Trace Path Options
Trace Path Options allow you to customise how the Trace Line path behaves, giving you greater control over how your measurements are recorded.
Learn more about Trace Path in our Path Types guide.
Flight Points Resolution
Flight points make up the freeform lines when using Trace Line Path – this setting determines the distance between points captured when the device is ‘flying’ between pause points.
You can choose from the following options:
Metric: 0.05m, 0.10m, 0.20m, or 0.30m
Imperial: 0.20ft, 0.40ft, 0.70ft or 1.00ft
By default, 0.10m / 0.40ft is selected.
Lower values capture more detail, while higher values create a more simplified path.
Smooth Trace Curves
To enable or disable Smooth Trace Curves:
Open Settings by tapping the cog icon in the top-right corner.
Tap Measuring Options.
Tap Smooth Trace Curves under Trace Path Options.
Select Yes to enable or No to disable smooth Bezier curves.
Tap on the back arrow in the top-left corner until you return to the canvas.
Trace Path Elevation
In app version 3.0 or newer, Trace Path Elevation provides two options for handling height changes when using the Trace Line path type.
Changes to the Trace Path Elevation setting only apply to new measurements.
To change this setting:
Open Settings by tapping the cog icon.
Tap Measuring Options.
Under Trace Path Options, tap Trace Path Elevation.
Select either Linear Height Smoothing or True Height Trajectory.
Tap Save.
Tap on the back arrow in the top-left corner until you return to the canvas.
Follow these steps to toggle Trace Path Elevation from the canvas:
Tap on File, Open and open a measurement.
Choose your view from 2D or 3D cube.
Tap Edit.
Scroll to Smooth Z / Actual Z.
Tap to switch between Smooth Z and Actual Z:
Smooth Z (Linear Height Smoothing): tap this to flatten minor obstacles like plants or handrails, offering a smoother representation of the path.
Actual Z (True Height Trajectory): tap this to view the unfiltered, precise elevation changes, giving you an accurate representation of the terrain as it was measured.
Understanding Elevation Options
Linear Height Smoothing
This captures height at pause points, ignoring fluctuations in between.
You may want to avoid capturing all the elevation fluctuations that occur when lifting the device (the true flight path trajectory). Linear Height Smoothing applies linear interpolation between pause points, providing a more streamlined representation of vertical changes between points, resulting in a smooth elevation curve.
True Height Trajectory
This captures the actual height trajectory of the device between – and at – pause points.
True Height Trajectory measures vertical movements both between and at pause points, capturing the device’s true height trajectory. Use this option when you need to trace not only a shape’s outline, but also its elevation during movement. If you don’t want to capture elevation changes between pauses, use Linear Height Smoothing instead.
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