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Old 20-10-2018, 15:58   #1
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Chart crossing 180 meridian does not display

I created a chart using GE2KAP that spans the 180 Meridian and it does not display on OpenCPN but the outline shows. The log does not show any errors for this chart. If I create a tif from the Kap is shows the data. Tried both OpenGL and with it off, restarted OpenCPN and still does not display.

Attached is: a screenshot of the OpenCPN showing the outline with waypoints showing the four reference point which are the same as the border points.

You can download the kap from this link:

https://www.dropbox.com/s/qa62i683vn...00018.kap?dl=0

OpenCPN V4.8.6

is this a bug?

Here is the BSB header and the OpenCPN log

BSB/NA=Cross_180_polygon_00018
NU=18,RA=1024,1024,DU=0
KNP/SC=6534,GD=WGS84,PR=MERCATOR,PP=-16.146
PI=UNKNOWN,SP=UNKNOWN,SK=0.0,TA=90.0
UN=Unknown,SD=
DX=2.38,DY=2.28
OST/1
REF/1,0,0,-16.1355389,179.994507
REF/2,0,1023,-16.156624,179.994507
REF/3,1023,1023,-16.156624,-179.983542
REF/4,1023,0,-16.1355389,-179.983542
PLY/1,-16.1355389,179.9945070
PLY/2,-16.1566240,179.9945070
PLY/3,-16.1566240,-179.9835420
PLY/4,-16.1355389,-179.9835420
DTM/0,0
CED/SE=2018-10-21T06:19:23,RE=01,ED=10/21/2018
CPH/180.0
WPX/2,-8.3884278922e+006,4.6603799371e+004,0.0000000000e+ 000,0.0000000000e+000
0.0000000000e+000,0.0000000000e+000
WPY/2,-7.8285881000e+005,0.0000000000e+000,-4.8517673618e+004,0.0000000000e+000
0.0000000000e+000,0.0000000000e+000
PWX/2,1.7999450700e+002,2.1457478006e-005,0.0000000000e+000,0.0000000000e+000
0.0000000000e+000,0.0000000000e+000
PWY/2,-1.6135538900e+001,0.0000000000e+000,-2.0611045943e-005,0.0000000000e+000
0.0000000000e+000,0.0000000000e+000
IFM/7
RGB/1,0,0,0
RGB/2,1,10,25
RGB/3,11,27,5
RGB/4,10,21,27
RGB/5,20,29,8
RGB/6,21,28,26
RGB/7,13,25,41
RGB/8,27,39,24

----------------------------
Log:


