internal static void ExportMultiPointToWkt(int export_flags, com.epl.geometry.MultiPoint multipoint, System.Text.StringBuilder @string) { com.epl.geometry.MultiPointImpl multipoint_impl = (com.epl.geometry.MultiPointImpl)multipoint._getImpl(); int point_count = multipoint_impl.GetPointCount(); int precision = 17 - (7 & (export_flags >> 13)); bool b_export_zs = multipoint_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z) && (export_flags & com.epl.geometry.WktExportFlags.wktExportStripZs) == 0; bool b_export_ms = multipoint_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M) && (export_flags & com.epl.geometry.WktExportFlags.wktExportStripMs) == 0; com.epl.geometry.AttributeStreamOfDbl position = null; com.epl.geometry.AttributeStreamOfDbl zs = null; com.epl.geometry.AttributeStreamOfDbl ms = null; if (point_count > 0) { position = (com.epl.geometry.AttributeStreamOfDbl)(multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION)); if (b_export_zs) { if (multipoint_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.Z)) { zs = (com.epl.geometry.AttributeStreamOfDbl)(multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z)); } } if (b_export_ms) { if (multipoint_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.M)) { ms = (com.epl.geometry.AttributeStreamOfDbl)(multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M)); } } } if ((export_flags & com.epl.geometry.WktExportFlags.wktExportPoint) != 0) { if (point_count > 1) { throw new System.ArgumentException("Cannot export a Point with specified export flags: " + export_flags); } PointTaggedTextFromMultiPoint_(precision, b_export_zs, b_export_ms, zs, ms, position, @string); } else { MultiPointTaggedText_(precision, b_export_zs, b_export_ms, zs, ms, position, point_count, @string); } }
// Mirrors wkt private static void ExportMultiPointToGeoJson_(int export_flags, com.epl.geometry.MultiPoint multipoint, com.epl.geometry.JsonWriter json_writer) { com.epl.geometry.MultiPointImpl multipoint_impl = (com.epl.geometry.MultiPointImpl)multipoint._getImpl(); int point_count = multipoint_impl.GetPointCount(); int precision = 17 - (31 & (export_flags >> 13)); bool bFixedPoint = (com.epl.geometry.GeoJsonExportFlags.geoJsonExportPrecisionFixedPoint & export_flags) != 0; bool b_export_zs = multipoint_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z) && (export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportStripZs) == 0; bool b_export_ms = multipoint_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M) && (export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportStripMs) == 0; if (!b_export_zs && b_export_ms) { throw new System.ArgumentException("invalid argument"); } com.epl.geometry.AttributeStreamOfDbl position = null; com.epl.geometry.AttributeStreamOfDbl zs = null; com.epl.geometry.AttributeStreamOfDbl ms = null; if (point_count > 0) { position = (com.epl.geometry.AttributeStreamOfDbl)multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION); if (b_export_zs) { if (multipoint_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.Z)) { zs = (com.epl.geometry.AttributeStreamOfDbl)multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z); } } if (b_export_ms) { if (multipoint_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.M)) { ms = (com.epl.geometry.AttributeStreamOfDbl)multipoint_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M); } } } MultiPointTaggedText_(precision, bFixedPoint, b_export_zs, b_export_ms, zs, ms, position, point_count, json_writer); }
