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>From: "venkatasivaram patiballa" <address@hidden> >Organization: Western Michigan University >Keywords: 200410050015.i950F0b6008811 Hi- >Institution: western michigan university >Package Version: 1.1 >Operating System: os.name:Windows XP; os.arch:x86; os.version:5.1; >Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_01 > ; java.home:C:\\Program Files\\IDV_1.1\\jre; >Inquiry: i am working on my research with 20 years data from 1981-1999 >the data is netcdf data for u-wind component , v-wind component, >geo potential height. > the contour interval values , base contour, minmum, maximum >values are different from standard >Example : >for geopotential height, for current 2004 data >the maximum is 16000 but in >my data it shows from -89 to 31000 >and every time i have to change it to 0 to 16000 >since it is height value >contour interval should be 60, but it is not 60 >please advise You can set the default values for any parameter using the Parameter Defaults Editor accessed from the Edit->Resources->Parameter Defaults menu. For your netCDF file, you will need to know the name of the height variable. You can get this by putting the mouse over the variable name in the Fields panel of the Data Selector. The tooltip that pops up will show the netCDF variable name (e.g., Z) and the long name. Use the variable name for the parameter defaults. If you would like to set your own defaults (as opposed to the system defaults for height), follow these directions. When you open the parameter defaults editor, you will see a set of tabs and the left-most one should be selected. If there is a blank line already there, double click in the parameter column and type in the name of your variable (all lowercase) and hit return (this is important). If there is not a blank row there, right click on an existing panel and select the New Row option from the pop-up menu and enter the parameter name in the new row as describe above. You can then set the defaults for each of the columns by right clicking on the row and selecting the appropriate option for the column you wish. For your request, use the Set Contours option and set the contour interval to 60, set the base to 0, the minimum to 0, and the maximum to 31000. Set the color table and the color table range if you want as well. Then click the OK button. See the section Parameter Defaults Editor under the Tools section of the User Guide for more information. If you want to use the system defaults for height and apply them to your data, you can add your parameter name to the list of aliases for the IDV's system geopotential height variable (Z). Instead of using the Parameter Defaults Editor, use the Parameter Alias Editor accessed from the Edit->Resources->Parameter Aliases menu. When you open this dialog, you will see two or more tabs. Click on the rightmost tab (the system aliases) and find the row with Z under the Name column. Right click on the row and select the "Copy to User Table" option from the pop-up menu. Then click on the left-most tab (the user aliases) and see that the entry has been copied to this table. Right click on the row and select the Edit Entry option from the pop-up menu. In the Aliases box, enter the name of your height variable to list on a new line. Click the OK button on the editing dialog, then click OK on the Alias Editor dialog. Either of these methods should allow you to set the defaults for your particular variables. Don Murray NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.