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Old 25-09-2016, 17:37   #1
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OCPN 4.4.0 Not accepting official .kap/bsb maps

I have the official KAP/BSB maps of Norway.

The file names contain an underscore ( _ ) which is no longer accepted
by my OCPN v. 4.4.0 like this NW006_2.KAP

Changing the underscore to a full stop ( . ) fixes the problem.

The only thing is, I have SO many maps and hate to do the change manually.

Can that be fixed in the next version?

Sinbad8
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Old 25-09-2016, 19:50   #2
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

I'm using charts with names of the type you describe every day, without any problems. Please check what your opencpn log file says.
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Old 05-10-2016, 07:16   #3
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

The problem seems to be that the Norwegian official charts are supplied in different geo. formats, ´Polyconic´ which works ok, and ´Equidist Cylindrical´ which does not. Both formats are read by both Fugawi and SeaClear II.

Can this be fixed in the next version?
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Old 07-10-2016, 14:05   #4
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Looking at your two posts, I have difficulties following you.
Let's get some facts. Exactly which Norwegian charts are you talking about.
Chart numbers please! Or even better the actual files.

/Thomas
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Old 07-10-2016, 20:01   #5
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Hi Thomas.. My first assumption was wrong, the _ has nothing to do with it.

The problem is,the Norwegian ´Kystverket´official charts seem to use several different formats,one of which is the Equidist Cylindr

This chart format,to be exact chart nr. NW007.1.kap is Equidist Cylindr. and cannot be read by OpenCPN.

Unable to upload the KAP and BSB files here.


Tore
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Old 08-10-2016, 00:47   #6
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Hi Sinbad,

Can you give a link to this map? I cannot find it on the site you mention.

Philippe.
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Old 08-10-2016, 05:05   #7
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Quote:
Originally Posted by sinbad8 View Post
Hi Thomas.. My first assumption was wrong, the _ has nothing to do with it.

The problem is,the Norwegian ´Kystverket´official charts seem to use several different formats,one of which is the Equidist Cylindr

This chart format,to be exact chart nr. NW007.1.kap is Equidist Cylindr. and cannot be read by OpenCPN.

Unable to upload the KAP and BSB files here.


Tore
So, are we talking about this chart?
Click image for larger version

Name:	Norwegian7.png
Views:	34
Size:	299.4 KB
ID:	132524

Thomas
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Old 08-10-2016, 06:38   #8
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Morning Thomas and Philippe

The chart is an official chart not available from link except by purchase.
I sent a copy to Thomas yesterday,just remove the .jpg on both files.

It works fine on all other navigation progs,but not on OCPN.
According to the map description attached,it is in ´Cylindical´ format.
Most other charts are in Polyconic format.

I attach a screendump of the chart in question.

Tore
Attached Thumbnails
Click image for larger version

Name:	capture-20161008-092827.png
Views:	20
Size:	112.5 KB
ID:	132525   Click image for larger version

Name:	capture-20161008-092919.jpg
Views:	26
Size:	438.4 KB
ID:	132526  

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Old 08-10-2016, 06:54   #9
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Tore...
You should probably see a message in your logfile, saying the chart is not loaded because it uses an unknown projection. Given we can probably assume that "Gauss conformal" == "Transverse Mercator", all that's needed is to add the projection around https://github.com/OpenCPN/OpenCPN/b...timg.cpp#L1060
I would still need to see the chart (actually just it's header) or your logfile to be able to do it though as we need to know what exact value it has set for PR header.

Pavel
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Old 08-10-2016, 06:57   #10
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

But,you can produce the same chart here in .kap format using Paul´s GE2KAP

Here is the link: Kystinfo

There is an amazing number of possibilities if you look at all the chart formats at the bottom left of the page,even complete ENC´s and very detailed aerial photos you can overlay the maps.

All the maps are for some reason skewed 6º but the map area selector can also be moved around 360º to adjust. You can select map areas in A4, A2 and A3 formats. Only thing is,the final chart looks a little dull,not quit in focus.

Tore
Attached Thumbnails
Click image for larger version

Name:	capture-20161008-094652.jpg
Views:	17
Size:	407.2 KB
ID:	132527  
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Old 08-10-2016, 07:02   #11
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Tore...
This will not help us to fix the problem (Which is also probably resolved in newer editions of the chart as we can see on the picture Thomas posted), we need the info from your particular charts that are not displayed.
Unless I misunderstood you and the charts you are complaining about were not bought, but produced from the site you linked.

