com.esri.core.geometry.Point.isEmpty()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中com.esri.core.geometry.Point.isEmpty()方法的一些代码示例，展示了Point.isEmpty()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Point.isEmpty()方法的具体详情如下：
包路径：com.esri.core.geometry.Point
类名称：Point
方法名：isEmpty

Point.isEmpty介绍

暂无

代码示例

代码示例来源：origin: prestodb/presto

  1. private static void writePoint(DynamicSliceOutput output, OGCGeometry geometry)
  2. {
  3.   Geometry esriGeometry = geometry.getEsriGeometry();
  4.   verify(esriGeometry instanceof Point, "geometry is expected to be an instance of Point");
  5.   Point point = (Point) esriGeometry;
  6.   verify(!point.hasAttribute(VertexDescription.Semantics.Z) &&
  7.           !point.hasAttribute(VertexDescription.Semantics.M) &&
  8.           !point.hasAttribute(VertexDescription.Semantics.ID),
  9.       "Only 2D points with no ID nor M attribute are supported");
  10.   output.appendByte(GeometrySerializationType.POINT.code());
  11.   if (!point.isEmpty()) {
  12.     output.appendDouble(point.getX());
  13.     output.appendDouble(point.getY());
  14.   }
  15.   else {
  16.     output.appendDouble(NaN);
  17.     output.appendDouble(NaN);
  18.   }
  19. }

代码示例来源：origin: Esri/geometry-api-java

  1. static Point difference(Point point, Point point2, double tolerance) {
  2.   if (point.isEmpty())
  3.     return (Point) point.createInstance();
  4.   if (point2.isEmpty())
  5.     return point;
  6.   if (CrackAndCluster.non_empty_points_need_to_cluster(tolerance, point,
  7.       point2)) {
  8.     return (Point) point.createInstance();
  9.   }
  10.   return point;
  11. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. static Point difference(Point point, Point point2, double tolerance) {
  2.   if (point.isEmpty())
  3.     return (Point) point.createInstance();
  4.   if (point2.isEmpty())
  5.     return point;
  6.   if (CrackAndCluster.non_empty_points_need_to_cluster(tolerance, point,
  7.       point2)) {
  8.     return (Point) point.createInstance();
  9.   }
  10.   return point;
  11. }

代码示例来源：origin: Esri/geometry-api-java

  1. public static int isPointInPolygon(Polygon inputPolygon, Point inputPoint,
  2.     double tolerance) {
  3.   if (inputPoint.isEmpty())
  4.     return 0;
  5.   return isPointInPolygon(inputPolygon, inputPoint.getXY(), tolerance);
  6. }

代码示例来源：origin: Esri/geometry-api-java

  1. static Point intersection(Point point, Point point2, double tolerance) {
  2.   if (point.isEmpty() || point2.isEmpty())
  3.     return (Point) point.createInstance();
  4.   if (CrackAndCluster.non_empty_points_need_to_cluster(tolerance, point,
  5.       point2)) {
  6.     return CrackAndCluster.cluster_non_empty_points(point, point2, 1,
  7.         1, 1, 1);
  8.   }
  9.   return (Point) point.createInstance();
  10. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. static Point intersection(Point point, Point point2, double tolerance) {
  2.   if (point.isEmpty() || point2.isEmpty())
  3.     return (Point) point.createInstance();
  4.   if (CrackAndCluster.non_empty_points_need_to_cluster(tolerance, point,
  5.       point2)) {
  6.     return CrackAndCluster.cluster_non_empty_points(point, point2, 1,
  7.         1, 1, 1);
  8.   }
  9.   return (Point) point.createInstance();
  10. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. public static int isPointInPolygon(Polygon inputPolygon, Point inputPoint,
  2.     double tolerance) {
  3.   if (inputPoint.isEmpty())
  4.     return 0;
  5.   return isPointInPolygon(inputPolygon, inputPoint.getXY(), tolerance);
  6. }

代码示例来源：origin: Esri/geometry-api-java

  1. /**
  2.  * Checks if this envelope contains (covers) the specified point.
  3.  * 
  4.  * @param p
  5.  *            The Point to be tested for coverage.
  6.  * @return TRUE if this envelope contains (covers) the specified point.
  7.  */
  8. public boolean contains(Point p) {
  9.   if (p.isEmpty())
  10.     return false;
  11.   return m_envelope.contains(p.getX(), p.getY());
  12. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. public void startPath(Point point) {
  2.   if (point.isEmpty())
  3.     throw new IllegalArgumentException();// throw new
  4.                         // IllegalArgumentException();
  5.   mergeVertexDescription(point.getDescription());
  6.   _initPathStartPoint();
  7.   point.copyTo(m_moveToPoint);
  8.   // TODO check MultiPathImpl.cpp comment
  9.   // "//the description will be merged later"
  10.   // assignVertexDescription(m_moveToPoint.getDescription());
  11.   m_bPathStarted = true;
  12. }

代码示例来源：origin: Esri/geometry-api-java

  1. public void startPath(Point point) {
  2.   if (point.isEmpty())
  3.     throw new IllegalArgumentException();// throw new
  4.                         // IllegalArgumentException();
  5.   mergeVertexDescription(point.getDescription());
  6.   _initPathStartPoint();
  7.   point.copyTo(m_moveToPoint);
  8.   // TODO check MultiPathImpl.cpp comment
  9.   // "//the description will be merged later"
  10.   // assignVertexDescription(m_moveToPoint.getDescription());
  11.   m_bPathStarted = true;
  12. }

