arcpy.mapping stuff

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08-08-2011 09:14 AM
TedCronin
MVP Honored Contributor
should arcpy.mapping stuff go here, or in python?
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6 Replies
TedCronin
MVP Honored Contributor
Is there a layer limit on how many layers can be listed or limitations with group layers, and or rasters?
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TedCronin
MVP Honored Contributor
running.

import arcpy
from arcpy import env as ENV
from arcpy import mapping as MAP

mxd = MAP.MapDocument (r"C:\beta\Reader_TestReplace.mxd")

for lyr in MAP.ListLayers (mxd):
    print lyr.name
    
del mxd
Is not working either in wing or py window, currently, or its taking a horribly long time, beyond 10 minutes to print out the lyr.name for layers, group layers and rasters.

this is win7.
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TedCronin
MVP Honored Contributor
So  this took easily 20 minutes to print, is that expected?

All County Parcels (Expand to View) 1:25,000

Draw Without Fill Color

Draw With Fill Color

Section Lines

Page Lines 1:80,000; PgNum: 1:25,000

Centerlines 1:60,000;  stname 1:30000

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Cities

County Boundaries

PROP 8 - Agriculture

Ag 2011

Points - Agriculture 2011

Agriculture 2011 1/2 mi radius

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Agriculture 2010 2 mi radius

Agriculture 2010 5 mi radius

PROP 8 - Commercial

Commercial 2011

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Commercial 2010 1 mi radius

Commercial 2010 2 mi radius

Commercial 2010 5 mi radius

PROP 8 - Condos

Condos 2011

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Manufactured Homes 2011

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ManufacturedHomes 2011 2 mi radius

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ManufacturedHomes 2010 1 mi radius

ManufacturedHomes 2010 2 mi radius

ManufacturedHomes 2010 5 mi radius

PROP 8 - Parcels

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Parcels 2011 1 mi radius

Parcels 2011 2 mi radius

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Waterbodies
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MichaelGrossman
Esri Contributor
Hi. The Map Automation forum is the best place for questions specific to arcpy.mapping [http://forums.arcgis.com/forums/176-Map-Automation].  Or you can post to the Python forum if it is a cross cutting question involving all of arcpy.  But let me take a crack at what you've posted so far...

For the ListLayers problem, is the MXD slow to open in ArcMap, or only slow when accessed using arcpy.mapping outside of "CURRENT"?  If there are SDE based layers, we could have a real problem there.  Please reply with more info or log a bug with repro data attached.

For the printing issue, is it slow to print in ArcMap, or only when printing with arcpy.mapping?  If arcpy.mapping printing is slower than ArcMap printing, you may be using an excessively high value for the "image_quality" parameter by accident.

--Michael
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TedCronin
MVP Honored Contributor
ok, I did not see that forum, so I will post there after this post.  Thank you Mike.  i am hopefully going to be more involved with arcpy.mapping, this is only my second day since beta10 using arcpy.mapping, so bear with me.

The mxd points to SDE data, file GB locally, UNC over a network, and there are about 15 broken links.  opening the mxd, is pretty slow, so it may not be just arcpy.mapping.  Broken Links and UNC are probably the biggest culprits.  i am thinking the speed of the mxd with the broken links, is akin to what we experienced at 9.3 or 9.3.1 where there was a perf hit when you had broken links.

What I mean by printing is not actual printing of the mxd, but printing the list, so I can see the data, so see about replaceWorkspaces.  Is it possible to loop through layers and for the replaceWorkspacePath or the finadAndReplace...use the lyr.dataSource as the input, in place of the actual path, is that feasible?
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TedCronin
MVP Honored Contributor
Are there limits to saving out lyr files, where the name in the MXD has a semicolon or parenthesis in the name?  Meaning no special characters in the name is allowed to save out as layer files...
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