city objects
city objects
Just asbeautiful are structures with pots for climbing plants. For city news and important announcements there are information boards.
A CityJSON object represents one 3D city model of a given area, this model may contain features of different types, as defined in the CityGML data model.
The minimal valid CityJSON object is thus:
A City Object is a JSON object for which the type member`s value is one of the following (of type string):
CityJSON defines the following 3D geometric primitives, ie all of them are embedded in 3D space (and therefore their vertices have (x, y, z) coordinates). The indexing mechanism of the format Wavefront OBJ is reused, ie a geometry does not store the locations of its vertices, but points to a vertex in a list (in the CityJSON member object ).
A Geometry object is a JSON object for which the type member`s value is one of the following:
A CityJSON must have one member named , whose value is an array of coordinates of each vertex of the city model. Their position in this array (0-based) is used to represent the Geometric Objects.
A Semantics Surface is a JSON object representing the semantics of a surface, and may also represent other attributes of the surface (eg the slope of the roof or the solar potential). A Semantic Object:
Because in one given City Object (say a ) several surfaces can have the same semantics (think of a complex building that has been triangulated, there can be dozens of triangles used to model the same surface), a Semantic Surfaces object has to be declared once, and each of the surfaces used to represent it points to it. This is achieved by first declaring all the Semantic Surfaces in an array, and then having an array where each surface links to Semantic Surfaces (position in the array).
The metadata related to the 3D city model may be stored in a JSON object that may have different members, as follows. Many of the members in ISO19115 are used, and a few are added (eg presentLoDs thematicModels, because they are useful in 3D in a city modelling context). To see all the possible ones, look at the schema file metadata.json of a given version, and look at the demo file:
The city says the proposed Tokyo Smoke store would be within the 150-metre separation distance for specifically seniors retirement residences at 436 Powerline Rd. and at Francis St. The deadline for submissions on the application is May 1.
And the city says the proposed Harvest Cannabis store would be within the 150-metre separation distance from downtown Harmony Square, also considered a sensitive use. The square is an the city says. The deadline for submissions on that application is April 30.
Applications also have been submitted for Miss Jones, at 185 King George Rd., Suite B5; and for Seven Point at 10 Stanley St. The city has no objection to either of those proposed operations.
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