cut mesh by shape dialog

diff --git a/src/HYDROTools/CMakeLists.txt b/src/HYDROTools/CMakeLists.txt
index 551b8322e8f918318f5bf2843186ac67bb6079a2..7eda5fa46a5d28d2ced0b86b0ac9b08c1b9ac9d5 100644 (file)
--- a/src/HYDROTools/CMakeLists.txt
+++ b/src/HYDROTools/CMakeLists.txt
@@ -34,7 +34,7 @@ SET(PYFILES
 # --- plugins dialogs
 
 ADD_SUBDIRECTORY(plugins)
-ADD_SUBDIRECTORY(testPlugin)
+#ADD_SUBDIRECTORY(testPlugin)
 
 # --- plugin scripts / static
 

diff --git a/src/HYDROTools/hydro_plugins.py b/src/HYDROTools/hydro_plugins.py
index c86b138ace83b0154dbd4bdc3e7bd48eaa60d9d0..0fe2dbad992023beb694c0794ea8f7295031839f 100644 (file)
--- a/src/HYDROTools/hydro_plugins.py
+++ b/src/HYDROTools/hydro_plugins.py
@@ -42,11 +42,20 @@ except Exception as e:
   pass
 
 try:
-  from testPlugin import testDialog
-  salome_pluginsmanager.AddFunction('test Dialog',
-                                    'test Dialog not implemented',
-                                    testDialog.execDialog)
+  from plugins import cutMeshDialog
+  salome_pluginsmanager.AddFunction('Cut Mesh',
+                                    'Cut a mesh by a polyline shape',
+                                    cutMeshDialog.execDialog)
 except Exception as e:
-  salome_pluginsmanager.logger.info('ERROR: test plug-in is unavailable: {}'.format(e))
+  salome_pluginsmanager.logger.info('ERROR: cutMesh plug-in is unavailable: {}'.format(e))
   pass
 
+# try:
+#   from testPlugin import testDialog
+#   salome_pluginsmanager.AddFunction('test Dialog',
+#                                     'test Dialog not implemented',
+#                                     testDialog.execDialog)
+# except Exception as e:
+#   salome_pluginsmanager.logger.info('ERROR: test plug-in is unavailable: {}'.format(e))
+#   pass
+

diff --git a/src/HYDROTools/plugins/CMakeLists.txt b/src/HYDROTools/plugins/CMakeLists.txt
index e01a3d4b2e1de1f03617bdb2d4a8e9648470081d..653e4ed0c33cf8cbeb8aec293ed59da007acc86d 100644 (file)
--- a/src/HYDROTools/plugins/CMakeLists.txt
+++ b/src/HYDROTools/plugins/CMakeLists.txt
@@ -21,11 +21,13 @@ SET(PLUGIN_SCRIPTS
   __init__.py
   meshEdgesToShapesDialog.py
   fitShapePointsToMeshEdgesDialog.py
+  cutMeshDialog.py
 )
 
 SET(UIFILES
   meshEdgesToShapes.ui
   fitShapePointsToMeshEdges.ui
+  cutMesh.ui
 )
 
