libecw 3.3 完整源码

上传者: morganx | 上传时间: 2024-07-05 18:07:57 | 文件大小: 6.42MB | 文件类型: 7Z
**标题解析:** "libecw 3.3 完整源码" 是一个软件库的源代码版本,其中“libecw”是ERDAS公司开发的核心库,专门用于处理ECW(ERDAS Compressed Wavelets)图像格式。ECW是一种高效的数据压缩技术,常用于地理信息系统(GIS)和卫星遥感数据处理。版本号3.3表示这是该库的一个特定迭代,可能包含了性能优化、新功能或错误修复。 **描述详解:** 描述中提到,libecw主要服务于GIS(Geographic Information System)和卫星遥感领域。这表明它在处理大型地理空间数据时具有重要作用,因为这些领域经常涉及处理海量的高分辨率图像。 1. **ERDAS公司出品**:ERDAS是一家在地理空间软件和服务方面有深厚背景的公司,其产品广泛应用于地球观测、地图制作、环境分析等领域。 2. **ECW与JPEG2000支持**:ECW格式能够高效地压缩遥感和GIS图像,同时保持高质量的图像还原。JPEG2000是另一种高级图像压缩标准,支持多分辨率和无损压缩,这两种格式都在libecw的支持范围内,说明它能处理多种类型的大文件图像。 3. **图像的金字塔格式存储**:这是一种分层存储方法,允许快速访问不同分辨率的图像,对于大图像的浏览和处理非常有用。通过金字塔结构,用户可以快速加载低分辨率的预览,然后逐级细化到需要的细节水平。 4. **图像大小无限制**:这意味着libecw设计上能够处理任意大小的图像文件,不受硬件或软件上的限制,对于处理高分辨率的遥感数据至关重要。 **标签关联:** 1. **erdas**:标签指明了libecw与ERDAS公司的关系,表明这是ERDAS产品线的一部分。 2. **ecw**:强调了libecw的核心功能,即处理ECW格式的图像。 3. **金字塔**:反映了libecw支持高效的图像金字塔存储方式。 4. **遥感**:指出libecw在遥感数据分析中的应用。 **压缩包子文件的文件名称列表:** 虽然未提供具体的文件列表,但"libecwj2-3.3"很可能包含libecw库的源代码文件,可能包括C++或其他编程语言的头文件、源文件、构建脚本、示例程序、文档等。这些文件将有助于开发者理解和使用libecw来处理ECW和JPEG2000图像,或者为自己的项目集成这个库。 libecw 3.3是ERDAS公司提供的一个关键组件,专为GIS和遥感应用设计,能够高效处理和读写ECW和JPEG2000格式的超大图像。其支持的金字塔存储和无限制的图像大小处理能力,使其在处理复杂地球观测数据时表现出色。通过其源代码,开发者可以深入了解其工作原理,并进行定制化开发,以满足特定的应用需求。

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