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Old 21-11-2015, 01:53   #16
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Re: chart scale plugin

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Originally Posted by boat_alexandra View Post
The slider is in a separate window. So if you were to use alt+tab or click the map, then the keys would work normally. Now maybe it's better like you say to disable the arrow keys.
OK didn't realise about the Alt+Tab. Probably still less confusing if you disable the arrow keys.

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Otherwise it might be useful to make page-up and page-down move say 3 times the zoom of up and down.
Don't think this is a very good idea it wouldn't be intuitive for the user either.

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What about making it so when you click the slider at a position it jumps directly to there?
Much better idea, like google maps / earth etc. Users would be familiar with this.

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Alternately I could add a 1 second delay from when you change the slider to when it updates, so that you could have the chance to change it a few times before refresh. Not sure if this is a nice thing to do.
Don't like this. Introducing any delay loops always leads to other issues

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Yes, well I would sure like to make plugins able to register keys for commands so that a key on the keyboard could simply jump to the last scale.
Could OpenCPN have a routine where you could watch for keys that appeared in a table for example. It would make integration of many plugin features more seamless A sort of API for plugins.

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I will try with a button
Excellent sometimes simple is the best.

Peter
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Old 21-11-2015, 02:22   #17
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Re: chart scale plugin

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Why not integrating functions of the PI into the main UI?

There are plug-ins that are clearly enhancements or useful for a specific user group.

This one, the status line stuff or Watchdog are tools that are interesting for everybody.

Hubert
Yes I would agree with this. Peter
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Old 21-11-2015, 02:45   #18
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Re: chart scale plugin

Yes, well chart downloader and wmm recently got added as core plugins.
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Old 21-11-2015, 03:37   #19
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Re: chart scale plugin

I happen to like the page up page down idea. We use those for changing scale in our cad program. The keys aren't really usef.
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Old 21-11-2015, 03:38   #20
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Re: chart scale plugin

Enhance the plugin api for keys sensing and assigning?
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Old 21-11-2015, 03:45   #21
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Re: chart scale plugin

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I happen to like the page up page down idea. We use those for changing scale in our cad program. The keys aren't really usef.
Not every keyboard has page-up and page-down keys.

Gerhard
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Old 21-11-2015, 04:04   #22
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Re: chart scale plugin

Reasonable point Gerhard. Thanks for telling us.
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Old 21-11-2015, 08:02   #23
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Re: Chart scale plugin

I have made the enhancement to allow jumping scales possible.. only to find it reveals some serious rendering issues in opencpn. Anyway have fun.
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Old 21-11-2015, 20:28   #24
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Re: Chart scale plugin

Recompiled
To try this with Opencpn v4.1.1108
Opencpn Beta File Thingie rguser, rgpass
look for 4.1.1108 PI Win directory
chartscale_pi-0.2-ov4.1.1108-win32
Now has a last button.

Perhaps it could be a backup button with 2 stages?

also projections_pi-0.1-ov4.1.1108-win32
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Old 21-11-2015, 23:48   #25
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Re: Chart scale plugin

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I have made the enhancement to allow jumping scales possible.. only to find it reveals some serious rendering issues in opencpn. Anyway have fun.
Thanks Sean, it is looking really good.

Couple of little bugs.

1. I am not able to click on the extreme ends of the slider. It always goes to one jump in. You can get to the end using up/dn, lf/rt but not by clicking with the mouse.

2. Strange rendering. If one of the selections is at the end, or one in from the end of the slider and the other is somewhere in the middle. The chart corresponding to the middle selection is rendered with fuzzy text and lines. If you toggle any 2 selections not at the end (or one click in) the rendering is OK.

Comments

1. The arrow keys work fine, now I understand that it is a separate window you just have to click on the chart to reactivate chart moving. So all good.

2. It would be nice to have some reference labels on the slider ie. 0-12, the slider positioning is otherwise a bit vague for the user. If you are familiar with a particular area you may for example like to always use a 6 and 2 as your selections.

3. Without the title bar you cannot drag the slider about. Not a problem if you know. You can end up with the slider in the middle of the chart if title bar is switched off in preferences.

4. The title bar is a bit untidy "C-" when vertical you could add a couple of blank chars at the beginning of the label.

Suggestions

I really think we should consider making this part of OpenCPN core and simply switch on or off as an option.

There could even be an option to dock it at the end of the toolbar.

"L" could then be used as a hot key toggle.

Peter
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Old 22-11-2015, 04:50   #26
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Re: Chart scale plugin

Hit the "Last" button twice and it goes to the scale used two times ago. Might be a little complicated and not used?
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Old 22-11-2015, 05:11   #27
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Re: Chart scale plugin

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Hit the "Last" button twice and it goes to the scale used two times ago. Might be a little complicated and not used?
This is exactly what it is for. It enables to toggle back and forth between the current scale and the previous scale and back again.

MaxSea has a hot key to do this very useful.

Peter
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Old 22-11-2015, 05:19   #28
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Re: Chart scale plugin

Sorry found one more bug.

If you click on the LAST button before there are 2 scale selections.

Occurs
When you start O with slider bar on - O closes/crashes.
When you first enable the slider bar in Tools>Plugins.

I suspect that if there is no "previous" then the slider plugin ends up with an empty or invalid argument somewhere.

Peter
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Old 23-11-2015, 04:27   #29
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Re: Chart scale plugin

tried this plugin
Functionality to change the scale, I do not see it. Suffice standard zoom buttons.
The benefits can only see in a fast moving under a certain scale - Overview, General, Coastal, Approach, Harbour, Berthing - the scope of conformity in the attachment.
6 steps each of which must be in the active display name
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Old 23-11-2015, 04:58   #30
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Re: Chart scale plugin

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tried this plugin
Functionality to change the scale, I do not see it. Suffice standard zoom buttons.
Do you not see the slider?
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The benefits can only see in a fast moving under a certain scale - Overview, General, Coastal, Approach, Harbour, Berthing - the scope of conformity in the attachment.
6 steps each of which must be in the active display name
You want to render these names on the chart somewhere? Or make buttons you can click on each of them to set the scale?
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