diff --git a/src/BasicGUI/BasicGUI_CircleDlg.cxx b/src/BasicGUI/BasicGUI_CircleDlg.cxx
index 5bd907f71..ce76529d0 100644
--- a/src/BasicGUI/BasicGUI_CircleDlg.cxx
+++ b/src/BasicGUI/BasicGUI_CircleDlg.cxx
@@ -125,7 +125,7 @@ void BasicGUI_CircleDlg::Init()
   double aStep = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
 
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPntVecR->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, aStep, 3);
+  GroupPntVecR->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, aStep, 3);
   GroupPntVecR->SpinBox_DX->SetValue( 100 );
 
   /* signals and slots connections */
diff --git a/src/BasicGUI/BasicGUI_EllipseDlg.cxx b/src/BasicGUI/BasicGUI_EllipseDlg.cxx
index 0aa2d0da7..ba6db7d30 100644
--- a/src/BasicGUI/BasicGUI_EllipseDlg.cxx
+++ b/src/BasicGUI/BasicGUI_EllipseDlg.cxx
@@ -114,8 +114,8 @@ void BasicGUI_EllipseDlg::Init()
   double aMajorR( 200. ), aMinorR( 100. );
 
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator( 0.001, 999.999, step, 3 );
-  GroupPoints->SpinBox_DY->RangeStepAndValidator( 0.001, 999.999, step, 3 );
+  GroupPoints->SpinBox_DX->RangeStepAndValidator( 0.001, COORD_MAX, step, 3 );
+  GroupPoints->SpinBox_DY->RangeStepAndValidator( 0.001, COORD_MAX, step, 3 );
   GroupPoints->SpinBox_DX->SetValue( aMajorR );
   GroupPoints->SpinBox_DY->SetValue( aMinorR );
 
diff --git a/src/BasicGUI/BasicGUI_MarkerDlg.cxx b/src/BasicGUI/BasicGUI_MarkerDlg.cxx
index 521d2a742..0cb94ee06 100644
--- a/src/BasicGUI/BasicGUI_MarkerDlg.cxx
+++ b/src/BasicGUI/BasicGUI_MarkerDlg.cxx
@@ -176,7 +176,7 @@ void BasicGUI_MarkerDlg::Init()
   
   for ( DataMap::iterator anIter = myData.begin(); anIter != myData.end(); ++anIter )
   {
-    anIter.data()->RangeStepAndValidator( -999.999, 999.999, step, 3 );
+    anIter.data()->RangeStepAndValidator( COORD_MIN, COORD_MAX, step, 3 );
     connect( anIter.data(), SIGNAL( valueChanged( double ) ),
              this, SLOT( onValueChanged( double ) ) );
   }
diff --git a/src/BasicGUI/BasicGUI_PlaneDlg.cxx b/src/BasicGUI/BasicGUI_PlaneDlg.cxx
index 22975fe58..42d4b17af 100644
--- a/src/BasicGUI/BasicGUI_PlaneDlg.cxx
+++ b/src/BasicGUI/BasicGUI_PlaneDlg.cxx
@@ -136,11 +136,11 @@ void BasicGUI_PlaneDlg::Init()
   double aTrimSize = 2000.0;
   
   /* min, max, step and decimals for spin boxes */
-  GroupPntDir->SpinBox_DX->RangeStepAndValidator( 0.001, 10000000.0, aStep, 3 );
+  GroupPntDir->SpinBox_DX->RangeStepAndValidator( 0.001, COORD_MAX, aStep, 3 );
   GroupPntDir->SpinBox_DX->SetValue( aTrimSize );
-  Group3Pnts->SpinBox_DX->RangeStepAndValidator(0.001, 10000000.0, aStep, 3);
+  Group3Pnts->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, aStep, 3);
   Group3Pnts->SpinBox_DX->SetValue( aTrimSize );
-  GroupFace->SpinBox_DX->RangeStepAndValidator(0.001, 10000000.0, aStep, 3);
+  GroupFace->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, aStep, 3);
   GroupFace->SpinBox_DX->SetValue( aTrimSize );
 
