+ /*!
+ * \brief Get vector of curvature of surface in the given point along the given direction.
+ * \param theShape - face.
+ * \param thePoint - point.
+ * \param theDirection - direction.
+ * \note Before the calculation of curvature, the point and the direction
+ * are projected to the face, if the point does not lay on it or
+ * the direction is not tangent to it initially.
+ * \return Vector of curvature. The returned vector is codirectional with
+ * the normal to the face in the given point in case of positive
+ * curvature value and opposite to the normal in case of negative
+ * curvature. The normal of the returned vector is equal to the
+ * absolute value of the curvature.
+ */
+ GEOM_Object SurfaceCurvatureByPointAndDirection (in GEOM_Object theShape,
+ in GEOM_Object thePoint,
+ in GEOM_Object theDirection);
+
+ /*!
+ * \brief Convert X,Y,Z points coordinates to UV parameters on the given surface.
+ \param theSurf the given face. It can be also a shell or a compound with one face.
+ \param theXYZlist float list of size 3*N where N is the number of points
+ for which we want their U,V coordinates.
+ If the user enters a list of size not divisible by 3
+ an exception will be thrown.
+ \param theIsNormalized if True, the returned parameters will be in range [0, 1].
+ \return list of float of size 2*N.
+ */
+ ListOfDouble XYZtoUV(in GEOM_Object theSurf,
+ in ListOfDouble theXYZlist,
+ in boolean theIsNormalized);
+
+ /*!
+ * \brief Convert UV parameters on the given surface to 3D points coordinates.
+ \param theSurf the given face. It can be also a shell or a compound with one face.
+ \param theUVlist float list of size 2*N where N is the number of points
+ for which we want their X,Y,Z coordinates.
+ If the user enters a list of non-even size
+ an exception will be thrown.
+ \param theIsNormalized if True, the input parameters are expected to be in range [0, 1].
+ \return list of float of size 3*N.
+ */
+ ListOfDouble UVtoXYZ(in GEOM_Object theSurf,
+ in ListOfDouble theUVlist,
+ in boolean theIsNormalized);
+
+ //! Methods and structure for implement CheckConformity tool
+
+ /*!
+ * \brief Structure for store shapes from failed checks.
+ * If failed check on small edges, then second shape is null
+ */
+ struct PairOfShape
+ {
+ GEOM_Object first;
+ GEOM_Object second;
+ };
+
+ /*!
+ * \brief Structure for store result of check
+ * store type of check as number and failed shapes
+ */
+ struct CheckResult
+ {
+ long type;
+ PairOfShape failedShapes;
+ };
+
+ typedef sequence<PairOfShape> SequenceOfPairOfShape;
+ typedef sequence<CheckResult> CheckResults;
+
+ /*!
+ * \brief Perform analyse of shape and return all failed checks.
+ *
+ * \param theShape Shape for check.
+ */
+ CheckResults CheckConformityShape(in GEOM_Object theShape);
+
+ /*!
+ * \brief Find all self-intersected 2D curves.
+ *
+ * \param theResults result of check - list of failed checks and sub-shapes.
+ */
+ SequenceOfPairOfShape SelfIntersected2D(in CheckResults theResults);
+
+ /*!
+ * \brief Find pairs of interfering sub-shapes, by default all pairs of interfering shapes are returned.
+ * Avaliable types:
+ * - vertices touched by tolerance;
+ * - vertex touching an edge in the inner point;
+ * - vertex lying on the inner point of a face;
+ * - edges intersecting by inner points;
+ * - edge touching/intersecting face in the inner point;
+ * - faces intersection by inner point
+ *
+ * \param theResults result of check - list of failed checks and sub-shapes.
+ * \param theShapeType1 Type of shape.
+ * \param theShapeType2 Type of shape.
+ */
+ SequenceOfPairOfShape InterferingSubshapes(in CheckResults theResults,
+ in long theShapeType1,
+ in long theShapeType2);
+
+ /*!
+ * \brief Find edges, which are fully covered by tolerances of vertices.
+ *
+ * \param theResults result of check - list of failed checks and sub-shapes.
+ */
+ ListOfGO SmallEdges(in CheckResults theResults);
+
+ /*!
+ * \brief find remote objects (sub-shape on a shape).
+ * Avaliable types:
+ * - vertex far from edge;
+ * - vertex far from face;
+ * - edge far from face
+ *
+ * \param theResults result of check - list of failed checks and sub-shapes.
+ * \param theShapeType Type of shape.
+ * \param theSubShapeType Type of sub-shape.
+ * \param theTolerance tolerance, by default used tolerance of sub-shape.
+ */
+ SequenceOfPairOfShape DistantShapes(in CheckResults theResults,
+ in long theShapeType,
+ in long theSubShapeType,
+ in double theTolerance);
+
+ /*!
+ * \brief Compute possible tolerance for the shape, minimize tolerance of shape as well
+ * as tolerance of sub-shapes as much as possible
+ *
+ * \param theShape Shape for update.
+ */
+ double UpdateTolerance(in GEOM_Object theShape);
+
+ /*!
+ * \brief Get the calculator for the proximity value between the given shapes.
+ * \param theShape1,theShape2 Shapes to find proximity.
+ * \return The calculator object.
+ */
+ GEOM_Object ShapeProximityCalculator(in GEOM_Object theShape1, in GEOM_Object theShape2);
+
+ /*!
+ * \brief Set number sample points to compute the coarse proximity.
+ * \param theCalculator Proximity calculator.
+ * \param theShape Shape to be samples.
+ * \param theNbSamples Number of samples points.
+ */
+ void SetShapeSampling(in GEOM_Object theCalculator,
+ in GEOM_Object theShape,
+ in long theNbSamples);
+
+ /*!
+ * \brief Compute coarse value of the proximity basing on the polygonal representation of shapes.
+ * \param theCalculator Proximity calculator.
+ * \return Proximity value.
+ */
+ double GetCoarseProximity(in GEOM_Object theCalculator);
+
+ /*!
+ * \brief Compute precise value of the proximity basing on the exact shapes.
+ * \param theCalculator Proximity calculator.
+ * \return Proximity value.
+ */
+ double GetPreciseProximity(in GEOM_Object theCalculator);
+
