Mercurial > gemma

comparison pkg/octree/classbreaks.go @ 4214:49564382ffff

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Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 16 Aug 2019 13:15:34 +0200
parents 37d5c4441c70
children 7a9388943840
comparison
equal deleted inserted replaced
4197:5d7ce7f926eb 4214:49564382ffff
56 } 56 }
57 } 57 }
58 return heights 58 return heights
59 } 59 }
60 60
61 func LoadClassBreaks(ctx context.Context, tx *sql.Tx, key string) ([]float64, error) { 61 func ParseClassBreaks(config string) ([]float64, error) {
62 62
63 var config sql.NullString 63 parts := strings.Split(config, ",")
64
65 err := tx.QueryRowContext(ctx, selectClassBreaksSQL, key).Scan(&config)
66
67 switch {
68 case err == sql.ErrNoRows:
69 return nil, nil
70 case err != nil:
71 return nil, err
72 case !config.Valid:
73 return nil, errors.New("Invalid config string")
74 }
75
76 parts := strings.Split(config.String, ",")
77 classes := make([]float64, 0, len(parts)) 64 classes := make([]float64, 0, len(parts))
78 for _, part := range parts { 65 for _, part := range parts {
79 if idx := strings.IndexRune(part, ':'); idx >= 0 { 66 if idx := strings.IndexRune(part, ':'); idx >= 0 {
80 part = part[:idx] 67 part = part[:idx]
81 } 68 }
89 classes = append(classes, v) 76 classes = append(classes, v)
90 } 77 }
91 78
92 sort.Float64s(classes) 79 sort.Float64s(classes)
93 return classes, nil 80 return classes, nil
81 }
82
83 func LoadClassBreaks(ctx context.Context, tx *sql.Tx, key string) ([]float64, error) {
84
85 var config sql.NullString
86
87 err := tx.QueryRowContext(ctx, selectClassBreaksSQL, key).Scan(&config)
88
89 switch {
90 case err == sql.ErrNoRows:
91 return nil, nil
92 case err != nil:
93 return nil, err
94 case !config.Valid:
95 return nil, errors.New("Invalid config string")
96 }
97
98 return ParseClassBreaks(config.String)
94 } 99 }
95 100
96 func ExtrapolateClassBreaks(cbs []float64, min, max float64) []float64 { 101 func ExtrapolateClassBreaks(cbs []float64, min, max float64) []float64 {
97 if min > max { 102 if min > max {
98 min, max = max, min 103 min, max = max, min