Latest Contributions by DevinLavigne

‎07-26-2016

This is pretty simple. This is from the help file: To use these attributes with the CGA grammar you need to declare CGA attributes with matching names. A simple CGA rule file could look like this: attr height = 10 Lot --> extrude(height) After assigning this rule file to the shapes, the CGA attribute height appears in the CGA Attribute Mapping tab of the Inspector. Note that the Source field is set to Object, which denotes that the CGA attribute height is controlled by the object attribute of the lot. So in your case this is all you would need to do attr Your_Shapefile_Field_Name_For_Floors = 10 #value can be anything as it will map to the data attr avgFloorHeight = 3 #setting this as an attribute will give you the ability to change in each building if necessary @StartRule Lot --> extrude(Your_Shapefile_Field_Name_For_Floors * avgFloorHeight) #again you could hardcode "3" here

‎07-26-2016

Chris this is awesome. Who knew there was a generic stump? I'm not sure if I can sort by height with the simple code I wrote, but putting them into 3 different columns is a great idea, and the webscene viewer does a way better job with the overall render and appearance. If you don't mind I'll take a shot at a hybrid of our rules.

‎07-26-2016

Got it. I think this should do it.... /** * File: dirtpile.cga * Created: 26 Jul 2016 06:25:45 GMT * Author: devlavigne */ version "2016.0" @Range(1,89) attr roofAngle=45 @Range(1,89) attr dirtHeight=1 @StartRule Start--> roofHip(roofAngle) split(y) {dirtHeight:DirtPile | '1:NIL} DirtPile--> comp(f){side:Sides| bottom:Base. | top:Top} Top--> color(1,0,1) extrude(40)

‎07-25-2016

I'm not exactly sure what you want to do, but I think the code below will do what you want. Its essentially splitting the height of the "roof" and removing the top. I've added a couple attributes - for the height of the dirt pile and the angle of the dirt pile to give you a little more control if you need it. Hope this helps. Devin /** * File: dirtpile.cga * Created: 26 Jul 2016 06:25:45 GMT * Author: Devin Lavigne */ version "2016.0" @Range(1,89) attr dirtAngle=45 @Range(1,89) attr dirtHeight=1 @StartRule Start--> roofHip(dirtAngle) split(y) {dirtHeight:Dirt | '1:NIL}

‎07-25-2016

I don't know about you, but I didn't have the patience or the mental capacity to cycle through and remember all 127 plants in the ESRI.lib, seeing what each species looks like and overall quality of the models. I'm sure some botanists and landscape architects might know what a Conker Tree is, but I don't. So I wrote some CGA that basically queries the Plant_Loader.cga and places and labels each of 127 plants. Simple create a rectangular object and apply the rule. That's it. The CGA file is attached and the code is below. If you have any suggestions or requests please email me dlavigne@hlplanning.com I hope you find this as useful as I do when bringing these assets into other rules. Devin Lavigne, AICP LEED-AP Principal | Cofounder Houseal Lavigne Associates 188 West Randolph Street, Suite 200 | Chicago, IL 60601 http://www.hlplanning.com /** * File: plantlist.cga * Created: 25 Jul 2016 15:32:30 GMT * Author: Devin Lavigne */ ### Have you ever wondered what plants come in the master ESRI.lib? ### This rule queries the Plant_Loader rule in the ESRI.lib and then places each species at their max height with a label. ### All you need to do is create a rectangular shape and then just apply the rule. ### If you have any suggestions or requests please email me dlavigne@hlplanning.com version "2016.0" import Plant:"/ESRI.lib/rules/Plants/Plant_Loader.cga" import Text:"/ESRI.lib/rules/General/Text.cga" PlantNumber = Plant.nPlants @Hidden attr SubSplit = 0 @Hidden attr Length = 0 @StartRule Area--> alignScopeToGeometry(yUp,1) s(PlantNumber*20,0,20) set(Length,scope.sx) plantpoints(0) plantpoints(counter)--> case SubSplit <= PlantNumber: split(x) {Length/PlantNumber:plantArea(SubSplit) | ~1: set(SubSplit, SubSplit+1) plantpoints(SubSplit)} else: NIL plantArea(plantnum)--> comp(f) {top=PlacePlant(plantnum)[Ground]} PlacePlant(plantnum)--> set(Plant.Name, Plant._commonName(SubSplit)) set(Plant.Height, Plant._heightMax(SubSplit)) set(Plant.Radius, Plant._radius(SubSplit,Plant.Height)) Plant.Generate set (Text.Text,Plant.Name) set (Text.Size,2) rotate(abs, world, 270,180,270) t(Plant.Height,0,scope.sy/2-Text.Size) Text.Generate Ground--> color("#56a554")

‎07-25-2016

The CGA parsing engine is stricter than previous versions. Previous versions of CityEngine would parse through some sloppy CGA and still work. For example, something like this works, even though we've declared it a color (@Color) and its obviously not. Bad CGA @Color @Order(3) @Range (0.00,1) attr window_opacity = 0.30 The behavior I noticed was that every attribute before the sloppy CGA would work fine in 2016, even sometimes poorly formed ones. But every attribute after it would not be available. Check your attribute grammar and I'm sure you'll find your issue. Good CGA @Order(3) @Range (0.00,1) attr window_opacity = 0.30

‎07-18-2016

Just registered. Looking forward to it.

