Spectra-precision Survey Pro v3.80 Recon iPAQ User Manual Uživatelský manuál stáhnout pdf (Strana 120)

User’s Manual

112

Select Your Layers

Tap from the Setup DTM 3D screen to

open the Layers for Staking DTM screen.

Select the layer that you want to use for the

points that are valid for TIN generation from the

first dropdown list.

Check the

Select Auxiliary Layer

checkbox to

automatically store any points or break-lines

that cannot be used for TIN generation to a

specific layer and then select the layer from the

lower dropdown list. Examples of invalid objects

would include a polyline that extends outside the

boundary or a point with identical coordinates to

another point, but with a different elevation.

Leaving this box unchecked will result in a

prompt to select a layer when an invalid object is to be stored.

Tap OK to return to the Setup DTM 3D

screen.

Select a Boundary (optional)

You can optionally define a boundary using a closed polyline for the

points that are staked, which will limit the computation of the TIN

surface within the selected boundary.

A valid polyline must be closed, and the line must not cross over

itself, such as in a figure eight.

To select a boundary, tap the button, which will

open the Choose Polyline screen.

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Spectra-precision Survey Pro v3.80 Recon iPAQ User Manual Uživatelský manuál Strana 120