GeoServer SLD样式配置英文教程

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"sld_详细教程英文版_OpenGIS_Symbology_Encoding_Implementation_Specification.pdf" 本资源是OpenGIS® Symbology Encoding Implementation Specification的英文版详细教程,旨在指导用户如何利用SLD(Styled Layer Descriptor)进行地理空间数据的发布样式配置,尤其适用于Geoserver地图发布。SLD是一种标准的XML格式,由Open Geospatial Consortium (OGC) 制定,用于定义和交换地图的视觉表示规则。这个规范的版本为1.1.0,修订4,由Markus Müller编辑。 在GIS(Geographic Information System)领域,SLD的重要性在于它提供了跨平台、跨软件的样式描述能力,使得用户可以更好地控制和美化地理空间数据的可视化效果。通过SLD,开发者和GIS专业人员可以定义不同层的显示规则,如颜色、符号、线型、填充模式等,以此来定制地图的外观,满足特定的分析或展示需求。 Geoserver是一个开源的Web GIS服务器,支持多种GIS标准,包括SLD。使用SLD与Geoserver结合,可以实现地图服务的高效管理和发布,允许用户动态调整地图的样式,而无需修改底层数据。这极大地增强了地图的可交互性和灵活性。 本教程涵盖了SLD的基本概念、结构和用法,可能包括以下知识点: 1. SLD简介:理解SLD的作用、结构和XML语法,以及它在WebGIS中的位置。 2. SLD元素和属性:学习如何定义图层风格,包括规则(Rule)、符号化(Symbolizer)、标记(Marker)、字体(Font)、颜色(Color)等。 3. 层级管理:如何为不同的数据层设置独立的样式,以及如何根据属性值创建条件化规则。 4. 图形符号化:学习点、线、面符号的创建和配置,以及自定义符号和图片的使用。 5. 文本标注:添加和控制地图上的文本注解,包括文本样式、定位和对齐方式。 6. 遮罩和过滤器:使用OGC表达式(比如Filter)来选择显示特定的数据子集。 7. 动态样式:了解如何创建可变的、基于用户交互的样式规则。 8. SLD的应用:通过示例和实践,学习如何在Geoserver中导入和应用SLD文件,以及如何通过API动态更新样式。 通过这份详尽的教程,读者不仅可以深入理解SLD规范,还能掌握实际操作技巧,提升地理空间数据发布的能力,从而在WebGIS项目中创建出专业且具有吸引力的地图服务。

select * from (select t1.[id] as t1_id,t1.[requestId] as t1_requestId,t1.[htqsrq] as t1_htqsrq,t1.[htjzrq] as t1_htjzrq,t1.[htbh] as t1_htbh,t1.[gf] as t1_gf,t1.[xf] as t1_xf,t1.[rq] as t1_rq,t1.[fkfs] as t1_fkfs,t1.[formmodeid] as t1_formmodeid,t1.[modedatacreater] as t1_modedatacreater,t1.[modedatacreatertype] as t1_modedatacreatertype,t1.[modedatacreatedate] as t1_modedatacreatedate,t1.[modedatacreatetime] as t1_modedatacreatetime,t1.[modedatamodifier] as t1_modedatamodifier,t1.[modedatamodifydatetime] as t1_modedatamodifydatetime,t1.[form_biz_id] as t1_form_biz_id,t1.[MODEUUID] as t1_MODEUUID,t1.[htfj] as t1_htfj,t1.[zje] as t1_zje,t1.[ds] as t1_ds,t1.[zjedx] as t1_zjedx,t1.[cspp] as t1_cspp,t1.[yfk] as t1_yfk,t1.[gxid] as t1_gxid,t1.[bz] as t1_bz,t1.[gfqymc] as t1_gfqymc,t1.[gfjc] as t1_gfjc,t1.[bh] as t1_bh,t1.[jylx] as t1_jylx,t1.[cght] as t1_cght,t1.[yf] as t1_yf,t1.[yfk1] as t1_yfk1,t1.[yf11] as t1_yf11,t1.[nf] as t1_nf,t1.[rksj] as t1_rksj,t1.[cclx] as t1_cclx,t1.[cgbt] as t1_cgbt,t1.[yfk2] as t1_yfk2,t1.[sywf] as t1_sywf,t1.[yfbl] as t1_yfbl,t1.[fhbl] as t1_fhbl,t1.[yfh] as t1_yfh,t1.[sykf] as t1_sykf,t1.[hzsdlqys] as t1_hzsdlqys,t1.[sys_workflowid] as t1_sys_workflowid,t1.[cgqzyz] as t1_cgqzyz,t1.[htwjpdf] as t1_htwjpdf,t1.[cghtlc] as t1_cghtlc,t1.[htzt] as t1_htzt,t1.[qzfs] as t1_qzfs,t1.[htwjtp] as t1_htwjtp,t1.[cgqzlc] as t1_cgqzlc,t1.[sjfk] as t1_sjfk,t1.[ydkds] as t1_ydkds,t1.[chpt] as t1_chpt,t1.[lxdhchr] as t1_lxdhchr,t1.[gxsjkx] as t1_gxsjkx,t1.[hkzt] as t1_hkzt,t1.[lcfkd] as t1_lcfkd,t1.[fkzlcid] as t1_fkzlcid,t1.[mode_top_4] as t1_mode_top_4,t1.[cgdj] as t1_cgdj,t1.[mode_top_22] as t1_mode_top_22,t2.[id] as t2_id,t2.[mainid] as t2_mainid,t2.[sld] as t2_sld,t2.[ppcj] as t2_ppcj,t2.[hsdj] as t2_hsdj,t2.[bz] as t2_bz,t2.[je] as t2_je,t2.[xhggyt] as t2_xhggyt,t2.[mxgxid] as t2_mxgxid,t2.[dqkckc] as t2_dqkckc,t2.[rkhkc] as t2_rkhkc,t2.[yf] as t2_yf,t2.[yldjbhyf] as t2_yldjbhyf,SELECT year(rksj) as 年 FROM uf_gfht as cus_年年 from uf_gfht t1 INNER join uf_gfht_dt1 t2 on t1.id = t2.mainid) tmp1错在哪里

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