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Sometimes there is a layer that you
just can't get rid of. Here's several tried and true resolutions for
deleting those pesky layers!
First, open the properties box and use the Quick select
filter button to find all entities whose layer equals the one you want to
delete. This usually finds any objects on the problem layer and lists
them right there in the Properties box. Simply change the layer
properties of the chosen entities or decide that you do need that layer for
those objects. If no objects are selected don't forget to look in the
layout tabs for objects. The quick select filter dialogue will not
find objects in paperspace if run from the modelspace tab.
The second option is fairly common.
You have an empty block definition on the problem layer. use the Erase
Blank Block PostalCAD utility to delete the definition and then use the
Purgeall.
The third scenario comes with a big
warning, as does the command line, when using this method. A deeply
nested object within a block definition usually is the culprit here.
Draw a line on the problem layer. Go to the Express menu and under the
Layers cascade issue the layer delete utility. Select the new line
with the correct layer properties and prepare for a stern warning at the
command line.
******** WARNING ********
You are about to permanently delete layer 2 from this drawing.
Do you wish to continue? [Yes/No] <No>:
Type in Y for yes, if you are
absolutely sure there are no objects on the said layer. Should there
be an object on that layer, you will be told via the command line what the
object or objects are. Typically there are no objects, the layer is
corrupt, and the effected layer is deleted from the drawing. Don't
abuse this utility! You could very easily delete some needed
information. Always use the Saveas command before using it.
Also, use the Layer All PostalCAD command beforehand to visually show all
layers or check the drawing using the Layer Viewer.
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