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
95 return color.RGBA{
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
96 R: uint8((uint16(cc[i].Color.R) + uint16(cc[i+1].Color.R)) / 2),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
97 G: uint8((uint16(cc[i].Color.G) + uint16(cc[i+1].Color.G)) / 2),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
98 B: uint8((uint16(cc[i].Color.B) + uint16(cc[i+1].Color.B)) / 2),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
99 A: 0xff,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
100 }, true
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
101 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
102 m := 1 / (v2 - v1)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
103 c := -m * v1
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
104 s := v*m + c
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
105
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
106 interpolate := func(a, b uint8) uint8 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
107 v := math.Round(float64(a) + (float64(b)-float64(a))*s)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
108 if v < 0 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
109 return 0
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
110 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
111 if v > 255 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
112 return 255
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
113 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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114 return uint8(v)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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115 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
116
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
117 return color.RGBA{
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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118 R: interpolate(cc[i].Color.R, cc[i+1].Color.R),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119 G: interpolate(cc[i].Color.G, cc[i+1].Color.G),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
120 B: interpolate(cc[i].Color.B, cc[i+1].Color.B),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
121 A: 0xff,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
122 }, true
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 return color.RGBA{}, false
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
129 func ParseColorValues(s string) (ColorValues, error) {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
130
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
131 var err error
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
132
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
133 parseFloat := func(s string) float64 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134 var v float64
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
135 if err == nil {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 v, err = strconv.ParseFloat(s, 64)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138 return v
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 parseColor := func(s string) color.RGBA {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 if err != nil {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 return color.RGBA{}
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145 s = strings.Map(func(r rune) rune {
3897
859210ee6440 Cosmetics: Don't lower the runes in the color strings used in class break definitions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
146 if ('0' <= r && r <= '9') ||
859210ee6440 Cosmetics: Don't lower the runes in the color strings used in class break definitions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
147 ('a' <= r && r <= 'f') ||
859210ee6440 Cosmetics: Don't lower the runes in the color strings used in class break definitions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
148 ('A' <= r && r <= 'F') {
3854
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 return r
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 return -1
3897
859210ee6440 Cosmetics: Don't lower the runes in the color strings used in class break definitions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3854
diff changeset
152 }, s)
3854
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 var v int64
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 v, err = strconv.ParseInt(s, 16, 64)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 return color.RGBA{
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 R: uint8(v >> 16),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 G: uint8(v >> 8),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 B: uint8(v >> 0),
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160 A: 0xff,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 lines := strings.Split(s, ",")
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
165
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166 // first pass: find defined colors
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 var defined ColorValues
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 for _, line := range lines {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170 // ignore the lines w/o a color.
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 if !strings.ContainsRune(line, ':') {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 continue
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 parts := strings.SplitN(line, ":", 2)
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 if len(parts) < 2 {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 continue
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 value := parseFloat(parts[0])
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 color := parseColor(parts[1])
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 defined = append(defined, ColorValue{
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 Value: value,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 Color: color,
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 })
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 if err != nil {
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 return nil, err
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 }
3fcc4e11fc00 Validate the config values of the morpho classes when saving. Also don't trigger the expensive re-calculation of the contour lines if only the colors changed.
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190
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191 sort.Slice(defined, func(i, j int) bool {
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192 return defined[i].Value < defined[j].Value
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193 })
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194
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195 // second pass: interpolate the rest
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196 var final ColorValues
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197 for _, line := range lines {
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198 if idx := strings.IndexRune(line, ':'); idx >= 0 {
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199 line = line[:idx]
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200 }
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201 value := parseFloat(line)
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202 if color, ok := defined.Interpolate(value); ok {
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203 final = append(final, ColorValue{
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204 Value: value,
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205 Color: color,
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206 })
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207 }
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208 }
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209
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210 return final, err
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211 }