/// <summary>
/// In a partitioned model, return the tags of the partition(s) to which the
/// entity belongs.
/// </summary>
public static int[] GetPartitions(int dim, int tag)
{
unsafe
{
int *partitions_ptr;
long partitions_n = default;
Gmsh_Warp.GmshModelGetPartitions(dim, tag, &partitions_ptr, ref partitions_n, ref Gmsh._staticreff);
var partitions = UnsafeHelp.ToIntArray(partitions_ptr, partitions_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(partitions);
}
}
/// <summary>
/// Evaluate the derivative of the parametrization of the entity of dimension
/// `dim' and tag `tag' at the parametric coordinates `parametricCoord'. Only
/// valid for `dim' equal to 1 (with `parametricCoord' containing parametric
/// coordinates on the curve) or 2 (with `parametricCoord' containing pairs of
/// u, v parametric coordinates on the surface, concatenated: [p1u, p1v, p2u,
/// ...]). For `dim' equal to 1 return the x, y, z components of the derivative
/// with respect to u [d1ux, d1uy, d1uz, d2ux, ...]; for `dim' equal to 2 return
/// the x, y, z components of the derivate with respect to u and v: [d1ux, d1uy,
/// d1uz, d1vx, d1vy, d1vz, d2ux, ...].
/// </summary>
public static double[] GetDerivative(int dim, int tag, double[] parametricCoord)
{
unsafe
{
double *ptr;
long outcount = 0;
Gmsh_Warp.GmshModelGetDerivative(dim, tag, parametricCoord, parametricCoord.LongLength, &ptr, ref outcount, ref Gmsh._staticreff);
var derivatives = UnsafeHelp.ToDoubleArray(ptr, outcount);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(derivatives);
}
}
/// <summary>
/// List the names of all models.
/// </summary>
public static string[] List()
{
unsafe
{
byte **names_ptr;
long name_n = 0;
Gmsh_Warp.GmshModelList(&names_ptr, ref name_n, ref Gmsh._staticreff);
var names = UnsafeHelp.ToString(names_ptr, name_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(names);
}
}
/// <summary>
/// Get the model entities in the bounding box defined by the two points
/// (`xmin', `ymin', `zmin') and (`xmax', `ymax', `zmax'). If `dim' is >= 0,
/// return only the entities of the specified dimension (e.g. points if `dim' ==
/// 0).
/// </summary>
public static ValueTuple <int, int>[] GetEntitiesInBoundingBox(double xmin, double ymin, double zmin, double xmax, double ymax, double zmax, int dim = -1)
{
unsafe
{
int *tags_ptr;
long tags_n = 0;
Gmsh_Warp.GmshModelGetEntitiesInBoundingBox(xmin, ymin, zmin, xmax, ymax, zmax, &tags_ptr, ref tags_n, dim, ref Gmsh._staticreff);
var pairs = UnsafeHelp.ToIntArray(tags_ptr, tags_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(pairs.ToIntPair());
}
}
/// <summary>
/// Get the tags of the physical groups (if any) to which the model entity of
/// dimension `dim' and tag `tag' belongs.
/// </summary>
public static int[] GetPhysicalGroupsForEntity(int dim, int tag)
{
unsafe
{
int *physicalTagsptr;
long physicalTags_n = default;
Gmsh_Warp.GmshModelGetPhysicalGroupsForEntity(dim, tag, &physicalTagsptr, ref physicalTags_n, ref Gmsh._staticreff);
var physicalTags = UnsafeHelp.ToIntArray(physicalTagsptr, physicalTags_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(physicalTags);
}
}
/// <summary>
/// Get all the physical groups in the current model. If `dim' is >= 0, return
/// only the entities of the specified dimension (e.g. physical points if `dim'
/// == 0). The entities are returned as a vector of (dim, tag) integer pairs.
