The new universal boydsmaps web app is (finally) here!

bobpbx

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Oct 25, 2002
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Boyd, the old version had a button for Google Maps to come up at the current location. I used that a lot. For instance on the Walker Mansion thread, I wanted to drive (googlewise) to where others thought the mansion was. It was easy just opening that menu button on the left side. It may be there but it's eluding me.
 
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Boyd

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It's still there, just one extra click now. The menu bar has gotten very large and I didn't want to add three additional buttons to it, so the share button seemed like a logical place to put it. This, and many other things, are covered in the help file. :)

BTW, recently I used this function and it was opening Google Maps at the wrong location (not the same location I was viewing). It happened several times and I couldn't figure out what was going on, but didn't have the time to troubleshoot. I have been unable to reproduce this problem since then however. But if you experience something like this, please let me know.

share.png


Screen Shot 2022-02-14 at 10.30.08 AM.png
 
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Apr 6, 2004
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Dumb question.

I can't figure out how to post links to specific locations. I had no problem doing it last night, but now I'm at a loss. Not sure what I'm missing, but I bet it should be obvious.
 

Boyd

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Are you using the mobile or desktop version? You can just copy the link from the address bar in the desktop version, assuming everything is set to the default. The link preference menu item determines whether the current location is shown on the address bar, it defaults to enabled in the desktop version and disabled in the mobile version. Normally you should not change this

Screen Shot 2022-02-14 at 9.11.51 PM.png


Or you can just use the sharing menu mentioned in my response to Bob above. Just click the button to copy the link, this works in both the mobile and desktop versions.

screen-shot-2022-02-14-at-10-30-08-am-png.16764


Actually, I would encourage people to use that method unless they understand some of the subtleties of how the app handles links. The link in the sharing menu should always be a "clean" link, it will remove any facebook tracking info and fix a variety of other problems .
 
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Boyd

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To expand on that a bit.... if you share a link on facebook, they will insert a bunch of invasive tracking info into it. The link will still work, but when you share it elsewhere, then you are helping facebook track everybody that clicks it. Here's an example of what that might look like

Screen Shot 2022-02-14 at 8.59.37 PM.png


But if you use the sharing menu, it will "sanitize" the link to look like this

Screen Shot 2022-02-14 at 9.02.49 PM.png


And here's another example of a problem, if you add "www" to the sitename, the link will work however it will be treated like a completely different site with its own preferences and storage. So, it will ask what kind of device you're using, it won't recognize any of your favorites, waypoints, etc.

Screen Shot 2022-02-14 at 9.07.21 PM.png


Again, the sharing button will fix that.
 
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Boyd

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Are you actually using mobile mode on a computer? That will be a very poor experience. The first time you visit the site, the app will ask whether you're using a phone or computer (it defaults to a phone). Be sure to pick the correct option before proceeding. This preference will then be stored and won't need to be set again. The mobile (phone) option has bigger buttons and is designed for small screens, it will work on a computer but will be awkward and look terrible. The desktop version will be virtually unusable on a phone, with many things not fitting on the screen and buttons that are too small for your fingers. Also note that each device has its own preference, so there is no conflict with using a phone sometimes and a computer at other times.

So, really, you should never need to manually change this preference. But if you accidentally chose the wrong option, you can change it from the main menu on the mobile version, you may need to scroll the menu down to see it.

mobile.png


On the desktop version, it is in the preferences menu

desktop.png
 
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Boyd

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Looking ahead...

Here's what I'm currently working on. As mentioned elsewhere, server disk space has been greatly expanded to a total of 1.1 terabytes. To put that in perspective, the original boydsmaps online site used a total about 70 gigabytes of disk. The current site is around 150gb. So we now have room for 9x more data.

For starters, there will be a digital elevation model of the whole world at a nominal resolution of 30 meters from NASA's ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) satellite. The image below shows what I've already downloaded and processed. The source files are about 1.5 terabytes but the mapbox RGB format is very efficient and the resulting tiles are only about 28gb so far, around 5 millon map tiles. The finished map will have over 6 million tiles, 10x larger than anything I've made before!

I don't plan to make any maps from this data, it will be used to provide live elevation display on the map anywhere in the world and will replace the USGS elevation server here in the US. It's lower resolution (USGS is ~10 meters) however it's better suited to realtime display since it's locally-hosted. And I don't like using the USGS servers because they're intended to lookup a few points on a map, not provide realtime streaming display.

world.jpg


It's a slow process downloading this much data and processing it, had hoped to finish most of it this weekend, but NASA's servers seem to be down. :bang: Assuming that they come back online next week, this new data might be available in the boydsmaps app before the end of March.

