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Working with trees

Trees and urban design

If you are interested in detailed technical information about incorporating trees into the urban landscape, you may be interested in visiting the Trees and Design Action Group.

There are three kinds of trees in CityCAD:

CityCAD trees are simplified diagrams of a tree, designed to be viewed from a distance. If you want to add photorealistic trees, we recommend you export the CityCAD model as a 3D DXF model and add trees using another visualization application.

Keeping track of trees in your model

Trees are accounted for in the following ways:

General Trees

General trees can be added anywhere in your model using the Tree Tool or Tree Spray Tool. If you have just clicked in the main display window, you can type 'T' to select the tree tool or 'Y' to select the Tree Spray tool.

You can modify trees using the Tree Properties panel when a tree (or several trees) are selected.

Each general tree is recorded in the City tab, and if required you can also add costs and values to individual trees in the Appraisal tab.

General trees can be moved, copied and pasted.

Route Trees

Route trees are lines of trees on routes which can be set by using the Streetscape Editor.

You can add trees to pavements, reservations and shared surfaces, but not to bus lanes, cycle lanes or vehicle lanes.

As with General trees, you can set the height, width and colour of both the canopy and the trunk. You can also set the (minimum) spacing and the offset from the node at each end of the route.

Route trees do not appear as separate elements in the City tab.

Block Appearance Trees

These are trees that appear in the centre of a block, and are generated based on parameters in the Block Appearance group in the Properties Panel.

They are for illustration purposes only, and are not accounted for in any analysis panel.

Tree Type Manager

You can create and edit your own library of tree types in the Tree Type Manager.

The list on the left show the tree types that are available in the 'Type' menu in the Tree Properties panel. There are embedded tree types that come with CityCAD, and you can also add your own custom types. To show all types, or only custom types, click the radio buttons at the top of the list.

To add a new tree type, click the green plus sign button at the top of the list. To remove a custom tree type, select it and press the red delete button.

To edit a custom tree type, select it and you can then edit its properties in the middle panel.

A visualization of your tree type is displayed in the right-hand panel to indicate scale.

Hint - Tree Library

Remember that Tree Types stored in your library are specific to your installation of CityCAD. If you open a file which contains tree types not in your library, you can add them to your settings library by doing the following:

  • Select the tree
  • Open the Settings Library and click the green 'Add to Settings Library' button
  • The Tree Manager will appear - type a name for your new tree type, and click 'OK'.

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