OZI MAP文件格式详解

OZI MAP文件格式详解

Map File Format

In the text below the lines in the map file are marked with a dot.

Only those parameters which can be modified/created by the user are described, parameters which are used for special cases are not described.

The lines in green are optional

The Map File

The lines are in the order they are in the map file.

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Header and Version of File

OziExplorer Map Data File Version 2.1

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Title of Map - any text string

Brisbane Region

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Link to map image file

D:\OziMaps\regional\south.ozf2 Can be 1 of 2 things

1 TIFF scale factor - redundant, no longer used and has been replaced by line below 1 ,Map Code, - only used for special types of maps - Note - cannot be modified by the user but must be there.

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Datum settings

WGS 84,, 0.0000, 0.0000,WGS 84 - Note - for normal maps only the datum in the first field is used the rest of the parameters are for datum shifts and there is normally no need for these to be modified by the user.

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Reserved fields, the lines must be there

Reserved 1 Reserved 2

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Magnetic Variation entry - degrees,minutes

Magnetic Variation,,,E

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Map Projection

Map Projection,Lambert Conformal Conic,PolyCal,No,AutoCalOnly,No,BSBUseWPX,Yes Parameters

Map Projection - must match the projection name used in OziExplorer PolyCal - the next parameter is Yes if Polynomial calibration is used and No if not AutoCalOnly - Yes if calibration cannot be adjusted by the user No if it can BSBUseWPX - For BSB images only, Yes if the calibration equations contained in the BSB file are used.

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Calibration points, there are always 30Only 9 points can be modified from within OziExplorer but OziExplorer will use the full 30 if they exist in the .map file.

Point01,xy, 494, 235,in, deg, 24, 0,S, 148, 0,E, grid, , , ,S Point02,xy, 4076, 238,in, deg, 24, 0,S, 154, 0,E, grid, , , ,S Point03,xy, 4011, 2854,in, deg, 28, 0,S, 154, 0,E, grid, , , ,S Point04,xy, 550, 2851,in, deg, 28, 0,S, 148, 0,E, grid, , , ,S Point05,xy, , ,in, deg, , ,S, , ,E, grid, , , ,S Point06,xy, , ,in, deg, , ,S, , ,E, grid, , , ,S ... Point30,xy, , ,in, deg, , ,N, , ,W, grid, , , ,N

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Projection setup parmeters, all on one line.

Projection Setup, 0.000000000, 152.000000000, 1.000000000, 2500000.00, 100000.00, -24.666667000, -27.333333000,,, Parameters

Latitude Origin Longitude Origin K Factor False Easting False Northing Latitude 1 Latitude 2 Height - used in the Vertical Near-Sided Perspective Projection Sat - not used Path - not used

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A marker line, it contains no information but is used as a file marker, must be there

Map Feature = MF ; Map Comment = MC These follow if they exist Map Features, there are 3 lines per feature

Line 1 Parameters

Number Name Latitude Longitude Show Format - not used Fore Color Back Color Symbol Name Create Waypoint Waypoint Name Format Type - internal use Line 2 - the link to the picture, if there is no picture a blank line must be thereLine 3 - the description of the feature, if no description the blank line must be there

MF, 1,MF 1 , -26.557302, 152.679007, 0, 16777215, 16711680, ,1,MF1 c:\pictures\photo5.jpg This is a good camping spot MF, 2,MF 7 , -26.713354, 153.249176, 0, 16777215, 16711680,Asterisk.bmp ,1,MF7 Map Comments, there are 2 lines per comment

Line 1 Parameters

Number Latitude Longitude Show Format - not used Fore Color Back Color Width Height Font Size Font Style Line 2 - The text for the comment

MC, 1, -26.572626, 152.512726, 0, 0, 65280, 68,20,6,0 Map Comment 1 MC, 2, -26.661532, 152.633450, 0, 0, 13158342, 182,82,13,1 Map Comment 2 This is a large map comment MC, 3, -26.659946, 152.634492, 0, 0, 13158342, 182,82,13,1 Map Comment 3 Attached file marker, .plt, .wpt, .evt, .pnt files can be included

Track File = TF These follow if they exist The attached files - not limited to just track files

TF,e:\GpsMap\Data\000_2.plt TF,e:\GpsMap\Data\aa_demo1.plt TF,e:\GpsMap\Data\000_test.plt TF,e:\GpsMap\Data\001_test.plt TF,e:\GpsMap\Data\aaa.pnt TF,e:\GpsMap\Data\names.pnt

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The Moving Map section marker

Moving Map Parameters = MM? These follow if they exist Use in Moving Map, if this parameter is set to No then the map will be excluded when looking for a new map to change to when using moving map mode. It does not affect other map find functions.

MM0,Yes Number of Map border points (corner markers)Only 4 points can be set graphically in OziExplorer but up to 100 points can be used when derived from other sources, such as importing BSB charts.

MMPNUM,4 The x, y pixel location of each border point, there must be an entry for each border point.These are used by OziExplorer as the map loads to determine the map border points.

MMPXY,1,494,234 MMPXY,2,4076,238 MMPXY,3,4012,2855 MMPXY,4,549,2852 The lat, lon position of each border point, there must be an entry for each border point.These values are used in the map find and moving map functions when looking for maps.If these values are not there then the map will never be found.If these values do not agree with the MMPXY points (after map calibration is applied) then map finding in moving map will not function correctly.These values will be overwritten by the calculated value from the above x, y points every time the map is saved.

MMPLL,1, 147.999332, -23.998496 MMPLL,2, 154.000701, -23.999946 MMPLL,3, 154.001025, -28.001546 MMPLL,4, 147.998983, -28.001469 The scale of the image meters/pixel, its calculated in the left / right image direction.It is calculated each time OziExplorer is run, the value in the file is used when searching for maps of "more detailed" scale.

MM1B,170.352987

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The lat/lon grid setup

LL Grid Setup LLGRID,No,10 Min,Yes,8421504,255,16711935,10 Min,16777215,8421504,9,1,Yes,x Parameters

LLGRID - identifier Grid On - Yes = display grid Grid spacing - number and unit Autoscale - Yes = autoscale on Degree line color Minute line color second line color label spacing - number and unit label fore color label back color label size label - show on all screens x - ignore The Other grid setup

Other Grid Setup GRGRID,No,10 Km,Yes,255,16711680,10 Km,16711680,16777215,9,1,Yes,Yes,No,x GRGRID - identifier Grid On - Yes = display grid Grid spacing - number and unit Autoscale - Yes = autoscale on Km line color Meter line color label spacing - number and unit label fore color label back color label size label - show on all screens Clip to neat line No meters shown in label ?? Show last 3 digits in label ?? x - ignore The position the map will display when it is opened

MOP,Map Open Position,3008,2324 The map image width and height - not used, just for information

IWH,Map Image Width/Height,4440,3590

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