Editing a background

1.  In the Network editor window, click the Edit mode icon .

2.  In the Network window, click the Backgrounds button.

3.  Click in the network display.

The Managing background objects window opens.

4.  Make sure that the desired background is selected from the table of backgrounds.

5.  Click the Edit button.

The Background objects window opens.

6.  Make the desired changes.

Element

Description

File name

Display of the file name of the selected background

Image size

Display of the original size of the background file

Use tie points

If this option has been selected, you can position the background using tie points.

Top left

Specify coordinates for upper left corner of the image

Note

If you have selected the option Use tie points, you can define the Top/Left tie point (Setting a tie point).

Drop-down list

From the list, select the desired method by means of which you want to define the size of the background. Depending on the selection the corresponding text boxes are displayed.

Size = factor * image size

The Factor section is displayed.

Note

Reduction: Values between 0 and 1

Enlargement: Values above 1

Proportional enlargement/reduction: Enter the same value in either box

Horizontal

Factor by which the breadth of the background is to be changed.

Vertical

Factor by which the height of the background is to be changed.

Point Bottom/Right

The section Bottom/Right is displayed.

Define coordinates of the lower right corner of the image

Note

If you have selected the Use tie points option, you can define the Bottom/Right tie point (Setting a tie point).

Absolute size

The Extension section is displayed.

Horizontal

Breadth of background in network coordinate units

Vertical

Height of background in network coordinate units

Rotate

Angle in degree by which the background is to be rotated anti-clockwise around the center of the display

Transparency

If this option has been selected, you can select the color contained in the background which is to be displayed transparently via the Transparent color field.

If this option has not been selected, none of the background colors is displayed transparently.

7.  Click the OK button.

The changes are applied and the Background objects window closes.