private static int ExportMultiPointToESRIShape(int exportFlags, com.epl.geometry.MultiPoint multipoint, System.IO.BinaryWriter shapeBuffer) { com.epl.geometry.MultiPointImpl multipointImpl = (com.epl.geometry.MultiPointImpl)multipoint._getImpl(); bool bExportZs = multipointImpl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z) && (exportFlags & com.epl.geometry.ShapeExportFlags.ShapeExportStripZs) == 0; bool bExportMs = multipointImpl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M) && (exportFlags & com.epl.geometry.ShapeExportFlags.ShapeExportStripMs) == 0; bool bExportIDs = multipointImpl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.ID) && (exportFlags & com.epl.geometry.ShapeExportFlags.ShapeExportStripIDs) == 0; bool bArcViewNaNs = (exportFlags & com.epl.geometry.ShapeExportFlags.ShapeExportTrueNaNs) == 0; int pointCount = multipointImpl.GetPointCount(); int size = (4) + (4 * 8) + (4) + (pointCount * 2 * 8); /* type */ /* envelope */ /* point count */ /* xy coordinates */ if (bExportZs) { size += (2 * 8) + (pointCount * 8); } /* min max */ /* zs */ if (bExportMs) { size += (2 * 8) + (pointCount * 8); } /* min max */ /* ms */ if (bExportIDs) { size += pointCount * 4; } /* ids */ if (size >= com.epl.geometry.NumberUtils.IntMax()) { throw new com.epl.geometry.GeometryException("invalid call"); } if (shapeBuffer == null) { return(size); } else { if (((System.IO.MemoryStream)shapeBuffer.BaseStream).Capacity < size) { throw new com.epl.geometry.GeometryException("buffer is too small"); } } int type; // Determine the shape type if (!bExportZs && !bExportMs) { if (bExportIDs) { type = com.epl.geometry.ShapeType.ShapeGeneralMultiPoint | com.epl.geometry.ShapeModifiers.ShapeHasIDs; } else { type = com.epl.geometry.ShapeType.ShapeMultiPoint; } } else { if (bExportZs && !bExportMs) { if (bExportIDs) { type = com.epl.geometry.ShapeType.ShapeGeneralMultiPoint | com.epl.geometry.ShapeModifiers.ShapeHasZs | com.epl.geometry.ShapeModifiers.ShapeHasIDs; } else { type = com.epl.geometry.ShapeType.ShapeMultiPointZ; } } else { if (bExportMs && !bExportZs) { if (bExportIDs) { type = com.epl.geometry.ShapeType.ShapeGeneralMultiPoint | com.epl.geometry.ShapeModifiers.ShapeHasMs | com.epl.geometry.ShapeModifiers.ShapeHasIDs; } else { type = com.epl.geometry.ShapeType.ShapeMultiPointM; } } else { if (bExportIDs) { type = com.epl.geometry.ShapeType.ShapeGeneralMultiPoint | com.epl.geometry.ShapeModifiers.ShapeHasZs | com.epl.geometry.ShapeModifiers.ShapeHasMs | com.epl.geometry.ShapeModifiers.ShapeHasIDs; } else { type = com.epl.geometry.ShapeType.ShapeMultiPointZM; } } } } // write type int offset = 0; shapeBuffer.Write(type); offset += 4; // write Envelope com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D(); multipointImpl.QueryEnvelope2D(env); // calls _VerifyAllStreams shapeBuffer.Write(env.xmin); offset += 8; shapeBuffer.Write(env.ymin); offset += 8; shapeBuffer.Write(env.xmax); offset += 8; shapeBuffer.Write(env.ymax); offset += 8; // write point count shapeBuffer.Write(pointCount); offset += 4; if (pointCount > 0) { // write xy coordinates com.epl.geometry.AttributeStreamBase positionStream = multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION); com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)positionStream; for (int i = 0; i < pointCount; i++) { double x = position.Read(2 * i); double y = position.Read(2 * i + 1); shapeBuffer.Write(x); offset += 8; shapeBuffer.Write(y); offset += 8; } } // write Zs if (bExportZs) { com.epl.geometry.Envelope1D zInterval = multipointImpl.QueryInterval(com.epl.geometry.VertexDescription.Semantics.Z, 0); shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(zInterval.vmin) : zInterval.vmin); offset += 8; shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(zInterval.vmax) : zInterval.vmax); offset += 8; if (pointCount > 0) { if (multipointImpl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.Z)) { com.epl.geometry.AttributeStreamOfDbl zs = (com.epl.geometry.AttributeStreamOfDbl)multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z); for (int i = 0; i < pointCount; i++) { double z = zs.Read(i); shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(z) : z); offset += 8; } } else { double z = com.epl.geometry.VertexDescription.GetDefaultValue(com.epl.geometry.VertexDescription.Semantics.Z); if (bArcViewNaNs) { z = com.epl.geometry.Interop.TranslateToAVNaN(z); } // Can we write a function that writes all these values at // once instead of doing a for loop? for (int i = 0; i < pointCount; i++) { shapeBuffer.Write(z); } offset += 8; } } } // write Ms if (bExportMs) { com.epl.geometry.Envelope1D mInterval = multipointImpl.QueryInterval(com.epl.geometry.VertexDescription.Semantics.M, 0); shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(mInterval.vmin) : mInterval.vmin); offset += 8; shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(mInterval.vmax) : mInterval.vmax); offset += 8; if (pointCount > 0) { if (multipointImpl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.M)) { com.epl.geometry.AttributeStreamOfDbl ms = (com.epl.geometry.AttributeStreamOfDbl)multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M); for (int i = 0; i < pointCount; i++) { double m = ms.Read(i); shapeBuffer.Write(bArcViewNaNs ? com.epl.geometry.Interop.TranslateToAVNaN(m) : m); offset += 8; } } else { double m = com.epl.geometry.VertexDescription.GetDefaultValue(com.epl.geometry.VertexDescription.Semantics.M); if (bArcViewNaNs) { m = com.epl.geometry.Interop.TranslateToAVNaN(m); } for (int i = 0; i < pointCount; i++) { shapeBuffer.Write(m); } offset += 8; } } } // write IDs if (bExportIDs) { if (pointCount > 0) { if (multipointImpl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.ID)) { com.epl.geometry.AttributeStreamOfInt32 ids = (com.epl.geometry.AttributeStreamOfInt32)multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.ID); for (int i = 0; i < pointCount; i++) { int id = ids.Read(i); shapeBuffer.Write(id); offset += 4; } } else { int id = (int)com.epl.geometry.VertexDescription.GetDefaultValue(com.epl.geometry.VertexDescription.Semantics.ID); for (int i = 0; i < pointCount; i++) { shapeBuffer.Write(id); } offset += 4; } } } return(offset); }
internal static com.epl.geometry.Geometry MultiPointMinusPoint_(com.epl.geometry.MultiPoint multi_point, com.epl.geometry.Point point, double tolerance, com.epl.geometry.ProgressTracker progress_tracker) { com.epl.geometry.MultiPointImpl multipointImpl = (com.epl.geometry.MultiPointImpl)(multi_point._getImpl()); com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)(multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION)); int point_count = multi_point.GetPointCount(); com.epl.geometry.Point2D point2D = point.GetXY(); com.epl.geometry.Point2D pt = new com.epl.geometry.Point2D(); bool b_found_covered = false; bool[] covered = new bool[point_count]; for (int i = 0; i < point_count; i++) { covered[i] = false; } double tolerance_cluster = tolerance * System.Math.Sqrt(2.0) * 1.00001; double tolerance_cluster_sq = tolerance_cluster * tolerance_cluster; for (int i_1 = 0; i_1 < point_count; i_1++) { position.Read(2 * i_1, pt); double sqr_dist = com.epl.geometry.Point2D.SqrDistance(pt, point2D); if (sqr_dist <= tolerance_cluster_sq) { b_found_covered = true; covered[i_1] = true; } } if (!b_found_covered) { return(multi_point); } com.epl.geometry.MultiPoint new_multipoint = (com.epl.geometry.MultiPoint)(multi_point.CreateInstance()); for (int i_2 = 0; i_2 < point_count; i_2++) { if (!covered[i_2]) { new_multipoint.Add(multi_point, i_2, i_2 + 1); } } return(new_multipoint); }
internal static com.epl.geometry.Geometry PointMinusMultiPoint_(com.epl.geometry.Point point, com.epl.geometry.MultiPoint multi_point, double tolerance, com.epl.geometry.ProgressTracker progress_tracker) { com.epl.geometry.MultiPointImpl multipointImpl = (com.epl.geometry.MultiPointImpl)(multi_point._getImpl()); com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION); int point_count = multi_point.GetPointCount(); com.epl.geometry.Point2D point2D = point.GetXY(); com.epl.geometry.Point2D pt = new com.epl.geometry.Point2D(); double tolerance_cluster = tolerance * System.Math.Sqrt(2.0) * 1.00001; double tolerance_cluster_sq = tolerance_cluster * tolerance_cluster; for (int i = 0; i < point_count; i++) { position.Read(2 * i, pt); double sqr_dist = com.epl.geometry.Point2D.SqrDistance(pt, point2D); if (sqr_dist <= tolerance_cluster_sq) { return(point.CreateInstance()); } } // return an empty point. return(point); }
