本文整理汇总了C#中Geometry.GetBoundingBox方法的典型用法代码示例。如果您正苦于以下问题：C# Geometry.GetBoundingBox方法的具体用法？C# Geometry.GetBoundingBox怎么用？C# Geometry.GetBoundingBox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类Geometry的用法示例。
在下文中一共展示了Geometry.GetBoundingBox方法的7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: CreateLabel
private static BaseLabel CreateLabel(Geometry feature, string text, float rotation, int priority, LabelStyle style, Map map,
Graphics g)
{
BaseLabel lbl = null;
SizeF size = VectorRenderer.SizeOfString(g, text, style.Font);
if (feature is ILineal)
{
var line = feature as LineString;
if (line != null)
{
if (size.Width < 0.95 * line.Length / map.PixelWidth || !style.IgnoreLength)
{
var positiveLineString = PositiveLineString(line, false);
var lineStringPath = LineStringToPath(positiveLineString, map /*, false*/);
var rect = lineStringPath.GetBounds();
if (style.CollisionDetection && !style.CollisionBuffer.IsEmpty)
{
var cbx = style.CollisionBuffer.Width;
var cby = style.CollisionBuffer.Height;
rect.Inflate(2*cbx, 2*cby);
rect.Offset(-cbx, -cby);
}
var labelBox = new LabelBox(rect);
lbl = new PathLabel(text, lineStringPath, 0, priority, labelBox, style);
}
}
return lbl;
}
PointF position = Transform.WorldtoMap(feature.GetBoundingBox().GetCentroid(), map);
position.X = position.X - size.Width*(short) style.HorizontalAlignment*0.5f;
position.Y = position.Y - size.Height*(short) (2-(int)style.VerticalAlignment)*0.5f;
if (position.X - size.Width > map.Size.Width || position.X + size.Width < 0 ||
position.Y - size.Height > map.Size.Height || position.Y + size.Height < 0)
return null;
if (!style.CollisionDetection)
lbl = new Label(text, position, rotation, priority, null, style);
else
{
//Collision detection is enabled so we need to measure the size of the string
lbl = new Label(text, position, rotation, priority,
new LabelBox(position.X - size.Width*0.5f - style.CollisionBuffer.Width,
position.Y + size.Height*0.5f + style.CollisionBuffer.Height,
size.Width + 2f*style.CollisionBuffer.Width,
size.Height + style.CollisionBuffer.Height*2f), style);
}
/*
if (feature is LineString)
{
var line = feature as LineString;
//Only label feature if it is long enough, or it is definately wanted
if (line.Length / map.PixelSize > size.Width || style.IgnoreLength)
{
CalculateLabelOnLinestring(line, ref lbl, map);
}
else
return null;
}
*/
return lbl;
}示例2: Union
public virtual BoundingBox Union(Geometry theGeom)
{
if (theGeom == null) return GetBoundingBox();
return GetBoundingBox().Union(theGeom.GetBoundingBox());
}示例3: Within
/// <summary>
/// Returns true if the primary geometry is wholly contained
/// within the comparison geometry.
/// </summary>
/// <param name="g1"></param>
/// <param name="g2"></param>
/// <returns></returns>
public static bool Within(Geometry g1, Geometry g2)
{
if (g1 == null) throw new ArgumentNullException("g1");
if (g2 == null) throw new ArgumentNullException("g2");
// HACK: fake spatial relation using BoundingBox instances. Shhh...
return g2.GetBoundingBox().Contains(g2.GetBoundingBox());
}示例4: Intersects
/// <summary>
/// Returns true if there is any intersection between the two geometries.
/// </summary>
/// <param name="g1"></param>
/// <param name="g2"></param>
/// <returns></returns>
public static bool Intersects(Geometry g1, Geometry g2)
{
#warning BoundingBox intersection is wrong, wrong, wrong, but it won't be fixed until we use NTS
if (g1 == null || g2 == null)
{
return false;
}
if (g1 == g2)
{
return true;
}
return g1.GetBoundingBox().Intersects(g2.GetBoundingBox());
}示例5: ExecuteIntersectionQuery
/// <summary>
/// Returns the data associated with all the geometries that are intersected by 'geom'
/// </summary>
/// <param name="geometry">Geometry to intersect with</param>
/// <param name="ds">FeatureDataSet to fill data into</param>
public void ExecuteIntersectionQuery(Geometry geometry, FeatureDataSet ds)
{
ExecuteIntersectionQuery(geometry.GetBoundingBox(), ds);
}示例6: CreateLabel
private static Label CreateLabel(Geometry feature, string text, float rotation, int priority, LabelStyle style, Map map,
Graphics g)
{
//SizeF size = g.MeasureString(text, style.Font);
SizeF size = VectorRenderer.SizeOfString(g, text, style.Font);
//PointF position = map.WorldToImage(feature.GetBoundingBox().GetCentroid());
PointF position = Transform.WorldtoMap(feature.GetBoundingBox().GetCentroid(), map);
position.X = position.X - size.Width*(short) style.HorizontalAlignment*0.5f;
position.Y = position.Y - size.Height*(short) (2-(int)style.VerticalAlignment)*0.5f;
if (position.X - size.Width > map.Size.Width || position.X + size.Width < 0 ||
position.Y - size.Height > map.Size.Height || position.Y + size.Height < 0)
return null;
Label lbl;
if (!style.CollisionDetection)
lbl = new Label(text, position, rotation, priority, null, style);
else
{
//Collision detection is enabled so we need to measure the size of the string
lbl = new Label(text, position, rotation, priority,
new LabelBox(position.X - size.Width*0.5f - style.CollisionBuffer.Width,
position.Y + size.Height*0.5f + style.CollisionBuffer.Height,
size.Width + 2f*style.CollisionBuffer.Width,
size.Height + style.CollisionBuffer.Height*2f), style);
}
if (feature is LineString)
{
LineString line = feature as LineString;
//Only label feature if it is long enough, or it is definately wanted
if (line.Length/map.PixelSize > size.Width || style.IgnoreLength)
CalculateLabelOnLinestring(line, ref lbl, map);
else
return null;
}
return lbl;
}示例7: Difference
/// <summary>
/// Returns a geometry that represents the point set difference of this Geometry with anotherGeometry.
/// </summary>
public override Geometry Difference(Geometry geometry)
{
if (geometry == null) throw new ArgumentNullException("geometry");
// HACK: fake the difference by using bounding boxes. Broken until we go to NTS in Beta 2
if (IsEmpty())
{
return geometry;
}
if (geometry.IsEmpty())
{
return this;
}
return BoundingBoxOperations.Difference(GetBoundingBox(), geometry.GetBoundingBox());
}