image2tiles is a tool to cut large image into square tiles, to be used for a interactive tiled viewer.
There are many high-performant viewing of large image available，but cropping and slicing images may be trouble. image2tiles support custom tile size and creates all tiles to be used by map tool like leaflet, openlayers or Other.
You can download from GitHub releases.
For example download file:
- windows:
**_windows_x86_64.zip - maxOS x86:
**_darwin_x86_64.tar.gz - maxOS M1:
**_darwin_arm64.tar.gz
git clone https://github.com/lvisei/image2tiles
cd cmd/image2tiles && go install
image2tiles -f image.png -s 512Options flags:
image2tiles
Usage: image2tiles -f <filename> [-s] [-t] [-b] [-o]
Options:
-b string
The background color to be used for the tiles (default "#ffffff00")
-f string
Image filename to be convert
-o string
Output file pattern (default "out/%d/%d-%d.jpg")
-s int
The tile height/width (default 512)
go get github.com/lvisei/image2tilesImage into small single tile
package main
import (
"fmt"
"github.com/lvisei/image2tiles"
)
func main() {
converter := image2tiles.NewConverter()
if err := converter.Prepare("image.png", "#fff"); err != nil {
fmt.Println(err)
}
if img, err := converter.Tile(0, [2]int{256, 256}, [2]int{0, 0}, true); err!=nil {
fmt.Println(err)
}else {
image2tiles.SaveJPG("out/0-0-0.jpg", img, 75)
}
}Image into multiple small tiles
package main
import (
"fmt"
"github.com/lvisei/image2tiles"
)
func main() {
converter := image2tiles.NewConverter()
if err := converter.Prepare("image.png", "#00000000"); err != nil {
fmt.Println(err)
}
if err := converter.Execute([2]int{256, 256}, true, 75, "out/level-%d/%d-%d.jpg"); err != nil {
fmt.Println(err)
}
fmt.Println(converter.MaxZoom, converter.TileSize)
}