本文整理汇总了C#中DotSpatial.Data.Extent.Intersection方法的典型用法代码示例。如果您正苦于以下问题：C# Extent.Intersection方法的具体用法？C# Extent.Intersection怎么用？C# Extent.Intersection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DotSpatial.Data.Extent的用法示例。
在下文中一共展示了Extent.Intersection方法的2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: GetBitmap
/// <summary>
/// Gets the bitmap for the specified geographic envelope scaled to fit on a bitmap of the specified size in pixels.
/// </summary>
/// <param name="envelope"></param>
/// <param name="pixelSize"></param>
/// <returns></returns>
public virtual Bitmap GetBitmap(Extent envelope, Size pixelSize)
{
Bitmap result = new Bitmap(pixelSize.Width, pixelSize.Height);
Graphics g = Graphics.FromImage(result);
foreach (ImageData image in _images)
{
Extent bounds = envelope.Intersection(image.Extent);
Size ps = new Size((int)(pixelSize.Width * bounds.Width / envelope.Width),
(int)(pixelSize.Height * bounds.Height / envelope.Height));
int x = pixelSize.Width * (int)((bounds.X - envelope.X) / envelope.Width);
int y = pixelSize.Height * (int)((envelope.Y - bounds.Y) / envelope.Height);
if (ps.Width > 0 && ps.Height > 0)
{
Bitmap tile = image.GetBitmap(bounds, ps);
g.DrawImageUnscaled(tile, x, y);
}
}
return result;
}示例2: GetSeriesListForExtent
private List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart> GetSeriesListForExtent(Extent extent, IEnumerable<string> keywords, double tileWidth, double tileHeight,
DateTime startDate, DateTime endDate, ICollection<WebServiceNode> serviceIDs,
BusinessObjects.Models.IProgressHandler bgWorker, Func<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart, bool> seriesFilter)
{
var servicesToSearch = new List<Tuple<WebServiceNode[], Extent>>();
if (serviceIDs.Count > 0)
{
foreach (var webService in serviceIDs)
{
if (webService.ServiceBoundingBox == null)
{
servicesToSearch.Add(new Tuple<WebServiceNode[], Extent>(new[] { webService }, extent));
continue;
}
const double eps = 0.05; //tolerance (0.05 deg) used for services whose bounding box is one point
var wsBox = webService.ServiceBoundingBox;
var wsExtent = new Extent(wsBox.XMin - eps, wsBox.YMin - eps, wsBox.XMax + eps, wsBox.YMax + eps);
if (wsExtent.Intersects(extent))
{
servicesToSearch.Add(new Tuple<WebServiceNode[], Extent>(new[] { webService }, wsExtent.Intersection(extent)));
}
}
}
else
{
servicesToSearch.Add(new Tuple<WebServiceNode[], Extent>(new WebServiceNode[] { }, extent));
}
var servicesWithExtents = new List<Tuple<WebServiceNode[], List<Extent>>>(servicesToSearch.Count);
int totalTilesCount = 0;
foreach (var wsInfo in servicesToSearch)
{
var tiles = SearchHelper.CreateTiles(wsInfo.Item2, tileWidth, tileHeight);
servicesWithExtents.Add(new Tuple<WebServiceNode[], List<Extent>>(wsInfo.Item1, tiles));
totalTilesCount += tiles.Count;
}
var fullSeriesList = new List<List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>>();
long currentTileIndex = 0;
int tilesFinished = 0;
totalSeriesCount = 0;
bgWorker.ReportProgress(0, "0 Series found");
var serviceLoopOptions = new ParallelOptions
{
CancellationToken = bgWorker.CancellationToken,
MaxDegreeOfParallelism = 2,
};
var tileLoopOptions = new ParallelOptions
{
CancellationToken = bgWorker.CancellationToken,
// Note: currently HIS Central returns timeout if many requests are sent in the same time.
// To test set MaxDegreeOfParallelism = -1
MaxDegreeOfParallelism = 4,
};
Parallel.ForEach(servicesWithExtents, serviceLoopOptions, wsInfo =>
{
bgWorker.CheckForCancel();
var ids = wsInfo.Item1.Select(item => item.ServiceID).ToArray();
var tiles = wsInfo.Item2;
Parallel.ForEach(tiles, tileLoopOptions, tile =>
{
var current = Interlocked.Add(ref currentTileIndex, 1);
bgWorker.CheckForCancel();
// Do the web service call
var tileSeriesList = new List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
if (SearchSettings.AndSearch == true)
{
//CHANGES FOR "AND" SEARCH
var totalTileSeriesList = new List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList2 = new List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList3 = new List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList4 = new List<BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
SeriesComparer sc = new SeriesComparer();
for (int i = 0; i < keywords.Count(); i++)
{
String keyword = keywords.ElementAt(i);
bgWorker.CheckForCancel();
var series = GetSeriesCatalogForBox(tile.MinX, tile.MaxX, tile.MinY, tile.MaxY, keyword, startDate, endDate, ids, bgWorker, current, totalTilesCount);
totalTileSeriesList.AddRange(series);
if (tileSeriesList.Count() == 0)
{
if (i == 0)
{
tileSeriesList.AddRange(series);
}
else
{
break;
}
}
else
//.........这里部分代码省略.........