func layerGetter(ctx groupcache.Context, key string, dest groupcache.Sink) error {
m, err := fromKey(key)
if err != nil {
return err
}
land, err := m.nePolySVG(m.zoom, 0)
if err != nil {
return err
}
lakes, err := m.nePolySVG(m.zoom, 1)
if err != nil {
return err
}
l, err := m.labels()
if err != nil {
return err
}
var b bytes.Buffer
b.WriteString(fmt.Sprintf("<path fill=\"whitesmoke\" stroke-width=\"1\" stroke-linejoin=\"round\" stroke=\"lightslategrey\" d=\"%s\"/>", land))
b.WriteString(fmt.Sprintf("<path fill=\"azure\" stroke-width=\"1\" stroke=\"lightslategrey\" d=\"%s\"/>", lakes))
b.WriteString(labelsToSVG(l))
return dest.SetString(b.String())
}
func getter(ctx groupcache.Context, key string, dest groupcache.Sink) error {
resp, _ := http.Get(key)
defer resp.Body.Close()
body, _ := ioutil.ReadAll(resp.Body)
log.Printf("asking for %s from solr\n", key)
dest.SetString(string(body))
return nil
}
func lakeGetter(ctx groupcache.Context, key string, dest groupcache.Sink) error {
m, err := fromKey(key)
if err != nil {
return err
}
lakes, err := m.nePolySVG(m.zoom, 1)
if err != nil {
return err
}
return dest.SetString(lakes)
}
func layerGetter(ctx groupcache.Context, key string, dest groupcache.Sink) error {
m, err := fromKey(key)
if err != nil {
return err
}
land, err := m.nePolySVG(m.zoom, 0)
if err != nil {
return err
}
lakes, err := m.nePolySVG(m.zoom, 1)
if err != nil {
return err
}
stdDev := 4
coast := 10
if m.width > 150 {
stdDev = 10
coast = 30
}
l, err := m.labels()
if err != nil {
return err
}
var b bytes.Buffer
b.WriteString(fmt.Sprintf("<defs><filter id=\"f1\"><feGaussianBlur in=\"SourceGraphic\" stdDeviation=\"%d\" /></filter></defs>", stdDev))
b.WriteString(fmt.Sprintf("<path stroke-width=\"%d\" stroke-linejoin=\"round\" filter=\"url(#f1)\" stroke=\"azure\" d=\"%s\"/>", coast, land))
b.WriteString(fmt.Sprintf("<path fill=\"whitesmoke\" stroke-width=\"1\" stroke-linejoin=\"round\" stroke=\"lightslategrey\" d=\"%s\"/>", land))
b.WriteString(fmt.Sprintf("<path fill=\"azure\" stroke-width=\"1\" stroke=\"lightslategrey\" d=\"%s\"/>", lakes))
b.WriteString(labelsToSVG(l))
return dest.SetString(b.String())
}
