How to improve the estimated foliage overlay: Difference between revisions

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{{editor location|overlays|}}
{{editor steps|title=compute a foliage estimation from an infrared WMS
| Add a new [[WMS Overlay]], with "Infrared" as its [[Project Source]]. This source is available by default.
| Select the most recent infrared layer.
| As result type, select the "Red" color channel.
| Add a [[Combo Overlay]], and set Grid Overlay "A" to the created [[WMS Overlay]] with the Infrared [[Project Source]].
| As formula for the [[Combo Overlay]], enter "GT(A, 160)"
| Duplicate the [[WMS Overlay]], and set the result type of the duplicate to the "Green" color channel.
| Add the second [[WMS Overlay]] to the [[Combo Overlay]] as Grid Overlay "B".
| Change the formula for the [[Combo Overlay]] to MUL(GT(A, 160), GT(B, 80),14)
| Add a [[Heat Overlay]], and open its configuration wizard.
| Continue to the step regarding Foliage, and in that step opt to use a grid as input.
| As foliage input grid, select the configured [[Combo Overlay]].
| The [[Heat Overlay]] now performs calculations using foliage which is derived from infrared imagery.
}}
{{article end
|howtos=
[[How to use a Infrared WMS to estimate foliage height]]
}}

Revision as of 10:19, 22 December 2023


Editor → Current Situation (Ribbon tab) → Overlays (Ribbon bar)
How to compute a foliage estimation from an infrared WMS:
  1. Add a new WMS Overlay, with "Infrared" as its Project Source. This source is available by default.
  2. Select the most recent infrared layer.
  3. As result type, select the "Red" color channel.
  4. Add a Combo Overlay, and set Grid Overlay "A" to the created WMS Overlay with the Infrared Project Source.
  5. As formula for the Combo Overlay, enter "GT(A, 160)"
  6. Duplicate the WMS Overlay, and set the result type of the duplicate to the "Green" color channel.
  7. Add the second WMS Overlay to the Combo Overlay as Grid Overlay "B".
  8. Change the formula for the Combo Overlay to MUL(GT(A, 160), GT(B, 80),14)
  9. Add a Heat Overlay, and open its configuration wizard.
  10. Continue to the step regarding Foliage, and in that step opt to use a grid as input.
  11. As foliage input grid, select the configured Combo Overlay.
  12. The Heat Overlay now performs calculations using foliage which is derived from infrared imagery.

How-to's

How to use a Infrared WMS to estimate foliage height
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