# Grid Surface

Grid surface module manages visualization of data represented as a grid such as demography or demand. This layer type is non-interactive but fully customizable with its variables, colour palette and number of classes.

![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNL8LozE3u2ZkW0fePl%2F-LNL8bX--e-Uft30mCX0%2FDemographic%20Grid%20Surface.png?alt=media\&token=6a3aa1fc-826d-49a5-8e79-5e81ded5aa7d)

*Fig. 4.4.1 Demographic grid surface in London area.*

Two selected variables are visualized as size and colour accompanied by 2-dimensional legend. Available variables are shown in two dropdown lists.

![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNL8LozE3u2ZkW0fePl%2F-LNL99XzWEPUSoIc__Ca%2FGrid%20Surface.png?alt=media\&token=62a322cd-3314-44cf-9dd2-33e0357ed38a)

*Fig. 4.4.2. Dropdown lists contain variables available for analysis and visualization.*

![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNL9W9vfxVowxmqfOmw%2F-LNL9prqNW__EDyhRIRh%2FGrid%20Surface%20\(02\).png?alt=media\&token=b5f00258-71c1-402a-a79f-0b65bea9975e)

![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNL9W9vfxVowxmqfOmw%2F-LNLA9v0qaXuvZGMe2q2%2FGrid%20Surface%20\(03\).png?alt=media\&token=ba86291b-98db-443a-9fd8-9c8be07028f3)

*Fig. 4.4.4. Grid surface for the employed aged 25-29*

Grid surface will support analysis for site comparison and planning.
