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Cave Entrance Icons

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#1
Martin Gamache

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Anyone have any examples or suggestions of icons to symbolize cave entrances.

#2
natcase

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Anyone have any examples or suggestions of icons to symbolize cave entrances.

Is it at a scale where orientation is important? Or are you looking for a uniform spot symbol? I would think an acute angled triangle (or arrowhead without a stem) pointed down would work for the latter. Especially if it's an oblique view you're starting with.

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#3
Martin Gamache

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Anyone have any examples or suggestions of icons to symbolize cave entrances.

Is it at a scale where orientation is important? Or are you looking for a uniform spot symbol? I would think an acute angled triangle (or arrowhead without a stem) pointed down would work for the latter. Especially if it's an oblique view you're starting with.



It's important that the icon be intuitive, but orientation is not important. I'm trying to avoid confusion with our regular point of interest symbol. Scale is ~ 1:2.4M and the map is not very large. So ideally I need a small icon that will no overwhelm the map.


mg

#4
Charles Syrett

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How about a horizontal line with an arched line above and attached to it? Like a capital D, rotated 90 CCW, and with the horizontal line protruding a little on either side.

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Anyone have any examples or suggestions of icons to symbolize cave entrances.

Is it at a scale where orientation is important? Or are you looking for a uniform spot symbol? I would think an acute angled triangle (or arrowhead without a stem) pointed down would work for the latter. Especially if it's an oblique view you're starting with.



It's important that the icon be intuitive, but orientation is not important. I'm trying to avoid confusion with our regular point of interest symbol. Scale is ~ 1:2.4M and the map is not very large. So ideally I need a small icon that will no overwhelm the map.


mg



#5
Hans van der Maarel

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How about a horizontal line with an arched line above and attached to it? Like a capital D, rotated 90 CCW, and with the horizontal line protruding a little on either side.


I agree with Charles. Something like this:

Attached File  Picture_1.png   7.23KB   41 downloads
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#6
Charles Syrett

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Nice one, Hans. What I was visualizing also included the "floor".

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#7
Charles Syrett

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Or....depending on the look and feel of the rest of the graphics on the map, you could go for a more natural look.....

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#8
aug_aug

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If you're using ArcMap, there is a "caves" symbol set, however they aren't as appealing as the symbols above.

#9
dsl

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I know there are a set of standard cave mapping symbols...but they might just be for a map of the inside of the cave not just the mouth of the cave.

http://www.carto.net...res_english.pdf
http://www.missourim...tware_links.htm

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#10
Martin Gamache

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Thanks for all the replies and suggestions.

I had been using the rotated D shape on my drafts so far. I'm not sure where that one comes from but it's been around for a while. It does not, at least for me convey the meaning of cave however. both the Neumann and ESRI datasets seem to be geared towards internal cave mapping feature.

#11
razornole

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Hello MG,

It there anything wrong with the USGS standardized symbol of a "capital Y" with an elongated descender? Usually the opening/top of the Y is aligned on the same azimuth as the cave entrance. As a caver and a cartographer, that is the first thing that I look for on a map, at least if it is of a karst region.

kru
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Strabo 22AD

#12
margaret

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It does not, at least for me convey the meaning of cave however.


does this? :)

Attached File  aztec_cave.jpg   44.71KB   30 downloads

(Barbara E. Mundy, "Mesoamerican cartography," History of Cartography v2 bk 3)




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