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  1. #1
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    Default Known high contrast schemes?

    I have a Chinese 5" GPS on my motorcycle running IGO Prime 9.6.13.

    I really need a high contrast scheme that can be seen easily under the varying light conditions encountered on a motorcycle, and I envisage something like black on white, or black on bright yellow background etc. What is important is just where the road is going, and cross roads. I can neither read the road names or hear the voice whilst riding, but seeing my general context is important.

    Before i strt tinkering myself with color schemes, I figure someone else must have attempted this already. Any suggestions?

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  3. #2
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    Quote Originally Posted by TwoUpTourer View Post
    Before i start tinkering myself with color schemes, I figure someone else must have attempted this already. Any suggestions?
    Doesn't look like there are any high contrast schemes by the lack of response, so that brings me back to tinkering with the colours myself.

    I have downloaded from here the application for changing the colours manually - are any of you familiar with it? What I'd like to do is to make a copy of an existing scheme as a template, then change the background to black, and the roads to yellow, so that I get the highest contrast I can and hopefully be readable whilst riding.

    My look at the application is that it you need to know in advance which line in the code represents for example the background, otherwise it looks like guesswork, making changes and see what happens. This would be a slow way of doing it unless someone has had some experience with it.
    thanks!

  4. #3
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    Greetings,

    Try this one, yellow roads on a black background.
    Credit goes to the creator of the Optovizor-3 Night scheme.
    I just changed the colours of what I think is all the roads to yellow.
    Tested & works ok in Primo 9.6.5.275111, can be set as both day and night.
    Sometimes using a demographic/digital elevation model (.dem) file will override what's in a colour scheme, if you try this & don't get yellow roads on a black background try removing any .dem files.



    EDIT: forgot to mention the original color.ini file is inside the .zip if you want to try that, roads with it were a fluro green colour.
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    Last edited by JmaCWQ; 12th August 2016 at 06:23. Reason: More info

  5. #4
    Master JmaCWQ's Avatar
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    No probs, yell out if it's still hard to see & we'll try something else.
    I've noticed over the years the device's screen itself or sometimes the screen protector can make a big difference.
    I find the dark tinted screen protectors that claim to be anti-glare are good at night but useless during the day, great for viewing the reflection of your shoulder or the roof or something but I find them too dark to be able to see clearly with all the ambient light.
    Last new device I bought off flea-bay I ended up replacing the tinted protector it had with a clear one, much better for daytime usage.
    The old G-Series Navig[8]r devices have good screens easily visible during the daylight & even in direct sunlight.

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    Finally got to have a go at this. My Primo is V9.6.13, so I was pretty much expecting to find similarly named files to the ones you supplied buried in the directory structure, but there isn't
    For instance content.nng isn't there, but 'content.ids' is the closest. And no color.ini or similar.
    I dumped these files a bit hopefully into the root of Primo in the hope it might read them, but of course it didn't, so I'm going to need some idea where these files should go, and whether they are supposed to be substituted for existing files of the name that Primo is routinely expected to read.
    I'm quite IT literate but just not familiar enough with this OS to understand what its file structure is and how it reads it.
    thanks
    John

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    Got it!
    I was thinking I had to unzip the file first. Googled about and found the zip file had to be dumped into /Primo/Content/Scheme, and hey presto it works!

    Now to take the bike out for a ride and see if I can see it. Whatever happens, it will be a lot better than the pastel shades. You have really made my day!!!
    thanks
    John

    EDIT: Took it outside in the sun and for the first time it is quite readable - thanks!!!

    2nd EDIT: Went riding with it today, visibility is as good as it will ever get, which is great. Downside is some erraticness with the GPS positioning. After 15 minutes, I stopped and went to another color scheme and it picked up the position immediately, so I stopped again and changed back to Yellow and it worked, but not consistently, losing and then regaining its position. Towards the end I think it got better, but I'm not certain wheter it is reliable yet. You mentioned delting some .DEM files, but some I looked at are of significant size, appearing to be the main map of Australia, so before I go deleting anything, can you clarify what I should delete?
    Last edited by TwoUpTourer; 23rd August 2016 at 08:39. Reason: Updated info

  8. #7
    Master JmaCWQ's Avatar
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    G'day John,
    Yep you're right about not unzipping with scheme files, same goes with the skin files if you use a skin, they just go in the relevant folder inside the content folder.

    I have no idea why it's losing position on that scheme, as far as I know the scheme has nothing to do with the positioning side of things, and is only to display the colours you see on the map screen.
    Possibly remove the extra files you dumped in the root directory if you haven't already removed them, I've seen Primo occasionally do some strange things if files not supposed to be there are in the root directory.

    I don't think the .dem file is the problem as you're getting yellow roads on a black background as intended, that suggestion was only if you didn't see yellow roads with black background.
    I've tried to edit the colours of schemes in the past only to discover that the .dem file overrode the colour changes I'd made, removed the .dem file and the colours were as I wanted them, put it back again & the colours were overridden again.

