<html><head></head><body><div class="ydp635ddcc4yahoo-style-wrap" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><div style=""><div dir="ltr" data-setdir="false" style="font-family: bookman old style, new york, times, serif;">Dear Rick,</div><div dir="ltr" data-setdir="false" style="font-family: bookman old style, new york, times, serif;">The nc file is included a domain including (25-40N, 40-65E) which was downloaded with the attach api script (temp2m09_18.py). As you mentioned the downloaded file has a size more than 6 GB, because of the domain and long term hourly data. Should I break the time period to have smaller size?</div><div dir="ltr" data-setdir="false" style="font-family: bookman old style, new york, times, serif;"><br></div><div dir="ltr" data-setdir="false" style="font-family: bookman old style, new york, times, serif;">On the other hand I would like to interpolate temperature on stations location with the attached script (if I assume short2flt has fixed). How could I write these long data (34*10*365), which 34 is number of stations, 10*365 is number of days?</div><div dir="ltr" data-setdir="false" style="">In other words, the desired quantity "<span style="color: rgb(0, 0, 0); font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif" style="background-color: inherit;">t2m_int2p_mima</font></span>" has 3 dimensions; 1st dimension is related to (min, max, avg), 2nd dimension is related to days which is about 10*365,</div><div dir="ltr" data-setdir="false" style=""><div style=""><div style="font-family: bookman old style, new york, times, serif;">and 3rd dimension is related to stations which is about 34 stations.</div><div style=""><span style="font-family: bookman old style, new york, times, serif;">May I ask how could I write "</span><font face="courier new, courier, monaco, monospace, sans-serif">t2m_int2p_mima</font>" in a table with headers same as below:</div><div style="font-family: bookman old style, new york, times, serif;"><br></div><div style=""> "<font face="courier new, courier, monaco, monospace, sans-serif">stid min(day1) max(day1) avg(day1) min(day2) max(day2) avg(day2) ... min(day10*365) max(day10*365) avg(day10*365)</font>"</div></div><br></div><div dir="ltr" data-setdir="false" style="">I'll be thankful for any help.</div><div style="font-family: bookman old style, new york, times, serif;"><br></div><div class="ydp635ddcc4signature" style="font-family: bookman old style, new york, times, serif;"><div dir="ltr" style="font-family:old times, serif;font-size:16px;"><div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">-----------------------------------------------------------------------------</font></i></div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">Sincerely,</font></i></div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">Ehsan Taghizadeh<br></font></i></div></div><br></div></div></div>
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On Monday, September 12, 2022 at 08:14:54 PM GMT+4:30, Rick Brownrigg <brownrig@ucar.edu> wrote:
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<div><div id="yiv9955788550"><div><div dir="ltr"><div>Hi Ehsan,</div><div><br clear="none"></div><div>That errno=12 is an out of memory error, so I suspect short2flt() is not the issue. Are you working with really large datasets/arrays? That short array converted to floats will be 6.6GB</div><div><br clear="none"></div><div>Rick<br clear="none"></div></div><br clear="none"><div class="yiv9955788550gmail_quote"><div id="yiv9955788550yqt58430" class="yiv9955788550yqt9734443889"><div dir="ltr" class="yiv9955788550gmail_attr">On Mon, Sep 12, 2022 at 9:30 AM Ehsan Taghizadeh via ncl-talk <<a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:ncl-talk@mailman.ucar.edu" target="_blank" href="mailto:ncl-talk@mailman.ucar.edu">ncl-talk@mailman.ucar.edu</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;" class="yiv9955788550gmail_quote"><div><div style="font-family:bookman old style, new york, times, serif;font-size:16px;"><div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;">Hi everybody,</div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;">I hope you are doing well.</div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;">I tried to read "2 metre temperature" from ERA5-Land nc file. This nc file include about 10 years, all months (12 months), all days (365 days), and all hours (24 hours) with size about 7 GB. I used following simple lines:</div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">dr = "./"</font></div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">fn = "<a rel="nofollow noopener noreferrer" shape="rect" target="_blank" href="http://era5land.nc">era5land.nc</a>"</font></div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">fin = addfile(dr+fn, "r")</font></div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">t2mera = fin->t2m(:,::-1,:)</font></div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">printVarSummary(t2mera)</font></div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;">Output is like following lines:</div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div dir="ltr" style="font-size:16px;"><div><div dir="ltr"><font face="courier new, courier, monaco, monospace, sans-serif">Type: short</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif">Dimensions and sizes: [time | 87648] x [latitude | 151] x [longitude | 251]</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif">Coordinates:</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif"> time: [955488..1043135]</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif"> latitude: [25..40]</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif"> longitude: [40..65]</font></div></div><br clear="none"></div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;">However, if I use short2flt as below:</div><div dir="ltr" style="font-size:16px;"><font face="courier new, courier, monaco, monospace, sans-serif">t<span style="color:rgb(0,0,0);font-size:16px;">2meras = short2flt(fin->t2m(:,::-1,:))</span></font></div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;"><span><span style="color:rgb(0,0,0);font-family:bookman old style, new york, times, serif;font-size:16px;"><br clear="none"></span></span></div><div dir="ltr">Following error occurred:</div><div dir="ltr" style="font-size:16px;font-family:bookman old style, new york, times, serif;"><span><span style="color:rgb(0,0,0);font-family:bookman old style, new york, times, serif;font-size:16px;"><br clear="none"></span></span></div><div dir="ltr" style="font-size:16px;"><div><div><font face="courier new, courier, monaco, monospace, sans-serif">fatal:NclMalloc Failed:[errno=12]</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif">fatal:Could not coerce values for operation</font></div><div><font face="courier new, courier, monaco, monospace, sans-serif">fatal:["Execute.c":8637]:Execute: Error occurred at or near line 2013 in file /usr/local/ncl6.6/lib/ncarg/nclscripts/csm/contributed.ncl</font></div></div><div style="font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div dir="ltr"><span style="font-family:bookman old style, new york, times, serif;">Then it mentioned the line with the "</span><font face="courier new, courier, monaco, monospace, sans-serif">short2flt</font>" command.</div><div dir="ltr" style="font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div dir="ltr" style="font-family:bookman old style, new york, times, serif;">I'll be thankful if I have any help.<br clear="none"></div></div><div style="font-size:16px;font-family:bookman old style, new york, times, serif;"><br clear="none"></div><div style="font-size:16px;font-family:bookman old style, new york, times, serif;"><div dir="ltr" style="font-family:old times, serif;font-size:16px;"><div><div dir="ltr" style="color:rgb(0,0,0);font-family:old times, serif;font-size:16px;"><i><font size="2">-----------------------------------------------------------------------------</font></i></div><div dir="ltr" style="color:rgb(0,0,0);font-family:old times, serif;font-size:16px;"><i><font size="2">Sincerely,</font></i></div><div dir="ltr" style="color:rgb(0,0,0);font-family:old times, serif;font-size:16px;"><i><font size="2">Ehsan Taghizadeh</font></i></div></div><br clear="none"></div></div></div></div></div>_______________________________________________<br clear="none">
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