代码示例来源：origin: Esri/geometry-api-java

  1. @Override
  2.   public void replaceNaNs(int semantics, double value) {
  3.     addAttribute(semantics);
  4.     if (isEmpty())
  5.       return;
  7.     int ncomps = VertexDescription.getComponentCount(semantics);
  8.     for (int i = 0; i < ncomps; i++) {
  9.       double v = getAttributeAsDbl(semantics, i);
  10.       if (Double.isNaN(v))
  11.         setAttribute(semantics, i, value);
  12.     }
  13.   }
  14. }

代码示例来源：origin: Esri/geometry-api-java

  1. /**
  2.  * Constructs an envelope that covers the given point. The coordinates of
  3.  * the point are used to set the extent of the envelope.
  4.  * 
  5.  * @param point The point that the envelope covers.
  6.  */
  7. public Envelope(Point point) {
  8.   m_description = VertexDescriptionDesignerImpl.getDefaultDescriptor2D();
  9.   m_envelope.setEmpty();
  10.   if (point.isEmpty())
  11.     return;
  12.   _setFromPoint(point);
  13. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. /**
  2.  * Checks if this envelope contains (covers) the specified point.
  3.  * 
  4.  * @param p
  5.  *            The Point to be tested for coverage.
  6.  * @return TRUE if this envelope contains (covers) the specified point.
  7.  */
  8. public boolean contains(Point p) {
  9.   if (p.isEmpty())
  10.     return false;
  11.   return m_envelope.contains(p.getX(), p.getY());
  12. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. /**
  2.  * Constructs an envelope that covers the given point. The coordinates of
  3.  * the point are used to set the extent of the envelope.
  4.  * 
  5.  * @param point The point that the envelope covers.
  6.  */
  7. public Envelope(Point point) {
  8.   m_description = VertexDescriptionDesignerImpl.getDefaultDescriptor2D();
  9.   m_envelope.setEmpty();
  10.   if (point.isEmpty())
  11.     return;
  12.   _setFromPoint(point);
  13. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. @Override
  2.   public void replaceNaNs(int semantics, double value) {
  3.     addAttribute(semantics);
  4.     if (isEmpty())
  5.       return;
  7.     int ncomps = VertexDescription.getComponentCount(semantics);
  8.     for (int i = 0; i < ncomps; i++) {
  9.       double v = getAttributeAsDbl(semantics, i);
  10.       if (Double.isNaN(v))
  11.         setAttribute(semantics, i, value);
  12.     }
  13.   }
  14. }

代码示例来源：origin: Esri/geometry-api-java

  1. /**
  2.  * Creates an envelope by defining its center, width, and height.
  3.  * 
  4.  * @param center
  5.  *            The center point of the envelope.
  6.  * @param width
  7.  *            The width of the envelope.
  8.  * @param height
  9.  *            The height of the envelope.
  10.  */
  11. public Envelope(Point center, double width, double height) {
  12.   m_description = VertexDescriptionDesignerImpl.getDefaultDescriptor2D();
  13.   m_envelope.setEmpty();
  14.   if (center.isEmpty())
  15.     return;
  16.   _setFromPoint(center, width, height);
  17. }

代码示例来源：origin: Esri/geometry-api-java

  1. /**
  2.  * Sets the envelope's corners to be centered around the specified point,
  3.  * using its center, width, and height.
  4.  * 
  5.  * @param c
  6.  *            The point around which to center the envelope.
  7.  * @param w
  8.  *            The width to be set for the envelope.
  9.  * @param h
  10.  *            The height to be set for this envelope.
  11.  */
  12. public void centerAt(Point c, double w, double h) {
  13.   _touch();
  14.   if (c.isEmpty()) {
  15.     setEmpty();
  16.     return;
  17.   }
  18.   _setFromPoint(c, w, h);
  19. }

代码示例来源：origin: Esri/geometry-api-java

  1. /**
  2.  * Centers the envelope around the specified point preserving the envelope's
  3.  * width and height.
  4.  * 
  5.  * @param c
  6.  *            The new center point.
  7.  */
  8. public void centerAt(Point c) {
  9.   _touch();
  10.   if (c.isEmpty()) {
  11.     setEmpty();
  12.     return;
  13.   }
  14.   m_envelope.centerAt(c.getX(), c.getY());
  15. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. /**
  2.  * Centers the envelope around the specified point preserving the envelope's
  3.  * width and height.
  4.  * 
  5.  * @param c
  6.  *            The new center point.
  7.  */
  8. public void centerAt(Point c) {
  9.   _touch();
  10.   if (c.isEmpty()) {
  11.     setEmpty();
  12.     return;
  13.   }
  14.   m_envelope.centerAt(c.getX(), c.getY());
  15. }

代码示例来源：origin: Esri/geometry-api-java

  1. @Override
  2. public void setPointByVal(int index, Point src) {
  3.   if (index < 0 || index >= m_pointCount)
  4.     throw new GeometryException("index out of bounds");
  5.   Point point = src;
  6.   if (src.isEmpty())// can not assign an empty point to a multipoint
  7.             // vertex
  8.     throw new IllegalArgumentException();
  9.   _verifyAllStreams();// verify all allocated streams are of necessary
  10.             // size.
  11.   VertexDescription vdin = point.getDescription();
  12.   for (int attributeIndex = 0; attributeIndex < vdin.getAttributeCount(); attributeIndex++) {
  13.     int semantics = vdin._getSemanticsImpl(attributeIndex);
  14.     int ncomp = VertexDescription.getComponentCount(semantics);
  15.     for (int icomp = 0; icomp < ncomp; icomp++) {
  16.       double v = point.getAttributeAsDbl(semantics, icomp);
  17.       setAttribute(semantics, index, icomp, v);
  18.     }
  19.   }
  20. }

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