    The .dem file is not the main map of Australia, any map file will have the extension .fbl and be in the map folder.
    The .dem file is only for eye-candy & shows you elevated areas, like if you're driving through a mountain range area it'll show you the mountains on the map in 3D mode as they appear in reality.
    Perhaps don't delete the .dem file but just rename the folder it's in to something else, like old_dem instead of dem.
    Then if it makes no difference to the problem, which I believe it won't, you can simply rename the old_dem folder back to dem to have a fully functional .dem file again.

    You could also try renaming the folder named Save in the root directory to something else, that'll reset Primo back to default settings & a new folder named save will be created at the first startup, you'll have to re-do any settings or preferences etc. you had set before, if doing that makes no difference to the problem delete the new Save folder & rename the old one back to Save again & Primo will be restored to how you had it before.

    If you need/want to edit something in those .zips don't extract-edit-rezip but instead use WinRAR (version 3.9 or earlier) to view inside the .zip, make the changes then save through WinRAR.
    Do any editing off the device on the computer & once edited replace the file/folder on the device by deleting the one there & pasting the new/edited one in it's place, don't overwrite.
    Always make a backup copy of everything before you start editing...that's very important as if something gets broken it's usually just a matter of replacing the files/folders with the backup of the originals to get things working again.

    Good luck.

  9. #8
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    Went for a long ride today, and as before, it could not initiate the GPS position, so I changed to a standard colour until it established position, which was pretty wonky for a while with the cursor being some distance away from the road. After that it was reliable all day, even after stop starting several times.

    It seems like something during bootup reads this file, hits some sort of error in the .ini file that interrupts that bootup, and a later initialising by another scheme allows it to get over that fail. Anyway, for now I have renamed the Save folder to see what effect it has.

    I compared the 2 .ini files, and see that the Yellow one has most colours zeroed out to 255,255,0 which I presume is black, and therefore everything except the roads. Do you know which line represents the roads? Is there an explanatory not anywhere that describes what feature each of those lines are?
    For example:-
    a="0_int", 255,255,0
    A="0_ext", 255,255,0
    d="0_int", 255,255,0
    D="0_ext", 255,255,0

    If there was one other thing I could mess about with, then that would be the cursor colour, just to see if I could produce a better contrast, probably lime green or pink etc.
    I'll post the outcome.
    cheers

  10. #9
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    The colour black is defined by 0,0,0.
    Sometimes in those schemes it might be a different R.G.B. number like 0,0,10 or something like that but it'll still appear black on a GPS screen even though it's slightly lighter than a true black.
    255,255,0 is the yellow colour that I changed the originals to which I guessed was the roads.
    In your example I think the a="0_int", 255,255,0 means the colour for the internal part of the road displayed and I think A="0_ext", 255,255,0 means the colour for the external part of the road as it's displayed.
    If you zoom right in with some schemes you'll see that as the road is displayed on the map it has a thin border line on each edge of it in a slightly different colour, stuffing around with online colour editors I was able to match some of the colours in the color.ini file with what I saw displayed on the map when I had Primo running, from there I just guessed at what was all the lines for the road colourings inside the color.ini file & changed them to yellow.

    There's no documentation of what each line in the scheme file means as far as I know, though sometimes if you view the color.ini files in some of the schemes you may find a few lines are actually commented to explain what they mean, though mostly they're not.
    The commented line will look something like this: Partition_area = 9, 60, 50, 40 ;colour for ground when no dem file in use
    You'll also see that some of the descriptions/names on each line are self explanitory though they don't always correspond with the map display, sometimes it depends on how the scheme was created & by who as to how the colours display on the map.

    If you do a side-by-side comparison of the two files opened in that scheme I uploaded (color.ini & color-orig.ini) you'll see what I changed.
    If you want to try the original unedited color.ini file from that scheme just delete the current color.ini file and rename the color-orig.ini to color.ini & save it, using WinRAR of course.
    Don't forget to make a backup copy of everything before you start editing/changing things.
    I've tested the original and the yellow scheme without any hassles, used it for day and night, offroad & onroad navigations & I haven't had any problems with it.

    Cursor being away from the road is nothing to do with the scheme as far as I know, that usually means either the device is getting poor satellite reception or having trouble getting enough satellites to get a good fix on your location so it shows the cursor where it believes you're located.
    Or you're actually off the road at the time and Primo's navigation is set to offroad mode.

    Are you seeing an error during bootup?
    Primo has to read the scheme/color.ini file during bootup so it knows what colour scheme to display on the map.
    If for some reason it can't read the last one saved at the last shutdown (save folder deleted etc.) it'll start with the default day scheme usually.

    I can also help you with the cursor colouring, I edited the one attached years ago so it has a lime green cursor when Primo is in night mode and a red cursor when it's in day mode.
    Only see those colours in 2D mode though, switch to 3D mode & it'll be the unedited becker default 3D cursor that gets used.
    That one goes in the content\car folder.
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  11. #10
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    Good tip about deleting the /Primo/Save folder as that is what fixed the GPS positioning issue!
    It went through the first time setup routine, and it picked up the satellites quickly. Now to fiddle with the other things you have suggested - thanks!

 

 
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