diff --git a/markdown-docs/vertex/displacement.en.md b/markdown-docs/vertex/displacement.en.md index 988afb4..5e1ef2e 100644 --- a/markdown-docs/vertex/displacement.en.md +++ b/markdown-docs/vertex/displacement.en.md @@ -9,6 +9,19 @@ The Displacement Tool provides the ability to visualize and interact with these Go to [Displacement Tool](https://displacement.asf.alaska.edu/) to begin using the tool. Note that the Displacement Tool is also available by going to [Vertex](https://search.asf.alaska.edu), and selecting Displacement from the Search Type dropdown. ## Beginning your Displacement Search +### Map Base Layers +The available base map layers can assist you in selecting your AOI. Displacement products are available in areas where Deformation or Velocity data is present. +In the top left corner of the map, you may click the checkbox to select your desired map layer. + +#### Cumulative Velocity +This is a derived layer based on the cumulative deformation layer from the displacement products. +There are separate Ascending and Descending variants, and the layer will update to display the correct direction based on your search filters. + +#### Cumulative Deformation +This layer is based on shortwave displacement. +There are separate Ascending and Descending variants, and the layer will update to display the correct direction based on your search filters. + +### Selecting AOIs When you first access the Displacement Tool, the point selector is active. You may click your desired point(s) on the map. You may also click **Point** for a dropdown list. You may choose to draw a polygon, bounding box, or circle instead. When you are done adding your Areas of Interest (AOIs), click the **Draw** toggle to stop drawing. You may click it again to select more AOIs on the map. @@ -41,22 +54,14 @@ Each Series is color coded. Mousing over the AOI in the AOI list, on the chart, In the header bar, click the **Flight Direction** button to change the flight direction. Changing the flight direction will update the chart, and all selected map layers. -### Map Layers -There are additional map layers available. In the top left corner of the map, you may click the checkbox to select your desired map layer. -Descriptions of each layer are below. - -#### Cumulative Deformation -This layer is based on shortwave displacement. -There are separate Ascending and Descending variants, and the layer will update to display the correct direction based on your search filters. - -#### Cumulative Velocity -This is a derived layer based on the cumulative deformation layer from the displacement products. -There are separate Ascending and Descending variants, and the layer will update to display the correct direction based on your search filters. +### Additional Map Layers +In the top left corner of the map, there are additional map layers available. You may click the checkbox to select your desired layer. #### Rollout This layer provides color-coded priority for Displacement Products creation by region. Regions are prioritized 1 through 3, with 1 being the highest processing priority. Note that some sub-regions may be de-prioritized based on snow cover, vegetation, or other factors. +There are separate Ascending and Descending variants, and the layer will update to display the correct direction based on your search filters. ### Search Tools There are additional options available in the top right of the header bar.