/// </summary>
public static ValueTuple <int, int>[] GetPhysicalGroups(int dim = -1)
{
unsafe
{
int *dimTags_ptr;
long dimTags_n = 0;
Gmsh_Warp.GmshModelGetPhysicalGroups(&dimTags_ptr, ref dimTags_n, dim, ref Gmsh._staticreff);
var array = UnsafeHelp.ToIntArray(dimTags_ptr, dimTags_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(array.ToIntPair());
}
}
/// <summary>
/// Add a string to a list-based post-processing view with tag `tag'. If `coord'
/// contains 3 coordinates the string is positioned in the 3D model space ("3D
/// string"); if it contains 2 coordinates it is positioned in the 2D graphics
/// viewport ("2D string"). `data' contains one or more (for multistep views)
/// strings. `style' contains key-value pairs of styling parameters,
/// concatenated. Available keys are "Font" (possible values: "Times-Roman",
/// "Times-Bold", "Times-Italic", "Times-BoldItalic", "Helvetica", "Helvetica-
/// Bold", "Helvetica-Oblique", "Helvetica-BoldOblique", "Courier", "Courier-
/// Bold", "Courier-Oblique", "Courier-BoldOblique", "Symbol", "ZapfDingbats",
/// "Screen"), "FontSize" and "Align" (possible values: "Left" or "BottomLeft",
/// "Center" or "BottomCenter", "Right" or "BottomRight", "TopLeft",
/// "TopCenter", "TopRight", "CenterLeft", "CenterCenter", "CenterRight").
/// </summary>
public static void AddListDataString(int tag, double[] coord, string[] data, string[] style = default)
{
unsafe
{
byte *dataptr = (byte *)Marshal.UnsafeAddrOfPinnedArrayElement(data, 0);
if (style == default)
{
style = new string[0];
}
byte *styleptr = (byte *)Marshal.UnsafeAddrOfPinnedArrayElement(style, 0);
Gmsh_Warp.GmshViewAddListDataString(tag, coord, coord.LongLength, &dataptr, data.LongLength, &styleptr, style.LongLength, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Copy the entities `dimTags'; the new entities are returned in
/// `outDimTags'.
/// </summary>
public static void Copy(ValueTuple <int, int>[] dimTags, out ValueTuple <int, int>[] outDimTags)
{
long outcount = 0;
var list = dimTags.ToIntArray();
unsafe
{
int *ptrss;
Gmsh_Warp.GmshModelGeoCopy(list, list.LongLength, &ptrss, ref outcount, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
var outDimTagsint = UnsafeHelp.ToIntArray(ptrss, outcount);
outDimTags = outDimTagsint.ToIntPair();
}
}
/// <summary>
/// Get the points `closestCoord' on the entity of dimension `dim' and tag `tag'
/// to the points `coord', by orthogonal projection. `coord' and `closestCoord'
/// are given as triplets of x, y, z coordinates, concatenated: [p1x, p1y, p1z,
/// p2x, ...]. `parametricCoord' returns the parametric coordinates t on the
/// curve (if `dim' = 1) or pairs of u and v coordinates concatenated on the
/// surface (if `dim' = 2), i.e. [p1t, p2t, ...] or [p1u, p1v, p2u, ...].
/// </summary>
public static void GetClosestPoint(int dim, int tag, double[] coord, out double[] closestCoord, out double[] parametricCoord)
{
unsafe
{
double *closestCoord_ptr;
long closestCoord_n = 0;
double *parametricCoord_ptr;
long parametricCoord_n = 0;
Gmsh_Warp.GmshModelGetClosestPoint(dim, tag, coord, coord.LongLength, &closestCoord_ptr, ref closestCoord_n, ¶metricCoord_ptr, ref parametricCoord_n, ref Gmsh._staticreff);
closestCoord = UnsafeHelp.ToDoubleArray(closestCoord_ptr, closestCoord_n);
parametricCoord = UnsafeHelp.ToDoubleArray(parametricCoord_ptr, parametricCoord_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Get the `min' and `max' bounds of the parametric coordinates for the entity
/// of dimension `dim' and tag `tag'.