internal static com.epl.geometry.Geometry MultiPointSymDiffPoint_(com.epl.geometry.MultiPoint multi_point, com.epl.geometry.Point point, double tolerance, com.epl.geometry.ProgressTracker progress_tracker) { com.epl.geometry.MultiPointImpl multipointImpl = (com.epl.geometry.MultiPointImpl)(multi_point._getImpl()); com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)(multipointImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION)); int point_count = multi_point.GetPointCount(); com.epl.geometry.Point2D point2D = point.GetXY(); com.epl.geometry.MultiPoint new_multipoint = (com.epl.geometry.MultiPoint)(multi_point.CreateInstance()); double tolerance_cluster = tolerance * System.Math.Sqrt(2.0) * 1.00001; com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D(); multi_point.QueryEnvelope2D(env); env.Inflate(tolerance_cluster, tolerance_cluster); if (env.Contains(point2D)) { double tolerance_cluster_sq = tolerance_cluster * tolerance_cluster; bool b_found_covered = false; bool[] covered = new bool[point_count]; for (int i = 0; i < point_count; i++) { covered[i] = false; } for (int i_1 = 0; i_1 < point_count; i_1++) { double x = position.Read(2 * i_1); double y = position.Read(2 * i_1 + 1); double dx = x - point2D.x; double dy = y - point2D.y; if (dx * dx + dy * dy <= tolerance_cluster_sq) { b_found_covered = true; covered[i_1] = true; } } if (!b_found_covered) { new_multipoint.Add(multi_point, 0, point_count); new_multipoint.Add(point); } else { for (int i_2 = 0; i_2 < point_count; i_2++) { if (!covered[i_2]) { new_multipoint.Add(multi_point, i_2, i_2 + 1); } } } } else { new_multipoint.Add(multi_point, 0, point_count); new_multipoint.Add(point); } return(new_multipoint); }
private static void ExportMultiPointToJson(com.epl.geometry.MultiPoint mpt, com.epl.geometry.SpatialReference spatialReference, com.epl.geometry.JsonWriter jsonWriter, System.Collections.Generic.IDictionary <string, object> exportProperties) { bool bExportZs = mpt.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z); bool bExportMs = mpt.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M); bool bPositionAsF = false; int decimals = 17; if (exportProperties != null) { object numberOfDecimalsXY = exportProperties["numberOfDecimalsXY"]; if (numberOfDecimalsXY != null && numberOfDecimalsXY is java.lang.Number) { bPositionAsF = true; decimals = ((java.lang.Number)numberOfDecimalsXY); } } jsonWriter.StartObject(); if (bExportZs) { jsonWriter.AddPairBoolean("hasZ", true); } if (bExportMs) { jsonWriter.AddPairBoolean("hasM", true); } jsonWriter.AddPairArray("points"); if (!mpt.IsEmpty()) { com.epl.geometry.MultiPointImpl mpImpl = (com.epl.geometry.MultiPointImpl)mpt._getImpl(); // get impl // for // faster // access com.epl.geometry.AttributeStreamOfDbl zs = null; com.epl.geometry.AttributeStreamOfDbl ms = null; if (bExportZs) { zs = (com.epl.geometry.AttributeStreamOfDbl)mpImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z); } if (bExportMs) { ms = (com.epl.geometry.AttributeStreamOfDbl)mpImpl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M); } com.epl.geometry.Point2D pt = new com.epl.geometry.Point2D(); int n = mpt.GetPointCount(); for (int i = 0; i < n; i++) { mpt.GetXY(i, pt); jsonWriter.AddValueArray(); if (bPositionAsF) { jsonWriter.AddValueDouble(pt.x, decimals, true); jsonWriter.AddValueDouble(pt.y, decimals, true); } else { jsonWriter.AddValueDouble(pt.x); jsonWriter.AddValueDouble(pt.y); } if (bExportZs) { double z = zs.Get(i); jsonWriter.AddValueDouble(z); } if (bExportMs) { double m = ms.Get(i); jsonWriter.AddValueDouble(m); } jsonWriter.EndArray(); } } jsonWriter.EndArray(); if (spatialReference != null) { WriteSR(spatialReference, jsonWriter); } jsonWriter.EndObject(); }