Appendices

Mouse functions

Objects in Catalog:

Move mouse

Shows the description of the object on the status bar.

Click

Shows the double-click action on the command line.

Double-click

Opens the object in a new window or shows it in a dialog box.
Exceptions: double-clicking a filter opens the Filter operation dialog box; and double-clicking a script runs the script.

Right mouse click

A context-sensitive menu appears which lists the operations and other commands that can be performed on the object.

Drag to other object

Performs the operation as described on the status bar. The operation's dialog box is displayed. The dragged object is already selected in this dialog box.

Drag to operation

Performs the operation as described on the status bar. The operation's dialog box is displayed. The dragged object is already selected in this dialog box.

Drag to map window

Adds the dragged map to the map window. Also, georeferences and coordinate systems may be dragged to a map window.

Drag to pixel info window

Adds this map (and its attribute table) to the pixel info window.

Drag to drop-down list box

You can drag an ILWIS object from the Catalog to a drop-down list box in a dialog box: the dragged object is selected.

Operations in the Operation-list:

Move mouse

Shows the description of the operation on the status bar.

Click

Shows the double-click action on command line.

Double-click

The operation's dialog box is displayed.

Map window:

Move mouse

The status bar displays the current Column Row number, XY-coordinates, geographic coordinates.

Left mouse down

Shows the code of the element located at the mouse pointer, of the top most layer in the map window which has option Info active.

Right mouse click

A context-sensitive menu appears which gives some short cuts to go to Normal pointing mode, to Zoom In, Zoom Out, or Pan, to Display the Entire Map, or to re-specify display options of all layers that were added to the map window.

Double-click

Depending on how you defined the double-click action: Attributes, Representation, or Execute Action of the top most layer in the map window of which the Info check box has been selected (in the Display Options dialog box of a layer).

All editors:

Click

Clear the current selection and select this element.

Shift+click

Switch selection:

when you click on already selected elements, then these are deselected;
when you click on non-selected elements, then these are selected.

Ctrl+click

Add element to selection.

Ctrl+Shift+click

Remove element from selection.

Double-click

Edit the code of the element that was double-clicked.

Right mouse click

A context-sensitive menu appears which lists actions related to the editor.

Pixel editor and Sample set editor:

Move mouse

The code of the element at the mouse pointer is displayed on the status bar.

Click

Select the pixel; use Shift and Ctrl modifiers as described above.

Drag rectangle

Select all pixels in the area; use Shift and Ctrl modifiers as described above.

Point editor

Point editor - Select mode:

Click

Select the point; use Shift and Ctrl modifiers as described above.

Drag rectangle

Select all points in the area; use Shift and Ctrl modifiers as described above.

Double-click

Edit the code of the point.

Point editor - Add Point mode:

Click

Add a point and immediately edit its code.

Point editor - Move Points mode:

Drag

Take a point and move it to a new position.

Release left mouse

Drop the point at this position.

Segment editor

Segment editor - Select mode:

Click

Select the segment; use the Shift and Ctrl modifiers as described above.

Double-click

Edit the code of the segment.

Segment editor - Add mode:

Click

Enter a segment coordinate. If this is the first coordinate of a new segment, a begin node is created.

  • If AutoSnap is not active, this side of the segment is a loose end.
  • If AutoSnap is active (default) and you start a new segment on top of an existing segment, then the new segment is automatically snapped to the existing one.

Shift+click

Snap to an existing node (to begin or to end a segment).

Ctrl+click

Split and Snap: create a node in an existing segment and snap to it (to begin or to end a segment).

Left Mouse + move

Enter segment coordinates.

Right Mouse

While entering segment coordinates: delete the last coordinate. When the begin node of a segment is reached, this is also removed.

Double-click

While entering segment coordinates: create an end node for this segment. This side of the segment is a loose end.

Shift+release left mouse

While entering segment coordinates: snap to an existing node (to end a segment).

Ctrl+release left mouse

While entering segment coordinates: split and snap: create a node on an existing segment and snap to it (to end a segment).

AutoSnap active:

The option AutoSnap makes the use of Shift and Ctrl keys redundant:

  • when starting a segment on top of an existing one, a node to connect both segments is automatically created and
  • when entering segment coordinates and releasing the left mouse button on top of an existing segment, a node to connect both segments is automatically created.

Segment editor - Move Points mode:

Drag

Take a node or an intermediate segment coordinate and move it to a new position.

Release left mouse

Drop the node or intermediate segment coordinate at this position.

Shift+release left mouse

When moving nodes: snap the moved node to an existing node.

Polygon editor

Polygon Editor - Select mode:

Click

Select the polygon.

Shift+click

Switch selection:

  • when you click on an already selected polygon, then deselect it;
  • when you click on a non-selected polygon, then select it.

Ctrl+click

Add the polygon to the selection.

Double-click

Edit the code of the polygon.

Annotation Text editor:

Double-click

Double-click at a new position to insert a new text item.

Double-click an existing text item to modify text, XY- or RowCol position or change settings like font, font size, color, etc.

Select+drag

Moves the selected text item(s) to another position.

Select+Ctrl+drag

Makes a duplicate of the selected text item(s).

Drag rectangle

Selects all text items in the area.

Table window:

Drag rectangle on fields

Select fields.

Drag column button

Move the column to another position in the table (i.e. change the order of columns).

Drag column button edge

Change the width of the column.

Drag on row buttons

Select the records.

Click field

Edit the field.

Shift+click field

After selecting a field, use Shift+click on another field to select all fields in between.

Click column button

Select the column.

Shift+click column button

After selecting a column, use Shift+click on another column button to select all columns in between.

Click row button

Switch to record view.

Shift+click row button

After selecting records, use Shift+click on another row button to selects all records in between.

Click upper left button

Switch to record view.

Double-click column button

Change the properties of the column.

Drop-down list box in a dialog box:

In a drop-down list box in a dialog box, directories and drives are listed besides the ILWIS objects.

Click directory

Go to that directory, and show the objects in that directory.

Click drive

Go to that drive, and show the objects and directories on that drive.

See also: