fix reverse coords bug

1 files changed, 3 insertions, 2 deletions

diff --git a/layers.py b/layers.py
index a85ded4..66dc888 100755
--- a/layers.py
+++ b/layers.py
@@ -25,13 +25,14 @@ class layer:
 			print "gps layer: failed to parse", file
 	def checkcoord(self,pos):
 		p=self.findpixel(pos)
+		#print "pixel:",p[0],p[1]
 		if p!=self.pixel:
 			self.pixel=p
 			return self.setcoord(p)
 		else:
 			return None
 	def findpixel(self,pos):
-		return (int((pos.lng-self.tl.lng)/self.pixsize.lng),int((pos.lat-self.br.lat)/self.pixsize.lat))
+		return (int((pos.lng-self.tl.lng)/self.pixsize.lng),int((self.tl.lat-pos.lat)/self.pixsize.lat))
 	def setcoord(self,pos):
 		"""to be overwritten:
 		gets a messages when values change"
@@ -73,7 +74,7 @@ class scalelayer(layer):
 	uses sub pixel position"""
 	def findpixel(self,pos):
 		#float version
-		return ((pos.lng-self.tl.lng)/self.pixsize.lng,(pos.lat-self.br.lat)/self.pixsize.lat)
+		return ((pos.lng-self.tl.lng)/self.pixsize.lng,(self.tl.lat-pos.lat)/self.pixsize.lat)
 	def setcommand(self,command):
 		self.command=command
 	def setcoord(self,pos):