# Other - Software and tools **URL:** https://forum.ecmwf.int/c/software-and-tools/other-software-and-tools/20.md?page=1 [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) **Page:** 2 --- ## [How to extract number of time steps in data?](https://forum.ecmwf.int/t/how-to-extract-number-of-time-steps-in-data/1804)
**Author:** [@Gerald\_Lohmann](https://forum.ecmwf.int/u/Gerald_Lohmann)\ **Replies:** 2\ **Last updated:** [22 March 2022 13:04 UTC](https://forum.ecmwf.int/t/how-to-extract-number-of-time-steps-in-data/1804 "2022-03-22T13:04:13Z")
Hello everyone! I would like to automatically extract the number of data in the time dimension, i.e. to know how many "observations" there are in my retrieved data set. This ought to be a simple no-brainer, but I do not… --- ## [CDS Toolbox ERA5 download errors](https://forum.ecmwf.int/t/cds-toolbox-era5-download-errors/1688)
**Author:** [@Axel\_Schweiger](https://forum.ecmwf.int/u/Axel_Schweiger)\ **Replies:** 1\ **Last updated:** [10 February 2022 11:10 UTC](https://forum.ecmwf.int/t/cds-toolbox-era5-download-errors/1688 "2022-02-10T11:10:09Z")
Hi I am using the CDS toolbox to download and average ERA-5 variables. I am running into intermittent problems with errors during retrievals. Samples of those failures are in my "FAILED REQUESTS" log: A A sample is p… --- ## [UERRA - Access to wind direction variable seems broken](https://forum.ecmwf.int/t/uerra-access-to-wind-direction-variable-seems-broken/1796)
**Author:** [@Milena\_Suarez\_Castil](https://forum.ecmwf.int/u/Milena_Suarez_Castil)\ **Replies:** 0\ **Last updated:** [10 February 2022 10:59 UTC](https://forum.ecmwf.int/t/uerra-access-to-wind-direction-variable-seems-broken/1796 "2022-02-10T10:59:31Z")
A toolbox request suggested in the UERRA Dataset page (= not modified by the user), fails to download wind direction data. The error seems related to the name of the variable. Thank you in advance for your help. import… --- ## [Submission of Toolbox Scripts from a remote computer](https://forum.ecmwf.int/t/submission-of-toolbox-scripts-from-a-remote-computer/1810)
**Author:** [@Axel\_Schweiger](https://forum.ecmwf.int/u/Axel_Schweiger)\ **Replies:** 5\ **Last updated:** [4 February 2022 16:58 UTC](https://forum.ecmwf.int/t/submission-of-toolbox-scripts-from-a-remote-computer/1810 "2022-02-04T16:58:10Z")
Just checking out this Toolbox. Looks powerful. Is there a way/plan to allow for remote submission of toolbox scripts. For example, being able average a hourly variable to a daily average would allow much reduced traffi… --- ## [How to extract data from NetCDF to CSV using python?](https://forum.ecmwf.int/t/how-to-extract-data-from-netcdf-to-csv-using-python/1741)
**Author:** [@Marian\_Dobranschi](https://forum.ecmwf.int/u/Marian_Dobranschi)\ **Replies:** 2\ **Last updated:** [28 January 2022 14:02 UTC](https://forum.ecmwf.int/t/how-to-extract-data-from-netcdf-to-csv-using-python/1741 "2022-01-28T14:02:45Z")
Dear ECMWF, I find Copernicus data very important, however the NetCDF files are very difficult to work with. I've been trying different scripts in python and R to extract climate data from NetCDF files into CSV fo… --- ## [Remote objects, services and caching](https://forum.ecmwf.int/t/remote-objects-services-and-caching/1679)
