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Forum: OpenCPN

03-01-2018, 08:43

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

A grain of salt and call for cross checking -

comparing oeSENC/S-57 charts with GSHHS HiRes using some tracks.

GSHHS for Majorca, Cabrera and Columbretes are not correctly geo-referenced. About...

Forum: OpenCPN

30-12-2017, 06:31

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

I don't think this is location. Looks more like inverted areas. Land area represented as water and vice versa.
Comparing 3 & 4.

EDIT:

More: OpenGL On/Off makes the difference here.
With...

Forum: OpenCPN

30-12-2017, 03:36

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

Zooming in - scale on the last is 1:3200.

On the ARM system - how does that look like for you? Barcelona harbour area.

Forum: OpenCPN

29-12-2017, 07:34

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

Pavel...

this is Armbian desktop (= Xenial based with XFCE). Olimex A20 Micro.
libarchive-dev was not installed (how shall one know when pulling directly from opencpn.git?), libarchive13 - yes.
...

Forum: OpenCPN

29-12-2017, 05:14

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

On my ARM system it went to the standard /Chart directory and did not uncompress by itself.
Had to "tar" and copy it into the GSHHS folder manually.

Fetched from Github late last evening - and...

Forum: OpenCPN

28-12-2017, 23:10

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

Rick,

decompress the files.....

Hubert

Forum: OpenCPN

12-12-2017, 09:39

Replies: 60

GSHHS High Resolution Source - ZyGrib?

Views: 8,816

Posted By bcn

Re: GSHHS High Resolution Source - ZyGrib?

The GSHHG data do have a resolution of about 90m.

Some additional information about GSHHG and other (free & distributable) alternatives:

In any case some effort to bring these datasets into...

Showing results 1 to 7 of 7

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