/// </summary>
public static void GetParametrizationBounds(int dim, int tag, out double[] min, out double[] max)
{
unsafe
{
double *min_ptr;
long min_n = 0;
double *max_ptr;
long max_n = 0;
Gmsh_Warp.GmshModelGetParametrizationBounds(dim, tag, &min_ptr, ref min_n, &max_ptr, ref max_n, ref Gmsh._staticreff);
min = UnsafeHelp.ToDoubleArray(min_ptr, min_n);
max = UnsafeHelp.ToDoubleArray(max_ptr, max_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Get the boundary of the model entities `dimTags'. Return in `outDimTags' the
/// boundary of the individual entities (if `combined' is false) or the boundary
/// of the combined geometrical shape formed by all input entities (if
/// `combined' is true). Return tags multiplied by the sign of the boundary
/// entity if `oriented' is true. Apply the boundary operator recursively down
/// to dimension 0 (i.e. to points) if `recursive' is true.
/// </summary>
public static ValueTuple <int, int>[] GetBoundary(ValueTuple <int, int>[] dimTags, bool combined = true, bool oriented = true, bool recursive = false)
{
unsafe
{
int *outDimTagsptr;
long outdimTags_n = 0;
var dimarray = dimTags.ToIntArray();
Gmsh_Warp.GmshModelGetBoundary(dimarray, dimarray.LongLength, &outDimTagsptr, ref outdimTags_n, Convert.ToInt32(combined), Convert.ToInt32(oriented), Convert.ToInt32(recursive), ref Gmsh._staticreff);
var array = UnsafeHelp.ToIntArray(outDimTagsptr, outdimTags_n);
var outDimTags = array.ToIntPair();
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(outDimTags);
}
}
/// <summary>
/// Get list-based post-processing data strings (2D strings if `dim' = 2, 3D
/// strings if `dim' = 3) from the view with tag `tag'. Return the coordinates
/// in `coord', the strings in `data' and the styles in `style'.
/// </summary>
public static void GetListDataStrings(int tag, int dim, out double[] coord, out string[] data, out string[] style)
{
unsafe
{
double *coord_ptr;
long coord_n = 0;
byte ** data_ptr;
long data_n = 0;
byte ** style_ptr;
long style_n = 0;
Gmsh_Warp.GmshViewGetListDataStrings(tag, dim, &coord_ptr, ref coord_n, &data_ptr, ref data_n, &style_ptr, ref style_n, ref Gmsh._staticreff);
coord = UnsafeHelp.ToDoubleArray(coord_ptr, coord_n);
data = UnsafeHelp.ToString(data_ptr, data_n);
style = UnsafeHelp.ToString(style_ptr, style_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Add homogeneous model-based post-processing data to the view with tag `tag'.
/// The arguments have the same meaning as in `addModelData', except that `data'
/// is supposed to be homogeneous and is thus flattened in a single vector. For
/// data types that can lead to different data sizes per tag (like
/// "ElementNodeData"), the data should be padded.
/// </summary>
public static void GetListData(int tag, out string[] dataType, out int[] numElements, out double[][] data)
{
unsafe
{
byte ** dataType_ptr;
long dataType_n = 0;
int * numElements_ptr;
long numElements_n = 0;
double **data_ptr;
long * data_n_ptr;
long data_nn = 0;
Gmsh_Warp.GmshViewGetListData(tag, &dataType_ptr, ref dataType_n, &numElements_ptr, ref numElements_n, &data_ptr, &data_n_ptr, ref data_nn, ref Gmsh._staticreff);
dataType = UnsafeHelp.ToString(dataType_ptr, dataType_n);
numElements = UnsafeHelp.ToIntArray(numElements_ptr, numElements_n);
data = UnsafeHelp.ToDoubleArray(data_ptr, data_n_ptr, data_nn);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Add homogeneous model-based post-processing data to the view with tag `tag'.
/// The arguments have the same meaning as in `addModelData', except that `data'
/// is supposed to be homogeneous and is thus flattened in a single vector. For
/// data types that can lead to different data sizes per tag (like
/// "ElementNodeData"), the data should be padded.
