User`s guide

Prepare the Floor Drawings
6-2 Using RF Planning
Prepare the Floor Drawings
IfyouplantoimportAutoCADDXF™orAutoCADDWGfilesintoRASM,youshouldperform
some“cleanup”workbeforeimportingthefiles.Doingthisworkbeforeyouimportthefilesinto
RASMcreatesamorecompactfile,requiringlessstoragespace.Typically ,themoreCADdiagram
cleanupthatis
donewithintheCADsoftware,themoresmoothlythedrawingwillimportinto
RASM.
PerformthefollowingstepstocleanuptheAutoCADfile:
1. Performanaudit
2. Turnon,unlock,andunfreezealllayers
3. Removeunnecessarynotations
4. Purgeunusedblocks,linetypes,andlayers
Typically,basedonthedrawingtechniquechosenwhenthe
drawingfilewascreatedinAutoCAD
orTurboCAD,asingleobjectmightbedrawnwithmorethanoneline;forexample,walls.When
suchanobjectisimported,itresultsinmorethanoneobjectinRASM.Toavoidtheactualobject
beingdefinedasmorethanoneobstacle,delete
parallellineswithinacertaindistance.
Anothermethodyoucanusetoachievethesameresultistogroupallthelinesintooneobject.For
example,youmightgroupfourlinesthatformanofficeorconferenceroomtocreateone
attenuationfactorforthatentirearea.Or,groupmultiple
linesthatweredrawninthefloorplanto
createabiggerline.
Groupinglinesisnotalwaysrecommended.Forexample,groupinglinesintooneobjectdoesnot
workwellwithpolylines.GroupedpolylinesarerecognizedbytheplanningtoolinRASMasa
single,monolithicobstacle.Thiscausesincorrectresults
whenviewingRFcoverage.
AfteryouimportthefileintoRASM,youhavetheopportunitytoremoveanyunnecessaryobjects
overlookedduringyourinitialpreparationofthefloordrawings.Todothis,youcanusetheClean
LayoutfeatureandothereditingtoolsintheBuildingwizard.
Formoreinformationabouthow
topreparetheAutoCADfilesforRASM,refertotheRoamAbout
SwitchManagerInterfaceReferenceGuide.
Note: If your floor drawings are contained in JPEG or GIF files, this step does not apply. Go directly
to “Define Site Information” on page 6-3.
Note: Objects must not be RF Obstacles or Groups before Clean Layout is performed.