From 87c68a91b15a704159e39f3c9c54c2bbe7d8e369 Mon Sep 17 00:00:00 2001
From: jclarke100 <jclarke_uk@yahoo.com>
Date: Mon, 19 Jan 2015 16:23:45 +0000
Subject: [PATCH] Added parameters

Added parameters
---
 ImportGPX.py | 41 +++++++++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 10 deletions(-)

diff --git a/ImportGPX.py b/ImportGPX.py
index edb9936..3b42767 100644
--- a/ImportGPX.py
+++ b/ImportGPX.py
@@ -4,25 +4,44 @@
 
 Generate linear density map of those lines to show where most tracks go.
 
-Paths hardcoded in script so needs changed first before running it.
+Parameters:
+    1 - Path to source folder of GPX files
+    2 - Target feature class to which data is appended
+    3 - Option to truncate target feature class before data load
 
+TODO:
 Could do with some error handling, create FGDB if it doesn't exist etc
 Also doesn't carry any attributes through from GPX, date/time would be good
 """
 
 import sys, arcpy, os
-## TODO Jim - PARAM
-gpxFolder = r"c:\stuff\python\gpx"
-target = r"c:\stuff\python\GPS.gdb\Tracks_1"
 
 def main():
 
-    print "Truncating %s..." % target
-    try:
-        arcpy.TruncateTable_management(target)
-    except:
-        print "Target not found or can't truncate"
-        sys.exit()
+    print "Script started"
+
+    gpxFolder = sys.argv[1]
+    target = sys.argv[2]
+    doTruncate = sys.argv[3]
+    ##gpxFolder = r"c:\stuff\python\gpx"
+    ##target = r"c:\stuff\python\GPS.gdb\Tracks_1"
+    ##doTruncate = False
+
+    if not os.path.isdir(gpxFolder):
+        print "No source folder found: " + gpxFolder
+        sys.exit(1)
+
+    if not arcpy.Exists(target):
+        print "No target found: " + target
+        sys.exit(1)
+
+    if doTruncate:
+        try:
+            print "Truncating %s..." % target
+            arcpy.TruncateTable_management(target)
+        except:
+            print "Target not found or can't truncate"
+            sys.exit()
 
     for f in os.listdir(gpxFolder):
         print "Processing file %s" % f
@@ -34,6 +53,8 @@ def main():
         arcpy.PointsToLine_management("in_memory\\track", "in_memory\\track_line")
 
         print "\tadd the new in_mem line to target feature class"
+        arcpy.AddMessage(f)
+        print("\t" + f)
         arcpy.Append_management("in_memory\\track_line", target, "NO_TEST")
 
         # Line density stuff todo - needs Spatial Analyst