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Changing Layer Properties
All of the layer properties displayed in the list can be modified without using the 'Edit' button on the right of the dialog box. Simply click on the item to change. i.e in the picture above clicking on the check box in the column on the 'Block Fill' Layer would move the blue highlight bar to that layer and would un-tick the box (turning the layer OFF). Similarly clicking on the black rectangle in the column on the 'Block Wall' layer would display the colour palette allowing a new colour to be set. The layer name can also be changed. Click on the name to change which will move the blue highlight bar to that layer, then click again and the text will highlight allowing the name to be overwritten/modified as required.
Select the 'Add' button to display the following dialog box.
Click on the style required to select or anywhere outside of the list to cancel.
The visibilty of the layer can be turned OFF and ON with the 'Visible' check box.
The 'Plot' check box can be turned OFF or ON allowing the layer to be included or excluded from prints or plots
If ticked (ON) the 'Locked' check box locks the layer so that no entity on that layer can be modified in anyway until the box is unchecked (OFF).
You can edit multiple layers in the list by clicking in combination with the & keyboard keys.
This button opens up the 'Edit Layer' dialog box. This box has the same layout and parameters as the 'Add Layer' box above and can be modified in the same way.
This button can then be used to delete a layer. A layer must be empty before it can be deleted i.e all of the entities must either be moved to another layer or deleted prior to selecting this option. The 'Current' layer cannot be deleted even it is empty, also a Draft it drawing must contain at least ONE layer, therefore if there is only one layer it cannot be deleted. An appropriate error message will displayed if the selected layer cannot be deleted.
This command deletes any unused layers from the layer list. A message appears to verify your selection.
When selected the following search box appears at the top of the layer dialog box.
The Alias function adds another column to the layer list, the alias column. This is particularly useful when working on imported drawings with lots of layers, you can assign a more descriptive alias to any layer you wish for easier identification,
Layer grouping is an alternative method of layer organisation and is particularly useful for drawings with lots of layers. You can organise layers logically into groups and group branches within the layer dialog box can be expanded and collapsed as required for easier navigation.
Switch on the 'Use Groups' function and the layer dialog box changes.
This button makes the selected layer the current drawing layer and displays the layer name at the bottom of the dialog box. This layer name will be displayed in the 'Layer' field of the if the changes to the layer settings are confirmed by selecting the 'OK' button.
Select this button to save all of the changes to the layer settings.
Select this button to cancel any of the changes to the layer settings.
The 'Untitled' Layer
All Draft it drawings contain a default layer named 'Untitled'. This layer cannot be deleted. In addtion to this anything drawn on the 'Untitled' layer within a Symbol appears on the layer the symbol is set to when it is inserted into another drawing.