forked from MTSR/mapserver
78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package initialrenderer
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import (
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"mapserver/tilerenderer"
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"mapserver/layerconfig"
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"mapserver/coords"
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"github.com/sirupsen/logrus"
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"time"
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)
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func worker(tr *tilerenderer.TileRenderer, jobs <-chan coords.TileCoords){
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for coord := range(jobs){
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tr.Render(coord)
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}
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}
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func Render(tr *tilerenderer.TileRenderer,
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layers []layerconfig.Layer){
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start := time.Now()
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complete_count := 512*512
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current_count := 0
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jobs := make(chan coords.TileCoords, 100)
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go worker(tr, jobs)
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go worker(tr, jobs)
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go worker(tr, jobs)
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go worker(tr, jobs)
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for _, layer := range(layers) {
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//zoom 10 iterator
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for x := -255; x<256; x++ {
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for y := -255; y<256; y++ {
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tc := coords.NewTileCoords(x,y,10,layer.Id)
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jobs <- tc
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current_count++
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if time.Now().Sub(start).Seconds() > 2 {
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start = time.Now()
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progress := float64(current_count) / float64(complete_count) * 100
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fields := logrus.Fields{
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"x": x,
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"y": y,
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"progress%": progress,
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"layer": layer.Name,
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}
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logrus.WithFields(fields).Info("Initial render progress")
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}
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}
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}
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}
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close(jobs)
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}
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// zoom:1 == length=1
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// zoom:2 == length=2
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// zoom:3 == length=4
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// zoom:4 == length=8
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// zoom:5 == length=16
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// zoom:6 == length=32
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// zoom:7 == length=64
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// zoom:8 == length=128
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// zoom:9 == length=256
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// zoom:10 == length=512
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// zoom:11 == length=1024
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// zoom:12 == length=2048
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// zoom:13 == length=4096
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