How to batch export raster files from qgis? - export

I need to export->save as quite a big amount of raster files in qgis and just can't find a way to make it all at once. I'm not very advanced in coding. Any suggestions?

You can try Processing Toolbox-->Database--> Package Layers
this way save your all rasters in one gpkg package.

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Batch export raster layers with underlaying other layers to PNG using same layout (ArcGIS Pro)

I wouldn't ask if I had not searched a way for the whole day - so my problem is, that i have multiple raster files (>300) that show different flooding of cells in each iteration step (so not strictly a time series, but close). I want to display the results on a hillshade (that remains the same) of every raster and export it to a png. My goal is to animate them using one layout in ArcGIS Pro, where only the active raster layer should change on every export and then animate the exported png files to one GIF or video file!
How is this possible in ArcGIS Pro 2.8?? Or QGIS?
ArcGIS Pro Animation tools are not working for this scenario (because I dont have feature classes and/or time series data) and QGIS seems to only work with change of extents in Atlas (or time series with time data as well). In ArcMap there used to be a tool called Group Animation, which does exactly what i want to do ...
Any ideas? Maybe a python script? Any hints on that?
Very appreciated!
Max
I have tried out the ArcGIS Pro Animation tools which apparently need time series data or feature classes (which I dont have). QGIS Atlas also seems to only work with varying the extent of the image on every iteration...

Is there a way to export mulitple layer combinations as JPEG or PNG files in Inkscape?

I have a SVG with multiple layers, I wonder it there is an automatic way to show/hide certain layers and export these combinations as PNG or JPG files. I came across this extension
https://inkscape.org/~Xaviju/%E2%98%85inkscape-export-layers-extension
which apparently does what I want, but I saved it in the user extensions inkscape folder and it doesn't show up in the Extensions--> Export menu after I restart Inkscape. Maybe because of the version I'm using (1.0.2).
Is there another way to do this?
Maybe this one will help?
https://gitlab.com/Moini/inx-exportobjects
It allows you to keep one or more layers constant, and to export to various formats.
Just noticed that you shouldn't check 'export visible layers only', it errors out (until I've fixed it, that is).

Paraview - Dataset locations of builtin demos / Sources

Paraview gets packaged with some examples. One can see them in Sources menu. Examples such as box, 2d glyph, sphere, Outline.
I'm trying to figure out how to represent these data sets, which should be .vtk files (or .html files). Does anyone know where the .vtk files for each of them are? If that's not available, is there an option, where i can extract these points, or convert my visualization into a .vtk (or .html) file? I've been trying to find out, with no success so far. Thanks in advance.
I found the answer. I just have to choose File -> Save Data -> Save as vtk file. How did i not see this before.

Downloading database data in Notepad format

How do I download the data from a database (phpMyAdmin) in such a away that I can see the data line by line?
I downloaded it but it is all wrapped around and I would be dead by the time I unravelled the 10000 odd records!
Export the tables one by one as CSV files. Open them in Excel, or Google sheets.
You could do this for the entire database in a batch, but it's kind of messy. You're better off exporting one table at a time.
PHPMyAdmin has this capability built in.
I know this is not exactly an answer for Notepad. But that is simply not the correct way to do what you want.

How to process multiple text files at a time to analysis using mapreduce in hadoop

I have lots of small files , say more than 50000. i need to process these files at a time using map reduce concept to generate some analysis based on the input files.
Please suggest me a way to do this and also please let me know how to merge this small files into a big file using hdfs
See this blog post from cloudera explaining the problem with small files.
There is a project in github named FileCrush which does merge large number of small files. From project's homepage:
Turn many small files into fewer larger ones. Also change from text to sequence and other compression options in one pass.

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