4.11. Selection

Objects, Bodies, Regions and/or Zones can be selected either:

  • From the Object and/or Properties list boxes. Holding [Ctrl] toggles the selection, and holding [Shift] selects a range of items

  • Graphically using the action [s] select.gif with the <Left-Mouse> button

    • [Ctrl] + left-mouse-button toggles the selection (select/unselect);

    • Area selection: Click on the background and drag the mouse to draw a rectangle area. Everything inside the area will be selected. Also holding [Ctrl] pressed will toggle the selection.

Note

  • The Selected items (from the filtered ones) are visible when the select.gif check box on the object listbox is pressed

  • OBJECTS:
    • highlighted in magenta

    • can be graphically modified

  • BODIES: The selected bodies are:
    • outlined in magenta

    • yellow dots appear on their vertices and intersection with other bodies. They can be used as snapping points

    • the action handlers appear on the last selected body, permitting to move/rotate/resize the body (see Bodies)

    • highlighted also into the object list in the left bar

    • Their common properties & attributes will be displayed on the list boxes.

  • REGIONS:
    • The selected regions are shaded with a darker or lighter color;

    • Clicking on a point of overlap of two or more zones ALL overlapping zones will be selected

  • ZONES:
    • The select zones are shaded with a hash pattern;

    • To select a zone first you have to select ONE REGION;

    • Then click on point that belongs to the zone;

    • Or select the zone from the Properties Listbox;

  • [ESCape] cancels the selection

4.11.1. Selection Freezing

When repeated operations have to be performed with involving some bodies or regions, the user can LOCK the selection of this bodies/regions with:

  • Menu → Tools → Selection → Freeze

  • Go to the Attributes and click on Lock [X] check box

  • or <Right-click> → Selection → Freeze

  • or Shortcut [l]

  • or Icon lock.gif on the ribbon

Warning

is very important to remember to UNLOCK at the end of the operation