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Shade Map
- waterpowder 2mo agoIt reminds me of this nice website for when you want to have a drink in the sun at a terrasse in Paris :D https://jveuxdusoleil.fr/#16/48.8551/2.3479 https://jveuxdusoleil.fr/#16/48.8551/2.3479
- cactusplant7374 2mo agoThis is interesting. Have you used it to find a nice place to have a drink?
- waterpowder 2mo agoYes, although those days I tend to prefer places in the shade, or inside with AC...
- josters 2mo agoVery nice! I’ve built something similar for Berlin[1] which is based on a digital surface model to also accurately cast shadows from trees, hills and bushes. [1]: https://sunsit.io/ https://sunsit.io/
- 4corners4sides 2mo agoDoes this handle eclipses
- tppiotrowski 2mo agoNot specifically for eclipses but has been useful in finding places where the sun will be visible during the current eclipse since the eclipse will occur when the sun is quite low on the horizon.
- beezlewax 2mo agoI used this to check if I could see today's eclipse in Barcelona from my apartment buildings roof. Worked pretty well.
- utopcell 2mo agoIt doesn't. I went to Saragoza in Spain, at 8:30pm on August 12 to verify. Cool project nonetheless.
- illithid0 2mo agoThis is great. I would love a way to simulate something like possible tree placement and how much shade that may generate over the years. There are some parts of my area that are, despite being cut out of a forest, devoid of trees but are supposed to be "outdoor shared spaces". Full sun all day at a dog park in August, for example, just isn't a place I want to be.
- tppiotrowski 2mo agoSite maintainer here. There is a polygon drawing tool in the upper right corner of the map. You can use it to draw polygons on the map and assign them a height. The shadows will update instantly. You can use it to add buildings that are missing from the map, simulate a tree placement or even simulate cutting down a tree if you set the height to 0.
- illithid0 2mo agoWow! Can't believe I missed this. Thank you.
- pavon 2mo agoBe sure to check out the different layers. In addition to the default which shows shade at a given moment, there are also options for hours of sun in given day, and an a UI to quickly show shade at any day/time of year.
- foco_tubi 2mo agoThis doesn't look particularly accurate, at least not relative to what I can see right now out my window.
- tppiotrowski 2mo agoWebsite creator/maintainer here. Happy to try and diagnose the error if you elaborate on what the discrepancy is (tree, building, hill, etc)...
- foco_tubi 2mo agoHi there! My office window faces east and this morning, your map showed shade from the building across the street (correct), as well as shade from my building on the lawn below my window (incorrect).
- tppiotrowski 2mo agoThanks for the reply. Do you have a tree or bush outside your window? I estimate where tree shadows fall but it's not super accurate. In the settings dialog you can toggle, "below canopy", "above canopy" or disable tree shadows altogether.
- deckar01 2mo agoTrees should not cast shadows as if their foliage extends all the way to the ground.
- tppiotrowski 2mo agoAgreed. From current data it's not possible to know the type of tree, only their locations so the model is simplified.
- allthetime 2mo agohttps://app.shadowmap.org https://app.shadowmap.org Has has existed for many years
- jborichevskiy 2mo agoI've wanted something like this - in Boulder the foothills cast a shadow on the town considerably earlier than sunset provided by weather apps. So in theory, this should be possible to figure out when a park will actually see a sunset. Nice work!
- stilldavid 2mo agoOne of my favorite apps is PeakFinder, it shows local topography in an AR style UI. It also shows where and when the sun will set given the mountains around you! Well worth the few bucks.
- dewey 2mo agoAgreed! It's one of these apps (Similar to Flightradar) that just feel like a great use of technology and add a little bit of joy.
- jborichevskiy 2mo agoDefinitely one of my favorites too! In my experience though it's best used at the location you're expecting the sunset, tricky to see when a specific point elsewhere will have their sunset (it may have changed though, I should check this)
- culebron21 2mo agoI see only a grey rectangle and a hand cursor.
- tppiotrowski 2mo agoThe map likely geolocated you somewhere without buildings (or maybe in the ocean) and where it is the middle of the night (so everything is in shadow). Try this link which shows the shadows at the Space Needle in Seattle WA today at 5pm: https://shademap.app/@47.61991,-122.34913,15.43536z,1786579222455t,0b,0p,0m https://shademap.app/@47.61991,-122.34913,15.43536z,17865792... Or look at the shadows of the Alps at sunrise: https://shademap.app/@45.46158,6.45036,7.47555z,1786337482455t,0b,0p,0m https://shademap.app/@45.46158,6.45036,7.47555z,178633748245...
- culebron21 2mo agoApparently the server was overloaded, and I didn't see my area. Now it works. https://shademap.app/@43.22319,76.93616,12.00576z,1786337482455t,0b,0p,0m!1786336187617!1786387926988 https://shademap.app/@43.22319,76.93616,12.00576z,1786337482...
- soizi 2mo agohttps://jveuxdusoleil.fr/#16/48.8551/2.3479 https://jveuxdusoleil.fr/#16/48.8551/2.3479 it exists since many years with this French website
- cadamsdotcom 2mo agoHad a quick go of it on mobile. That version has major UX issues unfortunately.
