From 8b70f46fd6ac8b7cc1823d911c37788b8bca5e65 Mon Sep 17 00:00:00 2001
From: cg246364 <clarisse.genrault@cea.fr>
Date: Wed, 16 Jun 2021 15:14:48 +0200
Subject: [PATCH] Add a new method to create a box with a center and three
 half-lengths

---
 src/GeomAlgoAPI/GeomAlgoAPI_Box.cpp           |  54 ++++++++++---
 src/GeomAlgoAPI/GeomAlgoAPI_Box.h             |  17 ++++
 src/PrimitivesAPI/PrimitivesAPI_Box.cpp       |  73 +++++++++++++++++-
 src/PrimitivesAPI/PrimitivesAPI_Box.h         |  51 +++++++++++-
 src/PrimitivesPlugin/PrimitivesPlugin_Box.cpp |  57 ++++++++++++++
 src/PrimitivesPlugin/PrimitivesPlugin_Box.h   |  55 ++++++++++++-
 src/PrimitivesPlugin/box_widget.xml           |  51 ++++++++++++
 src/PrimitivesPlugin/doc/TUI_boxByPtDims.rst  |  12 +++
 src/PrimitivesPlugin/doc/boxFeature.rst       |  48 +++++++++++-
 src/PrimitivesPlugin/doc/examples/box3.py     |   9 +++
 src/PrimitivesPlugin/doc/images/Box3.png      | Bin 0 -> 4828 bytes
 .../doc/images/Box_ptAndDims.png              | Bin 0 -> 14590 bytes
 .../doc/images/box_pt_dxyz_32x32.png          | Bin 0 -> 1188 bytes
 .../icons/box_pt_dxyz_32x32.png               | Bin 0 -> 1188 bytes
 14 files changed, 407 insertions(+), 20 deletions(-)
 create mode 100644 src/PrimitivesPlugin/doc/TUI_boxByPtDims.rst
 create mode 100644 src/PrimitivesPlugin/doc/examples/box3.py
 create mode 100644 src/PrimitivesPlugin/doc/images/Box3.png
 create mode 100644 src/PrimitivesPlugin/doc/images/Box_ptAndDims.png
 create mode 100644 src/PrimitivesPlugin/doc/images/box_pt_dxyz_32x32.png
 create mode 100644 src/PrimitivesPlugin/icons/box_pt_dxyz_32x32.png

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Box.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_Box.cpp
index 1dcc9fa97..21da9cb04 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Box.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Box.cpp
@@ -34,6 +34,7 @@ GeomAlgoAPI_Box::GeomAlgoAPI_Box(const double theDx, const double theDy, const d
   myDy = theDy;
   myDz = theDz;
   myMethodType = MethodType::BOX_DIM;
+  headError = "Box builder with dimensions";
 }
 
 //=================================================================================================
@@ -43,33 +44,48 @@ GeomAlgoAPI_Box::GeomAlgoAPI_Box(std::shared_ptr<GeomAPI_Pnt> theFirstPoint,
   myFirstPoint = theFirstPoint;
   mySecondPoint = theSecondPoint;
   myMethodType = MethodType::BOX_POINTS;
+  headError = "Box builder with two points";
+}
+
+//=================================================================================================
+GeomAlgoAPI_Box::GeomAlgoAPI_Box(const double theOx, const double theOy, const double theOz,
+                                 const double theDx, const double theDy, const double theDz)
+{
+  myOx = theOx;
+  myOy = theOy;
+  myOz = theOz;
+  myDx = theDx;
+  myDy = theDy;
+  myDz = theDz;
+  myMethodType = MethodType::BOX_POINT_DIMS;
+  headError = "Box builder with coordinates and dimensions";
 }
 
 //=================================================================================================
 bool GeomAlgoAPI_Box::check()
 {
-  if (myMethodType == MethodType::BOX_DIM) {
+  if (myMethodType == MethodType::BOX_DIM || myMethodType == MethodType::BOX_POINT_DIMS) {
     if (myDx < Precision::Confusion()) {
-      myError = "Box builder with dimensions :: Dx is null or negative.";
+      myError = headError + " :: Dx is null or negative.";
       return false;
     } else if (myDy < Precision::Confusion()) {
-      myError = "Box builder with dimensions :: Dy is null or negative.";
+      myError = headError + " :: Dy is null or negative.";
       return false;
     } else if (myDz < Precision::Confusion()) {
-      myError = "Box builder with dimensions :: Dz is null or negative.";
+      myError = headError + " :: Dz is null or negative.";
       return false;
     }
   } else if (myMethodType == MethodType::BOX_POINTS) {
     if (!myFirstPoint.get()) {
-      myError = "Box builder with points :: the first point is not valid.";
+      myError = headError + " :: the first point is not valid.";
       return false;
     }
     if (!mySecondPoint.get()) {
-      myError = "Box builder with points :: the second point is not valid.";
+      myError = headError + " :: the second point is not valid.";
       return false;
     }
     if (myFirstPoint->distance(mySecondPoint) < Precision::Confusion()) {
-      myError = "Box builder with points :: the distance between the two points is null.";
+      myError = headError + " :: the distance between the two points is null.";
       return false;
     }
     double aDiffX = myFirstPoint->x() - mySecondPoint->x();
@@ -79,7 +95,7 @@ bool GeomAlgoAPI_Box::check()
         fabs(aDiffY)  < Precision::Confusion() ||
         fabs(aDiffZ)  < Precision::Confusion()) {
       myError =
-        "Box builder with points :: the points belong both to one of the OXY, OYZ or OZX planes.";
+        headError + " :: the points belong both to one of the OXY, OYZ or OZX planes.";
       return false;
     }
   } else {
@@ -96,6 +112,8 @@ void GeomAlgoAPI_Box::build()
     buildWithDimensions();
   } else if (myMethodType == MethodType::BOX_POINTS) {
     buildWithPoints();
+  } else if (myMethodType == MethodType::BOX_POINT_DIMS) {
+    buildWithPointAndDims();
   } else {
     myError = "Box builder :: Method not implemented.";
     return;
@@ -113,7 +131,7 @@ void GeomAlgoAPI_Box::buildWithDimensions()
 
   // Test the algorithm
   if (!aBoxMaker->IsDone()) {
-    myError = "Box builder with dimensions  :: algorithm failed.";
+    myError = headError + " :: algorithm failed.";
     return;
   }
 
@@ -124,7 +142,7 @@ void GeomAlgoAPI_Box::buildWithDimensions()
 
   // Test on the shapes
   if (!aShape.get() || aShape->isNull()) {
-    myError = "Box builder with dimensions  :: resulting shape is null.";
+    myError = headError + " :: resulting shape is null.";
     return;
   }
 
@@ -147,7 +165,7 @@ void GeomAlgoAPI_Box::buildWithPoints()
 
   // Test the algorithm
   if(!aBoxMaker->IsDone()) {
-    myError = "Box builder with two points  :: algorithm failed.";
+    myError = headError + " :: algorithm failed.";
     return;
   }
 
@@ -159,7 +177,7 @@ void GeomAlgoAPI_Box::buildWithPoints()
 
   // Tests on the shape
   if (!aShape.get() || aShape->isNull()) {
-    myError = "Box builder with two points  :: resulting shape is null.";
+    myError = headError + " :: resulting shape is null.";
     return;
   }
 
@@ -168,6 +186,18 @@ void GeomAlgoAPI_Box::buildWithPoints()
   setDone(true);
 }
 
+//=================================================================================================
+void GeomAlgoAPI_Box::buildWithPointAndDims()
+{
+  // Construct points from cordinates and dimensions to use the method with two points 
+  myFirstPoint =
+    std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(myOx - myDx, myOy - myDy, myOz - myDz));
+  mySecondPoint =
+    std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(myOx + myDx, myOy + myDy, myOz + myDz));
+  
+  buildWithPoints();
+}
+
 //=================================================================================================
 void GeomAlgoAPI_Box::prepareNamingFaces()
 {
diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Box.h b/src/GeomAlgoAPI/GeomAlgoAPI_Box.h
index c6f1269f1..44cdd1c69 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Box.h
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Box.h
@@ -34,6 +34,7 @@ class GeomAlgoAPI_Box : public GeomAlgoAPI_MakeShape
   enum MethodType {
     BOX_DIM,   ///< Box with dimensions
     BOX_POINTS,  ///< Box with points
+    BOX_POINT_DIMS, ///<Box with coordinates of a point and dimensions
   };
 
   GEOMALGOAPI_EXPORT GeomAlgoAPI_Box();
@@ -49,6 +50,16 @@ class GeomAlgoAPI_Box : public GeomAlgoAPI_MakeShape
   /// \param theSecondPoint The other extremity of the diagonal
   GEOMALGOAPI_EXPORT GeomAlgoAPI_Box(std::shared_ptr<GeomAPI_Pnt> theFirstPoint,
                                      std::shared_ptr<GeomAPI_Pnt> theSecondPoint);
+  
+  /// Creates a box using coordinates of a point (the center of gravity) andthe dimensions.
+  /// \param theOx The X coordinate of the point
+  /// \param theOy The Y coordinate of the point
+  /// \param theOz The Z coordinate of the point
+  /// \param theDx The dimension on X
+  /// \param theDy The dimension on Y
+  /// \param theDz The dimension on Z
+  GEOMALGOAPI_EXPORT GeomAlgoAPI_Box(const double theOx, const double theOy, const double theOz,
+                                     const double theDx, const double theDy, const double theDz);
 
   /// Checks if data for the box construction is OK.
   GEOMALGOAPI_EXPORT bool check();
@@ -64,13 +75,19 @@ class GeomAlgoAPI_Box : public GeomAlgoAPI_MakeShape
   void buildWithDimensions();
   /// Builds the box with two points
   void buildWithPoints();
+  /// Buils the box with coordinates of a point and dimensions
+  void buildWithPointAndDims();
 
+  double myOx; /// X coordinate of the center to create a box.
+  double myOy; /// Y coordinate of the center to create a box.
+  double myOz; /// Z coordinate of the center to create a box.
   double myDx; /// Dimension on X to create a box.
   double myDy; /// Dimension on Y to create a box.
   double myDz; /// Dimension Z to create a box.
   std::shared_ptr<GeomAPI_Pnt> myFirstPoint; /// First point to create a box.
   std::shared_ptr<GeomAPI_Pnt> mySecondPoint; /// Second point to create a box.
   MethodType myMethodType; /// Type of method used.
+  std::string headError; /// Head of the error message according to the method
 };
 
 
diff --git a/src/PrimitivesAPI/PrimitivesAPI_Box.cpp b/src/PrimitivesAPI/PrimitivesAPI_Box.cpp
index 04b73f6ee..67fbe3396 100644
--- a/src/PrimitivesAPI/PrimitivesAPI_Box.cpp
+++ b/src/PrimitivesAPI/PrimitivesAPI_Box.cpp
@@ -50,6 +50,29 @@ PrimitivesAPI_Box::PrimitivesAPI_Box(const std::shared_ptr<ModelAPI_Feature>& th
     setPoints(theFirstPoint, theSecondPoint);
 }
 
+//==================================================================================================
+PrimitivesAPI_Box::PrimitivesAPI_Box(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+                                     const ModelHighAPI_Double& theOx,
+                                     const ModelHighAPI_Double& theOy,
+                                     const ModelHighAPI_Double& theOz,
+                                     const ModelHighAPI_Double& theHalfX,
+                                     const ModelHighAPI_Double& theHalfY,
+                                     const ModelHighAPI_Double& theHalfZ)
+: ModelHighAPI_Interface(theFeature)
+{
+  if (initialize())
+  {
+    fillAttribute(PrimitivesPlugin_Box::CREATION_METHOD_BY_ONE_POINT_AND_DIMS(), creationMethod());
+    fillAttribute(theOx, ox());
+    fillAttribute(theOy, oy());
+    fillAttribute(theOz, oz());
+    fillAttribute(theHalfX, halfdx());
+    fillAttribute(theHalfY, halfdy());
+    fillAttribute(theHalfZ, halfdz());
+    execute();
+  }
+}
+
 //==================================================================================================
 PrimitivesAPI_Box::~PrimitivesAPI_Box()
 {
@@ -80,6 +103,30 @@ void PrimitivesAPI_Box::setPoints(const ModelHighAPI_Selection& theFirstPoint,
   execute();
 }
 
+//==================================================================================================
+void PrimitivesAPI_Box::setOrigin(const ModelHighAPI_Double& theOx,
+                                  const ModelHighAPI_Double& theOy,
+                                  const ModelHighAPI_Double& theOz)
+{
+  fillAttribute(theOx, ox());
+  fillAttribute(theOy, oy());
+  fillAttribute(theOz, oz());
+
+  execute();
+}
+
+//==================================================================================================
+void PrimitivesAPI_Box::setHalfLengths(const ModelHighAPI_Double& theHalfLengthX,
+                                       const ModelHighAPI_Double& theHalfLengthY,
+                                       const ModelHighAPI_Double& theHalfLengthZ)
+{
+  fillAttribute(theHalfLengthX, halfdx());
+  fillAttribute(theHalfLengthY, halfdy());
+  fillAttribute(theHalfLengthZ, halfdz());
+
+  execute();
+}
+
 //==================================================================================================
 void PrimitivesAPI_Box::dump(ModelHighAPI_Dumper& theDumper) const
 {
@@ -101,6 +148,16 @@ void PrimitivesAPI_Box::dump(ModelHighAPI_Dumper& theDumper) const
     AttributeSelectionPtr anAttrSecondPnt =
       aBase->selection(PrimitivesPlugin_Box::POINT_SECOND_ID());
     theDumper << ", " << anAttrFirstPnt << ", " << anAttrSecondPnt;
+  } else if (aCreationMethod == PrimitivesPlugin_Box::CREATION_METHOD_BY_ONE_POINT_AND_DIMS()) {
+    AttributeDoublePtr anAttrOx = aBase->real(PrimitivesPlugin_Box::OX_ID());
+    AttributeDoublePtr anAttrOy = aBase->real(PrimitivesPlugin_Box::OY_ID());
+    AttributeDoublePtr anAttrOz = aBase->real(PrimitivesPlugin_Box::OZ_ID());
+    AttributeDoublePtr anAttrHalfLengthX = aBase->real(PrimitivesPlugin_Box::HALF_DX_ID());
+    AttributeDoublePtr anAttrHalfLengthY = aBase->real(PrimitivesPlugin_Box::HALF_DY_ID());
+    AttributeDoublePtr anAttrHalfLengthZ = aBase->real(PrimitivesPlugin_Box::HALF_DZ_ID());
+    theDumper << ", " << anAttrOx << ", " << anAttrOy << ", " << anAttrOz;
+    theDumper << ", " << anAttrHalfLengthX << ", " << anAttrHalfLengthY;
+    theDumper << ", " << anAttrHalfLengthZ;
   }
 
   theDumper << ")" << std::endl;
@@ -123,4 +180,18 @@ BoxPtr addBox(const std::shared_ptr<ModelAPI_Document>& thePart,
 {
   std::shared_ptr<ModelAPI_Feature> aFeature = thePart->addFeature(PrimitivesAPI_Box::ID());
   return BoxPtr(new PrimitivesAPI_Box(aFeature, theFirstPoint, theSecondPoint));
-}
\ No newline at end of file
+}
+
+//==================================================================================================
+BoxPtr addBox(const std::shared_ptr<ModelAPI_Document>& thePart,
+              const ModelHighAPI_Double& theOx,
+              const ModelHighAPI_Double& theOy,
+              const ModelHighAPI_Double& theOz,
+              const ModelHighAPI_Double& theHalfLengthX,
+              const ModelHighAPI_Double& theHalfLengthY,
+              const ModelHighAPI_Double& theHalfLengthZ)
+{
+  std::shared_ptr<ModelAPI_Feature> aFeature = thePart->addFeature(PrimitivesAPI_Box::ID());
+  return BoxPtr(new PrimitivesAPI_Box(aFeature, theOx, theOy, theOz, theHalfLengthX,
+                                      theHalfLengthY, theHalfLengthZ));
+}
diff --git a/src/PrimitivesAPI/PrimitivesAPI_Box.h b/src/PrimitivesAPI/PrimitivesAPI_Box.h
index 2fda32494..33b412bea 100644
--- a/src/PrimitivesAPI/PrimitivesAPI_Box.h
+++ b/src/PrimitivesAPI/PrimitivesAPI_Box.h
@@ -53,11 +53,21 @@ public:
                              const ModelHighAPI_Selection& theFirstPoint,
                              const ModelHighAPI_Selection& theSecondPoint);
 
+  /// Constructor with values.
+  PRIMITIVESAPI_EXPORT
+  explicit PrimitivesAPI_Box(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+                             const ModelHighAPI_Double& theOx,
+                             const ModelHighAPI_Double& theOy,
+                             const ModelHighAPI_Double& theOz,
+                             const ModelHighAPI_Double& theHalfX,
+                             const ModelHighAPI_Double& theHalfY,
+                             const ModelHighAPI_Double& theHalfZ);
+
   /// Destructor.
   PRIMITIVESAPI_EXPORT
   virtual ~PrimitivesAPI_Box();
 
-  INTERFACE_6(PrimitivesPlugin_Box::ID(),
+  INTERFACE_12(PrimitivesPlugin_Box::ID(),
              creationMethod, PrimitivesPlugin_Box::CREATION_METHOD(),
              ModelAPI_AttributeString, /** Creation method */,
              dx, PrimitivesPlugin_Box::DX_ID(),
@@ -69,7 +79,19 @@ public:
              firstPoint, PrimitivesPlugin_Box::POINT_FIRST_ID(),
              ModelAPI_AttributeSelection, /** First point */,
              secondPoint, PrimitivesPlugin_Box::POINT_SECOND_ID(),
-             ModelAPI_AttributeSelection, /** Second point */)
+             ModelAPI_AttributeSelection, /** Second point */,
+             ox, PrimitivesPlugin_Box::OX_ID(),
+             ModelAPI_AttributeDouble, /** X coordinate for origin*/,
+             oy, PrimitivesPlugin_Box::OY_ID(),
+             ModelAPI_AttributeDouble, /** Y coordinate for origin*/,
+             oz, PrimitivesPlugin_Box::OZ_ID(),
+             ModelAPI_AttributeDouble, /** Z coordinate for origin*/,
+             halfdx, PrimitivesPlugin_Box::HALF_DX_ID(),
+             ModelAPI_AttributeDouble, /** Half length in X*/,
+             halfdy, PrimitivesPlugin_Box::HALF_DY_ID(),
+             ModelAPI_AttributeDouble, /** Half length in Y*/,
+             halfdz, PrimitivesPlugin_Box::HALF_DZ_ID(),
+             ModelAPI_AttributeDouble, /** Half length in Z*/)
 
   /// Set dimensions
   PRIMITIVESAPI_EXPORT
@@ -82,6 +104,18 @@ public:
   void setPoints(const ModelHighAPI_Selection& theFirstPoint,
                  const ModelHighAPI_Selection& theSecondPoint);
 
+  /// Set origin point
+  PRIMITIVESAPI_EXPORT
+  void setOrigin(const ModelHighAPI_Double& theOx,
+                 const ModelHighAPI_Double& theOy,
+                 const ModelHighAPI_Double& theOz);
+
+  /// Set half lengths
+  PRIMITIVESAPI_EXPORT
+  void setHalfLengths(const ModelHighAPI_Double& theHalfLengthX,
+                      const ModelHighAPI_Double& theHalfLengthY,
+                      const ModelHighAPI_Double& theHalfLengthZ);
+
   /// Dump wrapped feature
   PRIMITIVESAPI_EXPORT
   virtual void dump(ModelHighAPI_Dumper& theDumper) const;
@@ -105,4 +139,15 @@ BoxPtr addBox(const std::shared_ptr<ModelAPI_Document>& thePart,
               const ModelHighAPI_Selection& theFirstPoint,
               const ModelHighAPI_Selection& theSecondPoint);
 
-#endif // PRIMITIVESAPI_BOX_H_
\ No newline at end of file
+/// \ingroup CPPHighAPI
+/// \brief Create primitive Box feature.
+PRIMITIVESAPI_EXPORT
+BoxPtr addBox(const std::shared_ptr<ModelAPI_Document>& thePart,
+              const ModelHighAPI_Double& theOx,
+              const ModelHighAPI_Double& theOy,
+              const ModelHighAPI_Double& theOz,
+              const ModelHighAPI_Double& theHalfLengthX,
+              const ModelHighAPI_Double& theHalfLengthY,
+              const ModelHighAPI_Double& theHalfLengthZ);
+
+#endif // PRIMITIVESAPI_BOX_H_
diff --git a/src/PrimitivesPlugin/PrimitivesPlugin_Box.cpp b/src/PrimitivesPlugin/PrimitivesPlugin_Box.cpp
index 30caf171d..c9606b717 100644
--- a/src/PrimitivesPlugin/PrimitivesPlugin_Box.cpp
+++ b/src/PrimitivesPlugin/PrimitivesPlugin_Box.cpp
@@ -40,14 +40,24 @@ void PrimitivesPlugin_Box::initAttributes()
 {
   data()->addAttribute(PrimitivesPlugin_Box::CREATION_METHOD(), ModelAPI_AttributeString::typeId());
 
+  // Data for the first mode
   data()->addAttribute(PrimitivesPlugin_Box::DX_ID(), ModelAPI_AttributeDouble::typeId());
   data()->addAttribute(PrimitivesPlugin_Box::DY_ID(), ModelAPI_AttributeDouble::typeId());
   data()->addAttribute(PrimitivesPlugin_Box::DZ_ID(), ModelAPI_AttributeDouble::typeId());
 
+  // Data for the second mode
   data()->addAttribute(PrimitivesPlugin_Box::POINT_FIRST_ID(),
                        ModelAPI_AttributeSelection::typeId());
   data()->addAttribute(PrimitivesPlugin_Box::POINT_SECOND_ID(),
                        ModelAPI_AttributeSelection::typeId());
+
+  // Data for the third mode
+  data()->addAttribute(PrimitivesPlugin_Box::OX_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(PrimitivesPlugin_Box::OY_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(PrimitivesPlugin_Box::OZ_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(PrimitivesPlugin_Box::HALF_DX_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(PrimitivesPlugin_Box::HALF_DY_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(PrimitivesPlugin_Box::HALF_DZ_ID(), ModelAPI_AttributeDouble::typeId());
 }
 
 //=================================================================================================
@@ -61,6 +71,9 @@ void PrimitivesPlugin_Box::execute()
 
   if (aMethodType == CREATION_METHOD_BY_TWO_POINTS())
     createBoxByTwoPoints();
+  
+  if (aMethodType == CREATION_METHOD_BY_ONE_POINT_AND_DIMS())
+    createBoxByOnePointAndDims();
 }
 
 //=================================================================================================
@@ -148,6 +161,50 @@ void PrimitivesPlugin_Box::createBoxByTwoPoints()
   setResult(aResultBox, aResultIndex);
 }
 
+//=================================================================================================
+void PrimitivesPlugin_Box::createBoxByOnePointAndDims()
+{
+  // Getting dx, dy and dz
+  double aDx = real(PrimitivesPlugin_Box::HALF_DX_ID())->value();
+  double aDy = real(PrimitivesPlugin_Box::HALF_DY_ID())->value();
+  double aDz = real(PrimitivesPlugin_Box::HALF_DZ_ID())->value();
+  
+  // Getting point coordinates
+  double x = real(PrimitivesPlugin_Box::OX_ID())->value();
+  double y = real(PrimitivesPlugin_Box::OY_ID())->value();
+  double z = real(PrimitivesPlugin_Box::OZ_ID())->value();
+
+  std::shared_ptr<GeomAlgoAPI_Box> aBoxAlgo;
+  aBoxAlgo = std::shared_ptr<GeomAlgoAPI_Box>(new GeomAlgoAPI_Box(x,y,z,aDx,aDy,aDz));
+  
+  // These checks should be made to the GUI for the feature but
+  // the corresponding validator does not exist yet.
+  if (!aBoxAlgo->check()) {
+    setError(aBoxAlgo->getError());
+    return;
+  }
+
+  // Build the box
+  aBoxAlgo->build();
+
+  // Check if the creation of the box
+  if(!aBoxAlgo->isDone()) {
+    // The error is not displayed in a popup window. It must be in the message console.
+    setError(aBoxAlgo->getError());
+    return;
+  }
+  if(!aBoxAlgo->checkValid("Box builder with one point and dimensions")) {
+    // The error is not displayed in a popup window. It must be in the message console.
+    setError(aBoxAlgo->getError());
+    return;
+  }
+
+  int aResultIndex = 0;
+  ResultBodyPtr aResultBox = document()->createBody(data(), aResultIndex);
+  loadNamingDS(aBoxAlgo, aResultBox);
+  setResult(aResultBox, aResultIndex);
+}
+
 //=================================================================================================
 void PrimitivesPlugin_Box::loadNamingDS(std::shared_ptr<GeomAlgoAPI_Box> theBoxAlgo,
                                         std::shared_ptr<ModelAPI_ResultBody> theResultBox)
diff --git a/src/PrimitivesPlugin/PrimitivesPlugin_Box.h b/src/PrimitivesPlugin/PrimitivesPlugin_Box.h
index 252cf52f3..0f3bc7f0f 100644
--- a/src/PrimitivesPlugin/PrimitivesPlugin_Box.h
+++ b/src/PrimitivesPlugin/PrimitivesPlugin_Box.h
@@ -32,7 +32,8 @@ class ModelAPI_ResultBody;
  * \brief Feature for creation of a box primitive using various methods.
  *
  * Box creates a cuboid - Parallelepiped with 6 rectangular faces. It can be built via two
- * methods : using two points that define a diagonal, or using 3 lengths that define the 
+ * methods : using two points that define a diagonal, a point that define a center and 3 lengths
+ * that define the half-lengths on X, Y and Z-axes, or using 3 lengths that define the 
  * rectangular dimensions.
  */
 class PrimitivesPlugin_Box : public ModelAPI_Feature
@@ -66,6 +67,13 @@ class PrimitivesPlugin_Box : public ModelAPI_Feature
     return MY_CREATION_METHOD_ID;
   }
 
+  /// Attribute name for creation method
+  inline static const std::string& CREATION_METHOD_BY_ONE_POINT_AND_DIMS()
+  {
+    static const std::string MY_CREATION_METHOD_ID("BoxByOnePointAndDims");
+    return MY_CREATION_METHOD_ID;
+  }
+
   /// Attribute name of first point
   inline static const std::string& POINT_FIRST_ID()
   {
@@ -100,6 +108,48 @@ class PrimitivesPlugin_Box : public ModelAPI_Feature
     static const std::string MY_DZ_ID("dz");
     return MY_DZ_ID;
   }
+  
+  /// Attribute name of the first coordinate of the center
+  inline static const std::string& OX_ID()
+  {
+    static const std::string MY_OX_ID("ox");
+    return MY_OX_ID;
+  }
+
+  /// Attribute name of the second coordinate of the center
+  inline static const std::string& OY_ID()
+  {
+    static const std::string MY_OY_ID("oy");
+    return MY_OY_ID;
+  }
+
+  /// Attribute name of the third coordinate of the center
+  inline static const std::string& OZ_ID()
+  {
+    static const std::string MY_OZ_ID("oz");
+    return MY_OZ_ID;
+  }
+  
+  /// Attribute name of the half-length on X axis
+  inline static const std::string& HALF_DX_ID()
+  {
+    static const std::string MY_HALF_DX_ID("half_dx");
+    return MY_HALF_DX_ID;
+  }
+
+  /// Attribute name of the half-length on Y axis
+  inline static const std::string& HALF_DY_ID()
+  {
+    static const std::string MY_HALF_DY_ID("half_dy");
+    return MY_HALF_DY_ID;
+  }
+
+  /// Attribute name of the half-length on Z axis
+  inline static const std::string& HALF_DZ_ID()
+  {
+    static const std::string MY_HALF_DZ_ID("half_dz");
+    return MY_HALF_DZ_ID;
+  }
 
   /// Returns the kind of a feature
   PRIMITIVESPLUGIN_EXPORT virtual const std::string& getKind()
@@ -128,6 +178,9 @@ class PrimitivesPlugin_Box : public ModelAPI_Feature
   ///Perform the creation of the box using three cordinates
   void createBoxByDimensions();
 
+  ///Perform the creation of the box using a center and three half-lenths 
+  void createBoxByOnePointAndDims();
+
 };
 
 
diff --git a/src/PrimitivesPlugin/box_widget.xml b/src/PrimitivesPlugin/box_widget.xml
index f968b5154..bcd5ba91a 100644
--- a/src/PrimitivesPlugin/box_widget.xml
+++ b/src/PrimitivesPlugin/box_widget.xml
@@ -40,5 +40,56 @@
         shape_types="vertex">
       </shape_selector>
     </box>
+    <box id="BoxByOnePointAndDims" title="By one point and dimensions" icon="icons/Primitives/box_pt_dxyz_32x32.png">
+      <groupbox title="Origin">
+        <doublevalue
+          id="ox"
+          label="OX"
+          step="1."
+          default="0."
+          tooltip="Enter the coordinate X for the origin">
+        </doublevalue>
+        <doublevalue
+          id="oy"
+          label="OY"
+          step="1."
+          default="0."
+          tooltip="Enter the coordinate Y for the origin">
+        </doublevalue>
+        <doublevalue
+          id="oz"
+          label="OZ"
+          step="1."
+          default="0."
+          tooltip="Enter the coordinate Z for the origin">
+        </doublevalue>
+      </groupbox>
+      <groupbox title="Half-lengths">
+        <doublevalue
+          id="half_dx"
+          label="DX"
+          step="1."
+          default="20."
+          tooltip="Enter the half length in X">
+          <validator id="GeomValidators_Positive" parameters="0"/>
+        </doublevalue>
+        <doublevalue
+          id="half_dy"
+          label="DY"
+          step="1."
+          default="20."
+          tooltip="Enter the half length in Y">
+          <validator id="GeomValidators_Positive" parameters="0"/>
+        </doublevalue>
+        <doublevalue
+          id="half_dz"
+          label="DZ"
+          step="1."
+          default="20."
+          tooltip="Enter the half length in Z">
+          <validator id="GeomValidators_Positive" parameters="0"/>
+        </doublevalue>
+      </groupbox>
+    </box>
   </toolbox>
 </source>
diff --git a/src/PrimitivesPlugin/doc/TUI_boxByPtDims.rst b/src/PrimitivesPlugin/doc/TUI_boxByPtDims.rst
new file mode 100644
index 000000000..2b5aa3142
--- /dev/null
+++ b/src/PrimitivesPlugin/doc/TUI_boxByPtDims.rst
@@ -0,0 +1,12 @@
+
+  .. _tui_create_boxptdim:
+
+Create Box coordinates of a point and dimensions
+================================================
+
+.. literalinclude:: examples/box3.py
+    :linenos:
+    :language: python
+
+:download:`Download this script <examples/box3.py>` 
+
diff --git a/src/PrimitivesPlugin/doc/boxFeature.rst b/src/PrimitivesPlugin/doc/boxFeature.rst
index 759fc9eb8..1171514af 100644
--- a/src/PrimitivesPlugin/doc/boxFeature.rst
+++ b/src/PrimitivesPlugin/doc/boxFeature.rst
@@ -12,7 +12,7 @@ To create a Box in the active part:
 #. select in the Main Menu *Primitives - > Box* item  or
 #. click |box.icon| **Box** button in the toolbar:
 
-There are 2 algorithms for creation of a Box:
+There are 3 algorithms for creation of a Box:
 
 .. figure:: images/box_dxyz_32x32.png
    :align: left
@@ -26,6 +26,12 @@ There are 2 algorithms for creation of a Box:
 
 **By two points** 
 
+.. figure:: images/box_pt_dxyz_32x32.png
+   :align: left
+   :height: 24px
+
+**By coordinates of a point and dimensions** 
+
 --------------------------------------------------------------------------------
 
 By dimensions
@@ -81,8 +87,6 @@ Input fields:
     :param object: Second vertex of diagonal.
     :return: Result object.
 
-**Arguments**:   Part + 2 selected points (opposite vertices of the box)
-
 Result
 """"""
 
@@ -94,3 +98,41 @@ A solid box based on two points and with edges parallel to the coordinate axes.
    Created boxes
 
 **See Also** a sample TUI Script of :ref:`tui_create_boxpnt` operation.
+
+By coordinates of a point and dimensions
+----------------------------------------
+
+Box is created by dimensions along X, Y, Z axis starting from the point of coordinates (x,y,z).
+
+.. figure:: images/Box_ptAndDims.png
+   :align: center
+
+Input fields:
+
+- **OX**, **OY**, **OZ** define coordinates of the center of box.
+- **DX**, **DY**, **DZ** define dimensions (hafl length) of the box along the corresponding coordinate axes.
+  
+**TUI Command**:
+
+.. py:function:: model.addBox(Part_doc, OX, OY, OZ, DX, DY, DZ)
+
+    :param part: The current part object.
+    :param real: X coordinate of the center point
+    :param real: Y coordinate of the center point
+    :param real: Z coordinate of the center point
+    :param real: Half size along X.
+    :param real: Half size along Y.
+    :param real: Half size along Z.
+    :return: Result object.
+
+Result
+""""""
+
+A solid box whose point coordinates are the center and the dimensions are half lengths on one side and the other on the axes relative to the center.
+
+.. figure:: images/Box3.png
+   :align: center
+		   
+   Created boxes
+
+**See Also** a sample TUI Script of :ref:`tui_create_boxptdim` operation.
diff --git a/src/PrimitivesPlugin/doc/examples/box3.py b/src/PrimitivesPlugin/doc/examples/box3.py
new file mode 100644
index 000000000..493143920
--- /dev/null
+++ b/src/PrimitivesPlugin/doc/examples/box3.py
@@ -0,0 +1,9 @@
+from salome.shaper import model
+
+model.begin()
+partSet = model.moduleDocument()
+Part_1 = model.addPart(partSet)
+Part_1_doc = Part_1.document()
+Box_1 = model.addBox(Part_1_doc, 0, 0, 0, 20, 20, 20)
+model.do()
+model.end()
diff --git a/src/PrimitivesPlugin/doc/images/Box3.png b/src/PrimitivesPlugin/doc/images/Box3.png
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literal 0
HcmV?d00001

-- 
2.39.2