 # --- rules ---

diff --git a/src/HYDROTools/plugins/cutMesh.ui b/src/HYDROTools/plugins/cutMesh.ui
new file mode 100644 (file)
index 0000000..c540c32
--- /dev/null
+++ b/src/HYDROTools/plugins/cutMesh.ui
@@ -0,0 +1,504 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>817</width>
+    <height>440</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Cut a mesh by a polyline shape</string>
+  </property>
+  <property name="layoutDirection">
+   <enum>Qt::LeftToRight</enum>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_3">
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Input</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QLabel" name="lb_medFile">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>MED file</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QToolButton" name="tb_medFile">
+          <property name="toolTip">
+           <string>Select a mesh in the Object Browser</string>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="le_medFile"/>
+        </item>
+        <item>
+         <widget class="QToolButton" name="pb_medFile">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>Select a mesh in the file system</string>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="0" column="0">
+         <widget class="QLabel" name="lb_offsetX">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Offset X</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="2">
+         <spacer name="horizontalSpacer_2">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="lb_offsetY">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Offset Y</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="2">
+         <spacer name="horizontalSpacer_3">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="1" column="1">
+         <widget class="QDoubleSpinBox" name="dsb_offsetY">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>Y coordinate of origin of input mesh</string>
+          </property>
+          <property name="decimals">
+           <number>0</number>
+          </property>
+          <property name="minimum">
+           <double>-10000000.000000000000000</double>
+          </property>
+          <property name="maximum">
+           <double>10000000.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QDoubleSpinBox" name="dsb_offsetX">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>X coordinate of origin of input mesh</string>
+          </property>
+          <property name="layoutDirection">
+           <enum>Qt::LeftToRight</enum>
+          </property>
+          <property name="decimals">
+           <number>0</number>
+          </property>
+          <property name="minimum">
+           <double>-100000000.000000000000000</double>
+          </property>
+          <property name="maximum">
+           <double>10000000.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_4">
+        <item>
+         <widget class="QLabel" name="lb_shapeCut">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Cutting shapefile</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QToolButton" name="tb_shapeCut">
+          <property name="toolTip">
+           <string>Select a shape in the HYDRO object browser</string>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="le_shapeCut"/>
+        </item>
+        <item>
+         <widget class="QToolButton" name="pb_shapeCut">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>Select a shapefile in the file system</string>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
+      <string>Output</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_3">
+        <item>
+         <widget class="QLabel" name="lb_outDir">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Output dir:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="le_outDir">
+          <property name="statusTip">
+           <string>directory to store shapefiles and output mesh file if kept</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QToolButton" name="pb_outDir">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>Select a directory in the file system</string>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="0">
+         <widget class="QLabel" name="lb_outOffsetX">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Offset X</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="2">
+         <spacer name="horizontalSpacer_4">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="lb_offsetY_2">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Offset Y</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="2">
+         <spacer name="horizontalSpacer_5">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="1" column="1">
+         <widget class="QDoubleSpinBox" name="dsb_outOffsetY">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>Y coordinate of origin of output mesh</string>
+          </property>
+          <property name="decimals">
+           <number>0</number>
+          </property>
+          <property name="minimum">
+           <double>-10000000.000000000000000</double>
+          </property>
+          <property name="maximum">
+           <double>10000000.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QDoubleSpinBox" name="dsb_outOffsetX">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>X coordinate of origin of output mesh</string>
+          </property>
+          <property name="layoutDirection">
+           <enum>Qt::LeftToRight</enum>
+          </property>
+          <property name="decimals">
+           <number>0</number>
+          </property>
+          <property name="minimum">
+           <double>-100000000.000000000000000</double>
+          </property>
+          <property name="maximum">
+           <double>10000000.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>66</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QDialogButtonBox" name="pb_ok">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pb_help">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Help</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>pb_ok</sender>
+   <signal>rejected()</signal>
+   <receiver>Dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>pb_ok</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>dsb_offsetX</sender>
+   <signal>valueChanged(double)</signal>
+   <receiver>dsb_outOffsetX</receiver>
+   <slot>setValue(double)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>142</x>
+     <y>87</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>142</x>
+     <y>263</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>dsb_offsetY</sender>
+   <signal>valueChanged(double)</signal>
+   <receiver>dsb_outOffsetY</receiver>
+   <slot>setValue(double)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>142</x>
+     <y>119</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>142</x>
+     <y>295</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