   /* signals and slots connections */
diff --git a/src/BasicGUI/BasicGUI_PointDlg.cxx b/src/BasicGUI/BasicGUI_PointDlg.cxx
index a194408cc..16b642130 100644
--- a/src/BasicGUI/BasicGUI_PointDlg.cxx
+++ b/src/BasicGUI/BasicGUI_PointDlg.cxx
@@ -157,16 +157,16 @@ void BasicGUI_PointDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
   
   /* min, max, step and decimals for spin boxes */
-  GroupXYZ->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupXYZ->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupXYZ->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupXYZ->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupXYZ->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupXYZ->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   GroupXYZ->SpinBox_DX->SetValue(0.0);
   GroupXYZ->SpinBox_DY->SetValue(0.0);
   GroupXYZ->SpinBox_DZ->SetValue(0.0);
 
-  GroupRefPoint->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupRefPoint->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupRefPoint->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupRefPoint->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupRefPoint->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupRefPoint->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   GroupRefPoint->SpinBox_DX->SetValue(0.0);
   GroupRefPoint->SpinBox_DY->SetValue(0.0);
   GroupRefPoint->SpinBox_DZ->SetValue(0.0);
diff --git a/src/BasicGUI/BasicGUI_VectorDlg.cxx b/src/BasicGUI/BasicGUI_VectorDlg.cxx
index ab7a81556..48fb526cd 100644
--- a/src/BasicGUI/BasicGUI_VectorDlg.cxx
+++ b/src/BasicGUI/BasicGUI_VectorDlg.cxx
@@ -118,9 +118,9 @@ void BasicGUI_VectorDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
  
   /* min, max, step and decimals for spin boxes */
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
 
   double dx( 0. ), dy( 0. ), dz( 200. );
   GroupDimensions->SpinBox_DX->SetValue( dx );
diff --git a/src/DlgRef/DlgRef_SpinBox.h b/src/DlgRef/DlgRef_SpinBox.h
index 1525987de..097e1378f 100644
--- a/src/DlgRef/DlgRef_SpinBox.h
+++ b/src/DlgRef/DlgRef_SpinBox.h
@@ -40,6 +40,10 @@
 #else
 #define DLGREF_WNT_EXPORT
 #endif
+
+#define COORD_MIN -1e+15
+#define COORD_MAX +1e+15
+
 //=================================================================================
 // class    : DlgRef_SpinBox
 // purpose  : Derivated from QSpinBox class and modified to accept floats
diff --git a/src/EntityGUI/EntityGUI_SketcherDlg.cxx b/src/EntityGUI/EntityGUI_SketcherDlg.cxx
index 4ab7da484..d81b9b85c 100644
--- a/src/EntityGUI/EntityGUI_SketcherDlg.cxx
+++ b/src/EntityGUI/EntityGUI_SketcherDlg.cxx
@@ -257,16 +257,16 @@ void EntityGUI_SketcherDlg::Init()
   double step = SUIT_Session::session()->resourceMgr()->doubleValue( "Geometry", "SettingsGeomStep", 100.0 );
 
   /* min, max, step and decimals for spin boxes */
-  Group1Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group2Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group3Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group3Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group3Spin->SpinBox_DZ->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group4Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 0.1, 3);
-  Group4Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 0.1, 3);
-  Group4Spin->SpinBox_DZ->RangeStepAndValidator(-999999.999, 999999.999, step, 3);
-  Group4Spin->SpinBox_DS->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
+  Group1Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group2Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group3Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group3Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group3Spin->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group4Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 0.1, 3);
+  Group4Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 0.1, 3);
+  Group4Spin->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  Group4Spin->SpinBox_DS->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
 
   /* displays Dialog */
   GroupConstructors->setEnabled(false);
@@ -364,8 +364,8 @@ void EntityGUI_SketcherDlg::PointClicked(int constructorId)
     if ( constructorId == 1 )
     {  // XY
       mySketchType = PT_ABS;
-      Group2Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
-      Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
+      Group2Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
+      Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
       Group2Spin->TextLabel1->setText(tr("GEOM_SKETCHER_X2"));
       Group2Spin->TextLabel2->setText(tr("GEOM_SKETCHER_Y2"));
       myX = 0.0;
@@ -380,8 +380,8 @@ void EntityGUI_SketcherDlg::PointClicked(int constructorId)
     else if ( constructorId == 0 )
     {  // DXDY
       mySketchType = PT_RELATIVE;
-      Group2Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
-      Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
+      Group2Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
+      Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
       Group2Spin->TextLabel1->setText(tr("GEOM_SKETCHER_DX2"));
       Group2Spin->TextLabel2->setText(tr("GEOM_SKETCHER_DY2"));
       myDX = 0.0;
@@ -435,8 +435,8 @@ void EntityGUI_SketcherDlg::Dir2Clicked(int constructorId)
     myLength = 100.0;
     if ( myConstructorDirId == 2 )
     {  // Angle
-      Group2Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
-      Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
+      Group2Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
+      Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
       Group2Spin->TextLabel1->setText(tr("GEOM_SKETCHER_ANGLE2"));
       Group2Spin->SpinBox_DX->SetValue(myAngle);
       Group2Spin->buttonApply->setFocus();
@@ -511,9 +511,9 @@ void EntityGUI_SketcherDlg::Dir2Clicked(int constructorId)
     }
     else if ( myConstructorDirId == 3 )
     {  // DXDY
-      Group3Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 0.1, 3);
-      Group3Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 0.1, 3);
-      Group3Spin->SpinBox_DZ->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
+      Group3Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 0.1, 3);
+      Group3Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 0.1, 3);
+      Group3Spin->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
       Group3Spin->TextLabel1->setText(tr("GEOM_SKETCHER_VX2"));
       Group3Spin->TextLabel2->setText(tr("GEOM_SKETCHER_VY2"));
       myDX = 0.0;
@@ -550,9 +550,9 @@ void EntityGUI_SketcherDlg::Dir2Clicked(int constructorId)
       if ( constructorId == 2 )
       {  // Length
 				mySketchType = DIR_ANGLE_LENGTH;
-				Group3Spin->SpinBox_DX->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
-				Group3Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
-				Group3Spin->SpinBox_DZ->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
+				Group3Spin->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
+				Group3Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
+				Group3Spin->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
 				Group3Spin->TextLabel1->setText(tr("GEOM_SKETCHER_ANGLE2"));
 				Group3Spin->TextLabel2->setText(tr("GEOM_SKETCHER_RADIUS2"));
 				Group3Spin->TextLabel3->setText(tr("GEOM_SKETCHER_ANGLE2"));
@@ -570,8 +570,8 @@ void EntityGUI_SketcherDlg::Dir2Clicked(int constructorId)
       if ( constructorId == 2 )
       {  // Length
 				mySketchType = DIR_PER_LENGTH;
-				Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
-				Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
+				Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
+				Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
 				Group2Spin->TextLabel1->setText(tr("GEOM_SKETCHER_RADIUS2"));
 				Group2Spin->TextLabel2->setText(tr("GEOM_SKETCHER_ANGLE2"));
 				myRadius = 100.0;
@@ -587,8 +587,8 @@ void EntityGUI_SketcherDlg::Dir2Clicked(int constructorId)
       if ( constructorId == 2 )
       {  // Length
 				mySketchType = DIR_TAN_LENGTH;
-				Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 100., 3);
-				Group2Spin->SpinBox_DY->RangeStepAndValidator(-999999.999, 999999.999, 5., 3);
+				Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 100., 3);
+				Group2Spin->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, 5., 3);
 				Group2Spin->TextLabel1->setText(tr("GEOM_SKETCHER_RADIUS2"));
 				Group2Spin->TextLabel2->setText(tr("GEOM_SKETCHER_ANGLE2"));
 				myRadius = 100.0;
diff --git a/src/GenerationGUI/GenerationGUI_PrismDlg.cxx b/src/GenerationGUI/GenerationGUI_PrismDlg.cxx
index 1d536a1ae..904f28c01 100644
--- a/src/GenerationGUI/GenerationGUI_PrismDlg.cxx
+++ b/src/GenerationGUI/GenerationGUI_PrismDlg.cxx
@@ -133,7 +133,7 @@ void GenerationGUI_PrismDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
 
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, +999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   GroupPoints->SpinBox_DX->SetValue(100.0);
 
   /* signals and slots connections */
diff --git a/src/GenerationGUI/GenerationGUI_RevolDlg.cxx b/src/GenerationGUI/GenerationGUI_RevolDlg.cxx
index 8ef0d44e6..662d2161b 100644
--- a/src/GenerationGUI/GenerationGUI_RevolDlg.cxx
+++ b/src/GenerationGUI/GenerationGUI_RevolDlg.cxx
@@ -115,7 +115,7 @@ void GenerationGUI_RevolDlg::Init()
 
   double SpecificStep = 5;
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, SpecificStep, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, SpecificStep, 3);
   GroupPoints->SpinBox_DX->SetValue(45.0);
 
   /* signals and slots connections */
diff --git a/src/OperationGUI/OperationGUI_ArchimedeDlg.cxx b/src/OperationGUI/OperationGUI_ArchimedeDlg.cxx
index 149fdba75..886adba41 100644
--- a/src/OperationGUI/OperationGUI_ArchimedeDlg.cxx
+++ b/src/OperationGUI/OperationGUI_ArchimedeDlg.cxx
@@ -103,9 +103,9 @@ void OperationGUI_ArchimedeDlg::Init()
   double SpecificStep1 = 0.1;
   double SpecificStep2 = 0.01;
   /* min, max, myStep and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, myStep, 3);
-  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.001, 999.999, SpecificStep1, 3);
-  GroupPoints->SpinBox_DZ->RangeStepAndValidator(0.001, 999.999, SpecificStep2, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, myStep, 3);
+  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.001, COORD_MAX, SpecificStep1, 3);
+  GroupPoints->SpinBox_DZ->RangeStepAndValidator(0.001, COORD_MAX, SpecificStep2, 3);
 
   GroupPoints->SpinBox_DX->SetValue( 100.0 );
   GroupPoints->SpinBox_DY->SetValue( 1.0 );
diff --git a/src/OperationGUI/OperationGUI_ChamferDlg.cxx b/src/OperationGUI/OperationGUI_ChamferDlg.cxx
index fc2b12e96..1a4f75ecd 100644
--- a/src/OperationGUI/OperationGUI_ChamferDlg.cxx
+++ b/src/OperationGUI/OperationGUI_ChamferDlg.cxx
@@ -146,7 +146,7 @@ OperationGUI_ChamferDlg::OperationGUI_ChamferDlg(GeometryGUI* theGeometryGUI, QW
   double SpecificStep = 10.0;
   QMap< int, DlgRef_SpinBox* >::iterator anIter;
   for ( anIter = mySpinBox.begin(); anIter != mySpinBox.end(); ++anIter )
-    anIter.data()->RangeStepAndValidator( 0.001, 999.999, SpecificStep, 3 );
+    anIter.data()->RangeStepAndValidator( 0.001, COORD_MAX, SpecificStep, 3 );
 
   setHelpFileName("chamfer.htm");
 
diff --git a/src/OperationGUI/OperationGUI_ClippingDlg.cxx b/src/OperationGUI/OperationGUI_ClippingDlg.cxx
index 221e1c073..9e451629f 100644
--- a/src/OperationGUI/OperationGUI_ClippingDlg.cxx
+++ b/src/OperationGUI/OperationGUI_ClippingDlg.cxx
@@ -109,8 +109,8 @@ OperationGUI_ClippingDlg::OperationGUI_ClippingDlg(GeometryGUI* theGeometryGUI,
   Layout1->addWidget( GroupArguments, 2, 0 );
 
   /* Initialisations */
-  SpinBox_Near->RangeStepAndValidator( -999999.999, +999999.999, 10.0, 3 );
-  SpinBox_Far->RangeStepAndValidator( -999999.999, +999999.999, 10.0, 3 );
+  SpinBox_Near->RangeStepAndValidator( COORD_MIN, COORD_MAX, 10.0, 3 );
+  SpinBox_Far->RangeStepAndValidator( COORD_MIN, COORD_MAX, 10.0, 3 );
 
   /* signals and slots connections */
   connect( buttonOk   , SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
diff --git a/src/OperationGUI/OperationGUI_FilletDlg.cxx b/src/OperationGUI/OperationGUI_FilletDlg.cxx
index d512a33b4..62633cd0a 100644
--- a/src/OperationGUI/OperationGUI_FilletDlg.cxx
+++ b/src/OperationGUI/OperationGUI_FilletDlg.cxx
@@ -105,9 +105,9 @@ OperationGUI_FilletDlg::OperationGUI_FilletDlg(GeometryGUI* theGeometryGUI, QWid
   /***************************************************************/
 
   double SpecificStep = 10.0;
-  Group1->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, SpecificStep, 3);
-  Group2->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, SpecificStep, 3);
-  Group3->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, SpecificStep, 3);
+  Group1->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, SpecificStep, 3);
+  Group2->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, SpecificStep, 3);
+  Group3->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, SpecificStep, 3);
 
   setHelpFileName("fillet.htm");
 
diff --git a/src/PrimitiveGUI/PrimitiveGUI_BoxDlg.cxx b/src/PrimitiveGUI/PrimitiveGUI_BoxDlg.cxx
index 28e59287c..23e9ce46a 100644
--- a/src/PrimitiveGUI/PrimitiveGUI_BoxDlg.cxx
+++ b/src/PrimitiveGUI/PrimitiveGUI_BoxDlg.cxx
@@ -117,9 +117,9 @@ void PrimitiveGUI_BoxDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
   
   /* min, max, step and decimals for spin boxes */
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
 
   double initValue = 200.0;
   GroupDimensions->SpinBox_DX->SetValue(initValue);
diff --git a/src/PrimitiveGUI/PrimitiveGUI_ConeDlg.cxx b/src/PrimitiveGUI/PrimitiveGUI_ConeDlg.cxx
index cd250f830..7de92356e 100644
--- a/src/PrimitiveGUI/PrimitiveGUI_ConeDlg.cxx
+++ b/src/PrimitiveGUI/PrimitiveGUI_ConeDlg.cxx
@@ -119,12 +119,12 @@ void PrimitiveGUI_ConeDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
   
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.000, 999.999, step, 3);
-  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.000, 999.999, step, 3);
-  GroupPoints->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.000, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY->RangeStepAndValidator(0.000, 999.999, step, 3);
-  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.000, COORD_MAX, step, 3);
+  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.000, COORD_MAX, step, 3);
+  GroupPoints->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.000, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY->RangeStepAndValidator(0.000, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
 
   double aRadius1(100.0), aRadius2(0.0), aHeight(300.0); 
   GroupPoints->SpinBox_DX->SetValue(aRadius1);
diff --git a/src/PrimitiveGUI/PrimitiveGUI_CylinderDlg.cxx b/src/PrimitiveGUI/PrimitiveGUI_CylinderDlg.cxx
index 7a5f38236..503211cf2 100644
--- a/src/PrimitiveGUI/PrimitiveGUI_CylinderDlg.cxx
+++ b/src/PrimitiveGUI/PrimitiveGUI_CylinderDlg.cxx
@@ -118,13 +118,13 @@ void PrimitiveGUI_CylinderDlg::Init()
 
   /* min, max, step and decimals for spin boxes & initial values */
   /* First constructor : radius */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
   /* First constructor : algebric height */
-  GroupPoints->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupPoints->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   /* Second constructor : radius */
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
   /* Second constructor : algebric height */
-  GroupDimensions->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupDimensions->SpinBox_DY->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
 
   GroupPoints->SpinBox_DX->SetValue(100.0);
   GroupPoints->SpinBox_DY->SetValue(300.0);
diff --git a/src/PrimitiveGUI/PrimitiveGUI_SphereDlg.cxx b/src/PrimitiveGUI/PrimitiveGUI_SphereDlg.cxx
index 3c4e8adeb..f52f0822a 100644
--- a/src/PrimitiveGUI/PrimitiveGUI_SphereDlg.cxx
+++ b/src/PrimitiveGUI/PrimitiveGUI_SphereDlg.cxx
@@ -112,8 +112,8 @@ void PrimitiveGUI_SphereDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
 
   /* min, max, step and decimals for spin boxes */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
   GroupPoints->SpinBox_DX->SetValue(100.0);
   GroupDimensions->SpinBox_DX->SetValue(100.0);
   
diff --git a/src/PrimitiveGUI/PrimitiveGUI_TorusDlg.cxx b/src/PrimitiveGUI/PrimitiveGUI_TorusDlg.cxx
index fe98d7cc7..7ab9ca465 100644
--- a/src/PrimitiveGUI/PrimitiveGUI_TorusDlg.cxx
+++ b/src/PrimitiveGUI/PrimitiveGUI_TorusDlg.cxx
@@ -117,10 +117,10 @@ void PrimitiveGUI_TorusDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
 
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
-  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.001, 999.999, step, 3);
-  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY->RangeStepAndValidator(0.001, 999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
+  GroupPoints->SpinBox_DY->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DX->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY->RangeStepAndValidator(0.001, COORD_MAX, step, 3);
 
   GroupPoints->SpinBox_DX->SetValue(300.0);
   GroupPoints->SpinBox_DY->SetValue(100.0);
diff --git a/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx b/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
index 01c8b24a0..a8e212328 100644
--- a/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
@@ -124,13 +124,13 @@ void TransformationGUI_MultiRotationDlg::Init()
   double SpecificStep1 = 5;
   double SpecificStep2 = 1;
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(1.0, 999.999, SpecificStep2, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep2, 3);
   GroupPoints->SpinBox_DX->SetValue(myNbTimes1);
 
-  GroupDimensions->SpinBox_DX1->RangeStepAndValidator(-999.999, 999.999, SpecificStep1, 3);
-  GroupDimensions->SpinBox_DY1->RangeStepAndValidator(1.0, 999.999, SpecificStep2, 3);
-  GroupDimensions->SpinBox_DX2->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY2->RangeStepAndValidator(1.0, 999.999, SpecificStep2, 3);
+  GroupDimensions->SpinBox_DX1->RangeStepAndValidator(COORD_MIN, COORD_MAX, SpecificStep1, 3);
+  GroupDimensions->SpinBox_DY1->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep2, 3);
+  GroupDimensions->SpinBox_DX2->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY2->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep2, 3);
   GroupDimensions->SpinBox_DX1->SetValue(myAng);
   GroupDimensions->SpinBox_DY1->SetValue(myNbTimes1);
   GroupDimensions->SpinBox_DX2->SetValue(myStep);
diff --git a/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx b/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
index c1e7aed86..f340bc998 100644
--- a/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
@@ -130,15 +130,15 @@ void TransformationGUI_MultiTranslationDlg::Init()
   
   double SpecificStep = 1;
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupPoints->SpinBox_DY->RangeStepAndValidator(1.0, 999.999, SpecificStep, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupPoints->SpinBox_DY->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep, 3);
   GroupPoints->SpinBox_DX->SetValue(myStepU);
   GroupPoints->SpinBox_DY->SetValue(myNbTimesU);
 
-  GroupDimensions->SpinBox_DX1->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY1->RangeStepAndValidator(1.0, 999.999, SpecificStep, 3);
-  GroupDimensions->SpinBox_DX2->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupDimensions->SpinBox_DY2->RangeStepAndValidator(1.0, 999.999, SpecificStep, 3);
+  GroupDimensions->SpinBox_DX1->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY1->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep, 3);
+  GroupDimensions->SpinBox_DX2->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupDimensions->SpinBox_DY2->RangeStepAndValidator(1.0, COORD_MAX, SpecificStep, 3);
   GroupDimensions->SpinBox_DX1->SetValue(myStepU);
   GroupDimensions->SpinBox_DY1->SetValue(myNbTimesU);
   GroupDimensions->SpinBox_DX2->SetValue(myStepV);
diff --git a/src/TransformationGUI/TransformationGUI_OffsetDlg.cxx b/src/TransformationGUI/TransformationGUI_OffsetDlg.cxx
index 6fe4f3bc4..df59894a7 100644
--- a/src/TransformationGUI/TransformationGUI_OffsetDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_OffsetDlg.cxx
@@ -108,7 +108,7 @@ void TransformationGUI_OffsetDlg::Init()
   double step = 1;
    
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   GroupPoints->SpinBox_DX->setPrecision(5);
   //@ GroupPoints->SpinBox_DX->setDblPrecision(1e-05);    
   GroupPoints->SpinBox_DX->SetValue(1e-05);
diff --git a/src/TransformationGUI/TransformationGUI_RotationDlg.cxx b/src/TransformationGUI/TransformationGUI_RotationDlg.cxx
index 6f07b1c73..c22db8006 100644
--- a/src/TransformationGUI/TransformationGUI_RotationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_RotationDlg.cxx
@@ -82,7 +82,7 @@ TransformationGUI_RotationDlg::TransformationGUI_RotationDlg
   double anAngle = 0;
   double SpecificStep = 5;
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, SpecificStep, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, SpecificStep, 3);
   GroupPoints->SpinBox_DX->SetValue(anAngle);
 
   // Activate Create a Copy mode
diff --git a/src/TransformationGUI/TransformationGUI_ScaleDlg.cxx b/src/TransformationGUI/TransformationGUI_ScaleDlg.cxx
index 259a1da2d..40e6cc20a 100644
--- a/src/TransformationGUI/TransformationGUI_ScaleDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_ScaleDlg.cxx
@@ -85,7 +85,7 @@ TransformationGUI_ScaleDlg::TransformationGUI_ScaleDlg(GeometryGUI* theGeometryG
   double aFactor = 2.0;
   double SpecificStep = 0.5;
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, SpecificStep, 3);
+  GroupPoints->SpinBox_DX->RangeStepAndValidator(COORD_MIN, COORD_MAX, SpecificStep, 3);
   GroupPoints->SpinBox_DX->SetValue(aFactor);
   
   // Activate Create a Copy mode
diff --git a/src/TransformationGUI/TransformationGUI_TranslationDlg.cxx b/src/TransformationGUI/TransformationGUI_TranslationDlg.cxx
index 0a02a62a6..5e022bc88 100644
--- a/src/TransformationGUI/TransformationGUI_TranslationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_TranslationDlg.cxx
@@ -124,9 +124,9 @@ void TransformationGUI_TranslationDlg::Init()
   double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
   
   /* min, max, step and decimals for spin boxes & initial values */
-  GroupPoints->SpinBox1->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupPoints->SpinBox2->RangeStepAndValidator(-999.999, 999.999, step, 3);
-  GroupPoints->SpinBox3->RangeStepAndValidator(-999.999, 999.999, step, 3);
+  GroupPoints->SpinBox1->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupPoints->SpinBox2->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
+  GroupPoints->SpinBox3->RangeStepAndValidator(COORD_MIN, COORD_MAX, step, 3);
   
   GroupPoints->SpinBox1->SetValue(0.0);
   GroupPoints->SpinBox2->SetValue(0.0);