CityCAD Online Help
Routes are fundamental to creating models in CityCAD as they define the positions of nodes and the outlines of blocks. You can draw routes using the Route Tool or either of the Multi-Route Tools. When an area of the ground plane is enclosed by routes, a block will be created.
When you draw routes, CityCAD constantly analyses the network to check whether any blocks have been created. Please take a moment to read through the 'Route Networks' section below, as this will help understand how CityCAD deals with routes.
If you have selected the Route Tool, but no elements are selected in the main display window, then the Default Route Properties will be visible in the Properties Panel. These defaults will be applied to the next route you draw with the Route Tool.
To create, edit and manage your library of custom route types, use the Route Type Manager.
If you draw, edit or move routes, CityCAD analyses your route network continuously and creates nodes and blocks automatically. This summary explains how CityCAD does this, and how you can create and edit your city model.
If you draw a route that crosses another route, then a node is created at the intersection. The routes will be subdivided, and each part will have the same properties as the parent route (including name).
If you draw routes which enclose an area of the ground plane, then a block will be created.
If you draw a route across a block, then it will be subdivided. The resulting two blocks will have the same properties as the parent block.
If you move a block (eg. with the modify tool) over a second block, then both blocks will be subdivided. The resulting fragment in the middle will take on the properties of the second block, as shown in this diagram.
If you enclose an area around a block, then a block will not be created. This is due to the way that CityCAD interprets enclosed areas.
If you then draw a route which connects the outer ring of an enclosed area to an inner enclosed area, then a second block will be created around the original block.
If you want to hide the connecting route, then delete all streetscape elements from the connecting route, and it will become a boundary line. You can also change the outer block to another block type if you want - for example an open space block in this example.
You can create, edit and manage your own library of Route Types using the Route Manager.
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