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C# Rectangle.RelateYRange方法代码示例

本文整理汇总了C#中Rectangle.RelateYRange方法的典型用法代码示例。如果您正苦于以下问题:C# Rectangle.RelateYRange方法的具体用法?C# Rectangle.RelateYRange怎么用?C# Rectangle.RelateYRange使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Rectangle的用法示例。


在下文中一共展示了Rectangle.RelateYRange方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: RelateRectanglePhase2

        /// <summary>
        /// Called after bounding box is intersected.
        /// </summary>
        /// <param name="r"></param>
        /// <param name="bboxSect">INTERSECTS or CONTAINS from enclosingBox's intersection</param>
        /// <returns>DISJOINT, CONTAINS, or INTERSECTS (not WITHIN)</returns>
        protected override SpatialRelation RelateRectanglePhase2(Rectangle r, SpatialRelation bboxSect)
        {
            //Rectangle wraps around the world longitudinally creating a solid band; there are no corners to test intersection
            if (r.GetWidth() == 360)
            {
                return SpatialRelation.INTERSECTS;
            }

            if (inverseCircle != null)
            {
                return inverseCircle.Relate(r).Inverse();
            }

            //if a pole is wrapped, we have a separate algorithm
            if (enclosingBox.GetWidth() == 360)
            {
                return RelateRectangleCircleWrapsPole(r, ctx);
            }

            //This is an optimization path for when there are no dateline or pole issues.
            if (!enclosingBox.GetCrossesDateLine() && !r.GetCrossesDateLine())
            {
                return base.RelateRectanglePhase2(r, bboxSect);
            }

            //do quick check to see if all corners are within this circle for CONTAINS
            int cornersIntersect = NumCornersIntersect(r);
            if (cornersIntersect == 4)
            {
                //ensure r's x axis is within c's.  If it doesn't, r sneaks around the globe to touch the other side (intersect).
                SpatialRelation xIntersect = r.RelateXRange(enclosingBox.GetMinX(), enclosingBox.GetMaxX());
                if (xIntersect == SpatialRelation.WITHIN)
                    return SpatialRelation.CONTAINS;
                return SpatialRelation.INTERSECTS;
            }

            //INTERSECT or DISJOINT ?
            if (cornersIntersect > 0)
                return SpatialRelation.INTERSECTS;

            //Now we check if one of the axis of the circle intersect with r.  If so we have
            // intersection.

            /* x axis intersects  */
            if (r.RelateYRange(GetYAxis(), GetYAxis()).Intersects() // at y vertical
                  && r.RelateXRange(enclosingBox.GetMinX(), enclosingBox.GetMaxX()).Intersects())
                return SpatialRelation.INTERSECTS;

            /* y axis intersects */
            if (r.RelateXRange(GetXAxis(), GetXAxis()).Intersects())
            { // at x horizontal
                double yTop = GetCenter().GetY() + radiusDEG;
                Debug.Assert(yTop <= 90);
                double yBot = GetCenter().GetY() - radiusDEG;
                Debug.Assert(yBot >= -90);
                if (r.RelateYRange(yBot, yTop).Intersects())//back bottom
                    return SpatialRelation.INTERSECTS;
            }

            return SpatialRelation.DISJOINT;
        }
开发者ID:h0st1le,项目名称:Spatial4n,代码行数:67,代码来源:GeoCircle.cs


注:本文中的Rectangle.RelateYRange方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。