How to turn off layers in ArcMap via ArcPy?

How to turn off layers in ArcMap via ArcPy?

Turning off layers in ArcMap via ArcPy? I’m working on a script in ArcMap 10.1 that takes a screenshot and I need to know how to extinguish (turn off) a layer in my table of contents. The Layer object has a read/write property, visible, that can be used to turn on/off layers.

What does a for loop do in ArcPy?

For loops on a list provide an easy mechanism to iterate through each item in a list (e.g., for df in arcpy.mapping.ListDataFrames (mxd): ). Wildcards are not case sensitive. A wildcard string of “la*” will return a data frame with a name Layers.

How to return a Dataframe object in ArcPy?

In order to return a DataFrame object, an index value must be used on the list (e.g., df = arcpy.mapping.ListDataFrames (mxd) [0] ). For loops on a list provide an easy mechanism to iterate through each item in a list (e.g., for df in arcpy.mapping.ListDataFrames (mxd): ). Wildcards are not case sensitive.

How to get started with arcpy.mapping in Python?

Drag the Python window to the docking anchor located at the bottom of the ArcMap application and release the button. Click in the code pane (with the >>> characters) of the Python window. You should see some help text appear in the help pane to the right.

How to make a feature class unique in ArcPy?

If the name already exists in the output geodatabase, a number will be appended to the end to make the feature class name unique (for example, rivers_1). You can also control the name of the input feature class manually.

Do you turn off the layers as you add them?

The above answer works great, though if someone does further analysis with the layer than this example, order of use of the .visible property becomes important. Won’t turn off the layers as you add them. But, the following will:

How to move feature classes to feature datasets?

Basically, we have a backup of an AGOL GDB but in that backup there were no Datasets–everything was in the root of the FGBD that was downloaded from the AGOL site. However, the source data, which was used to publish to AGOL, did have Datasets (well, only one called ‘Sewers’) and we needed to have that Dataset back in the final/output GDB.

When to call stopediting in ArcGIS help 10.1?

To complete an edit session, call stopEditing, which accepts a Boolean parameter that indicates whether the changes made within the session should be committed or discarded. Deviating from this pattern can cause unexpected results. For example, stopEditing should not be called while an edit operation is in progress.

How to start an edit session in ArcGIS?

Before starting an edit session, make sure that all of the datasets to be edited have been opened. The startEditing method is used to start an edit session and the startOperation method is used to start an edit operation. To commit an edit operation, call stopOperation. To cancel an edit operation, call abortOperation.

How is the editor class used in ArcGIS?

The Editor class can be used to start an edit session with versioned or nonversioned datasets. Before starting an edit session, make sure that all of the datasets to be edited have been opened. The startEditing method is used to start an edit session and the startOperation method is used to start an edit operation.

What is the read / write property of a layer object?

The Layer object has a read/write property, visible, that can be used to turn on/off layers. I wanted to add something I hope is helpful from my experience. The above answer works great, though if someone does further analysis with the layer than this example, order of use of the .visible property becomes important.

When does arcpy.delete _ management throw an error?

Running from Stand-Alone script (ie. NOT within Arcmap) If the group layer “ACAD” can be deleted that also removes “CADAnnotation” that would be great. the line arcpy.Delete_management (“CADAnnotation”) does not work throws an error.

How to remove a layer from a MXD?

If you just want to remove the layer from your mxd, replace arcpy.Delete_management (“CADAnnotation”) with arcpy.mapping.RemoveLayer (df, lyr) If you want to delete the data source you can do this.