| Article Index |
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| Introduction |
| data sources |
| Libraries |
Page 2 of 3
sources are configured in the Input tab
this is a black and white image called the 'popmap' image or building elevation map. it defines the heights of the buildings and the main shape of the city. the brighter the pixels are, the higher the buildings will be. the script interface allows to interpret it in different ways, by specifying the floor number minimum and maximum value for example. this source can also be a material, that allows you to mix different textures, or to use nodes to create/modify your elevation map.
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image popmap |
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this 'popmap' is almost uniform with some brighter pixels. this one was generated from a material with procedural textures like noise and cloud. it gives a quiet sea of average buildings, and a few higher buildings. |
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and here is a spherical city. |
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- City map and streets :
the map is defined by a mesh object. vertices and edges define the crossings and the roads, and the building blocks. you can define avenues, one way, two ways, x ways roads, the sidewalks width, the level of details etc.. in the streets tab (tutorial).
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résultat |
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Streets/Roads/Edit mesh permit to define a different width for the 3 roads that intersect in the middle of this little city. |
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Blended Cities will then mix the popmap and the city map to produce a city :
- the 'zoning' map, districts creation :
you can define different kind of area (like commercial, industrial, residential, parks etc..) thanks to an image : for example red areas are business areas with skycrapers, green groups the residential and park areas, blue is for plants...
categories of buildings can be blended, depending on the pixel RGB color intensities :
if you use the image to the right, the different categories of building will be mixed on the borders.
this map is then applied on the city map and will define the kind of building to create for each location.