diff --git a/src/HYDROTools/plugins/cutMeshDialog.py b/src/HYDROTools/plugins/cutMeshDialog.py
new file mode 100644 (file)
index 0000000..bcb7067
--- /dev/null
+++ b/src/HYDROTools/plugins/cutMeshDialog.py
@@ -0,0 +1,244 @@
+#  Copyright (C) 2012-2013 EDF
+#
+#  This file is part of SALOME HYDRO module.
+#
+#  SALOME HYDRO module is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  SALOME HYDRO module is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with SALOME HYDRO module.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import sys
+import salome
+
+salome.salome_init()
+
+import SalomePyQt
+sgPyQt = SalomePyQt.SalomePyQt()
+import libSALOME_Swig
+salome_gui = libSALOME_Swig.SALOMEGUI_Swig()
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+from PyQt5 import uic
+from HYDROPy import *
+import json
+
+import tempfile
+
+from salome.hydrotools.hydroGeoMeshUtils import importPolylines
+from salome.hydrotools.changeCoords import changeCoords
+from salome.hydrotools.cutMesh import cutMesh
+
+import  SMESH, SALOMEDS
+from salome.smesh import smeshBuilder
+
+hydro_root = os.path.join(os.environ['HYDRO_ROOT_DIR'], 'share', 'salome', 'plugins', 'hydro', 'plugins')
+hydro_resources = os.path.join(os.environ['HYDRO_ROOT_DIR'], 'share', 'salome', 'resources', 'hydro')
+
+class cutMeshDialog(QDialog):
+    """
+    This dialog is used to extract all groups of edges from a mesh, plus all the border (free) edges,
+    and write the groups as shapefiles.
+    """
+
+    def __init__(self, parent = None, modal = 0):
+        QDialog.__init__(self, parent)
+        uic.loadUi(os.path.join(hydro_root, 'cutMesh.ui'), self )
+
+        # Connections
+        self.pb_medFile.clicked.connect(self.on_med_file_browse)
+        self.tb_medFile.setIcon(QIcon(QPixmap(os.path.join(hydro_resources, "icon_select.png"))))
+        self.tb_medFile.clicked.connect(self.on_select_med_file)
+        self.pb_shapeCut.clicked.connect(self.on_shape_file_browse)
+        self.tb_shapeCut.setIcon(QIcon(QPixmap(os.path.join(hydro_resources, "icon_select.png"))))
+        self.tb_shapeCut.clicked.connect(self.on_select_shape_file)
+        self.pb_outDir.clicked.connect(self.on_outputDir_browse)
+        self.pb_help.clicked.connect(self.on_help)
+        self.pb_ok.accepted.connect(self.on_accept)
+        self.pb_ok.rejected.connect(self.on_reject)
+        self.medFile = None
+        self.outDir = None
+        self.tmpdir = tempfile.mkdtemp()
+        print("tmpdir=",self.tmpdir)
+        
+    def get_selected_mesh(self):
+        """
+        Select a mesh in the object browser and return associated filename
+        """
+        nbsel = salome.sg.SelectedCount()
+        if nbsel != 1:
+            return ""
+        sel=salome.sg.getSelected(0)
+        so=salome.myStudy.FindObjectID(sel)
+        if so is None:
+            return ""
+        obj=so.GetObject()
+        smesh = smeshBuilder.New()
+        smesh.SetEnablePublish( False )
+        mesh1 = smesh.Mesh()
+        smesh.SetEnablePublish( True )
+        if not isinstance(obj, type(mesh1.GetMesh())):
+            return ""
+        filename = obj.GetMesh().GetMEDFileInfo().fileName
+        return filename
+    
+    def on_select_med_file(self):
+        """
+        set selected mesh filename on dialog
+        """
+        filename = self.get_selected_mesh()
+        print("selected mesh: %s"%filename)
+        if filename != "":
+            self.medFile = filename
+            self.le_medFile.setText(self.medFile)
+        
+    def on_med_file_browse(self):
+        """
+        Select MED file in file system
+        """
+        print("on_med_file_browse")
+        self.medFile, filt = QFileDialog.getOpenFileName(self, self.tr("Input MED file"), "", self.tr("MED files (*.med)"))
+        print(self.medFile)
+        if not self.medFile:
+            return
+        self.le_medFile.setText(self.medFile)
+
+    def get_selected_polyline(self):
+        """
+        Select a polyline2D in the HYDRO object browser
+        """
+        ind = SalomePyQt.SalomePyQt.getObjectBrowser().selectionModel().selectedIndexes()
+        doc = HYDROData_Document.Document()
+        for i in ind:
+            if i.column()==0:
+                name = str(i.data())
+                case = doc.FindObjectByName( name )
