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com.supermap.ar.areffect.utils

Class ScreenPointTool

  • java.lang.Object
    • com.supermap.ar.areffect.utils.ScreenPointTool

  • public class ScreenPointTool
extends java.lang.Object
    Screen coordinate conversion tool AR coordinates => screen coordinates

    • Constructor Summary

      Constructors 
      Constructor and Description
      ScreenPointTool() 

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method and Description
      static <any> convertToPixel(EffectView effectView, java.util.List<Point3D> point3DList)
      Convert the AR scene coordinate set to screen pixel coordinates
      static <any> convertToPixel(EffectView effectView, java.util.List<Point3D> point3DList, boolean isModify)
      Convert the AR scene coordinate set to screen pixel coordinates
      static int[] convertToScreenPoint(EffectView arView, Point3D point3D)
      Converts the scene coordinates of points to screen coordinates that coordinate z is 0
      static int[] convertToScreenPoint(EffectView arView, Vector3 vector3)
      Converts the scene coordinates of points to screen coordinates that z-value is 0 Note: the origin of coordinates is the screen center
      static Point2D convertToScreenPoint2D(EffectView arView, Point3D point3D) 
      static int[][] generateBounds(EffectView arView, java.util.List<Vector3> arVertexGroup)
      Converts the vertex array on AR to the vertex of the maximum rectangle on the screen coordinates.
      static float getDpScale(android.content.Context context)
      Gets the ratio of dp value to the real scale
      static float getScreenDensity(AREffectBaseView arEffectView)
      Gets screen density
      static int getScreenDensityDPI(android.content.Context context)
      Get the screen dpi
      static float getScreenHeight_DP(AREffectBaseView arEffectView)
      Gets screen height Unit: dp
      static int getScreenHeightPixel(android.content.Context context)
      Gets the phone screen height
      static float getScreenWidth_DP(AREffectBaseView arEffectView)
      Gets screen width Unit: dp
      static int getScreenWidthPixel(android.content.Context context)
      Gets the phone screen height
      static Ray screenPointToRay(AREffectBaseView arEffectView, int x, int y)
      Converts screen coordinates to ray

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ScreenPointTool

        public ScreenPointTool()

    • Method Detail

      • convertToScreenPoint

        public static int[] convertToScreenPoint(EffectView arView,
                                         Point3D point3D)
        Converts the scene coordinates of points to screen coordinates that coordinate z is 0
        Parameters:
        point3D -
        Returns:

      • convertToScreenPoint2D

        public static Point2D convertToScreenPoint2D(EffectView arView,
                                             Point3D point3D)

      • convertToScreenPoint

        public static int[] convertToScreenPoint(EffectView arView,
                                         Vector3 vector3)
        Converts the scene coordinates of points to screen coordinates that z-value is 0 Note: the origin of coordinates is the screen center
        Parameters:
        arView -
        vector3 -
        Returns:

      • generateBounds

        public static int[][] generateBounds(EffectView arView,
                                     java.util.List<Vector3> arVertexGroup)
        Converts the vertex array on AR to the vertex of the maximum rectangle on the screen coordinates. (bounds[0][0],bounds[0][1])----------------- | | | | -----------------(bounds[1][0],bounds[1][1])
        Parameters:
        arView -
        arVertexGroup -
        Returns:

      • getScreenDensity

        public static float getScreenDensity(AREffectBaseView arEffectView)
        Gets screen density
        Parameters:
        arEffectView -
        Returns:

      • getDpScale

        public static float getDpScale(android.content.Context context)
        Gets the ratio of dp value to the real scale
        Parameters:
        context -
        Returns:
        1 meter in the AR scene corresponds with how many dp value in a layout file

      • getScreenWidth_DP

        public static float getScreenWidth_DP(AREffectBaseView arEffectView)
        Gets screen width Unit: dp
        Parameters:
        arEffectView -
        Returns:

      • getScreenHeight_DP

        public static float getScreenHeight_DP(AREffectBaseView arEffectView)
        Gets screen height Unit: dp
        Parameters:
        arEffectView -
        Returns:

      • screenPointToRay

        public static Ray screenPointToRay(AREffectBaseView arEffectView,
                                   int x,
                                   int y)
        Converts screen coordinates to ray
        Parameters:
        arEffectView -
        x -
        y -
        Returns:

      • convertToPixel

        public static <any> convertToPixel(EffectView effectView,
                                   java.util.List<Point3D> point3DList)
        Convert the AR scene coordinate set to screen pixel coordinates
        Parameters:
        effectView -
        point3DList -
        Returns:
        Screen coordinate set

      • getScreenHeightPixel

        public static int getScreenHeightPixel(android.content.Context context)
        Gets the phone screen height
        Parameters:
        context -
        Returns:
        height

      • getScreenWidthPixel

        public static int getScreenWidthPixel(android.content.Context context)
        Gets the phone screen height
        Parameters:
        context -
        Returns:
        Width

      • convertToPixel

        public static <any> convertToPixel(EffectView effectView,
                                   java.util.List<Point3D> point3DList,
                                   boolean isModify)
        Convert the AR scene coordinate set to screen pixel coordinates
        Parameters:
        effectView - arView
        point3DList - Set of 3D points to be converted
        isModify - Whether to keep position mirroring
        Returns:
        Screen coordinate set

      • getScreenDensityDPI

        public static int getScreenDensityDPI(android.content.Context context)
        Get the screen dpi
        Parameters:
        context -
        Returns:
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