don't know whats the right structure for Snakemake. this is nothing but a try (and error)

examples/gwk_compressor/Snakefile

+from snakemake.utils import validate
+from ntrfc.preprocessing.geometry_creation.profile_pointcloud import hello
+
+configfile : "casesettings.yml"
+validate("config","config.schema.yaml")
+
+rule from_pointcloud:
+    input:
+        "00_resources/profile_pointcloud.txt"
+    output:
+        "01_geometry/ssPoly.pkl", "01_geometry/psPoly.pkl"
+    run:
+        hello
+
+rule from_naca_generator:
+#    input:
+#        "input/helloworld.txt"
+#    output:
+#        "output/heythere.txt"
+    shell:
+        "python helloworld.py"
+
+
+rule create_parsec_generator:
+#    input:
+#        "input/helloworld.txt"
+#    output:
+#        "output/heythere.txt"
+    shell:
+        "python helloworld.py"

examples/gwk_compressor/casesettings.yml

+blade:
+    algorithm: "from_pointcloud"
+    ptcloud_profile: "00_Ressources/profile_pointcloud.txt"   #Name of the pointcloud-file
+    ptcloud_profile_unit: "mm"                                  #m vs mm
+
+geometry:
+    pitch                           : 0.0765                                #Pitch [m]
+    alpha                           : 0.01                                  #Geometric parameter used for hull-calculations
+    midline_tolerance               : 5                                     #Tolerance coefficient for midline-generation
+    x_inlet                         : -0.13                                 #Shift Inlet along x [m]
+    x_outlet                        : 0.26                                  #Shift Outlet along x [m]
+    shift_domain                    : 0.015                                 #Shift Domain to have probes inside domain [m]

examples/gwk_compressor/config.schema.yaml

+$schema: "http://json-schema.org/draft-06/schema#"
+description: Config file for the parPE snakemake optimization workflow
+
+type: dict
+properties:
+    blade:
+        type: dict
+        description: settings for the generation of the profile-splines
+
+        properties:
+            algorithm:
+                type: string
+                description: definition of the generation-algorithm (from_pointcloud, nacagen, parsecgen)
+
+            ptcloud_profile:
+                type: string
+                description: in case from_pointcloud is picked, one has to define a path to the pointcloudfile
+
+            ptcloud_profile_unit:
+                type: string                                  #m vs mm
+                description: in case from_pointcloud is picked, one has to define the right unit (a default-value for m should be defined)
+
+            alpha:
+                type: string                                  #Geometric parameter used for hull-calculations
+                description: an alpha-value for the alphashape has to be defined
+    geometry:
+        type: dict
+        properties:
+
+            pitch:
+                type: string                                #Pitch [m]
+                description: the pitch of the cascade-blades has to be defined
+
+            x_inlet:
+                type: string
+                description: position of the inlet x-position has to be defined. LE is the zeroposition
+
+            x_outlet:
+                type: string
+                description: position of the outlet x-position has to be defined. LE is the zeroposition
+
+            shift_domain:
+              type : string
+              description: shift the blade in the domain, so that probes can be placed in the passage-midline
+
+required:
+  - blade
+  - geometry
+

ntrfc/preprocessing/geometry_creation/profile_pointcloud.py

+def hello():
+    print("hello")

snakepipes/profile_creation/Snakefile

+configfile : "casesettings.yml"
+
 rule from_pointcloud:
 #    input:
 #        "input/helloworld.txt"
@@ -14,6 +16,7 @@ rule from_naca_generator:
     shell:
         "python helloworld.py"
 
+
 rule create_parsec_generator:
 #    input:
 #        "input/helloworld.txt"