zooming and picture quality

Hi all,

I have two questions.

1. In my attached script Moti3.ncl, I have two plots and am trying to overlay plot1 on plot2.
I can zoom plot2 but can not zoom plot1. However, I can overlay plot1 on plot2.
If somebody has similar problem and knows the resolution, I will appreciate the help.

2. I am using Imagemagick (convert command)
convert -density 300 -resolution 800 X 600 wind.ps wind.png
but it says convert does not have the resolution option.
Is there another way to specify the resolution?

Thank you.

Moti
Professor, Department of Environment and Occupational Health
College of Public Health
University of South Florida
13201 Bruce B. Downs Blvd., MDC56
Tampa, Fl 33612-3805

Tel: (813) 974-9571
Fax: (813) 974-4986
Email: mmittal_at_health.usf.edu

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