mirror of https://github.com/tidwall/tile38.git
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"github.com/tidwall/tile38/pkg/geojson"
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)
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type pointT struct {
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name string
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point geojson.SimplePoint
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}
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// KML represents a KML object.
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type KML struct {
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points []pointT
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}
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// NewKML returns a new KML object.
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func NewKML() *KML {
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return &KML{}
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}
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// AddPoint adds a point to a KML object.
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func (kml *KML) AddPoint(name string, lat, lon float64) {
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kml.points = append(kml.points, pointT{name: name, point: geojson.SimplePoint{X: lon, Y: lat}})
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}
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// Bytes returns the xml of the KML.
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func (kml *KML) Bytes() []byte {
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var buf bytes.Buffer
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buf.WriteString(`<?xml version="1.0" encoding="UTF-8"?>` + "\n")
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buf.WriteString(`<kml xmlns="http://www.opengis.net/kml/2.2">` + "\n")
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buf.WriteString(`<Document>` + "\n")
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buf.WriteString(`<Style id="yellow"><IconStyle><Icon><href>http://www.google.com/intl/en_us/mapfiles/ms/icons/yellow-dot.png</href></Icon></IconStyle></Style> ` + "\n")
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buf.WriteString(`<Style id="blue"><IconStyle><Icon><href>http://www.google.com/intl/en_us/mapfiles/ms/icons/blue-dot.png</href></Icon></IconStyle></Style> ` + "\n")
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for _, point := range kml.points {
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buf.WriteString(fmt.Sprintf(`<Placemark><styleUrl>#yellow</styleUrl><name>%s</name><Point><coordinates>%f,%f,0</coordinates></Point></Placemark>`+"\n", point.name, point.point.X, point.point.Y))
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}
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buf.WriteString(`</Document></kml>` + "\n")
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return buf.Bytes()
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}
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