Implement geocoding and reverse geocoding with tiger interpolation lines instead of points.

mytests/reverse_tiger_time.py

@@ -0,0 +1,31 @@
+import numpy as np
+import urllib2 as url
+import time
+
+def test(strUrl, iPoints):
+    #define bounding box for test
+    # sw: left-lower corner
+    sw_lng= -100.815
+    sw_lat= 46.789
+    # ne right-top corner
+    ne_lng= -100.717
+    ne_lat= 46.84
+    aXvalues = np.linspace(ne_lng, sw_lng, num=iPoints)
+    aYvalues = np.linspace(sw_lat, ne_lat, num=iPoints)
+    for x in aXvalues:
+        for y in aYvalues:
+            url.urlopen( strUrl % (y,x))
+
+strUrlLine = "http://localhost/nominatim/reverse.php?format=json&lat=%f&lon=%f"
+start_time_line=time.time()
+test(strUrlLine, 10)
+end_time_line=time.time()
+strUrlOld = "http://localhost/nominatim_old/reverse.php?format=json&lat=%f&lon=%f"
+start_time_old=time.time()
+test(strUrlOld, 10)
+end_time_old=time.time()
+print("Line: --- %s seconds ---" % (end_time_line-start_time_line))
+print("Old: --- %s seconds ---" % (end_time_old-start_time_old))
+
+#tested on 9th March 2016: Line: 354 seconds, Old: 363 seconds (with iPoints=100 => 10.000 single points)
+# Line: 3.586 sec, Old: 3.643 sec (witch iPoints=10 => 100 single points)