import tatukgis_pdk as pdk

from PIL import Image

import io

# create an empty map

gis = pdk.TGIS_ViewerBmp(768, 1024)

sample_data = pdk.TGIS_Utils.GisSamplesDataDirDownload()

# open basemap raster

gis.Open(f"{sample_data}/World/VisibleEarth/world_8km.jpg")

# open vector layers and add to map

world_layer: pdk.TGIS_LayerVector = pdk.TGIS_Utils().GisCreateLayer(

"world", f"{sample_data}/World/WorldDCW/world.shp")

cities_layer: pdk.TGIS_LayerVector = pdk.TGIS_Utils().GisCreateLayer(

"cities", f"{sample_data}/World/WorldDCW/cities.shp")

gis.Add(world_layer)

gis.Add(cities_layer)

# switch raster to grayscale

raster: pdk.TGIS_LayerPixel = gis.Get("world_8km")

raster.Params.Pixel.GrayScale = True

raster.Params.Pixel.Brightness = 10

# simple polygon symbology

world_layer.Params.Area.PatternAsText = 'STOCK:TRANSPARENT'

world_layer.Params.Area.OutlineColor = pdk.TGIS_Color.FromString("#3c3351")

# advanced point symbology with multiple sections

cities_layer.MultipassRendering = True

cities_layer.Params.Marker.StyleAsText = "STOCK:CIRCLE"

cities_layer.Params.Marker.SizeAsText = "SIZE:10pt"

cities_layer.Params.Marker.Color = pdk.TGIS_Color.FromARGB(102, 243, 98, 98)

cities_layer.ParamsList.Add()

cities_layer.Params.Marker.SizeAsText = "SIZE:5pt"

cities_layer.Params.Marker.Color = pdk.TGIS_Color.FromARGB(204, 234, 188, 58)

# set World Robinson projection and zoom to South America

gis.SetCSByEPSG(102015)

gis.VisibleExtent = pdk.TGIS_Utils().GisExtent(-2500000, -3000000, 3000000, 5000000)

gis.InvalidateWholeMap()

img = Image.open(io.BytesIO(gis.GIS_Bitmap.AsPng()))

img.show()