Add Setup and Start shell scripts for a virtual Python environment on Linux, add EOX with 2021 images as provider

.gitignore

@@ -15,3 +15,4 @@ Tiles/
 **/*.bak
 **/*.swp
 .last_gui_params.txt
+z_Python_Venv

Providers/Global/EOX2-2021.lay

@@ -0,0 +1,5 @@
+request_type=tms
+grid_type=webmercator
+url_template=https://{switch:a,b,c,d}.s2maps-tiles.eu/wmts/?layer=s2cloudless-2021_3857&style=default&tilematrixset=GoogleMapsCompatible&Service=WMTS&Request=GetTile&Version=1.0.0&Format=image%2Fjpeg&TileMatrix={zoom}&TileCol={x}&TileRow={y}
+max_zl=14
+imagery_dir=grouped

requirements_nover.txt

@@ -0,0 +1,11 @@
+certifi
+chardet
+idna
+numpy
+Pillow
+pyproj
+requests
+Rtree
+Shapely
+urllib3
+build

z_Install_Python_Venv.sh

@@ -0,0 +1,39 @@
+#! /bin/bash
+
+path="$PWD/z_Python_Venv"
+
+# 1. Create a Python virtual environment
+
+python -m venv $path
+
+# 2. Activate Python venv
+
+source $path/bin/activate
+
+# 3. Install packages with pip
+
+pip install -r $PWD/requirements_nover.txt
+
+# 4. Download scikit-fmm's "meson" branch, compile and install it
+
+git clone --branch meson https://github.com/scikit-fmm/scikit-fmm.git $path/scikit-fmm
+
+python -m build $path/scikit-fmm
+
+pip install $path/scikit-fmm
+
+# 6. DONE
+
+echo " "
+echo "Preparation complete!"
+echo " "
+echo "Use \"$path/bin/python $PWD/Ortho4XP\" to start O4XP"
+echo " "
+echo " "
+
+# Function: Pause
+function pause(){
+   read -p "$*"
+}
+
+pause "Press enter to continue... "

z_Start_O4XP_PythonVenv.sh

@@ -0,0 +1,5 @@
+#! /bin/bash
+
+path="$PWD/z_Python_Venv"
+
+$path/bin/python $PWD/Ortho4XP.py