**Author:** [@James\_Varndell](https://forum.ecmwf.int/u/James_Varndell)\ **Replies:** 1\ **Last updated:** [7 January 2022 11:47 UTC](https://forum.ecmwf.int/t/remote-objects-services-and-caching/1679 "2022-01-07T11:47:44Z")
TL;DR The cdstoolbox package is your one-stop-shop for data handling and application development in the CDS Toolbox, providing remote processing of data and caching of results. It's not possible to use popular Python lib… --- ## [Big amount of data at once](https://forum.ecmwf.int/t/big-amount-of-data-at-once/1778)
**Author:** [@Michal\_Simonienko](https://forum.ecmwf.int/u/Michal_Simonienko)\ **Replies:** 0\ **Last updated:** [15 December 2021 08:15 UTC](https://forum.ecmwf.int/t/big-amount-of-data-at-once/1778 "2021-12-15T08:15:44Z")
Hello everyone! I need the last 40 years of data from ERA5-Land for Europe and other smaller or bigger plots of land. The problems that I have are: In order to download Europe, I need to chunk data into 1-month… --- ## [Changes in Toolbox behaviour with some ERA5 variables](https://forum.ecmwf.int/t/changes-in-toolbox-behaviour-with-some-era5-variables/1689)
**Author:** [@Eduardo\_Penabad](https://forum.ecmwf.int/u/Eduardo_Penabad)\ **Replies:** 0\ **Last updated:** [7 December 2021 15:44 UTC](https://forum.ecmwf.int/t/changes-in-toolbox-behaviour-with-some-era5-variables/1689 "2021-12-07T15:44:14Z")
Official announcement of the following changes in the default behaviour of the Toolbox WHEN? After the release of a new upgrade of the CDS software infrastructure on the 8th/Decembe… --- ## [Please I am new to CDS toolbox . When I try to run any sample application, I get the following message: "Unauthorized You are not authorized to access this application. Log-in and try again"](https://forum.ecmwf.int/t/please-i-am-new-to-cds-toolbox-when-i-try-to-run-any-sample-application-i-get-the-following-message-unauthorized-you-are-not-authorized-to-access-this-application-log-in-and-try-again/1671)
**Author:** [@Kaah\_Menang](https://forum.ecmwf.int/u/Kaah_Menang)\ **Replies:** 5\ **Last updated:** [30 November 2021 15:11 UTC](https://forum.ecmwf.int/t/please-i-am-new-to-cds-toolbox-when-i-try-to-run-any-sample-application-i-get-the-following-message-unauthorized-you-are-not-authorized-to-access-this-application-log-in-and-try-again/1671 "2021-11-30T15:11:39Z")
Please I am new to CDS toolbox . When I try to run any sample application, I get the following message: “Unauthorized You are not authorized to access this application. Log-in and try again”. --- ## [Computing extreme index using compute\_extreme\_index](https://forum.ecmwf.int/t/computing-extreme-index-using-compute-extreme-index/1798)
**Author:** [@Kalle\_Nordling](https://forum.ecmwf.int/u/Kalle_Nordling)\ **Replies:** 1\ **Last updated:** [27 November 2021 02:05 UTC](https://forum.ecmwf.int/t/computing-extreme-index-using-compute-extreme-index/1798 "2021-11-27T02:05:59Z")
I'm trying to compute number of frost days from era5 daily data. However i'm getting following error message. Has anyone managed to use compute\_extreme\_index function, and how it should be used Traceback (most recen… --- ## [AttributeError: module '\_\_main\_\_' has no attribute '\_\_file\_\_'](https://forum.ecmwf.int/t/attributeerror-module-main-has-no-attribute-file/1724)
