Problem in adding raster layer from arcpy

Question

I am using the following code to add the raster layer using arcpy in arcmap

def AddRasterLayer(path,layerName):
 layer=os.path.join(path,'new'+str(layerName)+'.lyr')
 mxd=arcpy.mapping.MapDocument("CURRENT")
 df=arcpy.mapping.ListDataFrames(mxd,'*')[0]
 arcpy.MakeRasterLayer_management(Raster(layerName),layer)
 newlayer=arcpy.mapping.Layer(layer)
 arcpy.mapping.AddLayer(df,newlayer,'TOP')
 new_name=arcpy.mapping.ListLayers(mxd,newlayer,df)
 new_name[0].name=str(layerName)
 del layer

After using this function raster layer is added to my current data frame. But when I am using any other tools it is showing as in the image

enter image description here

it is showing all the tree structure of the layer. Why is it so ? I need only the layers name to be displayed here.

Answer 1

This is because you are giving the layer the full path name when you create the Raster Layer. This is what you are doing:

arcpy.MakeRasterLayer_management(Raster(layerName),layer)

The output argument "layer" is a full file path. What you should change it to is this:

arcpy.MakeRasterLayer_management(Raster(layerName),layerName)

This will give you your required result.

I think you are trying to create a layer '.lyr' file using the following code: layer=os.path.join(path,'new'+str(layerName)+'.lyr')

This will not work, to do this please read the following link:

Save To Layer File (Data Management)