CARIS HPD : Portrayal : Dynamic Cartography : Examples : Sector Lights
 

Sector Lights

Dynamic cartography can be applied to customize the following sector light graphic elements:

Solid or dashed limit lines

Arm length

Light sector colour

Sector arc style. location and annotations

Sector band width and location

Annotation location.

This example shows how to interactively link a geographic feature (LIGHTS) and a cartographic feature (sector) and then edit the cartographic feature.

Prerequisite: A LIGHTS feature with a sector defined.

The following attributes are set.

Attribute

Value

COLOUR

3

HEIGHT

6.1

LITCHR

2

SECTR1

225

SECTR2

325

SIGGRP

(1)

SIGPER

2.5

VALNMR

4

The sector light, similar to the one below, is displayed.

1. Select the Create Point Feature command.

The Select Object Acronym dialog box is displayed.

2. Select Cartographic from the Class Type Filter list, and select sector from the Object Acronym list.

3. Click OK.

4. In the Attributes window, enter attributes as shown in the table below.

Attribute

Acronym

Value

Length of sector one

lenone

40

Length of sector 2

lentwo

40

Limit pattern

limpat

2

Colour band inner radius

bandir

30

Colour band outer radius

bandor

33

Arc distance

arcdis

40

Annotation distance

anndis

42

Light flare

lflare

1

Light flare angle

flarea

45

5. Press <S> to snap the sector feature to the LIGHTS feature.

6. Select both the LIGHTS and sector features,. Make sure that the LIGHTS feature is superselected.

7. Select the Create Annotation Link command.

An annotation link is created between the sector feature and the LIGHTS feature. The cartographic feature display overrides the LIGHTS feature display. The sector feature is drawn according to templates in DCLIGHTS.xsl.

8. Select the sector feature, and then select the Edit Cartography command.

The sector feature is in edit mode. Handles are displayed on individual elements of the feature.

9. Use the mouse to drag a handle to a new position.

For example, a colour band is expanded by moving the outer edge.

10. When finished, select the Edit Cartography command a second time.