How to adjust the height map with a Combo Overlay: Difference between revisions
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(Created page with "{{being updated}} It is now possibe to change the Digital Terrain Model (DTM) of a project, by using a Combo Overlay. In the following e...") |
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In the following example the roads of the project area will be lowered with 20cm. | In the following example the roads of the project area will be lowered with 20cm. | ||
{{Editor steps|title=adjust the height map with a combo overlay.|Add a DTM Height Map Overlay to your project.|Add an [[Average Overlay]] that selects a specified attibute. This can be a custom attribute or a more general one, such as NWB_ID.|Add a [[Combo Overlay]] with the Height Map Overlay as input A, the Avg Overlay as input B, and with the formula: IF(GT(B, 0), SUB(A, 0.2), NO_DATA).|This Combo Overlay displays a height map with all roads 2cm loewer, and all other areas as 'NO_DATA'.|}} | |||
These steps can be created by using the "Editor steps" template: | |||
{{Template description|Editor steps|title=title|Step|Step|Step...}} | |||
<gallery mode="nolines"> | |||
File:construction5.jpg|A landmark | |||
File:construction6.jpg|Another landmark | |||
</gallery> | |||
Revision as of 13:02, 11 April 2022
Please note: This page is currently being updated.
It is now possibe to change the Digital Terrain Model (DTM) of a project, by using a Combo Overlay.
In the following example the roads of the project area will be lowered with 20cm.
How to adjust the height map with a combo overlay.:
- Add a DTM Height Map Overlay to your project.
- Add an Average Overlay that selects a specified attibute. This can be a custom attribute or a more general one, such as NWB_ID.
- Add a Combo Overlay with the Height Map Overlay as input A, the Avg Overlay as input B, and with the formula: IF(GT(B, 0), SUB(A, 0.2), NO_DATA).
- This Combo Overlay displays a height map with all roads 2cm loewer, and all other areas as 'NO_DATA'.
These steps can be created by using the "Editor steps" template:
{{Editor steps|title=title|Step|Step|Step...}}
A landmark
Another landmark