06:12:49: 2018-10-21
06:12:49: ------- Starting OpenCPN -------
06:12:49: Version 4.8.6 Build 2018-08-02
06:12:49: wxWidgets version: wxWidgets 3.0.2 Microsoft Windows NT 64 bit wxMSW
06:12:49: MemoryStatus: mem_total: 4021 mb, mem_initial: 13 mb
06:12:49: SData_Locn is C:\Program Files (x86)\OpenCPN\
06:12:49: PrivateDataDir is C:\ProgramData\opencpn\
06:12:49: Using existing Config_File: C:\ProgramData\opencpn\opencpn.ini
06:12:49: Switch InlandEcdis mode Off
06:12:49: Setting Viewpoint Lat/Lon -16.1448, -179.992
06:12:49: Setting Ownship Lat/Lon 44.0859, -77.5315
06:12:49: Styles loading from C:\Program Files (x86)\OpenCPN\uidata\styles.xml
06:12:49: No styles found at: C:\ProgramData\opencpn\
06:12:49: No styles found at: C:\ProgramData\opencpn\.opencpn\
06:12:49: Using SVG Icons
06:12:49: Detected display size (horizontal): 260 mm
06:12:49: Getting DefaultSystemLocale...
06:12:49: Found LanguageInfo for: English
06:12:49: System default Language: en_GB
06:12:49: Config file language: en_US
06:12:49: Adjusted App language: en_US
6:12:49 AM: Opencpn language load for: en_US
6:12:49 AM: Loading catalog for opencpn core.
6:12:49 AM: Getting DefaultSystemLocale...
6:12:49 AM: Found LanguageInfo for: English
6:12:49 AM: Opencpn language set to: en_US
6:12:49 AM: Creating MyFrame...size(952, 509) position(-8, -8)
6:12:49 AM: Creating glChartCanvas
6:12:49 AM: Metrics: m_display_size_mm: 260 wxDisplaySize: 1360:768
6:12:50 AM: OpenGL-> Renderer String: Intel(R) HD Graphics 520
6:12:50 AM: OpenGL-> Version reported: 4.5.0 - Build 24.20.100.6136
6:12:50 AM: OpenGL-> Detected Intel renderer, disabling stencil buffer
6:12:50 AM: OpenGL-> Texture rectangle format: de1
6:12:50 AM: OpenGL-> glGenerateMipmap unavailable
6:12:50 AM: OpenGL-> Detected Windows Intel renderer, disabling Vertexbuffer Objects
6:12:50 AM: OpenGL-> Vertexbuffer Objects unavailable
6:12:50 AM: OpenGL-> Using Framebuffer Objects
6:12:50 AM: OpenGL-> Using FBO Stencil buffer
6:12:50 AM: OpenGL-> Using Depth buffer clipping
6:12:50 AM: OpenGL-> Not Using compression
6:12:50 AM: OpenGL-> Minimum cartographic line width: 1.0
6:12:50 AM: OpenGL-> Minimum symbol line width: 1.0
6:12:50 AM: ChartDB Cache policy: Application target is 1024 MBytes
6:12:50 AM: Loading chart db version: V018
6:12:50 AM: Chartdb: Chart directory list follows
6:12:50 AM: Chart directory #0: C:\Charts_Testing
6:12:50 AM: Chart directory #1: C:\Charts_CM93
6:12:50 AM: Chart directory #2: C:\Charts_NOAA
6:12:50 AM: Chart directory #3: C:\Charts_GE2KAP
6:12:50 AM: Chart directory #4: C:\Charts_MBTiles
6:12:50 AM: GPS Watchdog Timeout is: 6 sec.
6:12:50 AM: Initializing Chart C:\Charts_Testing\Cross_180_polygon_00018.kap
6:12:50 AM: ChartSymbols loaded from C:\Program Files (x86)\OpenCPN\s57data\chartsymbols.xml
6:12:50 AM: Using s57data in C:\Program Files (x86)\OpenCPN\s57data
6:12:51 AM: Initializing Chart C:\Charts_CM93\
6:12:51 AM: CM93Composite Chart Root is C:\Charts_CM93\\
6:12:51 AM: Loaded CM93 Dictionary from C:\Charts_CM93\\
6:12:51 AM: Loading Tide/Current data source: C:\Program Files (x86)\OpenCPN\tcdata\HARMONIC.IDX
6:12:51 AM: OpenCPN Initialized in 1736 ms.
6:12:51 AM: Loading CM93 cell C:\Charts_CM93\\02100480/D/02190537.D
6:12:51 AM: Loading CM93 cell C:\Charts_CM93\\02100540/D/02190540.D
6:12:54 AM: DPMM: 5.23077 ScaleFactorExp: 1
6:12:54 AM: Looking for UserIcons at C:\ProgramData\opencpn\UserIcons
6:12:54 AM: Loading navobjects from navobj.xml
6:12:55 AM: Done loading navobjects
6:12:55 AM: Opening NMEA Datastream Serial:COM4
6:12:55 AM: PlugInManager searching for PlugIns in location C:\Program Files (x86)\OpenCPN\plugins
6:12:55 AM: PlugInManager: Loading PlugIn: C:\Program Files (x86)\OpenCPN\plugins\chartdldr_pi.dll
6:12:55 AM: C:\Program Files (x86)\OpenCPN\plugins\chartdldr_pi.dll
API Version detected: 113
PlugIn Version detected: 103
6:12:55 AM: chartdldr_pi: C:\Users\phigg\Documents\Charts
6:12:55 AM: chartdldr_pi: C:\Users\phigg\Documents\Charts
6:12:55 AM: PlugInManager: Loading PlugIn: C:\Program Files (x86)\OpenCPN\plugins\ge2kap_V16_pi.dll
6:12:55 AM: C:\Program Files (x86)\OpenCPN\plugins\ge2kap_V16_pi.dll
API Version detected: 107
PlugIn Version detected: 106
6:12:55 AM: [GE2KAP] Init Created new plugin window version:GE2KAP_PLUGIN_1.6
6:12:55 AM: PlugInManager: Loading PlugIn: C:\Program Files (x86)\OpenCPN\plugins\wmm_pi.dll
6:12:55 AM: C:\Program Files (x86)\OpenCPN\plugins\wmm_pi.dll
API Version detected: 108
PlugIn Version detected: 101
6:12:55 AM: WMM: WMM model data loaded from file C:\Program Files (x86)\OpenCPN\plugins\wmm_pi\data\/WMM.COF.
6:12:55 AM: Opencpn language load for: en_US
6:12:55 AM: Loading catalog for: opencpn-chartdldr_pi
6:12:55 AM: Loading catalog for: opencpn-ge2kap_pi
6:12:55 AM: Loading catalog for: opencpn-wmm_pi
6:12:55 AM: Loading catalog for opencpn core.
6:12:55 AM: Getting DefaultSystemLocale...
6:12:55 AM: Found LanguageInfo for: English
6:12:57 AM: NMEA input device initial open failed: COM4...GetLastError(): 2
6:12:57 AM: ***GPS Watchdog timeout at Lat:44.0859 Lon: -77.5315
6:12:59 AM: Loading World Chart Q=0 in 0 ms.
6:12:59 AM: Background world map loaded from GSHHS datafiles found in: C:\Program Files (x86)\OpenCPN\gshhs\
Attached Thumbnails
Click image for larger version

Name:	Cross_180_polygon_00018.jpg
Views:	78
Size:	192.3 KB
ID:	179330  
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Old 21-10-2018, 03:04   #2
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Re: Chart crossing 180 meridian does not display

The documentation ,https://opencpn.org/wiki/dokuwiki/do...p_and_kap_file says
Code:
If a chart  spans the 180th meridian => CPH/180.0, else => CPH/0.0
This no longer seems to be the case, because if I change
CPH/180.0 to CPH/0.0, in Cross_180_polygon_00018.kap, the chart shows.

On the other hand I have no problem with NZ1463801.kap that spans the 180th meridian an uses CPH/180.00000.

Thomas
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Old 21-10-2018, 15:53   #3
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Re: Chart crossing 180 meridian does not display

Hmmmm well is it a problem with OpenCPN? I could change the CPH/180.0 to CPH/0.0 but other navigation programs may depend on it being CPH/180.0.
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Old 28-10-2018, 03:09   #4
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Re: Chart crossing 180 meridian does not display

This problem is gone in the latest git (alpha) version 4.99.1024 (MUI branch).
So let's just keep an eye on this one through the upcoming version 5 beta tests.

Thomas
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Old 28-10-2018, 08:43   #5
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Re: Chart crossing 180 meridian does not display

OK thanks
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