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- About ElliotHartley
ElliotHartley
Occasional Contributor
since
07-04-2014
06-28-2024
54
Posts created
22
Kudos given
3
Solutions
49
Kudos received
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My Ideas
(3 Idea Submissions)Latest Contributions by ElliotHartley
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Sorry I haven't replied to this thread in a while, busy at work.... I'm off to San Diego tomorrow in the meantime the group I setup for sharing is here: http://www.arcgis.com/home/group.html?owner=ejph&title=CityEngine%20Rules%2C%20Projects%20and%20Tools# It's a bit dead, I was hoping others would share but I think like me they're waiting for someone else to start 🙂 asterios_polyp - having tidy data is essential, but knowing how to organise for your work is even more important. You can DM me directly via twitter or about.me/elliothartley if you need some more specific help while I'm at the UC...
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07-05-2013
01:02 AM
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Yes, I've started a group on Arcgis.com you can find it here CityEngine, Rules, Projects and Tools I haven't put much up yet but there are two rule files (poorly documented I know) so far and I aim to upload more, as the group name suggests! Hope this helps...
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05-23-2013
03:23 AM
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I've got an object that I want to align to the slope of the terrain either facing down or up the slope or aligned along it (for example along a contour). Is there a bit of code that can tell me which way is up and down on a surface? I know you can assess slope angle of a surface can it be made to tell me the direction? Thanks!
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02-10-2013
06:41 AM
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Philippe, Hope you don't mind me jumping into this thread? I'm working with CityEngine in our city master planning workflows. If I may plug my recent GeoDesign Summit 2013 Presentation (blogged here "The Instant City" )? 🙂 The trouble is pinning down where CityEngine is going to be useful. Thinking about the scale you are working at is vital, with our work we don't need to go very detailed as we're assigning zones, whereas you probably do. So far CityEngine is doing great things for us in the 3D visualisations area, but it does seem we can make it work elsewhere. As Matthias says it's not so great at creating good designs, we still have to that! CityEngine is very good at taking existing data and modelling it and it's the speeding up of feedback about your design (through reporting) as well as the ability to adjust by small increments the model variables that is CityEngine's real power. To sort of answer some of your questions you can change all aspects of a street model (trees, furniture etc..) based on the object attributes or length or any kind of attribute really. What you need to do is read the rule file and see where it jumps to. I find that it's actually quite clear in places what is going on and where you should change elements of the rules. Here's a strategy I use to edit the Modern Streets rule file, find all references to your chosen edit (trees) then work back to find the point at which the rule places the tree (often it's early on that it splits). Or as I have done do a case statement like this at the beginning of a rule (Layer is an actual object attribute): Sidewalk -->
case Layer == "National Highway" : SideNH
case Layer == "Main Street" : SideMS
else : SidewalkNormal Then copy the next rule that the Sidewalk started with and rename it (you might need to rename everything below it too) then you can edit the copy and experiment... I'll be working on some blog posts with practical workflows for planning in the coming weeks as well to try and articulate that better, hope this helps? All the best Elliot
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02-01-2013
05:16 AM
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Thanks anyway... looks like I still need SketchUp for some parts.... Feature Request? 🙂
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12-11-2012
12:54 AM
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A quick question, I've got a streetnetwork where the sidewalk is split into different surfaces, to reflect for example, paved and planted areas. The trouble is at corners these sidewalks don't look right (I've attached a screenshot below). Is there a way of making these textures turn the corner properly? If so, can someone give me a code snippet? Thanks! [ATTACH=CONFIG]19599[/ATTACH]
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11-29-2012
02:04 AM
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Panic over, for some reason and I'm not sure why... CityEngine installed itself with compatibility wizard set for Windows 7 when it didn't need it. I've turned the compatibility settings off and CityEngine is work properly. Hurrah! Sorry to trouble you 🙂 Okay now that I know it should I have tried it and it doesn't work. The splash screen appears then it just disappears and nothing loads. Previous versions (2011) complain of not having OpenGL support but my laptop has an nvidia 310m card with the latest drivers and its has worked on this machine previously... Can you advise on how to troubleshoot this? Thanks!
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11-03-2012
07:18 AM
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Okay now that I know it should I have tried it and it doesn't work. The splash screen appears then it just disappears and nothing loads. Previous versions (2011) complain of not having OpenGL support but my laptop has an nvidia 310m card with the latest drivers and its has worked on this machine previously... Can you advise on how to troubleshoot this? Thanks! Yep. 2012 runs on Windows 8 (non-RT). Cheers ! m.
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11-03-2012
04:45 AM
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Hi, just a quick question, does CityEngine run in Windows 8?
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11-02-2012
06:41 AM
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Thank you Matthias, It's all so obvious now... It's a wonder I tie my shoe laces in the morning sometimes.... 🙂 Elliot sure possible ! case p(0.25) :
DoThis.
else :
DoThat.
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10-01-2012
12:41 AM
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I was wondering whether there was a way of allowing the use of an named attribute, say "parking_occupancy" in the stochastic rule. Instead of : 20% : placecar else: NIL I could use (I know this doesn't work, but you get the idea) attr parking_occupancy = 25 parking_occupancy% : placecar else : NIL This would mean I could adjust the variable in the inspector and not the rule file... am I missing something obvious? Is there a workaround?
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09-27-2012
02:16 AM
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