Merge 8b6603c into 7488809

Manifest.toml

@@ -1 +1,51 @@
 # This file is machine-generated - editing it directly is not advised
+
+[[Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[BinaryProvider]]
+deps = ["Libdl", "SHA"]
+git-tree-sha1 = "c7361ce8a2129f20b0e05a89f7070820cfed6648"
+uuid = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
+version = "0.5.4"
+
+[[Distributed]]
+deps = ["Random", "Serialization", "Sockets"]
+uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
+
+[[InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+
+[[LightXML]]
+deps = ["BinaryProvider", "Libdl", "Test"]
+git-tree-sha1 = "aeec7a341652d47bc773475a42952fa78eccd7cc"
+uuid = "9c8b4983-aa76-5018-a973-4c85ecc9e179"
+version = "0.8.0"
+
+[[Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[Random]]
+deps = ["Serialization"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+
+[[Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[Test]]
+deps = ["Distributed", "InteractiveUtils", "Logging", "Random"]
+uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

Project.toml

@@ -3,6 +3,9 @@ uuid = "737ade88-6689-11e9-2266-a1567ed38d42"
 authors = ["Nikola Stoyanov <nstoyanov.92@gmail.com>"]
 version = "0.1.0"
 
+[deps]
+LightXML = "9c8b4983-aa76-5018-a973-4c85ecc9e179"
+
 [compat]
 julia = "1.0"
 

src/Polyline.jl

@@ -27,5 +27,6 @@ end
 
 include("encode.jl")
 include("decode.jl")
+include("loadGPX.jl")
 
 end # module

src/loadGPX.jl

@@ -0,0 +1,38 @@
+using LightXML
+
+export parseGPX, readGPX
+
+# Converts a file to XML Document.
+function readGPX(filename::String)
+    return parse_file(filename)
+end
+
+#= Converts a XMLDocument to array of longitude and latitude.
+
+Args:
+    gpxDoc(XMLDocument): XML document in GPX format.
+Returns
+    Array{Float64, 2}: GPS coordinates with longitude and latitude.
+=#
+function parseGPX(gpxDoc::XMLDocument)
+
+    gpxPath = Array{Float64, 2}
+    gpxLng = zeros(0)
+    gpxLon = zeros(0)
+
+    xroot = root(gpxDoc)
+    trk = get_elements_by_tagname(xroot, "trk")[1]
+    trkseg = get_elements_by_tagname(trk, "trkseg")[1]
+    trkpt = get_elements_by_tagname(trkseg, "trkpt")
+
+    for c in child_nodes(trkseg)
+        if is_elementnode(c)
+            ad = attributes_dict(XMLElement(c))
+
+            append!(gpxLng, parse(Float64, (ad["lat"])))
+            append!(gpxLon, parse(Float64, (ad["lon"])))
+        end
+    end
+
+    return cat(dims=2, gpxLng, gpxLon)
+end

test/runtests.jl

@@ -1,5 +1,6 @@
 using Polyline
 using Test
+using LightXML
 
 pointCurrent = Polyline.coordinate{Float64}(38.5, -120.2)
 precision = 10. ^5
@@ -34,3 +35,44 @@ end
     @test isequal(encodePolyline(gps_coord),
                   "_p~iF~ps|U_ulLnnqC_mqNvxq`@")
 end
+
+@testset "Read GPX" begin
+    gpxFile = """
+    <?xml version="1.0" encoding="UTF-8"?>
+    <gpx creator="StravaGPX" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd" version="1.1" xmlns="http://www.topografix.com/GPX/1/1" xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v1" xmlns:gpxx="http://www.garmin.com/xmlschemas/GpxExtensions/v3">
+     <metadata>
+      <time>2019-05-15T07:05:06Z</time>
+     </metadata>
+     <trk>
+      <name>Bridgewater canal - St Georges island</name>
+      <type>9</type>
+      <trkseg>
+       <trkpt lat="53.4717570" lon="-2.2640200">
+        <ele>29.2</ele>
+        <time>2019-05-15T07:05:06Z</time>
+        <extensions>
+         <gpxtpx:TrackPointExtension>
+          <gpxtpx:hr>76</gpxtpx:hr>
+          <gpxtpx:cad>0</gpxtpx:cad>
+         </gpxtpx:TrackPointExtension>
+        </extensions>
+       </trkpt>
+       <trkpt lat="53.4717570" lon="-2.2640200">
+        <ele>29.2</ele>
+        <time>2019-05-15T07:05:07Z</time>
+        <extensions>
+         <gpxtpx:TrackPointExtension>
+          <gpxtpx:hr>76</gpxtpx:hr>
+          <gpxtpx:cad>0</gpxtpx:cad>
+         </gpxtpx:TrackPointExtension>
+        </extensions>
+       </trkpt>
+      </trkseg>
+     </trk>
+    </gpx>"""
+
+    xDoc = parse_string(gpxFile)
+    gpxRoute = [53.4718 -2.26402; 53.4718 -2.26402]
+
+    @test gpxRoute ≈ parseGPX(xDoc) atol=0.0001
+end