[HN Gopher] CityEngine: Build a Digital Twin of Your City
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       CityEngine: Build a Digital Twin of Your City
        
       Author : rntn
       Score  : 49 points
       Date   : 2022-06-15 19:02 UTC (3 hours ago)
        
 (HTM) web link (gisgeography.com)
 (TXT) w3m dump (gisgeography.com)
        
       | ajakate wrote:
       | Has anyone here played the new Microsoft Flight Simulator Game
       | they released in 2020? I was blown away by how accurate the
       | environment and maps were (at least in Chicago and Bloomington,
       | IL). By far the most realistic representation I've seen in a game
       | before. Even outside of the iconic buildings of downtown, a lot
       | of the smaller buildings in far out neighborhoods were more
       | realistic than I was expecting.
       | 
       | I know the game has gotten a lot of praise on the graphics. I
       | guess they leaned heavily on bing maps to build out the game's
       | environment. Would be crazy to see what could be created with
       | something like google streetview data.
        
       | rpastuszak wrote:
       | Shame there's no free trial. I guess I'll stick to Cities:
       | Skylines for now.
        
       | rubidium wrote:
       | Here's they have an example from Portland, OR. Seems.... pretty
       | basic I guess?
       | https://www.arcgis.com/apps/CEWebViewer/viewer.html?3dWebSce...
       | 
       | Not sure the pricing.
        
         | Meph504 wrote:
         | yeah I'm not getting the product other than it looks it ties
         | into arc gis
         | 
         | For a comparison, here is google earths version of Portland
         | (this isn't and apples to apples comparison, but I still think
         | valid)
         | 
         | https://earth.google.com/web/search/port+land/@45.514524,-12...
        
           | renewiltord wrote:
           | I am constantly having my mind blown by Google Earth. How can
           | this be free?
        
           | robertlagrant wrote:
           | It's not that the esri one is bad. It's that the GE one is
           | _amazing_.
        
           | 015UUZn8aEvW wrote:
           | It's possible to download Google Earth's 3D model, at the
           | resolution in your link, for any area where they show 3D
           | buildings/landscape. It's not something they facilitate and
           | definitely requires something of a hack, but it does work.
           | Then you can get the model into Blender, SketchUp, etc. and
           | start editing it to add or remove buildings and so on.
           | 
           | Would be interested to know whether that's technically legal.
           | I mean, they put it out there on their website, right?
        
       | raylad wrote:
       | Only very vaguely related pet peeve: the term "Digital Twin"
       | implies that a simulation perfectly matches what is being
       | simulated. This is really almost never the case.
       | 
       | Let's just call them what they are: simulations.
        
       | dharbin wrote:
       | Wouldn't it be a more compelling product if you sold the model,
       | not the model-making tool? If I was the city of Portland, I would
       | rather just buy the pre-made Portland model than have an intern
       | build it with CityEngine.
        
         | n8cpdx wrote:
         | CityEngine is a procedural generation tool, it isn't really
         | meant to compete with real world data providers. For something
         | like Google Earth but available as GIS data, you can use a
         | provider like NearMap.
         | 
         | CityEngine is better for planning out and comparing future
         | scenarios, and other specific use cases. E.g.
         | https://m.youtube.com/watch?v=sOY3LY688QI
         | 
         | Disclosure: I work at Esri but not in a sales role. I am also a
         | customer.
        
       | Nicholas_C wrote:
       | My SimCity nostalgia wishes someone would use this to make agent
       | based models of real cities with every citizen mapped out.
       | 
       | Anything like that ever been done?
        
         | bragr wrote:
         | Have you played Cities: Skylines? There are definitely
         | limitations to its fidelity, but every person and car is
         | something you can click on and see their home, job, route. This
         | gives much more realistic traffic for one thing (though there
         | are mods that do an even better job).
         | 
         | Ultimately though, I doubt that high fidelity simulations are
         | in the cards for consumer devices any time soon. Cities
         | Skylines already bogs down on large cities.
        
       | hutch120 wrote:
       | Stay away from ESRI (ess-ray) - I should get that printed on a
       | t-shirt.
       | 
       | ESRI centralise power, lock you into their technology, and IMHO a
       | digital twin should be doing the opposite. Don't believe the
       | sales BS about ESRI having "free" software, read the fine print,
       | ArcGIS AINT FREE.
       | 
       | IMHO a Digital Twin should be something for the people, by the
       | people! So please stop paying proprietary systems like ESRI and
       | incentivising them to stifle innovation and increases barriers to
       | entry.
       | 
       | If you want to see local jobs, growth and innovation then invest
       | in OpenSource software like OSM (Open Street Map) and QGIS and
       | other Open GIS products.
        
       | mceoin wrote:
       | Your move, SF YIMBY.
        
       | prophesi wrote:
       | Does anyone know what the limitations are for the free trial? I'd
       | love to try this with where I live and experiment with it in
       | Unreal, and pay for a license if I do anything commercial with
       | it.
        
         | n8cpdx wrote:
         | Not sure about the trial.
         | 
         | It's included with ArcGIS for personal use now, which is
         | $99/year and includes the rest of the ArcGIS system (except
         | enterprise server and the like). Obviously for personal use
         | only.
         | 
         | We also released our maps SDK for unity and unreal:
         | https://developers.arcgis.com/unity/
         | 
         | Disclosure: I work at Esri but not in a sales role. I am also a
         | customer.
        
       | mcluck wrote:
       | It's a shame that it requires a business email just to try it
       | out. My work doesn't have anything to do with city building but
       | I'd love to use this to create a 3D model of my home town for my
       | own fun.
        
         | fartcannon wrote:
         | There's a blender plugin that will let you import 3d map data
         | including buildings and trees from google into blender and then
         | do whatever you want with.
         | 
         | https://github.com/domlysz/BlenderGIS
         | https://github.com/eliemichel/MapsModelsImporter
        
           | mcluck wrote:
           | Hey, hey, this looks great! Thanks!
        
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       (page generated 2022-06-15 23:00 UTC)