00:03Hello everyone and welcome to the street generation tutorial.
00:06This is Andy on your speakers.
00:08And I'm going to show you how to create a street network in the first half...
00:13...and creating detailed street models by applying shape rules in the second half.
00:19What you see here in this scene is a simple landscape with a height map...
00:26...and an obstacle map beneath.
00:29The black areas in the obstacle map are areas where no streets should be generated.
00:36We start the streets by creating a single one around here.
00:41We're going to select the street and fire up the Grow Streets dialog.
00:51I'm going to create 1,000 streets here and to tell the...
00:59...algorithm to follow the Heightmap and follow the Obstacle map and hit Apply.
01:05Streets have generated now, as you can see.
01:09I want some more streets around here and some more around here.
01:22As you can see, there are too many streets generated in this area below here.
01:27So I'm just going to select those and delete them.
01:30We don't need them.
01:32Also here and here.
01:39So here we are.
01:40We already have a street network for our area.
01:44In the second step, we are going to create the street shapes out of this street graph.
01:50So I select the street network layer and select Create Street Shapes.
01:58I can now hide the street network so we see the street shapes better.
02:05As you can see, zooming in here that all the parts are created for you like...
02:10...crossings, streets, and sidewalk elements.
02:14I'm now going to use the provided symbol street...
02:17...CGA rule to create the street models here.
02:20So, selecting the street shapes layer and I'm going to assign this simple street rule file.
02:31Select an area here and generate -- hide the street shapes layer -- zoom in here...
02:40...select the crossing folks here and you see that, with this simple rule...
02:46...already quite detailed street models can be generated.
02:49They consist of street textures extruded sidewalks and two different lamp types.
02:57As always, we can fire up the Inspector...
03:02...and change, let's say the avgLampdist, from 5 to 10 meters.
03:07On this element here, we generate and have less lamps in case you don't like that many.
Creating Streets in CityEngine
This video explains how to create a street network and increase the street detail inside of CityEngine.
- Recorded: Dec 13th, 2011
- Runtime: 03:17
- Views: 2267
- Published: Dec 14th, 2011
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