+                if isinstance(case, HYDROData_PolylineXY):
+                    print("selected %s"%name)
+                    return name
+        return None
+    
+    def on_select_shape_file(self):
+        """
+        Get selected Polyline in the HYDRO object browser
+        """
+        name = self.get_selected_polyline()
+        if name is None:
+            return 
+        doc = HYDROData_Document.Document()
+        polyXY = doc.FindObjectByName(name)
+        if polyXY is None:
+            return
+        self.shapeCut = os.path.join(self.tmpdir, name + ".shp")
+        res = HYDROData_PolylineXY.ExportShapeXY(doc, self.shapeCut, [polyXY])
+        self.le_shapeCut.setText(self.shapeCut)
+
+    def on_shape_file_browse(self):
+        """
+        Select shapefile to cut mesh
+        """
+        print("on_shape_file_browse")
+        self.shapeCut, filt = QFileDialog.getOpenFileName(self, self.tr("shapefile of mesh border edges"), "", self.tr("shapefiles (*.shp)"))
+        print(self.shapeCut)
+        if not self.shapeCut:
+            return
+        self.le_shapeCut.setText(self.shapeCut)
+
+
+    def on_outputDir_browse(self):
+        """
+        Select OutputDirectory
+        """
+        print("on_ouptutDir_browse")
+        self.outDir = QFileDialog.getExistingDirectory(self, self.tr("Output Directory"), "")
+        print(self.outDir)
+        if not self.outDir:
+            return
+        self.le_outDir.setText(self.outDir)
+        
+    def on_help(self):
+        """
+        display a help message
+        """
+        msg = """
+        <h2>Cut a mesh by a polyline shape Dialog</h2>
+
+        This dialog is used to cut a mesh using a polygonal shape, removing all the nodes and elements inside the shape.
+        <br><br>
+        The shape should be in the same system of coordinates of the mesh, without origin offset.
+        <br>        
+        The mesh is saved in a new file.
+        <br>
+        If the mesh uses a local coordinate system with an origin offset, the coordinates of this origin should be set in the dialog.
+        <br><br>         
+        Below is the description of the dialog controls.
+
+        <h3>MED file</h3>
+        This field allows selection of a med file (via the standard file open dialog).
+        The filling of this field is mandatory.
+        
+        <h3>offsetX, offsetY</h3>
+        These fields are used to set the Origin of the local coordinates system of the mesh, if any. 
+
+        <h3>Cutting shapefile</h3>
+        Select the shape via the standard file open dialog or by selection in the object browser.
+        
+        <h3>Output directory</h3>
+        This field allows selection of a directory to store the shapes and the outputMesh.
+
+        <h3>offsetX, offsetY</h3>
+        These fields are used to set the Origin of the local coordinates system of the output mesh, if any. 
+        """
+        QMessageBox.about(self, self.tr("About cut mesh by shape dialog"), msg);
+       
+   
+    def on_accept(self):
+        print("accept")
+        medFile = self.le_medFile.text()
+        offsetX = self.dsb_offsetX.value()
+        offsetY = self.dsb_offsetY.value()
+        shapeCut = self.le_shapeCut.text()
+        outDir = self.le_outDir.text()
+        outOffsetX = self.dsb_outOffsetX.value()
+        outOffsetY = self.dsb_outOffsetY.value()
+        self.accept()
+        print(medFile)
+        print(offsetX, offsetY)
+        print(shapeCut)
+        print(outDir)
+        print(outOffsetX, outOffsetY)
+        a = os.path.splitext(medFile)
+        
+        medFileTrans = os.path.join(self.tmpdir, os.path.basename(a[0])+'_trs.med')
+        changeCoords(medFile, medFileTrans, 2154, 2154, offsetX, offsetY, 0, 0)
+        
+        medFileOut = os.path.join(outDir, os.path.basename(a[0]) + '_cut' + a[1])
+        print(medFileOut)
+        meshFileOut = cutMesh(medFileTrans,
+                              shapeCut,
+                              medFileOut, outOffsetX, outOffsetY)
+        
+        if salome.sg.hasDesktop():
+            salome.sg.updateObjBrowser()
+            
+
+    def on_reject(self):
+        print("reject")
+        self.reject()
+        
+
+def execDialog(context):
+    print("execDialog")
+    desktop = sgPyQt.getDesktop()
+    dlg = cutMeshDialog(desktop)
+    dlg.show()