app tweaks

neural/Sensor.lua

@@ -72,7 +72,7 @@ local detail = UI.Page {
 
 local function getPoint()
 	local pt = { gps.locate() }
-	return {
+	return pt[1] and {
 		x = pt[1],
 		y = pt[2],
 		z = pt[3],
@@ -84,6 +84,10 @@ local function project(entities)
 		local pos = getPoint()
 		local pts = { }
 
+		if not pos then
+			return
+		end
+
 		if not offset then
 			offset = pos
 		end