OpenSeaMap-dev:Splitscreen

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Splitscreen-and-Menu-M.jpg

Mobile apps needs a split screen:

Chart at left side
Navigation data at right side

For an optimal workflow, we need a specific userfriendly "look and feel" for chart, nav data and menu.

Chart

Split screen left side, 80%

Navigation data

Split screen right side, 20%

Data from NMEA ship navigation by WLAN
(alternatively by internal GPS)

data prio Nav WPT en de remarks
BRG 1 x bearing Peilung zum Ziel
HDG 1 x heading Steuerkurs
COG 1 x course over ground Kurs über Grund
SOG 1 x speed over ground Geschwindigkeit über Grund
STW 1 x speed through water Geschwindigkeit durch Wasser
DBS 1 x depth below surface Tiefe unter Wasserspiegel alternative DBT, DBK, DEPTH
ETA 1 x estimated time of arrival Ankunftszeit s.a. ETE
XTE 1 x cross track error Kursabweichung [m]
VMG 1 x velocity made good Geschwindigkeit zum Ziel
ETE 2 x estimated time of elapsed Zeit bis Ankunft (Reisezeit) s.a. ETA
AWS 2 x apparent wind speed Scheinbare Windgescheindigkeit
AWA 2 x apparent wind angle Scheinbare Windrichtung
TWS 3 x true wind speed Windgeschwindigkeit wahr
TWA 3 x true wind angle Windrichtung wahr
SAT 3 x satellites in view sichtbare Satelliten
LOG 3 x status of NMEA-logging Betriebszustand des NMEA-Loggers ein / aus / ...
HDOP 4 x horizontal dilution of precision horizontale GPS-Genauigkeit
WPT BRG 4 x course to next waypoint Kurs bis nächster WP
DTW 4 x distance to next waypoint Distanz bis nächster WP
TTW 4 x time to next waypoint Zeit bis nächster WP

Ship position

Ship-cursor

A ship-cursor shows the position in the center of the chart.
When the ship is not in motion, the cursor switch to a standard-cursor (or to another colour).
Ship-cursor directed to the course.
Dashed line marks the stearing yourse (optional switch off/on).

Cursor

Rubberband-Cursor

Rubber band cursor from ship position
with crosshair-cursor
display of course and distance from ship position to cursor,
and coordinate of cursor (copy of coordinate to clipboard).

Measuring tool

1. set a starting point
2. move the crosshair-cursor (works like rubberband-cursor)
setting a target point keeps the line on the chart

Menu

Navi data

Menu button on bottom at left side corner
Context sensitive menu on left side
Context sensitive menu on bottom

Navigation

  • Splitscreen with chart and Navi-data
  • Search
  • Rubber band cursor with cursor context menu

Goto

  • Goto Cursor (virual Waypoint)
  • Goto Waypoint (from list)
  • use Route

Waypoints

  • set and name Waypoints
  • edit Waypoints
  • delete Waypoints

Route

  • set and name Routes
  • add Waypoints to Routes
  • set and name Waypoints
  • edit Routes
  • delete Routes

Settings

  • Units
dd,ddd° | dd°mm,m'
nm | km
UTC | local time
  • Path
for Maps
for NMEA-Logfiles
for Waypoints and Routes
  • Logger
on | off
start new file
  • Display
Navigation (which data to display)
Chart (North-up | Head-up)
Layers (AIS, Radar, Fish-Finder, etc)