**Author:** [@xudong\_zheng](https://forum.ecmwf.int/u/xudong_zheng)\ **Replies:** 1\ **Last updated:** [26 November 2021 15:44 UTC](https://forum.ecmwf.int/t/attributeerror-module-main-has-no-attribute-file/1724 "2021-11-26T15:44:57Z")
First, pip install cdsapi and could run the example .py properly. Seconda, pip install cdstoolbox-remote, but get AttributeError: module '\_\_main\_\_' has no attribute '\_\_file\_\_'. Then, I open the \_\_init\_\_.py in the cdsto… --- ## [What function can be used for vizualising the cordex data?](https://forum.ecmwf.int/t/what-function-can-be-used-for-vizualising-the-cordex-data/1794)
**Author:** [@Inna\_Khomenko](https://forum.ecmwf.int/u/Inna_Khomenko)\ **Replies:** 2\ **Last updated:** [11 November 2021 22:56 UTC](https://forum.ecmwf.int/t/what-function-can-be-used-for-vizualising-the-cordex-data/1794 "2021-11-11T22:56:04Z")
I work with database sis-hydrology-variables-derived-projections. When I try to use ct.cdsplot.geomap (I'm trying to apply a calculate trend application) a deprecation warning: 'The tool ct.cdsplot.geomap has been deprec… --- ## [Downloading monthly mean SST Data from 1981 to present](https://forum.ecmwf.int/t/downloading-monthly-mean-sst-data-from-1981-to-present/1692)
**Author:** [@Sebastian\_Arndt](https://forum.ecmwf.int/u/Sebastian_Arndt)\ **Replies:** 0\ **Last updated:** [11 November 2021 20:26 UTC](https://forum.ecmwf.int/t/downloading-monthly-mean-sst-data-from-1981-to-present/1692 "2021-11-11T20:26:20Z")
Hi there, i am trying to get the monthly mean of the sea-surface-temperature for 40 years. When i run the code below i am getting a memory error, also shown below. If i am just selcting 3 years it works just fine, e… --- ## [Memory issue with the workflow request](https://forum.ecmwf.int/t/memory-issue-with-the-workflow-request/1733)
**Author:** [@Jose\_Lucas\_Safanelli](https://forum.ecmwf.int/u/Jose_Lucas_Safanelli)\ **Replies:** 4\ **Last updated:** [16 September 2021 16:26 UTC](https://forum.ecmwf.int/t/memory-issue-with-the-workflow-request/1733 "2021-09-16T16:26:53Z")
Hi guys, I'm submitting a workflow to perform the daily agreggation of temperature\_2m on your server side, but after 2 hours, the request failed due to memory issues. Unfortunattely it will cost to much if I down… --- ## [Is it possible to get ERA5-Land daily total precipitation in a different time zone?](https://forum.ecmwf.int/t/is-it-possible-to-get-era5-land-daily-total-precipitation-in-a-different-time-zone/1731)
**Author:** [@Jessica\_Li](https://forum.ecmwf.int/u/Jessica_Li)\ **Replies:** 0\ **Last updated:** [11 September 2021 01:15 UTC](https://forum.ecmwf.int/t/is-it-possible-to-get-era5-land-daily-total-precipitation-in-a-different-time-zone/1731 "2021-09-11T01:15:34Z")
Hello, I am trying to retrieve daily total\_precipitation from ERA5-Land, where each day is based on UTC-06:00. I understand that ERA5-Land hourly total\_precipitation values are cumulative from the start of the day. How… --- ## [CRS - Fire danger indicators from climate projections](https://forum.ecmwf.int/t/crs-fire-danger-indicators-from-climate-projections/1725)
**Author:** [@User\_luiz\_galizia\_at](https://forum.ecmwf.int/u/User_luiz_galizia_at)\ **Replies:** 0\ **Last updated:** [26 August 2021 14:10 UTC](https://forum.ecmwf.int/t/crs-fire-danger-indicators-from-climate-projections/1725 "2021-08-26T14:10:06Z")
I downloaded future fire danger data across Europe straight from the CDS, but the coordinate reference system (CRS) of the output is not the default WGS84. The coordinates are centered in Europe, but I didn't find any… --- ## [Child applications from dropdowns](https://forum.ecmwf.int/t/child-applications-from-dropdowns/1737)