Pavel
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Old 08-10-2016, 07:03   #12
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Here is the map header:

!Copyright 2001, Maptech Inc. All Rights Reserved.
VER/2.00
BSB/NA=RISOR-ARENDAL,NU=NW007,RA=10418,8418,DU=254
KNP/SC=50000,GD=WGS84,PR=GAUSS CONFORMAL CYLINDRICAL
PP=9.10,PI=5.000,SP=,SK=0.0000000,TA=90.0000000,UN =METERS
SD=EQUINOCTIAL SPRING LOW WATER,DX=5.00,DY=5.00
CED/SE=2000,RE=01,ED=01/01/2000
OST/1
IFM/4
RGB/1,0,0,0
RGB/2,255,255,255
RGB/3,235,211,45
RGB/4,235,141,45
RGB/5,216,52,25
RGB/6,211,224,168
RGB/7,193,190,181
RGB/8,189,227,238
RGB/9,186,163,93
RGB/10,150,140,128
RGB/11,126,111,68
RGB/12,83,144,189
RGB/13,34,110,84
RGB/14,255,162,166
RGB/15,254,226,143
REF/1,2145,7361,58.4166666667,8.8333333333
REF/2,4080,7366,58.4166666667,9.0000000000
REF/3,6013,7367,58.4166666667,9.1666666667
REF/4,7948,7363,58.4166666667,9.3333333333
REF/5,2152,5509,58.5000000000,8.8333333333
REF/6,4083,5516,58.5000000000,9.0000000000
REF/7,6013,5517,58.5000000000,9.1666666667
REF/8,7942,5513,58.5000000000,9.3333333333
REF/9,2156,3661,58.5833333333,8.8333333333
REF/10,4088,3666,58.5833333333,9.0000000000
REF/11,6012,3667,58.5833333333,9.1666666667
REF/12,7937,3663,58.5833333333,9.3333333333
REF/13,2174,1813,58.6666666667,8.8333333333
REF/14,4091,1816,58.6666666667,9.0000000000
REF/15,6012,1819,58.6666666667,9.1666666667
PLY/1,58.3914945283,8.7001043788
PLY/2,58.7251938720,8.6997966088
PLY/3,58.7250666637,9.5082538155
PLY/4,58.3914822729,9.5081432115
DTM/0.000000,0.000000
CPH/0
WPX/2,1.2510869761e+005,3.1315739722e+004,-1.0777886407e+004,-1.0958233897e+001
-3.3395968897e+002,1.1815490630e+002
WPY/2,1.5303889541e+006,1.6405357252e+003,-3.0187885901e+004,-8.1877234794e+001
-2.5259746457e+000,6.8468149981e+001
PWX/2,8.6436142846e+000,8.6902519607e-005,8.4791632648e-007,7.1877571109e-012
-1.1231006542e-010,-2.0981328970e-011
PWY/2,5.8747886153e+001,2.9723551687e-007,-4.5115305910e-005,-2.7554924745e-011
3.0536970685e-013,6.2684701961e-012
ERR/1,0.5786629207,0.4144431935,0.0000190168,0.0000512 776
ERR/2,0.3276536178,0.0576711115,0.0000034653,0.0000282 767
ERR/3,1.3145649128,0.0189498516,0.0000002418,0.0001148 491
ERR/4,0.3479915109,0.3556939206,0.0000149608,0.0000305 475
ERR/5,0.3774849774,1.1579901783,0.0000518364,0.0000313 906
ERR/6,0.7648046871,0.4049784978,0.0000180233,0.0000663 937
ERR/7,0.7609151690,0.5166824421,0.0000230676,0.0000659 469
ERR/8,0.3658175807,0.1771216511,0.0000080319,0.0000335 945
ERR/9,4.4647333300,0.3186299233,0.0000151339,0.0003872 711
ERR/10,1.5609153922,0.0833184193,0.0000035381,0.000135 2393
ERR/11,0.1953548867,0.0634685062,0.0000029527,0.000016 5485
ERR/12,0.4385863082,0.2410093037,0.0000117490,0.000038 2317
ERR/13,3.0520079852,0.8443057159,0.0000367976,0.000266 6417
ERR/14,1.2840142745,1.5225596455,0.0000678555,0.000110 9689
ERR/15,1.0112457619,0.6593102612,0.0000301441,0.000089 9049
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Old 08-10-2016, 07:05   #13
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Pavel..

NO, this chart is original... year 2000 I think...

The thing is,Norway has a lot of charts to cover the enormous coastline,considering all the ´fjords´ and there will obviously be others,also in Cylindrical format.

I think a lot of us are using older charts,needing manual updating.


Tore
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Old 08-10-2016, 07:09   #14
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Aha! Now I understand.
It is not the question of "Equidist Cylindr" projection, which made no sense at all to me. Such a chart would be unusual and useless for navigation.

It's a "Gauss Conformal Cylindrical projection" according to the pic you attached. That is another name for "Transverse Mercator". Note that it says exactly that on the picture I attached earlier, which comes from an up to date edition of chart 7.
Obviously your charts are based on an earlier edition.

OpenCPN has no problems handling Transverse Mercator charts. I think that the problem lies in the .kap text header.
It should look like this:
Code:
PR=TRANSVERSE MERCATOR
but says something else. Hence OpenCPN does not recognize it.
That should be an easy fix.
For testing, just edit the header in a text or binary editor, and run "bsbfix" afterwards.
Thomas
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Old 08-10-2016, 07:22   #15
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Re: OCPN 4.4.0 Not accepting official .kap/bsb maps

Fixed in https://github.com/OpenCPN/OpenCPN/c...ec33a5a0976f94
Now let's just hope the HOs were no more creative in naming this same projection

Pavel
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