Koldun/mapserver
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This commit is contained in:
NatureFreshMilk 2019-01-17 16:18:50 +01:00
parent af1e8142bc
commit 25ce5ed65a
1 changed files with 7 additions and 6 deletions
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13
tilerenderer/renderer.go
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@ -164,6 +164,13 @@ func (tr *TileRenderer) RenderImage(tc coords.TileCoords) (*image.NRGBA, error)
return nil, err
}
isEmpty := upperLeft == nil && upperRight == nil && lowerLeft == nil && lowerRight == nil
if isEmpty && (tc.Zoom == 12 || tc.Zoom == 11) {
//don't cache empty zoomed tiles
return nil, nil
}
img := image.NewNRGBA(
image.Rectangle{
image.Point{0, 0},
@ -196,12 +203,6 @@ func (tr *TileRenderer) RenderImage(tc coords.TileCoords) (*image.NRGBA, error)
png.Encode(buf, img)
}
isEmpty := upperLeft == nil && upperRight == nil && lowerLeft == nil && lowerRight == nil
if isEmpty && (tc.Zoom == 12 || tc.Zoom == 11 || tc.Zoom == 10) {
//don't cache empty zoomed tiles
return nil, nil
}
tile := tiledb.Tile{Pos: tc, Data: buf.Bytes(), Mtime: time.Now().Unix()}
tr.tdb.SetTile(&tile)