**Author:** [@Peter\_Walker](https://forum.ecmwf.int/u/Peter_Walker)\ **Replies:** 0\ **Last updated:** [22 July 2021 13:04 UTC](https://forum.ecmwf.int/t/child-applications-from-dropdowns/1737 "2021-07-22T13:04:27Z")
I would like to be able to trigger a new graph when a a user clicks on a dropdown, without retriggering the data retrieval. I have seen examples of child apps that do this but they are all driven by clicks on a map. How … --- ## [Magics issue](https://forum.ecmwf.int/t/magics-issue/1786)
**Author:** [@Diamantino\_Valente\_H](https://forum.ecmwf.int/u/Diamantino_Valente_H)\ **Replies:** 2\ **Last updated:** [19 July 2021 23:14 UTC](https://forum.ecmwf.int/t/magics-issue/1786 "2021-07-19T23:14:33Z")
Dear all, Recently, I'm getting errors when running my toolbox plotting scripts. It seems to be something related to MAGICS package. It is weird because they worked fine before. Anyone had the same problem ? Thanks … --- ## [Grouping data](https://forum.ecmwf.int/t/grouping-data/1700)
**Author:** [@Emmanuel\_Nyenah](https://forum.ecmwf.int/u/Emmanuel_Nyenah)\ **Replies:** 1\ **Last updated:** [7 July 2021 13:05 UTC](https://forum.ecmwf.int/t/grouping-data/1700 "2021-07-07T13:05:31Z")
Grouping data --- ## [Mask out ocean](https://forum.ecmwf.int/t/mask-out-ocean/1676)
**Author:** [@Miguel\_Lovino](https://forum.ecmwf.int/u/Miguel_Lovino)\ **Replies:** 0\ **Last updated:** [12 May 2021 23:55 UTC](https://forum.ecmwf.int/t/mask-out-ocean/1676 "2021-05-12T23:55:10Z")
Is there a way to mask the ocean in global data? I mean, not replacing the values in the ocean with null or zeros, but cutting them to reduce the size of the output files. The output files I need are land only. Thanks i… --- ## [Abs function error](https://forum.ecmwf.int/t/abs-function-error/1775)
**Author:** [@lichang\_yin](https://forum.ecmwf.int/u/lichang_yin)\ **Replies:** 1\ **Last updated:** [4 May 2021 09:19 UTC](https://forum.ecmwf.int/t/abs-function-error/1775 "2021-05-04T09:19:17Z")
I want to calculate the daily wind speed from the hourly data of reanalysis-era5-land, but the wind speed data has positive and negative values, and the positive and negative values express different direction… --- ## [Climatological normal and anomalies](https://forum.ecmwf.int/t/climatological-normal-and-anomalies/1751)
**Author:** [@Brian\_Yalle](https://forum.ecmwf.int/u/Brian_Yalle)\ **Replies:** 0\ **Last updated:** [2 May 2021 23:53 UTC](https://forum.ecmwf.int/t/climatological-normal-and-anomalies/1751 "2021-05-02T23:53:19Z")
Hi! I'm not expert in climate science and I need your help to solve some doubts in the most simple possible way to understand. 1) The CDS Toolbox documentation states the current climate normal period is January 1981 t… --- ## [Extracting single point](https://forum.ecmwf.int/t/extracting-single-point/1697)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 9\ **Last updated:** [23 April 2021 14:59 UTC](https://forum.ecmwf.int/t/extracting-single-point/1697 "2021-04-23T14:59:59Z")