/// </summary>
public static void GetModelData(int tag, int step, out string dataType, out long[] tags, out double[][] data, out double time, out int numComponents)
{
unsafe
{
byte * dataType_ptr;
long * tags_ptr;
long tags_n = 0;
double **data_ptr;
long * data_n_ptr;
long data_nn = 0;
time = 0; numComponents = 0;
Gmsh_Warp.GmshViewGetModelData(tag, step, &dataType_ptr, &tags_ptr, ref tags_n, &data_ptr, &data_n_ptr, ref data_nn, ref time, ref numComponents, ref Gmsh._staticreff);
dataType = UnsafeHelp.ToString(dataType_ptr);
tags = UnsafeHelp.ToLongArray(tags_ptr, tags_n);
data = UnsafeHelp.ToDoubleArray(data_ptr, data_n_ptr, data_nn);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Extrude the model entities `dimTags' by a combined translation and
/// rotation of `angle' radians, along (`dx', `dy', `dz') and around the axis
/// of revolution defined by the point (`x', `y', `z') and the direction
/// (`ax', `ay', `az'). The angle should be strictly smaller than Pi. Return
/// extruded entities in `outDimTags'. If `numElements' is not empty, also
/// extrude the mesh: the entries in `numElements' give the number of elements
/// in each layer. If `height' is not empty, it provides the (cumulative)
/// height of the different layers, normalized to 1.
/// </summary>
public static void Twist(ValueTuple <int, int>[] dimTags, double x, double y, double z, double dx, double dy, double dz, double ax, double ay, double az, double angle, out ValueTuple <int, int>[] outDimTags, int[] numElements = default, double[] heights = default, bool recombine = false)
{
var dimarray = dimTags.ToIntArray();
unsafe
{
int *ptrss;
long outcount = 0;
if (numElements == default)
{
numElements = new int[0];
}
if (heights == default)
{
heights = new double[0];
}
Gmsh_Warp.GmshModelGeoTwist(dimarray, dimarray.LongLength, x, y, z, dx, dy, dz, ax, ay, az, angle, &ptrss, ref outcount, numElements, numElements.LongLength, heights, heights.LongLength, Convert.ToInt32(recombine), ref Gmsh._staticreff);
var array = UnsafeHelp.ToIntArray(ptrss, outcount);
outDimTags = array.ToIntPair();
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
/// <summary>
/// Probe the view `tag' for its `value' at point (`x', `y', `z'). Return only
/// the value at step `step' is `step' is positive. Return only values with
/// `numComp' if `numComp' is positive. Return the gradient of the `value' if
/// `gradient' is set. Probes with a geometrical tolerance (in the reference
/// unit cube) of `tolerance' if `tolerance' is not zero. Return the result from
/// the element described by its coordinates if `xElementCoord', `yElementCoord'
/// and `zElementCoord' are provided.
/// </summary>
public static double[] Probe(int tag, double x, double y, double z, int step = -1, int numComp = -1, bool gradient = false, double tolerance = 0, double[] xElemCoord = default, double[] yElemCoord = default, double[] zElemCoord = default)
{
unsafe
{
double *value_ptr;
long value_n = 0;
if (xElemCoord == default)
{
xElemCoord = new double[0];
}
if (yElemCoord == default)
{
yElemCoord = new double[0];
}
if (zElemCoord == default)
{
zElemCoord = new double[0];
}
Gmsh_Warp.GmshViewProbe(tag, x, y, z, &value_ptr, ref value_n, step, numComp, Convert.ToInt32(gradient), tolerance, xElemCoord, xElemCoord.LongLength, yElemCoord, yElemCoord.LongLength, zElemCoord, zElemCoord.LongLength, ref Gmsh._staticreff);
var value = UnsafeHelp.ToDoubleArray(value_ptr, value_n);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
return(value);
}
}
/// <summary>
/// Set a smoothing meshing constraint on the model entity of dimension
/// `dim' and tag `tag'. `val' iterations of a Laplace smoother are applied.
