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    • 5. 发明授权
    • Method and system for inversion of detail-in-context presentations with folding
    • 用折叠细节上下文呈现的方法和系统
    • US06961071B2
    • 2005-11-01
    • US10435657
    • 2003-05-12
    • Catherine MontagneseMark H. A. Tigges
    • Catherine MontagneseMark H. A. Tigges
    • G06F3/0484G09G5/36H04W4/18G09G5/00
    • G06T3/0018G06F3/0481G06F3/04815H04N5/2628
    • A method is for inverting a distorted surface presentation into an undistorted surface presentation in a detail-in-context presentation system including the steps of: selecting an input point on the undistorted surface; calculating a vector from the input point to a reference viewpoint; locating a starting point lying above the distorted surface and on the vector; locating a first bracketing point for a first intersection point of the vector and the distorted surface lying above the distorted surface and on the vector; locating a second bracketing point for the first intersection point lying below the distorted surface, and below the first intersection point, but above any subsequent intersection points of the vector and the distorted surface; locating a midpoint between the first and second bracketing points; and, determining if the midpoint is an acceptable approximation for the first intersection point thus being an inversion point corresponding to the input point.
    • 一种方法是在上下文呈现系统中将失真的表面呈现反转为无失真的表面呈现,包括以下步骤:选择未失真的表面上的输入点; 从输入点到参考视点计算矢量; 将起始点定位在扭曲表面上方和矢量上; 为矢量的第一个交点和位于变形表面上方的失真表面和向量上定位第一个包围点; 定位位于扭曲表面下方的第一交点的第二包围点,并且位于第一交点以下,但位于矢量和失真表面的任何后续交点之上; 定位在第一和第二包围点之间的中点; 以及确定所述中点是否是所述第一交点的可接受的近似值,从而是对应于所述输入点的反转点。
    • 6. 发明授权
    • Detail-in-context terrain displacement algorithm with optimizations
    • 具有优化的上下文地形位移算法
    • US07580036B2
    • 2009-08-25
    • US11401349
    • 2006-04-11
    • Catherine MontagneseMark H. A. Tigges
    • Catherine MontagneseMark H. A. Tigges
    • G06T15/10
    • G06T17/05G06T3/0018
    • A method for generating a presentation of a region-of-interest in a terrain data representation for display on a display screen, comprising: translating each point of the representation within a lens bounds to a rotated plane being normal to a vector defined by a position for the region-of-interest with respect to a base plane for the representation and an apex above the base plane, the lens bounds defining a shoulder region at least partially surrounding a focal bounds defining a focal region in which the position is located, each point having a respective height above the base plane; displacing each translated point from the rotated plane by a function of the respective height and a magnification for the focal region, the magnification varying across the shoulder region in accordance with a drop-off function; rotating each displaced point toward a viewpoint for the region-of-interest to maintain visibility of each displaced point and each point of the data representation beyond the lens bounds when viewed from the viewpoint; and, adjusting each rotated point corresponding to the shoulder region to provide a smooth transition to the data representation beyond the lens bounds.
    • 一种用于在地形数据表示中生成感兴趣区域的呈现的方法,用于在显示屏幕上显示,包括:将透镜中的表示的每个点平移到与由位置定义的向量垂直的旋转平面 为了感兴趣的区域相对于表示的基础平面和在基底平面上方的顶点,透镜边界限定了至少部分地围绕限定位置所在的焦点区域的焦点界限的肩部区域,每个 点在基面上方具有相应的高度; 通过相应的高度和焦点区域的放大倍数的函数从旋转的平面移位每个平移点,根据落下功能跨越肩部区域的倍率变化; 将每个移位点朝向感兴趣区域的视点旋转,以便在从视点观察时保持每个移位点的可视性以及数据表示的每个点超出透镜边界; 并且调整对应于肩部区域的每个旋转点以提供超出透镜边界的数据表示的平滑过渡。
    • 7. 发明授权
    • Method and system for generating detail-in-context lens presentations for elevation data
    • 用于生成仰角数据的上下文镜头演示的方法和系统
    • US07173636B2
    • 2007-02-06
    • US11083037
    • 2005-03-18
    • Catherine Montagnese
    • Catherine Montagnese
    • G09G5/00
    • G06T3/0018G06T17/05
    • A method for generating a presentation of a region-of-interest in an elevation data representation for display on a display screen, comprising: calculating a displacement height for at least one point in the representation falling within a lens by inversely scaling a vertical height of the point from a viewpoint for the presentation by a magnification for the lens; if the point is within a shoulder region of the lens, scaling the displacement height by a value of the shoulder function evaluated at a value given by a distance between a projection point in the basal plane and a closest point on a perimeter of a focal region as projected onto the basal plane, the distance being scaled by a distance between the closest point and an intersection point on a perimeter of the shoulder region; and, displacing the point by the displacement height to generate the presentation.
    • 一种用于生成用于在显示屏幕上显示的高程数据表示中的感兴趣区域的呈现的方法,包括:通过相对地缩放垂直高度来计算位于透镜内的表示中的至少一个点的位移高度 从用于通过透镜的放大率呈现的观点的点; 如果该点位于透镜的肩部区域内,则将该位移高度缩放为以基础平面中的投影点与焦点区域的周边上的最近点之间的距离给出的值所估计的肩部函数的值 如投影到基面上,该距离被缩放在肩部区域的周边上的最近点与交点之间的距离; 并且通过位移高度移动点以产生呈现。
    • 8. 发明申请
    • Method and system for generating detail-in-context lens presentations for elevation data
    • 用于生成仰角数据的上下文镜头演示的方法和系统
    • US20050206655A1
    • 2005-09-22
    • US11083037
    • 2005-03-18
    • Catherine Montagnese
    • Catherine Montagnese
    • G06T3/00G06T11/20G06T17/05
    • G06T3/0018G06T17/05
    • A method for generating a presentation of a region-of-interest in an elevation data representation for display on a display screen, comprising: calculating a displacement height for at least one point in the representation falling within a lens by inversely scaling a vertical height of the point from a viewpoint for the presentation by a magnification for the lens; if the point is within a shoulder region of the lens, scaling the displacement height by a value of the shoulder function evaluated at a value given by a distance between a projection point in the basal plane and a closest point on a perimeter of a focal region as projected onto the basal plane, the distance being scaled by a distance between the closest point and an intersection point on a perimeter of the shoulder region; and, displacing the point by the displacement height to generate the presentation.
    • 一种用于生成用于在显示屏幕上显示的高程数据表示中的感兴趣区域的呈现的方法,包括:通过相对地缩放垂直高度来计算位于透镜内的表示中的至少一个点的位移高度 从用于通过透镜的放大率呈现的观点的点; 如果该点位于透镜的肩部区域内,则将该位移高度缩放为以基础平面中的投影点与焦点区域的周边上的最近点之间的距离给出的值所估计的肩部函数的值 如投影到基面上,该距离被缩放在肩部区域的周边上的最近点与交点之间的距离; 并且通过位移高度移动点以产生呈现。