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Changed map tiling script to emit lower quality JPGs instead of PNGs.

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Changed tiler to emit 1:2 scale maps and 1:4 scale maps instead of 1:1
scale and 1:4 scale. Added location debugging on-click to the gmap.
This commit is contained in:
Gregory Shikhman 2009-07-20 23:16:20 +00:00
parent 0792d6ec39
commit 0a6f8bda0f
2 changed files with 36 additions and 21 deletions
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36
website/stats.wesnoth.org/map_tiler.py
View file

@ -1,22 +1,18 @@
import os,sys
import Image
TILEWIDTH=256
def multiple_256(n):
return n + (256 - (n%256))
def multiple_1024(n):
return n + (1024 - (n%1024))
#return closest multiple of k greater than n
def multiple_k(n,k):
return n + (k - (n%k));
for infile in sys.argv[1:]:
try:
im = Image.open(infile)
#generate 1:2 scale tiles
img_width = im.size[0]
img_height = im.size[1]
#pad width and height to the nearest multiples of 256
img_width_r = multiple_256(img_width)
img_height_r = multiple_256(img_height)
img_width_r = multiple_k(img_width,512)
img_height_r = multiple_k(img_height,512)
im_resized = Image.new(im.mode,(img_width_r,img_height_r))
im_resized.paste(im,(0,0,img_width,img_height))
@ -25,17 +21,18 @@ for infile in sys.argv[1:]:
width = im.size[0]
height = im.size[1]
filename_base = infile[0:len(infile)-3]
#generate fine zoom level, level 4
for i in range(0,width/256):
for j in range(0,height/256):
tile_src = im.crop((i*256,j*256,(i+1)*256,(j+1)*256))
tile_src.save("%s%d_%d_4.png" % (filename_base,i,j),"PNG")
for i in range(0,width/512):
for j in range(0,height/512):
tile_src = im.crop((i*512,j*512,(i+1)*512,(j+1)*512))
tile_src = tile_src.resize((256,256))
tile_src.MAXBLOCK = 1000000 #workaround for jpg output bug in PIL (see: http://mail.python.org/pipermail/image-sig/1999-August/000816.html)...
tile_src.save("%s%d_%d_4.jpg" % (filename_base,i,j),quality=70,optimize=True)
#pad width and height to the nearest multiples of 1024
#generate 1:4 scale tiles
img_width = im.size[0]
img_height = im.size[1]
img_width_r = multiple_1024(img_width)
img_height_r = multiple_1024(img_height)
img_width_r = multiple_k(img_width,1024)
img_height_r = multiple_k(img_height,1024)
im_resized = Image.new(im.mode,(img_width_r,img_height_r))
im_resized.paste(im,(0,0,img_width,img_height))
im = im_resized
@ -47,6 +44,7 @@ for infile in sys.argv[1:]:
for j in range(0,height/1024):
tile_src = im.crop((i*1024,j*1024,(i+1)*1024,(j+1)*1024))
tile_src = tile_src.resize((256,256))
tile_src.save("%s%d_%d_3.png" % (filename_base,i,j),"PNG")
tile_src.MAXBLOCK = 1000000 #workaround for jpg output bug in PIL (see: http://mail.python.org/pipermail/image-sig/1999-August/000816.html)...
tile_src.save("%s%d_%d_3.jpg" % (filename_base,i,j),quality=70,optimize=True)
except IOError:
print IOError

21
website/stats.wesnoth.org/wesstats/templates/killview.html
View file

@ -28,8 +28,8 @@
var minscale = 3;
var maxscale = 4;
var tilelayer = new GTileLayer(copyright,minscale,maxscale);
tilelayer.getTileUrl = function(tile,zoom) { return "/wesstats/images/test_map."+tile.x+"_"+tile.y+"_"+zoom+".png"; };
tilelayer.isPng = function() { return true; };
tilelayer.getTileUrl = function(tile,zoom) { return "/wesstats/images/test_map."+tile.x+"_"+tile.y+"_"+zoom+".jpg"; };
tilelayer.isPng = function() { return false; };
tilelayer.getOpacity = function() { return 1.0; };
var wmap_type = new GMapType( [tilelayer], new GMercatorProjection(18), "KillMap", {errorMessage:"No data"});
@ -37,6 +37,23 @@
var map = new GMap2(document.getElementById("map_canvas"),{mapTypes:[wmap_type],backgroundColor:"#000000"});
map.setCenter(new GLatLng(80, -135), 3, wmap_type);
map.addControl(new GLargeMapControl());
GEvent.addListener(map,"click", function(overlay,latlng) {
if (overlay) {
// ignore if we click on the info window
return;
}
var tileCoordinate = new GPoint();
var tilePoint = new GPoint();
var currentProjection = G_NORMAL_MAP.getProjection();
tilePoint = currentProjection.fromLatLngToPixel(latlng, map.getZoom());
tileCoordinate.x = Math.floor(tilePoint.x / 256);
tileCoordinate.y = Math.floor(tilePoint.y / 256);
var myHtml = "Latitude: " + latlng.lat() + "<br/>Longitude: " + latlng.lng() +
"<br/>The Tile Coordinate is:<br/> x: " + tileCoordinate.x +
"<br/> y: " + tileCoordinate.y + "<br/> at zoom level " + map.getZoom();
map.openInfoWindow(latlng, myHtml);
});
}
}
</script>