- mplanchard 2mo agoHa! A friend and I had this idea ages ago when living in Austin. I actually have the domain “walkdarkly.com” registered for it, in case I ever got around to it. If somebody actually doing something with it wants the domain, I’m happy to talk about transferring it
- schobi 2mo agoThis hints at a hiking trip planner maybe? Depending on time of day and year evaluate a path to be in the direct sun/shade? In summer, I might want to avoid the direct sun. Suggest the hiking path with least direct sunshine. And if it is autumn already, then please suggest a hiking path to be in the sun all day. Might be a cool feature to compare hiking paths by percentage of direct sunshine. But maybe, selecting a path through a forest vs. across open fields might already do.
- buildsjets 2mo ago[dead]
- km3r 2mo agoMy friends and I used this for a camping party's solar panel's placement (for charging a battery). A large campsite with intermixed trees makes it hard to find the optimal spot on our own, but this map helped us keep the party going late into the night before we needed to turn on the generator.
- tppiotrowski 2mo agoNice. I'm really proud of how fast the annual sunlight calculation is for a location but it def needs better UX.
- madaxe_again 2mo agoAnd I for placing a permanent solar array - I live in a deep, steep valley with a broad range of topography, and it helped me find an optimal spot for year-round balance of shade.
- deleted 2mo ago[deleted]
- andybak 2mo agoAccording to this my garden is almost entirely in the shade but I have a suntan to disprove it.
- procflora 2mo agoI've seen and loved this before but only today I thought to zoom all the way out and see the true terminator affected by elevation. We usually only seen the idealized smooth curve. Very neat!
- tonym128 2mo agoThis is so awesome, really really well done on the UI and UX. I love the game like pixel perfect shadow maps. I made a similar site last year - https://tonym128.github.io/peakylight/peakylight.html https://tonym128.github.io/peakylight/peakylight.html and used ray casting
- tppiotrowski 2mo agoThe cloud effect is really nice!
- echoangle 2mo agoI don’t know if the building data is from OSM but some of the buildings in my area are not high enough at all and therefore only make a really small shadow. It’s off by a factor of 3 or so.
- tppiotrowski 2mo agoBuilding data comes from OvertureMaps data which is a superset of OSM. I update the building data set each month so if you make changes in OSM they should show up on ShadeMap at latest 30 days later.
- nullhole 2mo agoFactor of 3 sounds like a feet-metres unit error
- deleted 2mo ago[deleted]
- siriusastrebe 2mo agohttps://en.wikipedia.org/wiki/Manhattanhenge https://en.wikipedia.org/wiki/Manhattanhenge There a street in Manhattan that, during a certain time of year the light shines all the way down the grid of buildings. Here's the link to that moment https://shademap.app/@40.7426,-73.9841,13.48594z,1783987546807t,0b,0p,0m https://shademap.app/@40.7426,-73.9841,13.48594z,17839875468...
- quietly_pep 2mo agoShameless plug: been working on https://www.streethenge.com https://www.streethenge.com for sometime. You type in a street and it shows whether the sun ever aligns with it at sunrise or sunset, and when (date, time, compass bearing). Works with the moon as well. Here's the page for Manhattanhenge: https://www.streethenge.com/henge/new-york https://www.streethenge.com/henge/new-york It works for any street, and there's an add to calendar button for the next alignment. One warning: street lookups go through public OSM APIs, so the occasional query can time out due to api limits. I haven't figured out what to do about that yet without exponentially increasing the size of the app.
- Freak_NL 2mo agoThis tool uses OpenStreetMap data for the buildings and base layer. Unfortunately, it kind of hides that it is doing that, which sucks. Usually the required attribution is placed in a corner of the map. Shade Map has a little information-i there which does appear to list OpenStreetMap according to my browser's dev-tools, but it seems to be broken and gets hidden behind other page elements, so only '© Shade Map |' is visible.
- sam_lowry_ 2mo ago@tppiotrowzki commenting everywhere but not here ;-/
- efilife 2mo agoPossibly didn't have the time to comment on this yet. Last comment is from 10h ago
- LightBug1 2mo agoYou throwing shade? ^
- pbarondadditude 2mo ago[dead]
- k3liutZu 2mo agoThis is very cool
- scrumper 2mo agoCurious how it knows my location despite Safari not prompting and no location services indicator in my menu bar. (Mac, not iOS). I'm not suggesting anything nefarious but it is odd. Nice app/service though well done.
- wongarsu 2mo agoBased on the location I got it guesses the location from the IP. The accuracy of that varies wildly by country and ISP. The US is a place where it is usually accurate to the city level
- scrumper 2mo agoAha thanks. I'm using a different computer and I mistakenly thought I had Private Relay switched on; it's not enabled on this machine. Turning it on gives expected results. Needed the IP reminder to figure that out!
- toasty228 2mo agoFYI things too far out of the current viewport don't cast shadows, can be annoying for mountains/hills are sun down/set if you're not aware of it.
- lawrencexiao 2mo agoLove this as a simulation tool, not just a map. I’d want to ask: “If I plant trees here, which public spaces get shade at 4pm in July?”