本文整理汇总了C#中Feature.UpdateEnvelope方法的典型用法代码示例。如果您正苦于以下问题：C# Feature.UpdateEnvelope方法的具体用法？C# Feature.UpdateEnvelope怎么用？C# Feature.UpdateEnvelope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Feature的用法示例。
在下文中一共展示了Feature.UpdateEnvelope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: Select
/// <summary>
/// Select the features in an IShapeSource
/// </summary>
/// <param name="sr"></param>
/// <param name="filterExpression"></param>
/// <param name="envelope"></param>
/// <param name="startIndex"></param>
/// <param name="maxCount"></param>
/// <returns></returns>
protected IFeatureSet Select(IShapeSource sr, string filterExpression, IEnvelope envelope, ref int startIndex, int maxCount)
{
var shapes = sr.GetShapes(ref startIndex, maxCount, envelope);
AttributeTable at = GetAttributeTable(Filename);
var result = new FeatureSet(FeatureType.Polygon);
bool schemaDefined = false;
foreach (var pair in shapes)
{
DataTable td = at.SupplyPageOfData(pair.Key, 1);
if (td.Select(filterExpression).Length > 0)
{
if (!schemaDefined)
{
schemaDefined = true;
result.CopyTableSchema(td);
}
var f = new Feature(pair.Value) {RecordNumber = pair.Key + 1, DataRow = td.Rows[0]};
result.Features.Add(f);
f.UpdateEnvelope();
}
}
return result;
}