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Old 15-02-2012, 14:04   #1
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Boat Icon Too Small - Why ????

Hello dear friends, with the new version 2.6.1310 my boat appears very small, there is some reason or problem of my system?
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Old 15-02-2012, 14:17   #2
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Because !!!!

It's all explained in the release notes for 2.6.1310.
OpenCPN Version 2.6 Beta Build 1310

Thomas
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Old 15-02-2012, 15:31   #3
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Re: Why????

Algarve..

They've changed the own ship icon display to a much more cumbersome method,adding a new group of commands to the opencpn.ini file,which by the way does not work for me on Vista. I think this un-necessary feature should have been optional and not by default.

Why do you have a need for the exact mm size of your boats lenght and beam and various other adjustments? Navigating to your berth in the marina is by measure of eye anyway.

I thought OCPN was about simplicity and ease of use.

Tore
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Old 15-02-2012, 15:37   #4
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Re: Why????

I suppose the default should be larger..?
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Old 15-02-2012, 15:40   #5
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Re: Why????

ahaaa, become bit annoying with this and that ocpn, get something else then, for heavens sake.
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Old 18-02-2012, 12:27   #6
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Re: Why????

Quote:
Originally Posted by sinbad7 View Post
Algarve..

They've changed the own ship icon display to a much more cumbersome method,adding a new group of commands to the opencpn.ini file,which by the way does not work for me on Vista. I think this un-necessary feature should have been optional and not by default.

Why do you have a need for the exact mm size of your boats lenght and beam and various other adjustments? Navigating to your berth in the marina is by measure of eye anyway.

I thought OCPN was about simplicity and ease of use.

Tore
Hello, when the LCD is 2 meters away from the wheelhouse of the boat, the need for better visualization becomes very important, I think!
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Old 18-02-2012, 12:48   #7
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Re: Why????

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Originally Posted by idpnd View Post
I suppose the default should be larger..?
i've been fooling with this too. Definitely could be bigger. I have OwnshipMinMM=20 to size it pretty much back to what it was, for me.
but I think, it's going to be useful to be able to adjust it given all the screen resolution options out there.

Plug freeware best thing I've found specifically to figure what a millimeter really is on your screen is Wonderwebware Screen Ruler.
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Old 18-02-2012, 13:20   #8
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Re: Boat Icon Too Small - Why ????

Algarve..

Have no arguments against that,but then you just make your ownship icon larger by creating an icon in the normal way. Large commercial ships have a need to know exact measurement as well as the offset of their AIS antenna.

Personally,I have several vessel types and sizes in my UserIcons directory,even cars when I use OCPN for GPS navigation in cities.

Tore
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Old 06-03-2012, 21:50   #9
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Re: Boat Icon Too Small - Why ????

Tore/Happy et al...

Let me try to understand what is going on here.

The new config file parameter OwnshipMinMM should specify the actual size of the icon on the screen, in millimeters. Measured with a ruler by eye. If it does not work like that, its a bug.

The default is 10 mm, or just under 0.5 inches. This looks about the same as 2.5 does for me on my display. (1280 x 1024, 19")

Happy, do you actually see and use a 20 mm icon? And does 2.5 icon show as roughly 20 mm? Seems way big to me, almost one inch. What is your screen resolution and physical size?

Tore: Any usericons specified also are scaled to match the OwnshipMinMM parameter. You may wish to rebuild your icons to suit the new logic. Note that if you specify nothing for OwnshipMinMM, then the ownship icons will be about 10 mm tall on-screen, as will the standard ownship. Depending on you screen size and resolution, they may be larger or smaller than 2.5 images.

Algarve: Does this make sense to your observations?

Perhaps we should adjust the OwnshipMinMM default to 12 mm?

Comments?
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Old 07-03-2012, 01:24   #10
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Re: Boat Icon Too Small - Why ????

Dave,
Right now,I have 14mm..
The boat icon is 14mm by my calipers,so that works ok

This makes the original default ownship very near the same as it was in 2.5... which I personally like quite a lot as a size. My eyes are pretty good. 1x magnifiers for reading only.
This 15" screen is 1024x768 windows default 96dpi
but same for a 12" screen is fine.

10mm is too small.None of my charts are that good and it disappears into the chart at 10mm size. ...and yes, I have set ownship at 20mm because it is easy to see from cockpit, and certainly answers a complaint of "too small". Still, extending the size beyond an icons real size makes it blurry, too.

It's a bit of a Goldilocks thing. 14 mm is juuust right.
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Old 07-03-2012, 05:16   #11
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Re: Boat Icon Too Small - Why ????

My present settings for ownship in Vista Basic works fine for me:

OwnshipCOGPredictorMinutes=5
OwnshipLengthMeters=15
OwnshipBeamMeters=mm
OwnshipGPSOffsetY=yy
OwnshipGPSOffsetX=xx
OwnshipMinMM=15

Tore
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Old 15-03-2012, 08:37   #12
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Re: Boat Icon Too Small - Why ????

As mentioned in my earlier #11,the Ownship parameters entered was working fine for me.

In the new beta v. 2.6.1511 however,the ocpn.ini file gets overwritten by a default setting even although I added the missing:

OwnshipLengthMeters=15
OwnshipBeamMeters=mm
OwnshipGPSOffsetY=yy
OwnshipGPSOffsetX=xx
OwnshipMinMM=15

Having duly saved the updated opencpn.ini and restarted OCPN,the entered preference has been removed by a default setting?

Tore
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Old 15-03-2012, 10:48   #13
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Re: Boat Icon Too Small - Why ????

Are you using your own ownship? Try that.

PS you don't need the xx, yy or mm there. Blank works. I think they are in the helpfile to just to illustrate as placeholders ...
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Old 15-03-2012, 13:55   #14
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Re: Boat Icon Too Small - Why ????

oops-forgot to mention the ownship resize works ok on xp here and survives in the ini file on a restart

added : the default red one too.
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Old 16-03-2012, 02:25   #15
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Re: Boat Icon Too Small - Why ????

when I zoom-out - where is my ship - icon ?

the radar ring is set to 10 miles, when I zoom in to the next step , I see the own ship icon.
or has this always been like this ?

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