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Draw and import vector layers🔗

Use vector layers to mark measurement locations and define areas on the map. You can draw points, lines, and polygons, or import features from a GeoJSON file.

Open vector layers🔗

  1. Open a site and analysis.
  2. Click the stacked layers icon in the left toolbar to open Layers.
  3. Select the Vectors tab.

Drawings are stored locally in your browser and may be lost if you clear its cache or cookies.

Create measurement site points🔗

A named point layer helps you return to the same measurement locations when reviewing deformation at different times.

  1. Click + New and choose Point Layer.
  2. Rename the layer Measurement Sites, or give it another descriptive name.
  3. Click + on the layer card to add features.
  4. Click each location on the map where you want a measurement point.
  5. Click + again to leave drawing mode.

The layer card shows the number of points you have added.

The New vector layer menu with Point Layer, Line Layer, and Polygon Layer options, beside the Import GeoJSON control.

To inspect a measurement location, select POINT in the Time Series toolbar and click its location on the map. Iris displays the deformation time series for that location. Use the same marked locations when returning to your measurements. See Inspect and compare point deformation for point chart controls.

A Measurement Sites layer containing seven points, with the time series for a selected location beneath the map.

Import GeoJSON features🔗

Use Import GeoJSON in an empty vector panel, or Import at the top of the Layers panel, to load a .geojson file. Select the file containing the features you want to add.

Importing existing features lets you use predefined measurement locations or boundaries alongside your deformation analysis.

Draw an export AOI🔗

Create a polygon to define an area of interest (AOI) for an export.

  1. In Layers → Vectors, click + New and choose Polygon Layer.
  2. Rename the layer Export AOI.
  3. Click + on its layer card to enter drawing mode.
  4. Draw and complete a polygon around the area you want to export.
  5. Leave drawing mode when you have finished.

The polygon appears on the map, and its layer card shows the polygon count. Choose this layer in the Export panel to export analysis data within the AOI.

The Export AOI polygon layer above Measurement Sites, with a shaded polygon outlining the intended export area.

You can also select an existing polygon to view the average deformation within its boundary.

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