Polyline manipulation
#########################################
-.. |deuxSections| image:: /../_static/deuxSections.png
+.. |deuxSections| image:: ../_static/deuxSections.png
:align: middle
-.. |deuxExtremites| image:: /../_static/deuxExtremites.png
+.. |deuxExtremites| image:: ../_static/deuxExtremites.png
:align: middle
-.. |bringTogether| image:: /../_static/bringTogether.png
+.. |bringTogether| image:: ../_static/bringTogether.png
:align: middle
-.. |deuxPointsConfondus| image:: /../_static/deuxPointsConfondus.png
+.. |deuxPointsConfondus| image:: ../_static/deuxPointsConfondus.png
:align: middle
-.. |contourFermeDeuxSections| image:: /../_static/contourFermeDeuxSections.png
+.. |contourFermeDeuxSections| image:: ../_static/contourFermeDeuxSections.png
:align: middle
-.. |domaineMaritime| image:: /../_static/domaineMaritime.png
+.. |domaineMaritime| image:: ../_static/domaineMaritime.png
:align: middle
-.. |zonePont| image:: /../_static/zonePont.png
+.. |zonePont| image:: ../_static/zonePont.png
:align: middle
-.. |raffinement| image:: /../_static/raffinement.png
+.. |raffinement| image:: ../_static/raffinement.png
:align: middle
-.. |completeSplitDialog| image:: /../_static/completeSplitDialog.png
+.. |completeSplitDialog| image:: ../_static/completeSplitDialog.png
:align: middle
-.. |zonesSplitCreees| image:: /../_static/zonesSplitCreees.png
+.. |zonesSplitCreees| image:: ../_static/zonesSplitCreees.png
:align: middle
-.. |zonePontSplit| image:: /../_static/zonePontSplit.png
+.. |zonePontSplit| image:: ../_static/zonePontSplit.png
:align: middle
-.. |zoneAmontSplit| image:: /../_static/zoneAmontSplit.png
+.. |zoneAmontSplit| image:: ../_static/zoneAmontSplit.png
:align: middle
-.. |zoneAvalSplit| image:: /../_static/zoneAvalSplit.png
+.. |zoneAvalSplit| image:: ../_static/zoneAvalSplit.png
:align: middle
-.. |mergeZonesPont| image:: /../_static/mergeZonesPont.png
+.. |mergeZonesPont| image:: ../_static/mergeZonesPont.png
:align: middle
-.. |pilesDePont| image:: /../_static/pilesDePont.png
+.. |pilesDePont| image:: ../_static/pilesDePont.png
:align: middle
-.. |objetsPont| image:: /../_static/objetsPont.png
+.. |objetsPont| image:: ../_static/objetsPont.png
:align: middle
-Only single section polylines have thus far been addressed.
-The use of several sections in polylines enables, for example, the combination of splines
-and broken lines in a single contour.
-Polyline operations (merge, split, copy, paste) can be used, for instance,
-to create contours that share an edge before the calculation case is created.
+Only single section polylines have thus far been addressed.
+The use of several sections in polylines enables, for example, the combination of splines
+and broken lines in a single contour.
+Polyline operations (merge, split, copy, paste) can be used, for instance,
+to create contours that share an edge before the calculation case is created.
Maritime domain boundaries
==========================
-A maritime domain is often bounded by a coastline, described in detail,
-and by the simplest possible broken line offshore.
+A maritime domain is often bounded by a coastline, described in detail,
+and by the simplest possible broken line offshore.
-Details of the coastline are captured and entered in the form of an open polyline spline.
+Details of the coastline are captured and entered in the form of an open polyline spline.
-The sea boundary is captured in a second section of the same polyline.
+The sea boundary is captured in a second section of the same polyline.
-To create a second section, you need to edit the polyline that represents the coastline:
-click on *insert new section* and choose a line of the open *polyline* type,
+To create a second section, you need to edit the polyline that represents the coastline:
+click on *insert new section* and choose a line of the open *polyline* type,
then use the *Add* button to validate the section creation.
-
-As section 2 is already selected, use the *Addition mode* button to start adding points.
-The aim when creating the broken line is to place the first and last points in the approximate
+
+As section 2 is already selected, use the *Addition mode* button to start adding points.
+The aim when creating the broken line is to place the first and last points in the approximate
vicinity of the coast line endpoints.
|deuxSections|
-The endpoints of the two sections must now be made to correspond exactly so as to obtain a closed contour.
+The endpoints of the two sections must now be made to correspond exactly so as to obtain a closed contour.
-To do so, select both sections simultaneously (shift key)
-and switch to *modification mode* (modification mode button).
+To do so, select both sections simultaneously (shift key)
+and switch to *modification mode* (modification mode button).
-Next, in the view window, select both of the first two endpoints to be brought together
-by dragging a selection box around them with the mouse (after having zoomed in, if necessary).
+Next, in the view window, select both of the first two endpoints to be brought together
+by dragging a selection box around them with the mouse (after having zoomed in, if necessary).
|deuxExtremites|
-The coordinates of the two points are displayed, as well as the distance between the two points,
-in the distance column.
+The coordinates of the two points are displayed, as well as the distance between the two points,
+in the distance column.
Note that the right hand button has become active (two sections must be selected).
|bringTogether|
-When the button is clicked, the two points are superimposed, their coordinates are updated
-and the displayed distance changes to zero.
