deleted advection

advection/.gitignore

@@ -1,7 +0,0 @@
-.DS_Store
-src/.DS_Store
-src/.cache
-src/build
-.idea
-src/cmake-build-debug
-src/cmake-build-release

advection/README.md

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-## What is new?
-There is one new added component: `AdvectionKernel`s which is an "interface" (i.e an abstract class).
-There are two implementations simple Euler integration called `EulerIntegrationKernel` and 
-Runge Kutta integration called `RK4AdvectionKernel`.
-
-Main function gives a good example of how to use the library. Especially the following function which prints the
-position of the particle at every time step.
-```Cpp
-template <typename AdvectionKernelImpl>
-void advectForSomeTime(const UVGrid &uvGrid, const AdvectionKernelImpl &kernel, double latstart, double lonstart) {
-
-    // Require at compile time that kernel derives from the abstract class AdvectionKernel
-    static_assert(std::is_base_of<AdvectionKernel, AdvectionKernelImpl>::value, NotAKernelError);
-
-    double lat1 = latstart, lon1 = lonstart;
-    for(int time = 100; time <= 10000; time += AdvectionKernel::DT) {
-        cout << "lat = " << lat1 << " lon = " << lon1 << endl;
-        auto [templat, templon] = kernel.advect(time, lat1, lon1);
-        lat1 = templat;
-        lon1 = templon;
-    }
-}
-```
-
-
-## Location of data
-The data path is hardcoded such that the following tree structure is assumed:
-The current assumption is that the name of the `u`s and `v`s are flipped since this is the way the data was given to us.
-```
-data/
-  grid.h5
-  hydrodynamic_U.h5
-  hydrodynamic_V.h5
-interactive-track-and-trace/
-  opening-hdf5/
-     ...
-```
-
-## Compiling
-Let the current directory be the `src` directory. Run:
-```shell
-mkdir build
-cd build
-cmake ..
-make
-```