/// </summary>
public static void SetSmoothing(int dim, int tag, int val)
{
Gmsh_Warp.GmshModelGeoMeshSetSmoothing(dim, tag, val, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set a transfinite meshing constraint on the curve `tag', with `numNodes'
/// nodes distributed according to `meshType' and `coef'. Currently
/// supported types are "Progression" (geometrical progression with power
/// `coef') and "Bump" (refinement toward both extremities of the curve).
/// </summary>
public static void SetTransfiniteCurve(int tag, int nPoints, string meshType = "Progression", double coef = 1)
{
Gmsh_Warp.GmshModelGeoMeshSetTransfiniteCurve(tag, nPoints, meshType, coef, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set a recombination meshing constraint on the model entity of dimension
/// `dim' and tag `tag'. Currently only entities of dimension 2 (to
/// recombine triangles into quadrangles) are supported.
/// </summary>
public static void SetRecombine(int dim, int tag, double angle = 45)
{
Gmsh_Warp.GmshModelGeoMeshSetRecombine(dim, tag, angle, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set the field `tag' as a boundary layer size field.
/// </summary>
public static void SetAsBoundaryLayer(int tag)
{
Gmsh_Warp.GmshModelMeshFieldSetAsBoundaryLayer(tag, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set a reverse meshing constraint on the model entity of dimension `dim'
/// and tag `tag'. If `val' is true, the mesh orientation will be reversed
/// with respect to the natural mesh orientation (i.e. the orientation
/// consistent with the orientation of the geometry). If `val' is false, the
/// mesh is left as-is.
/// </summary>
public static void SetReverse(int dim, int tag, bool val = true)
{
Gmsh_Warp.GmshModelGeoMeshSetReverse(dim, tag, Convert.ToInt32(val), ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set the numerical list option `option' to value `value' for field `tag'.
/// </summary>
public static void SetNumbers(int tag, string option, double[] value)
{
Gmsh_Warp.GmshModelMeshFieldSetNumbers(tag, option, value, value.LongLength, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set the string option `option' to value `value' for field `tag'.
/// </summary>
public static void SetString(int tag, string option, string value)
{
Gmsh_Warp.GmshModelMeshFieldSetString(tag, option, value, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Remove the field with tag `tag'.
/// </summary>
public static void Remove(int tag)
{
Gmsh_Warp.GmshModelMeshFieldRemove(tag, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Run the event loop of the graphical user interface, i.e. repeatedly call
/// `wait()'. First automatically create the user interface if it has not yet
/// been initialized. Can only be called in the main thread.
/// </summary>
public static void Run()
{
Gmsh_Warp.GmshFltkRun(ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Set the maximum tag `maxTag' for entities of dimension `dim' in the built-
/// in CAD representation.
/// </summary>
public static void SetMaxTag(int dim, int maxTag)
{
Gmsh_Warp.GmshModelGeoSetMaxTag(dim, maxTag, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Remove all duplicate entities (different entities at the same geometrical
/// location).
/// </summary>
public static void RemoveAllDuplicates()
{
Gmsh_Warp.GmshModelGeoRemoveAllDuplicates(ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Wait at most `time' seconds for user interface events and return. If `time'
/// < 0, wait indefinitely. First automatically create the user interface if it
/// has not yet been initialized. Can only be called in the main thread.
/// </summary>
public static void Wait(double time = -1)
{
Gmsh_Warp.GmshFltkWait(time, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Synchronize the built-in CAD representation with the current Gmsh model.
/// This can be called at any time, but since it involves a non trivial amount
/// of processing, the number of synchronization points should normally be
/// minimized.
/// </summary>
public static void Synchronize()
{
Gmsh_Warp.GmshModelGeoSynchronize(ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
/// <summary>
/// Awake the main user interface thread and process pending events, and
/// optionally perform an action (currently the only `action' allowed is
/// "update").
/// </summary>
public static void Awake(string action = "")
{
Gmsh_Warp.GmshFltkAwake(action, ref Gmsh._staticreff);
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}