Construction (Process operations)

Select Create > Process > Construction

Creates a rectangular Polygon around a centre point.

Property

Value

Angle The rotation angle of the rectangle, in degrees anti-clockwise from east/the X axis as a simple value or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 10

Height*

 The height of the rectangle as a simple value or as an expression, eg '12.34' or '_sy#'Example: 60000

Origin X

 The X coordinate of the centre of the rectangle as a simple value or as an expression eg '12.34' or '_ox#'Example: 550065

Origin Y

 The Y coordinate of the centre of the rectangle as a simple value or as an expression, eg '43.21' or '_oy#'Example: 329128

Width*

 The width of the rectangle as a simple value or as an expression eg '43.21' or '_sx#'Example: 50000

Here is an example using the above values:

See also Rectangle.

Creates an elliptical Polygon. See also Ellipse (Command).

Property Value
Angle The rotation angle of the ellipse's major axis, in degrees anti-clockwise from east/the X axis, as a simple value, or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14'
Height* The height of the ellipse (the minor axis), as a simple value, or as an expression, eg '12.34' or '_sy#'
Origin X The X coordinate of the centre of the ellipse as a simple value or as an expression, eg '12.34' or '_ox#'

Example: 550065
Origin Y The Y coordinate of the centre of the ellipse as a simple value or as an expression, eg '43.21' or '_oy#'

Example: 329128
Width* The width of the ellipse (the major axis), as a simple value, or as an expression, eg '43.21' or '_sx#'

Creates an Item from OGC Well-known Binary

Expression*

The WKB value, as a simple property name or as an expression, eg 'OtherWKB@' or 'ST_AsBinary( ST_GeomFromText( "LINESTRING(0 0, 20 30)",27700 ))'

Creates an Item from OGC Well-known Text.

Expression*

The WKT string, as a simple property name or as an expression eg 'OtherWKT$' or 'LINESTRING(0 0, 20 30)'

Creates a LineString from a bearing and distance.

Property Value
Bearing* The bearing, in degrees clockwise from north, of the line, as a simple value or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 30
Distance*

The length of the line, as a simple value, or as an expression eg '12.34' or 'Max(123.4,broadcast_range#))'

Example: 100000
Origin X

The X coordinate of the start of the line as a simple value or as an expression, eg '12.34' or '_ox#'

Example: 519312
Origin Y The Y coordinate of the start of the line, as a simple value, or as an expression, eg '12.34' or '_oy#'

Example: 224557

Here is an example using the above values:

See also LineString (Command).

Creates a Point Item.

Property

Value

Origin X The X coordinate of the point as a simple value or as an expression, eg '12.34' or '_ox#'
Origin Y The Y coordinate of the point,as a simple value or as an expression, eg '43.21' or '_oy#'
Origin Z The Z coordinate of the point as a simple value or as an expression, eg '21.43' or '_oz#'

See also Point (Command).

Creates random points inside a Polygon.

Number of points*

The number of points to create, as a simple value or as an expression, eg '64' or 'Max(64,Int(Floor(0.5*(_sx#+sy#))))'

Example: 64

Here is a display using a value of 64 for the Number of points:

Creates random points along a LineString

Number of points*

The number of points to create, as a simple value or as an expression, eg '64' or 'Max(64,Int(Floor(0.5*(_sx#+sy#))))'

Example: 64

Here is a display using a value of 64 for the Number of points:

Creates a sector Polygon from a bearing and angle.

Property

Value

Angle The angle, in degrees, of the sector cone, as a simple value, or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 45
Bearing* The bearing, in degrees clockwise from north, of the sector, as a simple value, or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 200
Origin X* The X coordinate of the origin of the sector, as a simple value, or as an expression, eg '12.34' or '_ox#'Example: 559148
Origin Y* The Y coordinate of the origin of the sector, as a simple value, or as an expression, eg '43.21' or '_oy#'Example: 281145
Radius The sector radius, as a simple value, or as an expression eg '12.34' or 'Max(123.4,broadcast_range#))'Example: 5000

Here is a display using the above values:

Creates a sector Polygon from a start and end angle.

Property

 Value
End angle* The end angle in degrees anti-clockwise from east/the X axis of the sector as a simple value or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14'

Note: The End angle value must be greater than the Start angle value.

Example: 70
Origin X* The X coordinate of the origin of the sector, as a simple value or as an expression eg '12.34' or '_ox#'Example: 559148
Origin Y* The Y coordinate of the origin of the sector as a simple value or as an expression, eg '43.21' or 'oy#'Example: 281145
Radius The sector radius as a simple value or as an expression, eg '12.34' or 'Max(123.4,broadcast_range#))'Example: 50000
Start angle* The start angle in degrees anti-clockwise from east/the X axis of the sector as a simple value or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 20

Here is a display using the above values:

Creates a text item.

Property

 Value
Height The height of the text as a simple value, or as an expression, eg ‘12.34 or ‘Height#*1.6‘
Origin X* The X coordinate of the item as a simple value or as an expression eg '12.34' or '_ox#'Example: 559148
Origin Y* The Y coordinate of the item as a simple value or as an expression, eg '43.21' or 'oy#'Example: 281145
Origin Z* The Z coordinate of the item as a simple value or as an expression, eg '21.43' or '_oz#
Start angle* The start angle in degrees anti-clockwise from east/the X axis of the sector as a simple value or as an expression, eg '43.21' or 'Acos(0.728849*180/3.14' Example: 20

Joins the origin points of Items together into a LineString Item. No input values required.

Joins the origin points of Items together into one or more LineString Items.

Property Value
Copy attributes The source of any attributes to copy to the created item(s) or None to ignore attributes, possible values are None, First Item or Last item. Example: First Item
Create 'chunks' Should batches of points be converted into LineString Items (instead of a single LineString that joins all of the points)? True or False. Example: True
Number of points per 'chunk' Selecting True will make the Number of points per 'chunk' become active. Enter the number of points to be included in each 'chunk'.Example: 5

Here is a display using the above values: