Merge branch 'develop' into doc/landing-page

CHANGELOG.md

@@ -50,6 +50,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- BUG: Optional Dependencies Naming in pyproject.toml. [#592](https://github.com/RocketPy-Team/RocketPy/pull/592)
 - BUG: Swap rocket.total_mass.differentiate for motor.total_mass_flow rate [#585](https://github.com/RocketPy-Team/RocketPy/pull/585)
 - BUG: export_eng 'Motor' method would not work for liquid motors. [#559](https://github.com/RocketPy-Team/RocketPy/pull/559) 
 

pyproject.toml

@@ -43,14 +43,16 @@ tests = [
     "isort"
 ]
 
-env_analysis = [ 
+env-analysis = [ 
     "windrose>=1.6.8", 
     "timezonefinder", 
     "jsonpickle", 
     "ipython", 
     "ipywidgets>=7.6.3" 
 ]
 
+all = ["rocketpy[env-analysis]"]
+
 [tool.black]
 line-length = 88 
 include = '\.py$|\.ipynb$'

rocketpy/environment/environment.py

@@ -3077,6 +3077,24 @@ def calculate_density_profile(self):
         Returns
         -------
         None
+
+        Examples
+        --------
+        Creating an Environment object and calculating the density
+        at Sea Level:
+
+        >>> env = Environment()
+        >>> env.calculate_density_profile()
+        >>> env.density(0)
+        1.225000018124288
+
+        Creating an Environment object and calculating the density
+        at 1000m above Sea Level:
+
+        >>> env = Environment()
+        >>> env.calculate_density_profile()
+        >>> env.density(1000)
+        1.1116193933422585
         """
         # Retrieve pressure P, gas constant R and temperature T
         P = self.pressure