I'm trying to extract a timeseries for a single point from one of the EFAS datasets. I can retrieve the data from the catalogue: print(data) which gives the following output: \ **Author:** [@Miguel\_Lovino](https://forum.ecmwf.int/u/Miguel_Lovino)\ **Replies:** 10\ **Last updated:** [13 April 2021 19:28 UTC](https://forum.ecmwf.int/t/daily-total-precipitation-from-era5-land-hourly-data/1800 "2021-04-13T19:28:54Z") Dear all, I have a problem with the units of daily total precipitation estimated from hourly data. I do not understand what conversion factor should I use to bring the accumulated daily precipitation to mm / day. Is the… --- ## [Failed to add variabel](https://forum.ecmwf.int/t/failed-to-add-variabel/1736)
**Author:** [@ghaida\_nabilah](https://forum.ecmwf.int/u/ghaida_nabilah)\ **Replies:** 0\ **Last updated:** [29 March 2021 00:21 UTC](https://forum.ecmwf.int/t/failed-to-add-variabel/1736 "2021-03-29T00:21:32Z")
there is my script : import cdstoolbox as ct @ct.application(title='Mini Project PILA', description ='surface spesific humidity') @ct.output.download() def calculate\_clim(): '''Hitung daily, monthly seasonal… --- ## [Results of ct.cube.groupby\_reduce in a livemap](https://forum.ecmwf.int/t/results-of-ct-cube-groupby-reduce-in-a-livemap/1744)
**Author:** [@Sophie\_van\_der\_Horst](https://forum.ecmwf.int/u/Sophie_van_der_Horst)\ **Replies:** 0\ **Last updated:** [16 March 2021 09:02 UTC](https://forum.ecmwf.int/t/results-of-ct-cube-groupby-reduce-in-a-livemap/1744 "2021-03-16T09:02:29Z")
Hi, I am trying to plot the results from the ct.cube.groupby\_reduce function in a livemap here: https://cds.climate.copernicus.eu/toolbox-editor/56145/number-of-days But I am getting the error message: 'One or more la… --- ## [GitHub support](https://forum.ecmwf.int/t/github-support/1699)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 3\ **Last updated:** [10 March 2021 21:32 UTC](https://forum.ecmwf.int/t/github-support/1699 "2021-03-10T21:32:54Z")
Is there a GitHub support for developers? --- ## [Data memory issue](https://forum.ecmwf.int/t/data-memory-issue/1755)
**Author:** [@Iskander\_Benhadj](https://forum.ecmwf.int/u/Iskander_Benhadj)\ **Replies:** 0\ **Last updated:** [23 February 2021 16:41 UTC](https://forum.ecmwf.int/t/data-memory-issue/1755 "2021-02-23T16:41:10Z")
We recently implemented a simple retrieval application to retrieve the Albedo product from the CDS Here is the link to the CDS app https://cds.climate.copernicus.eu/toolbox-editor/3086/retrieve\_albedo\_product\_vgt W… --- ## [Missing time dimension](https://forum.ecmwf.int/t/missing-time-dimension/1797)
**Author:** [@Tim\_Usedly](https://forum.ecmwf.int/u/Tim_Usedly)\ **Replies:** 0\ **Last updated:** [19 February 2021 17:20 UTC](https://forum.ecmwf.int/t/missing-time-dimension/1797 "2021-02-19T17:20:14Z")
Dear CDS-Team, some datasets do not contain a time coordinate, there is (beside "lat" and "lon") just the information: "Dimensions without coordinates: time" (see below) \ **Author:** [@Ceri\_Whitmore](https://forum.ecmwf.int/u/Ceri_Whitmore)\ **Replies:** 2\ **Last updated:** [16 February 2021 09:16 UTC](https://forum.ecmwf.int/t/issue-returning-multiple-variables-from-catalogue-retrieve/1732 "2021-02-16T09:16:59Z") Hi, I'm trying to retrieve multiple variables from the 'sis-agroclimatic-indicators' dataset and attempting to do it in one call. However if I unpack it to a list of objects or to an array, each individual data object … [Previous page](https://forum.ecmwf.int/c/software-and-tools/other-software-and-tools/20.md) [Next page](https://forum.ecmwf.int/c/software-and-tools/other-software-and-tools/20.md?page=2)