Basic 1D hypothesis specifies:
<ul>
<li>how \ref a1d_algos_anchor "Wire Discretization" should divide the edge;</li>
-<li>how \ref a1d_algos_anchor "Composite Side Discretization" should divide the group of C1-continues edges.</li>
+<li>how \ref a1d_algos_anchor "Composite Side Discretization" should divide the group of C1-continuous edges.</li>
</ul>
-By type of nodes distribution the 1D hypotheses can be categorized as follows:
+1D hypotheses can be categorized by type of nodes distribution as follows:
<ul>
-<li>Uniform distribution
+<li>Uniform distribution:
<ul>
<li>\ref average_length_anchor "Local Length"</li>
<li>\ref max_length_anchor "Max Size"</li>
<li>\ref number_of_segments_anchor "Number of segments" with Equidistant distribution</li>
<li>\ref automatic_length_anchor "Automatic Length"</li>
</ul></li>
-<li>Constantly increasing or decreasing length of segments
+<li>Constantly increasing or decreasing length of segments:
<ul>
<li>\ref arithmetic_1d_anchor "Arithmetic 1D"</li>
<li>\ref geometric_1d_anchor "Geometric Progression"</li>
<li>\ref start_and_end_length_anchor "Start and end length"</li>
<li>\ref number_of_segments_anchor "Number of segments" with Scale distribution</li>
</ul></li>
-<li>Distribution depending on curvature
+<li>Distribution depending on curvature:
<ul>
<li>\ref adaptive_1d_anchor "Adaptive"</li>
<li>\ref deflection_1d_anchor "Deflection 1D"</li>
</ul></li>
-<li>Arbitrary distribution
+<li>Arbitrary distribution:
<ul>
<li>\ref fixed_points_1d_anchor "Fixed points 1D"</li>
<li>\ref number_of_segments_anchor "Number of segments" with
the 3D viewer or selecting the edges or groups of edges in the
Object Browser.
-\ref reversed_edges_helper_anchor "Helper" group assists you in
+\ref reversed_edges_helper_anchor "Helper" group assists in
defining <b>Reversed Edges</b> parameter.
\image html rev_edges_helper_dlg.png
-\b Helper group assists you in defining <b>Reversed Edges</b>
+\b Helper group assists in defining <b>Reversed Edges</b>
parameter of the hypotheses depending on edge direction.
-<b>Show whole geometry</b> check-box lets you see the whole
-geometrical model in the 3D Viewer. This can help you to understand
-location within the model of a set of edges shown in the Viewer.
+<b>Show whole geometry</b> check-box allows seeing the whole
+geometrical model in the 3D Viewer, which can help to understand the
+location of a set of edges within the model.
-<b>Propagation chains</b> group helps you to define
-<b>Reversed Edges</b> so that opposite edges of quadrilateral faces
-will be split in the logically same direction. When this group is
+<b>Propagation chains</b> group allows defining <b>Reversed Edges</b>
+for splitting opposite edges of quadrilateral faces
+in a logically uniform direction. When this group is
activated, the list is filled with propagation chains found within the
-model. When you select a chain in the list, edges of the chain are
-shown in the Viewer with arrows so that you can chose a common
-direction for all chain edges. \b Reverse button inverses the common
-direction of chain edges. If \b Add button is active, this means that some
-edges of a chain have different direction and you can click \b Add
-button to add such edges to <b>Reversed Edges</b> list.
+model. When a chain is selected in the list its edges are
+shown in the Viewer with arrows, which enables choosing a common
+direction for all chain edges. \b Reverse button inverts the common
+direction of chain edges. If \b Add button is active, some
+edges of a chain have a different direction, so you can click \b Add
+button to add them to <b>Reversed Edges</b> list.
\image html propagation_chain.png "The whole geometry and a propagation chain"
