Manage Map Server Cache Scales

Summary

Updates the scale levels in an existing cached map or image service. Use this tool to add new scales or delete existing scales from a cache.

Usage

Legacy:

Parameters have changed for this tool at version 10.1. Models and scripts written prior to 10.1 that use this tool will need to be modified to work in 10.1.

• If you remove scales from an existing cache, it will permanently delete all existing cached tiles within that level of detail.

Syntax

ManageMapServerCacheScales_server (input_service, scales)

Parameter	Explanation	Data Type
input_service	The map or image service for which you want to add or remove cache scales. This is a string containing both the server and service information. To see how to construct this string, open ArcCatalog, select your service in the Catalog tree, and note the text in the Location toolbar. Then change the backslashes to forward slashes, for example, GIS Servers/arcgis on MYSERVER (admin)/USA.MapServer.	String
scales [scales,...]	The scale values to be included in the updated tiling scheme. Caution: You must specify existing scale values if you want to keep them. Any existing scale levels you do not specify in this tool will be permanently deleted. For example, if you have four existing scales and you wish to add two scales, make sure your final list has a total of six scales.	Value Table

Code Sample

ManageMapServerCacheScales exampleThis example modifies a map cache tiling scheme to contain four scales.

# Name: ManageMapServerCacheScales.py
# Description: The following stand-alone script demonstrates how to add/delete
#               MapServer cache scales for a map service with an existing schema
#               
# Requirements: os, sys, time & traceback modules

# Any line that begins with a pound sign is a comment and will not be executed
# Empty quotes take the default value.
# To accept arguments from the command line replace values of variables to
#                                                           "sys.argv[]"

# Import system modules
import arcpy
from arcpy import env
import os, sys, time, datetime, traceback, string

# Set environment settings
env.workspace = "C:/data"

# List of input variables for map service properties
connectionFile = r"C:\Users\<username>\AppData\Roaming\ESRI\Desktop10.1\ArcCatalog"
server = "arcgis on MyServer_6080 (publisher)"
serviceName = "Rainfall.MapServer"
inputService = connectionFile + "\\" + server + "\\" + serviceName
scales = "250000;125000;64000;5250"

currentTime= datetime.datetime.now()
arg1 = currentTime.strftime("%H-%M")
arg2 = currentTime.strftime("%Y-%m-%d %H:%M")
file = 'C:/data/report_%s.txt' % arg1

# print results of the script to a report
report = open(file,'w')


try:
    starttime = time.clock()
    result = arcpy.ManageMapServerCacheScales_server(inputService, scales) 
    finishtime = time.clock()
    elapsedtime = finishtime - starttime

    #print messages to a file
    while result.status < 4:
        time.sleep(0.2)
    resultValue = result.getMessages()
    report.write ("completed " + str(resultValue))
    
    print "Updated the number of cache scales successfully for " + serviceName
    " in " + str(elapsedtime) + " sec \n on " + arg2

except Exception, e:
    # If an error occurred, print line number and error message
    tb = sys.exc_info()[2]
    report.write("Failed at step 1 \n" "Line %i" % tb.tb_lineno)
    report.write(e.message)
report.close()
    
print "Updated Map server Cache scales "

Environments

This tool does not use any geoprocessing environments

Licensing Information

• ArcGIS for Desktop Basic: Yes
• ArcGIS for Desktop Standard: Yes
• ArcGIS for Desktop Advanced: Yes

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