Choose the command Manager from the Multiple Representation menu and click on Enable multiple representation to enable this function.
- The file must be saved before it is possible to enable Multiple Representation
- Once activated, this function can't be disabled for the file again.
- Enter a distinctive project name.
- Click on the Add button.
- The new representation gets listed in the left panel at the end.
- The activated representation get's shown at Representation currently showing, above Add representation.
- To change the active representation, the desired representation has to be double clicked.
This function allows to see the difference between the currently activated representation and the original map. For all objects that has been altered with the original one is shown in Keyline.
The definition of an extend should be understand as guidelines to help defining areas the representation should be done. The extent doesn't prevent from altering objects outside the defined area.
- Click on the Define button.
- A black rectangle gets shown, which can be moved and changed in size.
- Click on the Save button to save the current extent.
- The extent gets shown with a red frame.
In the settings tab it is possible to select the behavior for the deletion of objects.
The behavior can be chosen between:
- Ask every object retain or delete
- A message will occur for every object if it should be retained in the representations (it means a copy is created for every representation) or it should be deleted. Any changes to the object in a representation will be kept.
- Delete only original, retain in representation
- The object will be removed from the original map but will be retained in every currently available representation. Same as above but with the fixed answer to yes.
- Delete original and representation
- The object will be deleted from every representation without keeping changes or anything.
Copy to representation
If you deleted one or several objects from a representation you can undo the deletion by going to the original map, select the objects an open the right-click context menu. It will expand with the menu item Copy to Representation and showing all defied representations. This can also be used to revert changes from objects to the original objects. If you copy objects from the original map to the representation and they have been changed, all changes will be overwritten.
Example - How OCAD Multiple Representation is meant to work.
Multiple Representation of objects in OCAD is meant to enable the ability for different representations of map objects, variation of places for texts due to map borders and also different languages. All of it will be maintained in a single OCAD file. The following example is taken from the OCAD sample maps set "Sirnach".
The map has three different representation with slight changes. For the representation currently showing the area is defined around the highway intersection and the public park bath Murg. The map title is approach plan. As can be seen from the original map, there has not been any map title nor would the highway symbol be in the border, this has all been done in the representation.
Another representation is showing the same area for the approach plan but with a German title.
Yet another example from the same map shows another area where the place names has been moved into the desired area and also two buildings have been re-styled to show of that different symbolisation can be done within the multiple representation.
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