[WorldWind学习]23.TerrainAccessor

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[WorldWind学习]23.TerrainAccessor

QuadTile的CreateElevatedMesh()方法中: //获取地形瓦片 TerrainTile tile = QuadTileSet.World.TerrainAccessor.GetElevationArray(North + degreePerSample, South - degreePerSample, West - degreePerSample, East + degreePerSample, vertexCountElevated + ); float[,] heig…

Python学习--23 第三方库

本文将介绍python里常用的模块.如未特殊说明,所有示例均以python3.4为例: $ python -V Python 3.4.3 网络请求 urllib urllib提供了一系列用于操作URL的功能.通过urllib我们可以很方便的抓取网页内容. 抓取网页内容 # coding: utf-8 import urllib.request url = 'https://api.douban.com/v2/book/2129650' with urllib.request.urlopen(ur…

Python学习--23 内建模块及第三方库

本文将介绍python里常用的模块.如未特殊说明,所有示例均以python3.4为例: $ python -V Python 3.4.3 网络请求 urllib urllib提供了一系列用于操作URL的功能.通过urllib我们可以很方便的抓取网页内容. 抓取网页内容 # coding: utf-8 import urllib.request url = 'https://api.douban.com/v2/book/2129650' with urllib.request.urlopen(ur…

[WorldWind学习]19.WebDownload

using System; using System.Diagnostics; using System.Globalization; using System.Net; using System.IO; using System.IO.Compression; using System.Threading; using System.Xml; using Utility; using WorldWind; namespace WorldWind.Net { public delegate vo…

[WorldWind学习]18.High-Performance Timer in C#

In some applications exact time measurement methods are very important. 一些应用程序中精确的时间测量是非常重要的. The often used Windows API method GetTickCount() retrieves the number of milliseconds that have elapsed since the system was started, but the GetTickCount()…