Overlay

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Revision as of 12:08, 15 October 2015 by Vincent@tygron.com (talk | contribs)
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Overlays

An overlay is a layer drawn over a visualization to illustrate different properties. They do not contain all the information of a given visualization, but serve as a supplement to a base. By adding these properties onto the same view, the additional information can immediately be made understandable in the same way. A reason to split information off into other layers in this fashion can be to avoid overwhelming a user with too much information.

How do overlays relate to the Tygron Engine interface

Overlays are implemented in the Tygron Engine as part of the interface. Properties such as ownership and zoning are important pieces of information to the player, but would be very overwhelming to display at all times. Instead, a player can activate on overlay to make these pieces of information visible. In principle, all spatially varied information is accessible as an overlay.

How to access overlays in a project

File:Overlays-Icons.jpg
How to access overlays

Overlays available to stakeholders appear as buttons just below the minimap. To switch to a specific overlay, use the button to switch to the designated overlay. To switch back to the default view, switch to the "City" overlay. Some overlays are default available when a project is created, see default available overlay types. Some overlays are very closely related to indicators (heat stress and livability).

Default available overlay types

Multiple types of overlay exist in the Tygron Engine. All overlays which are available by default when creating a project are described below.

City

Default City overlay
The default view. This displays the project detail area in natural colors. Hovering over a location displays properties of the construction or land type in that location.


Zoning

Default Zoning overlay
This overlay is available by default. This overlay displays the zoning plan for the entire project detail area. This is helpful when considering indicators which are scored per zone, and when looking to construct a building which is restricted to certain zones.


Property

Default Property overlay
This overlay is available by default. This overlay displays the ownership of properties across the entire project area, using each stakeholder's colors. This is important when considering which stakeholder may perform actions such as constructing or demolishing at a given location, or whom to negotiate with for land transactions.


Optional overlay types

Traffic Flow

File:Traffic Flow-Overlay.jpg
Optional Traffic Flow overlay
Main article: Traffic Flow (Overlay).
This overlay displays the flow of traffic through roads. It becomes available for all stakeholders when added to a project.


Heat

File:Heat-Overlay.jpg
Optional Heat overlay, linked to Heat indicator
Main article: Heat (Overlay).
This overlay displays the Heat Stress. The overlay displays the average temperature deviation (positive or negative) for the project area, giving an indication of where the most heat-stress is occurring. This overlay only becomes available for each stakeholder with an interest in the Heat Stress indicator. In other words, the overlay is only visible when the heat indicator is also active for the selected stakeholder.


Livability

Optional Livability overlay, linked to Livability indicator
Main article: Livability (Overlay).
This overlay displays the average livability for each part of the project detail area, giving an indication whether the livability is good, average or bad. This overlay becomes available for each stakeholder with an interest in the livability indicator. In other words, the overlay is only visible when the livability indicator is also active for the selected stakeholder.


Terrain Flooding

Optional Terrain Flooding overlay
Main article: Terrain Flooding (Overlay).
This overlay displays active flooding terrains. This overlay becomes available for each stakeholder.


Terrains

File:Terrains-Overlay.jpg
Optional Terrains overlay
Main article: Terrains (Overlay).
The Terrains overlay displays a combination of selected active terrains. This overlay becomes available for each stakeholder.


Function Highlight

File:Function Highlight-Overlay.jpg
Optional Function Highlight overlay
Main article: Function Highlight (Overlay).
This overlay highlights all constructions in the 3D world, for which the specific function has been selected, such as all shops in an area.


Custom Color Areas

File:Custom Color Areas-Overlay.jpg
Optional Custom Color Areas overlay
Main article: Custom Color Area (Overlay).
This overlay shows colored areas in the 3D world, in locations defined in the editor.


Vacancy

Optional Vacancy overlay
Main article: Vacancy (Overlay).
This overlay shows all constructions in the project area which have been set as vacant in the Editor.


Image

File:Image-Overlay.jpg
Optional Image overlay
Main article: Image (Overlay).
This overlay projects a custom image over the project area.


Adding and removing overlays