‎07-18-2016

You can import rules in any CGA rule. So in your example you could create a master CGA rule importing your two CGA files.... // import texture & animate rule import a1 : "animate.cga" //import water extrusion import w1 : "water.cga" then you could call rules from each file using something like w1.Lot-->... For more info search CityEngine help for Import But I don't think your CGA is that complicated and using multiple rules seems unnecessary. Can you just do something like this? //Attributes @Group("Extrusion") attr ELEVATION = 0 @Group("Texture") @Range(-180, 180) attr Rotation = 0 @Group("Texture") @Range(0.1, 20.1) attr Scale = 5 @Group("Texture") @File attr Texture = "SeaWater.jpg" @Group("Texture") attr SizeX = 100 @Group("Texture") attr SizeZ = 100 @StartRule Lot--> extrude(ELEVATION) Water Water --> alignScopeToAxes(y) rotateScope(0,Rotation,0) setupProjection(0, scope.xz, SizeX * Scale, SizeZ * Scale) projectUV(0) texture(Texture) # This line makes it animate in a web scene. set(material.name, "watermaterial__waterparams_2_5") If you just need the top to animate you can always split the component and texture the faces individually - i.e. comp(f) {top:Top | side: Sides}

‎07-18-2016

Understanding that Key Performance Indicators (KPI) are unique to each project, are there any available resources that provide some averages or typical KPIs?

‎05-20-2016

Not sure if you mean the path or the image itself. I think the rule change would be fairly simple, and the heavier lift the imagery - converting hundreds of PNGs to JPGs. If that's what you are looking to do use Photoshop's Image Processor (File-->Scripts-->Image Processor). You can run it to scan your folders, open images and save them as JPGs in the same place.

‎05-10-2016

Do you mean something like the tot lot in my image? I started out using a rule that would place the model - something like this: Playstructure--> i("Playstructure.dae") But putting in the right spot and then the rotation and scale - just too painful. In this instance it was just plain easier to place the model. So in this scene - which supports a plan recommendation to consider using vacant lots at the end of blocks for tot lots - the model is just placed. I am however working on a some code that will develop a park site based on size and surrounding uses/population and I do plan on using CGA to build soccer fields and basketball courts (right angle type stuff), and just inserting assets like goals, play structures, backstops, etc... Hope this helps.

‎05-22-2015

Ahhhhh....that's it. I have a Basic for my Mac and Advanced for my PC at work. Thanks Matt

‎05-21-2015

I noticed the Collada export is gone from CityEngine 2015. I'm looking for the best solution to take detailed 3d models from CityEngine into SketchUp. Any thoughts or suggestions? I'm also looking for some way to create/package repetitive elements as "components" to keep file sizes down. Is this possible?

‎01-23-2015

I'm wondering if there is a way to apply a pre-defined style within a CGA rule - from within that rule or when imported. For example, I have a CGA rule file that builds buildings from footprints - and there are a number of pre-defined styles - ApartmentBuilding, MixedUse, Office.... I'm now writing another rule that will be applied to a parcel. I'm writing some zoning to go with it - like setbacks etc... as well as some code to generate parking lots. The remaining area would be the footprint. I know I can reference the imported rule to generate the the shape, but I'm wondering if there is a way to specify a style and not just a start rule. I keep thinking I'm missing something really obvious. Basically what i have is this: Lot--> split(z) {Side_Yard:SideYard | ~1:split(x) {Front_Yard:FrontYard | ~1:Middle | Rear_Yard:RearYard} | Side_Yard:SideYard} Middle--> BuildingCGA.FootprintStartRule and wondering if there is a way to do this: Lot--> split(z) {Side_Yard:SideYard | ~1:split(x) {Front_Yard:FrontYard | ~1:Middle | Rear_Yard:RearYard} | Side_Yard:SideYard} Middle--> BuildingCGA.FootprintStartRule(somePreDefinedStyle)

‎01-23-2015

I was having this problem to, but I resolved it yesterday. I have a 4K monitor with two 970GTX SLI NVIDIA cards. My models were constantly timing out. Sometimes it would crash simply previewing a rule file or texture in the preview window. At first I thought it was a memory issue related to the high resolution or the fact that I was running my workspace in a Dropbox folder. I did two things that have helped. First, I updated my video driver with one released yesterday (347.25 WHQL). Second, I now pause Dropbox syncing while working in CityEngine. I noticed CityEngine was constantly uploading changed files. I suspected at times CityEngine may have been waiting for a file to become available or was receiving write errors from files in use. I'm not sure which one, or both were the cause, but I've been crash free for 2 days.

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Date Last Visited	‎03-31-2026 02:45 PM

My Ideas

Latest Contributions by DevinLavigne

Re: Getting shape height using floors numbers

Re: View all the plants in the ESRI.lib

Re: Any way I could merge and align faces parallel to the initial shape with CGA?

Re: Any way I could merge and align faces parallel to the initial shape with CGA?

View all the plants in the ESRI.lib

Re: Is the attribute value slider broken in version 2016?

Re: CityEngine Webinar: Model Cities with the Tech Behind Independence Day: Resurgence

Re: Multiple CGA Rule Files to a Single City Engine Layer

Key Performance Indicators

Re: Facades still showing up black

Re: Has anyone developed a playground/park model in CityEngine?

Re: Collada Export & SketchUp Components

Collada Export & SketchUp Components

Apply Styles within CGA

Re: Graphics card timing out

Re: CGA Rule for a Road and Parallel Railway Line

Re: Shapes appear below terrain when using 'align ...

Re: CityEngine 2023.0 Connector for Omniverse is n...

fileSearch & fileRandom Limitations

Re: Hide Variable/Curly Bracket Until Selected