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Survey system

Survey system type

Area/polygon arrays simulate cameras distributed across a two-dimensional area. Linear/track arrays simulate cameras and movement along a linear feature such as a road, firebreak, fenceline, drainage line or linear feature.

Simulation purpose

Starting location mode

Random-start simulation

Number of simulated animal-days/nights

Resident individuals

Number of resident individuals

Days/nights per individual

Minimum spacing between resident home centres (m)

Start-point variation around home location (m)

Constrain resident movement to home-range radius

Resident home-range radius (m)

Spatial inputs

Spatial mode

Upload boundary polygon

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Use uploaded camera point layer

Upload camera points

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Fallback CRS for uploads without a valid CRS

Generated camera array

Camera layout

Number of cameras

Camera spacing / minimum spacing (m)

Array area expansion factor

Grid dimensions

Grid rows

Grid columns

Random constrained uses spacing as a minimum distance. Automatic grid uses spacing between grid lines. If user rows/columns are selected, rows × columns overrides the number-of-cameras control; if a boundary excludes some positions, all valid grid points inside the boundary are used.

Linear camera array

Linear track length (m)

Number of cameras along line

Camera placement along line

Minimum distance between cameras along line (m)

Linear system half-width above/below line (m)

Map display half-width only (m)

End buffer beyond first/last camera (m)

Linear mode defines the landscape from the line. Use regular spacing to distribute cameras evenly, or constrained random placement to set a minimum along-line distance.

Uploaded camera array

Starting-area buffer around uploaded camera array (m)

Used only when camera points are uploaded without a boundary polygon. This internal, non-visible area controls where random starts and resident home centres can occur. It is not treated as a hard ecological boundary unless edge-constrained movement is selected.

Detection method

Use investigation radius instead of camera view wedge

Detection distance (m)

View angle (degrees)

Mean camera bearing (180 = south)

Bearing variation SD

Investigation / detection radius around camera point (m)

Track / line feature width (m)

Camera angle along line (0 = directly across, degrees)

Camera detection range (m)

Camera field of view (degrees)

Linear cameras are still directional cameras. They are placed at the edge of the line feature and face across the line, or up to 60 degrees along it. Detection range is often constrained by track width, but can be increased when cameras look partly down the track.

Movement

Movement type

Outward daily/nightly movement distance (m)

Movement step length (m)

Add return leg back to start/home area

Return-to-start tolerance (m)

Edge behaviour

Linear / track movement

Outward daily/nightly movement distance (m)

Start distance from line (m)

Movement step length (m)

Probability of continuing along the line at each step

Typical lateral meander envelope around line (m)

Probability of meandering back toward line at each step

Use hard maximum distance from line

Hard maximum distance from line (m)