+When the button is clicked, the two points are superimposed, their coordinates are updated
+and the displayed distance changes to zero.
|deuxPointsConfondus|
-The same procedure needs to be applied to the other two endpoints, then validate with *Apply and close*.
+The same procedure needs to be applied to the other two endpoints, then validate with *Apply and close*.
-The polyline now represents a closed contour consisting of 2 sections of different types.
+The polyline now represents a closed contour consisting of 2 sections of different types.
|contourFermeDeuxSections|
* **Note**: When the points are superimposed, one moves to the coordinates of the other.
Controlling which of the points remains fixed is not an easy task;
therefore it is best to avoid having too much distance between them in order to prevent
- any deformation of the coastline.
+ any deformation of the coastline.
-The contour must then be converted into a natural object, providing the maritime domain.
+The contour must then be converted into a natural object, providing the maritime domain.
|domaineMaritime|
Creating sections on a minor bed: dams, bridges
===============================================
-A minor river bed can be divided into several sections to which specific treatment options can be applied.
-For example:
+A minor river bed can be divided into several sections to which specific treatment options can be applied.
+For example:
* The zone around a bridge, where explicit description of the bridge piers is likely to impose a specific mesh,
- if the rest of the minor bed is meshed in stretched triangles in the direction of the flow path.
+ if the rest of the minor bed is meshed in stretched triangles in the direction of the flow path.
* A dam for which one wants to write, for example, the boundary conditions describing its operation.
- The dam will then be defined as a "non floodable" or "insubmersible" zone across the minor bed.
+ The dam will then be defined as a "non floodable" or "insubmersible" zone across the minor bed.
* A zone for which the user wants to tailor the mesh.
Creating a specific zone around a bridge over the minor bed
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Taking the previous example on the Garonne, begin by drawing a rectangle across the *garonne* minor bed,
-extending clearly beyond the riverbanks on both sides. Name the polyline rectangle *zonePont* (zoneBridge).
+Taking the previous example on the Garonne, begin by drawing a rectangle across the *garonne* minor bed,
+extending clearly beyond the riverbanks on both sides. Name the polyline rectangle *zonePont* (zoneBridge).
|zonePont|
**The polyline of the minor bed needs to be sufficiently refined for the cutting to be precise
and to avoid problems when creating the calculation case afterwards.**
-If necessary, the polyline of the minor bed should be edited to add points on both sides
-of the cross-section lines.
-**There must always be at least one point between two cut lines of a spline curve**.
+If necessary, the polyline of the minor bed should be edited to add points on both sides
+of the cross-section lines.
+**There must always be at least one point between two cut lines of a spline curve**.
|raffinement|
-Use the *Split polylines* command from the *garonne* polyline context menu and open the *Complete split* tab.
+Use the *Split polylines* command from the *garonne* polyline context menu and open the *Complete split* tab.
Select the *zonePont* polyline then click on the *include* button to have both polylines in the dialog list view.
|completeSplitDialog|
-After validating with *Apply and close*, four new polylines are obtained to describe the minor bed
+After validating with *Apply and close*, four new polylines are obtained to describe the minor bed
and four to describe the bridge zone.
|zonesSplitCreees|
-The new zones will be reconstructed by joining the polylines together, set by set,
-with the *Merge polylines* command.
+The new zones will be reconstructed by joining the polylines together, set by set,
+with the *Merge polylines* command.
-The bridge zone is composed of the following four polylines:
+The bridge zone is composed of the following four polylines:
|zonePontSplit|
-La zone du lit mineur en amont est constituée de deux polylignes :
+The upstream minor bed zone is composed of two polylines:
|zoneAmontSplit|
-The upstream minor bed zone is composed of two polylines:
+The downstream minor bed zone is composed of two polylines:
|zoneAvalSplit|
-To join the polylines, select any one of them and click on the *Merge polylines* command in the context menu.
-You now need to select the four polylines, click on the *include* button, assign a name to the new polyline, *litMineurPont* ("minorBedBridge") and confirm the command by clicking on *Apply and close*.
+To join the polylines, select any one of them and click on the *Merge polylines* command in the context menu.
+You now need to select the four polylines, click on the *include* button, assign a name to the new polyline, *litMineurPont* ("minorBedBridge") and confirm the command by clicking on *Apply and close*.
|mergeZonesPont|
-The *litMineurAmont* ("upstreamMinorBed") and *litMineurAval* ("downstreamMinorBed") polylines are created
-in the same way. The three new polylines serve to define three immersible zones: *litMineur_aval*,
-*litMineur_amont* and *litMineur_pont*.
+The *litMineurAmont* ("upstreamMinorBed") and *litMineurAval* ("downstreamMinorBed") polylines are created
+in the same way. The three new polylines serve to define three immersible zones: *litMineur_aval*,
+*litMineur_amont* and *litMineur_pont*.
-If one wants to have bridge piers modelled in the mesh, these need to be represented as polylines
+If one wants to have bridge piers modelled in the mesh, these need to be represented as polylines
and non-submersible zones defined.
|pilesDePont|
Creating a specific zone around a dam on the minor bed
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The principle is exactly the same as for the bridge, but without the piers.
+The principle is exactly the same as for the bridge, but without the piers.
.. only:: html
- :ref:`ref_casParticuliers`
+ :ref:`ref_english_casParticuliers`
