Hi, What ever you do, make sure you use the correct resampling method in all your datasets.
Nicolas Cadieux https://gitlab.com/njacadieux > Le 31 mai 2022 à 15:42, Nicolas Cadieux <njacadieux.git...@gmail.com> a écrit > : > > Hi, > > I think you need a 64bit version of Windows…. Make sure it’s compatible with > Windows 7. You may need Windows 10 because of the latest versions of Python… > > Nicolas Cadieux > https://gitlab.com/njacadieux > >>> Le 31 mai 2022 à 15:38, Amal Kar via Qgis-user <qgis-user@lists.osgeo.org> >>> a écrit : >>> >> >> THANK YOU VERY MUCH, SIR! >> I shall first replace my present QGIS software (ver. 3.18.2, Zurich) with >> the new one (ver. 3.24), and then use the procedure for batch processing. >> Hope the new version runs on my old Windows 7. >> Thanks again for the tips. >> Regards, >> amal kar. >> -- ----------------------------- >> >>> On Tue, 31 May 2022 at 21:28, Randal Hale <rjh...@northrivergeographic.com> >>> wrote: >>> Depending on which version of QGIS you have (3.22, 3.24 - you can select >>> the "translate" command in the processing toolbox (you'll find that under >>> gdal -> raster conversion) and either right click the tool and run as batch >>> process or in 3.24 you can select the batch button from the translate menu. >>> >>> You can grab all the imagery from a directory and convert it. I will admit >>> that batch processing does throw me off just a bit - BUT - work with it and >>> it should do what you want. >>> >>> Randy >>> >>> On 5/31/22 11:28, Amal Kar via Qgis-user wrote: >>>> Hello, >>>> I am new to QGIS. >>>> Recently i downloaded a set of MODIS Terra surface reflectance Daily data >>>> for a fixed rectangular area of my interest (118 daily files for each of >>>> the bands 1-4 and for years 2000-2020), using the AppEEARS tool >>>> (NASA-USGS-LP DAAC) in geotiff format (WGS 84; LatLong). >>>> I wanted to convert the original data in 500 m spatial resolution >>>> (0.0041667 arc deg; 2985 col x 1671 row for each scene) to 1 km resolution >>>> (0.00833333 arc deg; 1493 col x 836 row), so that i am able to create >>>> Max.value (& Min. value) Composites (MVCs) for consecutive 8-Day periods >>>> at 1 km resolution and then analyse the data sets for matching with other >>>> 8-Day data series available at 1 km resolution from Modis Terra sites. >>>> No downloaded data from AppEEARS is automatically 'imported" to my Idrisi >>>> software (neither geotiff, nor netCDF; same is the case with my >>>> GlobalMapper 8.0 software also; the same formats from other sites get >>>> converted easily). The file format could be read in my QGIS Desktop >>>> software (ver. 3.18.2; Zurich), and then exported either in geotiff or >>>> other formats (incl. idrisi) in whatever resolution, etc., i chose. >>>> Although i am doing it file by file, this is a huge back-breaking >>>> pre-processing task. >>>> I was thinking if there is any tool in QGIS for automatic batch processing >>>> of the data (say, 50 or 100 at one time, once i select the "Raster >>>> datasets" and "add" them in the given Box under "Data Source Manager"). >>>> Presently, after adding the datafiles, i have to select one raster image >>>> at a time and "Export" it with the desired resolution/ file format, etc. >>>> It helps if i am able to select all the files together, give one output >>>> resolution value and one desired file format for all the files to be >>>> processed). It also helps if the output data file uses the same name as >>>> given for the input file, but allows the user to provide a short prefix to >>>> each of them (say 4-6 letters, either replacing the first 4-6 ones, or >>>> adding to the given names). >>>> Once i am able to pre-process the data quickly, i am thinking of trying my >>>> QGIS for cloud removal (by providing a zero, No Data value to the cloud >>>> pixels) and then try it for getting MVCs for consecutive 8-day periods. >>>> Thanks for your patience, and kind regards, >>>> amal kar. >>>> >>>> -- >>>> Dr. Amal Kar >>>> Former Principal Scientist and Head, Division of Natural Resources & >>>> Environment, >>>> Central Arid Zone Research Institute, Jodhpur 342003, India >>>> A-1/6, Baitalik Housing Society, KMDA Housing Complex, >>>> Baghajatin (Near Hiland Park), >>>> KOLKATA 700 094, India >>>> Email: akarca...@gmail.com >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Qgis-user mailing list >>>> Qgis-user@lists.osgeo.org >>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >>> -- >>> ------------------------------------- >>> Randal Hale >>> rjh...@northrivergeographic.com >>> https://www.northrivergeographic.com >> >> >> -- >> Dr. Amal Kar >> Former Principal Scientist and Head, Division of Natural Resources & >> Environment, >> Central Arid Zone Research Institute, Jodhpur 342003, India >> A-1/6, Baitalik Housing Society, KMDA Housing Complex, >> Baghajatin (Near Hiland Park), >> KOLKATA 700 094, India >> Email: akarca...@gmail.com >> >> >> _______________________________________________ >> Qgis-user mailing list >> Qgis-user@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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