While the NASA servers are down, I've started working on a new 1-meter LIDAR digital elevation model of the Mid-Atlantic region (see below). Have already downloaded about half of the Pennsylvania data and two-thirds New Jersey. Haven't yet researched availability of imagery for New York, Connecticut, Delaware and Maryland however.

mid-atl.jpg


I don't have a good handle on how large these finished files will be (again, it will be millions of tiles), so the final coverage area could change - could be smaller or even larger. When finished, this will be a full 3d map of the region - a huge project that will take a couple months. High resolution data from the LIDAR will also be used for realtime elevation display on all maps of New Jersey, a big upgrade from the USGS servers (1-meter LIDAR vs 10-meter legacy USGS).

There are other mapping projects planned for the future - such as expanded coverage for high-quality scans of historical topo maps - but that will depend on disk space... and time! Right now, I'm all about elevation data. :)
 
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TommyP

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Mar 30, 2022
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Thank you for sharing this rather amazing tool you’ve made. My iPad doesn’t have cellular. I’m going to try going through a hotspot. The precise GPS location likely won’t work, but my iPhone 8 screen is too tiny for these old eyes. I’ll let you know how well it works. It is great on Android, but I rarely have signal anywhere near Wharton (T-Mobile/Sprint).
 
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Boyd

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Thanks!

My iPad doesn’t have cellular. I’m going to try going through a hotspot.

A hotspot will work, I use one to test the app with an Android phone that doesn't have a data plan. However, the wifi iPads don't have a GPS chip, so it's not going to work even with a hotspot. But you could use the hotspot plus a bluetooth GPS device like the Garmin GLO that I mentioned earlier.

https://forums.njpinebarrens.com/th...-app-is-finally-here.13910/page-2#post-166925

I see that GPSCity has refurbished GLO2's for $90. Garmin-refurbished products have the same warranty as new.

 

Boyd

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Here's what I'm currently working on.

It's a slow process downloading this much data and processing it, had hoped to finish most of it this weekend, but NASA's servers seem to be down. Assuming that they come back online next week, this new data might be available in the boydsmaps app before the end of March.

Time for an update, since I obviously didn't meet the March deadline. Spent quite a lot of time downloading/processing over 3 terabytes of data from NASA, covering most of the world. I even had it all working on my server at home. But when I finally took stock of at what I'd created, it was about a 350gb map, and considering the cost of disk space, that was just too much. So, I scaled my ambitions way back and settled for just North America - here's the coverage. This will provide realtime elevation readout whenever you're within the boundaries, regardless of which map you're viewing.

astercoverage.png


Seemed like a shame to download all that data just for an elevation readout, so I made a black and white 3d terrain map. Didn't really care for that and trashed it. Next, I downloaded aerials for all of North America and made a 3d map of that. Again, didn't like it much. Was an odd patchwork of imagery with different colors from different seasons. Also wasn't quite clear on the copyright for some of the imagery outside the US. Ended up trashing that map too!

Finally settled on downloading landcover data - the National Landcover Database for the US and European Space Agency Worldcover for the rest of the continent. These datasets classify the landscape in broad categories such as decidous forest, coniferous forest, agriculture, etc. I created my own naturalistic color pallete based on these classifications and added some atmospheric effects. I like the simple style, a bit like a painting. It's a pretty low resolution map (level 12) but a fun way to explore the continent and loads quickly in 3d view. Here are a few examples...

Mount Washington

mtwashington.png


Salt Lake City

saltlake.png


The Shore and the Pines

shore.png


Even though it's done, I've decided to wait and roll it out in a huge update that will also include the new Mid Atlantic 3d LIDAR map. The updates cause issues with browser caches, so I want to keep them to a minimum.

Still working on the 3d LIDAR map but have made a lot of progress. Am shooting for a little larger map than originally planned (hope it fits on the server disk!). This is all full-resolution 1-meter (level 17) LIDAR imagery. For now, it will just be one black and white map (available in 2d and 3d versions). Here's the planned coverage (the area outlined in yellow is already completed). Whenever your map position is within this area, you will automatically get the very accurate LIDAR elevation readout (regardless of which map you're viewing).

midatlantic.png


Chimney Rock

chimneyrock.png


Delaware Water Gap

dwg.png


Anyway... that's a sneak peek at the coming attactions. Slow going with the LIDAR, the USGS imagery must be downloaded in little 10-kilometer tiles, have already processed somewhere around 3 terabytes - the yellow area is almost two million tiles. Not going to even give an ETA for this, although I'd like to get it done before we get too far into the summer, since there are so many distractions when the weather gets nice. :)
 
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