Caboose

Urban exploration in Missouri
Willard
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Re: Caboose

Post by Willard »

Used to be an old Frisco wooden caboose on National just south of Chestnut Expy here in Springfield. It was on the property of the bulk oil station. It was torn down several years ago. I was sad about that because wooden railroad bodied cars stoped being manufactured around the 1910s.
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Grey
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Re: Caboose

Post by Grey »

I think the park in Monett has a Caboose in it as well.
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Nicotti
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Re: Caboose

Post by Nicotti »

Grey wrote:I think the park in Monett has a Caboose in it as well.
Holy Crap! Another person who suddenly posts after ages of silence!
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Re: Caboose

Post by gimpface »

PANIC! on the Titanic wrote: hey me too! Mostly LiDAR though. ArcGIS forever! No actually fuck ArcGIS.
So I was at the MO state archives the other day, and some researcher was telling me about LiDAR. He told me that it somehow "removes any light that was reflected off anything in the image" and basically shows you the foundations of buildings instead of the buildings themselves. Is this accurate? How the hell could it possibly work that way?
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PANIC! on the Titanic
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Re: Caboose

Post by PANIC! on the Titanic »

gimpface wrote:
PANIC! on the Titanic wrote: hey me too! Mostly LiDAR though. ArcGIS forever! No actually fuck ArcGIS.
So I was at the MO state archives the other day, and some researcher was telling me about LiDAR. He told me that it somehow "removes any light that was reflected off anything in the image" and basically shows you the foundations of buildings instead of the buildings themselves. Is this accurate? How the hell could it possibly work that way?
Well, he's kind of right. The lidar collection doesn't skip over the buildings or even collect foundation data. What it does is send out a wide beam of light (past the visible spectrum) that does in fact collect buildings and trees and everything on the surface.
Those collected points are then made into a point cloud (made of millions if not billions of points), in which each point is given a classification, based on if it was a building, concrete, tall trees, shorter shrubs, etc. For the bare topography (which is what he's talking about) every point that isn't bare earth can be removed. Some agencies, like FEMA or DOA might want vegetation data or flood plain data, so they might request just vegetation either high or short, for whatever given month. Usually leaf on is when veg. lidar will be collected, leaf off is best for bare earth so the light can get to the ground.

Underneath the buildings, the laser obviously couldn't see into basements and things, so a computer algorithm triangulates proper elevation based on the surrounding terrain and what you're left with is a basic outline of the building at ground elevation. But sometimes those kinds of algorithms go wrong, and that's where I come in.

I have to make sure that in the process of removing all man made structures (including roads, bridges, buildings, etc) that they are done correctly. Sometimes in place of a building you get a big deep hole or a big terraced mound. Sometimes bridges aren't removed. Sometimes water appears to float over the land. All these things I will make into an error report and send it back to the contractor who will fix it and send it back.

Basically, that's how LiDAR works.
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Re: Caboose

Post by PANIC! on the Titanic »

Willard wrote:Used to be an old Frisco wooden caboose on National just south of Chestnut Expy here in Springfield. It was on the property of the bulk oil station. It was torn down several years ago. I was sad about that because wooden railroad bodied cars stoped being manufactured around the 1910s.
Dang, I don't think I've ever seen a wooden caboose. That's pretty cool, I wonder how many are left sitting around in parks or museums?
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Grey
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Re: Caboose

Post by Grey »

It has only been about 2-3 years. That is not to long is it?
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Re: Caboose

Post by gimpface »

OK, that makes more sense.
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Nicotti
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Re: Caboose

Post by Nicotti »

Grey wrote:It has only been about 2-3 years. That is not to long is it?
Kinda
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Nicotti
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Re: Caboose

Post by Nicotti »

gimpface wrote:OK, that makes more sense.
lidar is awesome, you can use it to make 3-d maps for fly-throughs and such.
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GlassCurtain
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Re: Caboose

Post by GlassCurtain »

In Fayetteville, AR downtown there's a caboose and passenger car that's been converted into a bank:

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RE: Caboose

Post by construct_this »

Now we just need an engine to back up there and take the bank and their monies!
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Nicotti
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Re: Caboose

Post by Nicotti »

I heard they were robbed recently and they only got one blurry pic of the robbers.


Image
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Re: Caboose

Post by GlassCurtain »

Nicotti wrote:I heard they were robbed recently and they only got one blurry pic of the robbers.


Image
haha that doesn't look too recent. Well I guess this is Arkansas we're talking about...they're a little behind the times.
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Nicotti
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Re: Caboose

Post by Nicotti »

looks like the same caboose and car to me...
More online investigation than onsite exploration these days.

“My dear fellow, who will let you?”
“That’s not the point. The point is, who will stop me?”
-Ayn Rand
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