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4 <head><title>GPXView - Geocaching with Maemo</title>
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9
10 <center><img src="images/gpxview.png"></center>
11
12 <h1>GPXView - Geocaching with Maemo</h1>
13
14 GPXView is a <a href="http://geocaching.com">geocaching</a>
15 application. Its main purpose is to work with <a
16 href="http://www.geocaching.com/pocket/">pocket queries</a> in GPX
17 format (hence the name GPXView). GPXView allows you to conveniently
18 read the information stored in these files and navigates you to
19 geocaches using your devices built-in GPS. GPXView features many
20 advanced features including full HTML rendered cache descriptions, GPS
21 based voice navigation and a built-in map viewer.<p>
22
23 <h2>Obtaining it</h2>
24
25 GPXView is available for three different plattforms:
26
27 <ul>
28 <li>Maemo4 (codenamed Chinook/Diablo) on Nokia N800 and N810
29 <li>Maemo5 (codenames Fremantle) on Nokia N900
30 <li>Desktop Linux
31 </ul>
32
33 The latest N810/N800 version is available from the
34 <a href="http://maemo.org/downloads/product/raw/OS2008/gpxview/?get_installfile">Nokia repositories</a>.<p>
35
36 <center><img src="images/maemo4.gif"><h5>GPXView on N810</h5></center>
37
38 The N900 version is available from the extras repository and can be
39 installed from the Navigation section in the Application Manager on
40 that device. However, since there's a review process involved in
41 getting software into the repective repositories and since the review
42 process for the N900 is rather slow, it may take some time for the
43 latest version to show up on your device.<p>
44
45 <center><img src="images/cachelist.gif"><h5>GPXView on N900</h5></center>
46
47 There is no pre-packaged version for the Linux desktop. In order to install
48 GPXView on a desktop PC you'll have to download the <a href="http://repository.maemo.org/extras-devel/pool/diablo/free/source/g/gpxview/">source code</a>
49 and compile and install it yourself.<p>
50
51 <center><img src="images/desktop.gif"><h5>GPXView on Ubuntu Linux</h5></center>
52
53 <h2>Getting started</h2>
54
55 GPXView comes ready-to-run and even includes some little "welcome"
56 demo file. You can use this to learn about the basic usage of GPXView and
57 check out the various program features.<p>
58
59 <center><img src="images/welcome.gif"><h5>First start of GPXView</h5></center>
60
61 However, to start hunting geocaches near your location you
62 need to get the appropriate pocket queries in GPX or LOC format either
63 from geocaching.com where you have to be a paying member to be allowed
64 to download them. Or you check free services. Sources known to work
65 with GPXView are:
66
67 <ul>
68 <li><a href="http://www.geocaching.com/pocket/">Pocket queries</a> from geocaching.com, available to paying customers only
69 <li>LOC files from geocaching.com are available for free, but contain very limited information only
70 <li>GPX files from <a href="http://www.opencaching.de/">Opencaching.de</a>
71 </ul>
72
73 <h3>Installing GPX files</h3>
74
75 Once you got your GPX files you might install them anywhere on your
76 device like e.g. the memory card on your N900. Files being downloaded
77 in ZIP format from geocaching.com can be left compressed. GPXView will
78 uncompress them automatically.<p>
79
80 <h3>The GPX list view</h3>
81
82 To import such files into GPXView you need to start GPXView and
83 and select "Import file" from the main menu. The GPX file will then
84 be included into the main screens list of GPX files. The following
85 session has two active GPX files and a closed one installed.<p>
86
87 <center><img src="images/gpxlist.gif"><h5>GPX list</h5></center>
88
89 These GPX list will be loaded whenever you restart GPXView. Since
90 these files may contain plenty caches, loading them may take a few
91 seconds. While loading you'll see a progress bar.<p>
92
93 <center><img src="images/loading.gif"><h5>Loading ...</h5></center>
94
95 You may wish to temporarily disable certain GPX files from this list
96 in order to speed up loading. In order to do so, just click the
97 <img src="images/delete.gif"> icon (on N800/N810 and desktop use the
98 Import->Close in the menu instead). A dialog will pop up to ask you
99 whether you want to remove that entry completely from the list or
100 whether you only want to close it.<p>
101
102 <center><img src="images/close_remove.gif"><h5>Close or Remove?</h5></center>
