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[IDV #RLA-566527]: IDV for point data scatter plot

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  • Subject: [IDV #RLA-566527]: IDV for point data scatter plot
  • Date: Fri, 28 Jun 2019 10:25:35 -0600
> Dear IDV Development Team,
> 
> I’m currently working in the Data Assimilation team at NCAR. I have some
> netCDF point observation data files (as opposed to gridded data files) and
> would like to plot them using IDV.
> 
> The structure of my netCDF file is as follows:
> 
> dimensions:
> 
> obs = #number_of_obs;
> 
> variables:
> 
> float time(obs);
> 
> double lat(obs);
> 
> double lon(obs);
> 
> double moisture(obs);
> 
> 
> Currently, with IDV, I'm only able to scatterplot the location of the
> observations (see below);
> 
> [image: Screen Shot 2019-06-26 at 2.19.37 PM.png]
> 
> However, I would want to a scatterplot of observations with colors
> indicating their relative values, similar to the plot below (produced with
> Python):
> [image: python plot.png]
> 
> I have gone through the documentation but I have not found the option to do
> so. Could you tell me if IDV is able to display scatter plot of point
> observation data with colors associated with the observation values? If
> not, do you happen to know if there are any GUI tools that can plot netCDF
> point observation data files like the one produced with Python above?
> 
> Thank you,
> Jason
> 
> 
Hi Jason,

The point data scatter plot is not supported in the current release. One option 
is to use "Gridded Fields" that
basically interpolate all point into a 2D gridded field, and you can do the 
scatter plot from there.


Yuan 

Ticket Details
===================
Ticket ID: RLA-566527
Department: Support IDV
Priority: Normal
Status: Open
===================
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