警告(CDFINQCONTENTS):坐标变量Xtime可以分配
我的每日WRF输出数量很高,每一天都有24个时间步长。现在,我想将这些单个输出文件组合到一个由此产生的文件中,该文件包括使用cdo mergetime
。我以前在其他上下文中使用其他一些输出文件进行了此操作,并且效果很好。
例如,当我应用此命令时: cdo mergetime wrf_file1.nc wrf_file2.nc output_file.nc
我多次收到以下消息:警告(cdfinqcontents):无法分配坐标可变Xtime
!该过程只有一个警告而不是错误,因此继续。但是它花费太多时间,产生的输出文件太大了。例如,当两个输入文件约为6 GB时,所得的输出文件高于40 GB,这根本没有意义。
有人有想法解决这个问题吗?
I have a high number of daily WRF outputs, each one consisting of 24 time steps for every single hour of the day. Now I would like to combine these single output files to one resulting file that comprises the entire time period by using cdo mergetime
. I have done this before with some other output files in another context and it worked well.
When I apply this command for example:cdo mergetime wrf_file1.nc wrf_file2.nc output_file.nc
I get the following message many times: Warning (cdfInqContents): Coordinates variable XTIME can't be assigned!
Since it is only a warning and not an error, the process continues. But it takes way too much time and the resulting output file is way too big. For example, when the two input files are about 6 GB, the resulting output file is above 40 GB, which does not make sense at all.
Anybody with an idea how to solve this?
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合并文件可能很大,因为默认情况下,CDO不会压缩输出文件。 WRF文件可能被压缩。
您可以修改调用以压缩输出如下:
The merged files are probably large because CDO does not, by default, compress the output file. And the WRF files are probably compressed.
You can modify your call to compress the output as follows: