Merge pull request #132 from robbievanleeuwen/new_section_library

New section library

Author: connorferster

docs/source/conf.py

@@ -10,7 +10,7 @@
 import locale
 
 
-locale.setlocale(locale.LC_ALL, '')
+locale.setlocale(locale.LC_ALL, "")
 
 # -- Path setup --------------------------------------------------------------
 
@@ -50,10 +50,10 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.mathjax',
-    'sphinx.ext.viewcode',
-    'sphinx_gallery.gen_gallery',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.mathjax",
+    "sphinx.ext.viewcode",
+    "sphinx_gallery.gen_gallery",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -181,23 +181,23 @@
 
 sphinx_gallery_conf = {
     # convert rst to md for ipynb
-    'pypandoc': False,
+    "pypandoc": False,
     # path to your examples scripts
-    'examples_dirs': ['../../examples/'],
+    "examples_dirs": ["../../examples/"],
     # path where to save gallery generated examples
-    'gallery_dirs': ['sphinx_gallery_examples'],
+    "gallery_dirs": ["sphinx_gallery_examples"],
     # Patter to search for example files
-    'filename_pattern': r'\.py',
+    "filename_pattern": r"\.py",
     # Remove the 'Download all examples' button from the top level gallery
-    'download_all_examples': False,
+    "download_all_examples": False,
     # Sort gallery example by file name instead of number of lines (default)
-    'within_subsection_order': FileNameSortKey,
+    "within_subsection_order": FileNameSortKey,
     # directory where function granular galleries are stored
-    'backreferences_dir': None,
+    "backreferences_dir": None,
     # Modules for which function level galleries are created.  In
-    'doc_module': 'sectionproperties',
-    'image_scrapers': ('matplotlib',),
-    'first_notebook_cell': ('%matplotlib inline\n'),
+    "doc_module": "sectionproperties",
+    "image_scrapers": ("matplotlib",),
+    "first_notebook_cell": ("%matplotlib inline\n"),
 }
 
 # sphinx_gallery_conf = {

docs/source/images/sections/concrete_circular_section_geometry.png

@@ -27,6 +27,7 @@ can be found in the README file on github.
    rst/installation
    rst/structure
    rst/geom_mesh
+   rst/section_library
    rst/advanced_geom
    rst/analysis
    rst/post
@@ -36,14 +37,14 @@ can be found in the README file on github.
 
 Here's a quick example that harnesses some of the power of *sectionproperties* and shows its simplicity::
 
-  import sectionproperties.pre.sections as sections
+  import sectionproperties.pre.library.steel_sections as steel_sections
   from sectionproperties.analysis.cross_section import Section
 
   # create geometry of the cross-section
-  geometry = sections.i_section(d=203, b=133, t_f=7.8, t_w=5.8, r=8.9, n_r=8)
+  geometry = steel_sections.i_section(d=203, b=133, t_f=7.8, t_w=5.8, r=8.9, n_r=8)
 
   # generate a finite element mesh
-  geometry.create_mesh(mesh_sizes=[2.5])
+  geometry.create_mesh(mesh_sizes=[10])
 
   # create a Section object for analysis
   section = Section(geometry)
@@ -58,9 +59,9 @@ Here's a quick example that harnesses some of the power of *sectionproperties* a
   print(section.get_ic())  # second moments of area about the centroidal axis
   >>>(23544664.29, 3063383.07, 0.00)
   print(section.get_j())  # torsion constant
-  >>>62907.79
+  >>>62954.43
   print(section.get_As())  # shear areas in the x & y directions
-  >>>(1842.17, 1120.18)
+  >>>(1842.24, 1120.19)
 
 Support
 -------

docs/source/images/sections/concrete_circular_section_mesh.png

@@ -24,10 +24,10 @@ Creating Merged Sections
 
 For this example, we will create a custom section out of two similar "I" sections::
 
-    import sectionproperties.pre.sections as sections
+    import sectionproperties.pre.library.steel_sections as steel_sections
     import sectionproperties.analysis.cross_section as cross_section
 
-    i_sec1 = sections.i_section(d=250, b=150, t_f=13, t_w=10, r=12, n_r=12)
+    i_sec1 = steel_sections.i_section(d=250, b=150, t_f=13, t_w=10, r=12, n_r=12)
     i_sec2 = i_sec1.rotate_section(45)
 
 ..  figure:: ../images/examples/i_sec1.png
@@ -159,11 +159,11 @@ Another example
 
 Here, we will simply combine two squares with the default material::
 
-    import sectionproperties.pre.sections as sections
+    import sectionproperties.pre.library.standard_sections as standard_sections
     from sectionproperties.analysis.cross_section import Section
 
-    s1 = sections.rectangular_section(1,1)
-    s2 = sections.rectangular_section(0.5,0.5).shift_section(1,0.25)
+    s1 = standard_sections.rectangular_section(1,1)
+    s2 = standard_sections.rectangular_section(0.5,0.5).shift_section(1,0.25)
     geometry = s1 + s2
     geometry