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1
Map Making Support / Re: Ontario Atlas Map
« Last post by AgentDBCooper on October 12, 2018, 03:48:16 AM »
Good idea..
2
General Discussion / Re: Unusual use for a GPS
« Last post by gnappi on October 11, 2018, 08:46:35 PM »
Well continue on your internet rant. Perhaps go outside and yell at the sky. It will do as much good.

There is no point in having two versions of the same map on a device so the old is deleted. It makes sense to everyone but you.

Well, I received a reply from Garmin's cartography department and apparently THEY feel it makes sense and asked for lat lon of a sample of locations that are missing.

Note in particular my comments to Garmin in bold below, I'm certain there are many others who have use for navigational waterway info, that YOU cant see?

Your "RANT" was completely uncalled for.

Thank you very much for your reply. It has taken me a while to
re-visit some bodies of water that I remember were on the original map
my 2009 (or so) generation Nuvi contained which had been useful for
locating and fishing bodies of water.

Note all of the bodies are navigable by small vessels (ramp launched,
no open sea access) up to 20 feet or so and these waterways are
maintained by the South Florida Water Management District.

The first three are in Palm Beach county, the last two are in Broward
county. Note these are only a very small sample of waterways that were
on my first Nuvi map that have disappeared.

I found that a recent OSM map did indeed have these waterways, which I
have been forced to use (they are not as well done as the maps from
Garmin) as I need the waterway information. The original Garmin map is
unknown as the coders wiped it from my Nuvi internal memory but the
current Garmin map is:

CN North America NT 2019.20

Perhaps this comment is purely anecdotal but I expect many fields like
State/county water management teams, Fish and Game stock personnel,
independent aquatic weed and fish stock control companies, and city
storm aquatic maintenance crews are now compelled to use google maps
in lieu of a GPS?
3
Map Making Support / Re: Ontario Atlas Map
« Last post by MojaveMan on October 11, 2018, 06:40:44 AM »
I have an eTrex20 (with the buttons torn off - man, that made me mad) and an Oregon 600.  With my penchant for Custom Maps, the 500 tile limit of the 600 is really nice.
If I were on the market today, I would probably consider the newer eTrex models - maybe a 20x or a Touch25 (few buttons to tear off).  I imagine with the smartphone being so prevalent, the dedicated hand-held GPS device will be a thing of the past soon...so I might grab me one before they disappear.
4
Map Making Support / Re: Ontario Atlas Map
« Last post by AgentDBCooper on October 11, 2018, 05:44:09 AM »
Nice. Perhaps I should just forget Google Maps and just go straight from Google Earth to my Garmin.

What device do you use? I'm out in the sticks all the time, and to be honest, I'm not sure if I would trust my Garmin Fenix 5x. I've never really gambled with using it. Garmin has been f***ing with the software so much, nothing feels consistent anymore. What do you think about the wearable stuff by Garmin?
5
Map Making Support / Re: Ontario Atlas Map
« Last post by MojaveMan on October 10, 2018, 11:11:33 AM »
Just the GPS.  All of my efforts have the end goal of a pretty map showing up in my trusty Garmin - I'm not a fan of using a smartphone as a GPS device in the back country - or any other country, for that matter :)
6
Map Making Support / Re: Ontario Atlas Map
« Last post by AgentDBCooper on October 10, 2018, 08:07:31 AM »
Do you use your maps on your smartphone? Using the Google Earth app? Or do you use it only on GPS device?
7
Map Making Support / Re: Ontario Atlas Map
« Last post by MojaveMan on October 09, 2018, 05:49:47 AM »
Sorry, I have no experience in using the Map web app with .kmz.  I only use Google Earth.
8
Map Making Support / Re: Ontario Atlas Map
« Last post by AgentDBCooper on October 09, 2018, 03:44:02 AM »
I'm a little bit confused about your statement that you made a .kmz and tried to load it into Google Earth.  Generally, you *make* the .kmz with google earth.  What are you creating the .kmz with?

Is tiling required in order to break the map down into the 1024x1024 resolution for Garmin devices?

Yes, the 1024x1024 tile is a Garmin "limitation".  Garmin used to have a page detailing these limitations, but for some reason I'm having trouble pulling it up at the moment.  You could google "Garmin Custom Map limitations" to read more.

The general idea is to follow these steps:
- find a map you like
- convert the map to .jpg and into the projection that GoogleEarth likes (this is where I have spent much time and effort)
- georeference the map by creating an Image Overlay in Google Earth (generally easy if your map has control points)
- export that image overlay as a .kmz
- use a "map tiler" to cut that image into a bunch of tiles that will automatically georeference each tile for you based on the larger image
- copy that "tiled" .kmz into your CustomMaps folder

I did provide you with a tiled .kmz in this thread, if you wanted to check it out.

I did find that many tilers were hosing my carefully crafted images (adding compression artifacts to the image), so be careful.

Sorry I wasn't very clear.

In Google Earth desktop, I imported the image as an overlay. Once I got it all aligned, I exported an KMZ file and then went into Google Map on Chrome, tried to create a custom map with this KMZ file, figured the overlay would appear. It doesn't. I get that error message I mentioned. I figured that I should just work between Google Earth and Google Maps. No? I haven't even begun the process of making it Garmin compatible.

Your instructions here will be helpful for sure. Just not sure why I can't load it into Google Maps, I can can view the overlay I added on my Android device.
9
Map Making Support / Re: Ontario Atlas Map
« Last post by MojaveMan on October 08, 2018, 06:45:14 AM »
I'm a little bit confused about your statement that you made a .kmz and tried to load it into Google Earth.  Generally, you *make* the .kmz with google earth.  What are you creating the .kmz with?

Is tiling required in order to break the map down into the 1024x1024 resolution for Garmin devices?

Yes, the 1024x1024 tile is a Garmin "limitation".  Garmin used to have a page detailing these limitations, but for some reason I'm having trouble pulling it up at the moment.  You could google "Garmin Custom Map limitations" to read more.

The general idea is to follow these steps:
- find a map you like
- convert the map to .jpg and into the projection that GoogleEarth likes (this is where I have spent much time and effort)
- georeference the map by creating an Image Overlay in Google Earth (generally easy if your map has control points)
- export that image overlay as a .kmz
- use a "map tiler" to cut that image into a bunch of tiles that will automatically georeference each tile for you based on the larger image
- copy that "tiled" .kmz into your CustomMaps folder

I did provide you with a tiled .kmz in this thread, if you wanted to check it out.

I did find that many tilers were hosing my carefully crafted images (adding compression artifacts to the image), so be careful.
10
Map Making Support / Re: Ontario Atlas Map
« Last post by AgentDBCooper on October 08, 2018, 04:41:14 AM »
Fuuuuuuuuuuuuuuuuuuu!

Took me forever to finally get the damn thing aligned nicely, saved a kmz and tried to make my own map in Google Maps, but it won't load the kmz file. "1 row couldn't be shown on the map". Do I have to tile it for Google Maps as well?

Is tiling required in order to break the map down into the 1024x1024 resolution for Garmin devices? What's the purpose of tiling? Is this essentially just cropping the image into smaller puzzle like pieces? Can I do this with Photoshop?
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