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Ulvain 108 points 3 years ago

Everything reminds me of her

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path: 0 5585198, hotness: undefined, score: 108, children: 1
No_Eponym 4 points 3 years ago

Giggity giggity!

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Deebster 96 points 3 years ago

I always found these very intuitive, but I don't know if that's just due to having an analytical mind, or just learning this stuff early. Do people struggle to understand topographic maps?

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DrMango 22 points 3 years ago

I think your analytical mind got "typographic" and "topographic" mixed up...

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Deebster 20 points 3 years ago

Ah, was it a typo or topo that got autocorrected? We'll never know (fixed, ta).

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stebo02 12 points 3 years ago

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EldritchFeminity 3 points 3 years ago

It gives a basic idea, but I think something like Cities:Skylines where you can create maps using a height map and then get the topography lines in a 3d space where you can actively shift the camera around to see them overlaid from any angle would probably help people grasp the idea.

Having said that, I'm now imagining drone footage overlaid with the height maps as an additional resource to standard topographical maps. Would be neat if somebody could create software that could calculate and overlay the height maps in real-time using the drone's altimeter or something.

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DAMunzy 5 points 3 years ago

In the Land Nav portion of PLDC (US Army training for becoming a Sergeant - is called something else now) there were soooooo many people that failed out/had to do it over again, that I was super worried when I did it. Seemed pretty damn easy to me. 🤷

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sixCats 78 points 3 years ago

Except all of the hills could be valleys, you need to see the numbers on the contours

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meyotch 36 points 3 years ago

If it were a local depression instead of a hill, the lines would be hatch-marked on the side pointing into to depression.

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BCsven 20 points 3 years ago

Do you have an example, I either never have seen this or never had a depression on a map

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misterdoctor 31 points 3 years ago

You want an example of local depression just swing by my place anytime

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HerbalGamer 6 points 3 years ago

heyoooo!

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path: 0 5583232 5585783 5588726 5590083 5593647, hotness: undefined, score: 6, children: 0
IlliteratiDomine 18 points 3 years ago

Here's a slide describing how depressions are represented, and here is a topographical map of a sinkhole showing the hashes.

That said, I had to look pretty hard for a map with those marks. Numbers are much more common.

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path: 0 5583232 5585783 5588726 5589772, hotness: undefined, score: 18, children: 1
BCsven 6 points 3 years ago

Ah, awesome. i appreciate you taking the time to put this together. I dont recall these on maps, but as you said numbers are common. And i typically use the topomap with shading, so shading helps with understanding the terrain

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Jessica 3 points 3 years ago

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BCsven 1 point 3 years ago

Awesome, thankyou

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meyotch 1 point 3 years ago

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sixCats 1 point 3 years ago

That’s interesting, ordinance survey (in the UK) don’t do that, so it isn’t a universal standard

In the UK, you have to notice that the heights are reducing

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JoShmoe 24 points 3 years ago

I was expecting boobs for the last one. They’re almost there too.

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Th4tGuyII 16 points 3 years ago

Imagine being down bad enough to get off on a topological map ...

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JoShmoe 8 points 3 years ago

Ok, what should I imagine next?

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samus12345 6 points 3 years ago

Yeah, very confusing to see an image like this that isn't a smart-ass meme.

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RatsOffToYa 5 points 3 years ago

Nature's boobs

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cygnus 4 points 3 years ago

The Grand Tetons are named after boobs (grands tétons is roughly "big tits" in French)

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Glimpythegoblin 22 points 3 years ago

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HerbalGamer 4 points 3 years ago

Thank you for your service o7

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JustMy2c 20 points 3 years ago

Boobies.

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Stretch2m 1 point 3 years ago

A couple of those remind me of a different part, from side-view.

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ubermeisters 17 points 3 years ago

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Rentlar 73 points 3 years ago

Have you considered the following?

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EuroNutellaMan 17 points 3 years ago

Number 3 is basically just my chair if it was soft like a sofa instead of wood

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Potatos_are_not_friends 4 points 3 years ago

Have you seen those chairs with butt imprints?

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Squirrel 16 points 3 years ago

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Pregnenolone 12 points 3 years ago

Depression contour lines are what I call my wrinkles

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Rentlar 4 points 3 years ago

I think this is the first time on Lemmy, where in a single thread I had simultaneously learned something interesting and educational and had laughed so hard, it is a rare occurence.

Thank you and @squirrel@thelemmy.club for that.

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funkless_eck 11 points 3 years ago

blows dust off old website

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DarkMessiah 6 points 3 years ago

First time I’ve seen that, really don’t think it should’ve been my first time. Thanks!

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sverit 2 points 3 years ago

Holy shit, that website looks like DOS Norton Commander

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ubermeisters 8 points 3 years ago

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sbv 5 points 3 years ago

why you gotta be like that

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gullible 12 points 3 years ago

I’ve always been curious about topographical maps that involve curved or hanging terrain and whether there’s a way to denote the existence of an area beneath. That’s obviously going to be irrelevant 99.9% of the time, but grade school curiosity rarely fades completely.

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meyotch 19 points 3 years ago

The rare overhang distinct enough to be captured in topography is i dicated by a brown dotted line in usgs maps

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Hikermick 3 points 3 years ago

TIL!

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finnspiration 10 points 3 years ago

I made an improved condensed version of this that still gets the point across drawn graphic a single lonely hill, below it another graphic of high hill with a smaller hill on the right side, below it graphic of two high standing hills beside each other, below it graphic of a high hill with another hill that has fallen and is flat

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Hikermick 6 points 3 years ago

Also it helps to look at water on the map. Water always runs downhill. Runs combine to form creeks, creeks combine to form rivers, rivers pour into oceans and lakes. Water gets bigger on its way downhill. The dead end is a spring, it flows downhill from there

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AgentGrimstone 5 points 3 years ago

For the second one, do you need that many rings? Would using less still be correct?

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nymwit 11 points 3 years ago

Depends on the rest of the map. These are usually set up so the rings mean a certain consistent difference in elevation, say 1ft of 10ft. You don't normally change the spacing partway through the map. If the intervals were 10ft and this was a 20ft peak then you'd obviously have fewer rings than if the intervals were 1ft.

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OceanSoap 10 points 3 years ago

The rings are elevation placements. Less would be "correct in that they'd still signify elevations, it's just less detailed.

For example, the widest ring might be an elevation of 2470ft while the smallest ring might be 2570ft. If there are no rings in between, it's still correct, you're just not getting very detailed. You could easily be looking at a perfect sloap on all sides, like a smooth cone. But place 9 rings in between at 10ft more of elevation each, you've got a much more detailed idea of how a mountain or hill is shaped.

So, correct, but not very useful.

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emptiestplace 2 points 3 years ago

Utility may be subjective, but sloap perfection is forever.

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Rai 1 point 3 years ago

“Fewer.”

rip stannus

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DreBeast 1 point 3 years ago

Throw some height in there and we'll have a real party going

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MonkderZweite 1 point 3 years ago

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