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Version française

Menu: Survey / Create polylines


Main interface

The create polygons The "create polyline" tool allows the user to draw polylines directly in the project. Polylines may be created freely or on a plane. Polylines may be linear or have an arc "Line" or "Arc".


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Polylines may be selected or deselected, this will show or hide them. Items may have their colors changed by clicking on the color box. The create polylines tool has a few options to manage any lines in the item list - see their description here:

IconDescription

Deletes all selected polylines in the item list

Add a new polyline to the item list

Close the current polyline and start a new line. This option will create a closed polyline.

Aligns the view perpendicular to the selected plane. If no plane is selected, the view will not change.


There are also a few options at the bottom of the window:

  • Save: Saves the selected polylines to a PLN format.
  • Load: Loads a PLN file to the item list while clearing existing items.
  • Append: Adds a PLN file to the item list. Does not clear existing items.
  • Export: Exports selected polylines to DXF, MID or shapefile format.


It is possible to expand a polyline to view the points contained in the line. Click on Points to expand a polyline and view the list. By right clicking on a point in the list, a contextual menu adds a few extra options.

  • Remove all: Empties the points in the list. The polyline will contain 0 points.
  • Remove current: Removes the current point from the list.
  • Insert: Adds a point before the current point and updates the point list.
  • Repick point: Allows the user to repick the selected point. The selected point will be shown in red on the screen.
  • Move up: Changes the order of the current point. May modify the appearance of the polyline.
  • Move down: Changes the order of the current point. May modify the appearance of the polyline.
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Creating polylines

To create a polyline, determine whether it will be created on a plane or not. If the polyline is to be created on a plane, this object must exist in the plane object list and it must be selected in the "Create on a

plane 

plane" drop-down list. Planes may be detected many different ways (see link). If the polyline is to be created freely, leave

the 

the "Create on a plane" box unchecked.

To vectorize a polyline, add

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the 

the "Start pick" mode is activated. Add the points to the polyline by vectorizing points on the screen. Once vectorization is completed, click on 

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on Stop pick 

on "Stop pick" to leave the polyline open. During vectorization, leave the

mode Line 

mode "Line" for a straight line or change to

mode Arc 

mode "Arc" to create an arched line.

The Arc 

The "Arc" mode requires 2 clicks; the first click is the radius and direction of the arc and the next click is the endpoint of the arc. Arcs are not represented in VisionLidar, for this

reason 

reason "Max. segment

length 

length" represents arcs with small linear elements.

Note: It isn't possible to create an arc if the polyline isn't being created on a plane.

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