Format Waypointfiles Gartrip (*.wp):
Format of the Header:
17 Byte:
|
Text "GARtrip
waypoints"
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2 Byte:
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CC 00 (meaning
unknown, perhaps version information)
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2 Byte:
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number j of following
characters for the format definition (eg. 06 00 for "WGS-84")
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j Byte:
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format definition
(e.g. WGS-84)
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2 Byte:
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number k of following
characters for the display format for geographic data (eg. 0C 00
for "hddd.mm.mmm‘)
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k Byte:
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the display format
for geographic data (eg. 0C 00 for "hdd.mm.mmm‘ i.e. 68 64
64 64 B0 6D 6D 2E 6D 6D 6D 27)
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2 Byte:
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number m of following
characters for time zone (eg. 09 00)
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m Byte:
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time zone (e.g.
"+1 L3 L10" i.e. 2B 31 20 4C 33 20 4C 31 30) Meaning:
+1 = time shift, L3 last weekend of march beginning of summertime
L10 last weekend of october end of summertime
|
2 Byte
|
NN (00 00)
|
2 Byte:
|
number p of following
characters for waypointname of reference waypoint
|
p Byte
|
waypointname
of reference waypoit
|
4 Byte:
|
latitude, first
byte is LSB, information in minutes multiplied with 308B9(Hex) (to
get the minutes you have to divide the value by 198841(dez) of reference
waypoint
|
4 Byte:
|
Longitude, same
format as latitude of reference waypoint
|
4 Byte
|
NN (50 C3 00
00)
|
2 Byte:
|
number n of following
characters for the description of the file
|
n Byte:
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descripting text
|
Format of the Waypoint- data:
1 Byte:
|
"W" begin of
waypoint data
|
2 Byte:
|
number m of following
characters for waypointname
|
m Byte
|
waypointname
|
2 Byte
|
number n of following
characters for description of waypoint
|
n Byte
|
description of
waypoint
|
4 Byte:
|
latitude, first
byte is LSB, information in minutes multiplied with 308B9(Hex) (to
get the minutes you have to divide the value by 198841(dez)
|
4 Byte:
|
Longitude, same
format as latitude
|
1 Byte
|
Source of Data:
00 = PC, 01 = read, other = GPS
|
3 Byte:
|
same format as
in trackpoint data, but LSB is missing.
Add LSB = 00
then:
Time, first byte
is LSB, counts the seconds since 31.12.1989, 00:00:00 for GMT
eg. For VB:
tim = value / 24 / 3600 + 32873
+ 1 / 24
datum$ = FormatDateTime(tim, vbShortDate)
ClkTime$ = FormatDateTime(tim, vbLongTime)
|
2 Byte
|
Proximity, if
inactive 47 FE, otherwise multiple of 100 meters
|
1 Byte:
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Symbol
|
|
00
|
wapoint
|
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01
|
air Airport
|
06
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br Boat Ramp
|
07
|
bri Bridge
|
09
|
cmp Camp
|
34
|
sc Scenic (Photo)
|
xx
|
other symbols see symbol table
|
1 Byte:
|
display mode:
00 symbol + name, 01 = symbol only, 02 = symbol and description
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2 Byte:
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Height in meter,
first byte is LSB: eg: 0DD9(Hex) = 3545 m
|
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