103
104 If you choose to close the file it will be displayed in "disabled" style
105 as visible in the GPX list screenshot above. These files will not be
106 opened at startup and thus don't affect the startup time of GPXView. The
107 containing cache files are not imported and are e.g. not found when using
108 the Search function and are not displayed on the map. To reenable a closed
109 entry just select it.<p>
110
111 <h2>Main Menu</h2>
112
113 The main menu can be reached from the main screen (and e.g. not
114 from the map screen). It exact contents vary with the state of the
115 main screen and e.g. some menu entries may only be visible if the
116 main screen is in "GPX list" mode.<p>
117
118 <center><img src="images/menu.gif"><h5>The main menu</h5></center>
119
120 <h3>Tools Menu</h3>
121
122 The tools submenu is reached via the main menu. It can be used
123 to invoke various geocaching related tools. The tools act as
124 if they were seperate programs but are tightly integrated into
125 GPXView and typically import or export data to or from GPXView.<p>
126
127 <center><img src="images/tools.gif"><h5>The tools submenu</h5></center>
128
129 <h4>Geomath</h4>
130
131 <center><img src="images/geomath.gif"><h5>The Geomath tool</h5></center>
132
133 The geomath tool allows very basic geocoordinate calculations.
134 Two coordinates can be entered into it as well as a distance and
135 a direction angle.<p>
136
137 Clicking the "Calculate" button calculates the distance between
138 the two given coordinates and projects the first coordinate (on the
139 screens left) by the given distance and direction. The resulting
140 projected coordinate is then be displayed in the bottom row.<p>
141
142 The resulting coordinate can be used within GPXView from the
143 coordinate selector tool using the geocalc icon
144 <img src="images/pos_geomath.png">. This icon also shows up in the map
145 if a valid geomath result is present.
146
147 <h5>Usage example: "Go 120m in 65&deg;" from the given start coordinate</h5>
148
149 The cache description tells you to walk a certain distance into a certain
150 direction from a given coordinate. First you select the caches main position
151 <img src="images/cache_type_traditional.png"> from the coordinate selector
152 tool <img src="images/pos_get.png">. The start coordinate should then be
153 displayed in the left column. Now enter the requested distance and direction
154 into the appropriate fields (on Maemo5 using the picker tools). When done
155 just click "Calculate" and the "projection" row will contain your target
156 coordinate. This coordinate can now be selected in the caches "goto" view
157 and is also being shown in the map. You can even re-select the projected
158 coordinate in the Geomath dialog for further processing and to e.g. walk
159 another distance in another direction.
160
161 <h4>Geotext</h4>
162
163 <center><img src="images/geotext.gif"><h5>The Geotext tool</h5></center>
164
165 The geotext tool allows two simple text operations often required to solve
166 a geocache. Many geocaches ask you to calculate the letter sum of a certain
167 text or word. Just enter this word into geotext and the character sum
168 is being displayed while you type. Another common operation is the "shift"
169 letters. If you shift the letter "a" by one you get the next letter "b" (and
170 "z" becomes "a" again). If you shift by two "a" becomes "c" and so on. This
171 is the so-called cesar encryption. A special case is a shift by 13. This
172 encryption of shifting letters by 13 is named rot13 and is for example used
173 on the geocaching.com website to encrypt hints and spoilers.
174
175 <h4>Precise Position</h4>
176
177 <center><img src="images/precise_position.gif">
178 <h5>The Precise Position tool</h5></center>
179
180 The Precise Position is more for the hider than for the seeker. It is
181 supposed to be used when standing still. It allows you to average the
182 current position over some longer period of time. The tool will also
183 show you graphically how far all the positions received so far are
184 apart to give you an impression how precise the position really
185 is. The more coordinates you get and the smaller the radius of the
186 circle containing them all is the more precise is the resulting
187 coordinate. You can then copy the resulting coordinate to the
188 clipboard for further processing in other applications.
189
190 <h4>GeoToad</h4>
191
192 GeoToad is not part of GPXView itself but has to be installed
193 seperately. GeoToad is written in the ruby language and as of this
194 writing has to be installed together with the ruby interpreter from
195 the extras-devel repository when using Maemo5.<p>
196
197 <a href="http://code.google.com/p/geotoad/">GeoToad</a> allows you to
198 download geocache information directly from the <a
199 href="http://www.geocaching.com/">geocaching.com website</a>. In order
200 to comply with the terms of that site, GeoToad intentionally runs
201 rather slow to prevent to overload that site with automated requests.<p>
202
203 To use GeoToad you first have to enter your account information (you
204 don't need a premioum account!), the location you want to get geocache
205 information from and the size of the area you are interested
206 in. Please, start with an area of ~1km (0.6 mi) radius. Otherwise the
207 download may take rather long. You also have to select a place to
208 store the resulting file. You can choose any location, but it's
209 preferred to use a memory card to save precious root file system space
210 on a mobile device like the N900.<p>
211
212 <center>
213 <img src="images/geotoad_setup.gif">
214 <h5>Setup of GeoToad</h5>
215 </center>
216
217 GeoToad is then invoked using the parameters you just entered.<p>
218
219 <center>
220 <img src="images/geotoad_run_1.gif">
221 <h5>Running GeoToad</h5>
222 </center>
223
224 After a few seconds the first information should be returned and
225 GeoToad starts reporting what it receives from geocaching.com.<p>
226
227 <center>
228 <img src="images/geotoad_run_2.gif">
229 <h5>Search results are coming in</h5>
230 </center>
231
232 Once geotoad is done it reports some statistics about its work and
233 GPXView tells you that the GeoToad job is done.<p>
234
235 <center>
236 <img src="images/geotoad_run_3.gif">
237 <h5>GeoToad download is done</h5>
238 </center>
239
240 You can now close the window and return to the main screen. You'll find that
241 the download has been added to the list of GPX files.<p>
242
243 <center>
244 <img src="images/geotoad_result_1.gif">
245 <h5>The resulting file</h5>
246 </center>
247
248 You can now use this file like any other GPX file you might have downloaded
249 from geocaching.com or similar sites.<p>
250
251 <center>
252 <img src="images/geotoad_result_2.gif">
253 <h5>Caches downloaded by GeoToad</h5>
254 </center>
255
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