随笔分类 -  GIS

GIS Engine,ESRI ArcGIS, ArcSDE,MapInfo MapX
trouble shoot about using BindLayer in MapX with C# [原创]
摘要：If you have problem about using BindLayer in MapX with C#, check this out. it may help.  My Enviroment：Microsoft Visual Studio.NET 2005 (C#)  + Mapinfo MapX 5.02Keywords: BindLayer ,DataSet,... 阅读全文
posted @ 2008-11-01 15:44 RayG 阅读(605) 评论(0) 推荐(0)
Trouble shooting about installation of ArcSDE 9.2
摘要：安装ArcSDE的时候碰到不少问题。After installation , the system log says: Error (-327), No ArcSDE server license foundactually, ArcGIS License Manager has been installed in our system already succssfully. no proble... 阅读全文
posted @ 2008-03-18 10:31 RayG 阅读(666) 评论(0) 推荐(0)
ArcSDE Data Preparation Techniques to Optimize Map Rendering for Time-Critical Applications
摘要：这是一篇翻译结合部分项目体会，因为在大型项目中，使用SDE不可避免地碰到的问题就是地图显示的效率，速度，本文给了几个解决方案。基于本人的项目经验和对本文里的某些具体实现。特翻译此文,同时里面包含大量本人原创的内容以及源代码。转载请注明。原作者 Brad Gellerstedt和 Mark Harley ，2005，在此感谢。译者：管睿（GuanRui），2007，　转载请注明译者，本文不是完全地翻... 阅读全文
posted @ 2007-12-24 16:01 RayG 阅读(802) 评论(0) 推荐(0)
File type transform between ArcGIS and other major type
摘要：一、ARC/INFO与AutoCAD、MicroStation、MapInfo 之间的数据格式转换 有一个非常好的工具，FME，本人使用的是FME Suit 2002 版本。可以进行大量的各种GIS数据格式的转换。可以先使用FME准备好FME的Workbench文件，然后在程序中通过命令行的方式进行调用。例如：Dim str As String str = "FME D:\Data\test_sh... 阅读全文
posted @ 2007-12-10 11:16 RayG 阅读(432) 评论(0) 推荐(0)
[Tips] How to converting a Coverage to a Shapefile ?
摘要：converts a coverage feature class (region) into a new shapefile with the proper feature type. The "canada" coverage from the data folder of the developer's samples is converted.SubCovertoShape()'useIF... 阅读全文
posted @ 2007-12-10 11:05 RayG 阅读(412) 评论(0) 推荐(0)
[Tips] How to Add New field into Shapefile attribute table in ArcGIS ?
摘要：ArcGIS中为Shapefile属性表增加字段属性描述了要素的相关特性，并存储于表中。在创建新的属性表或是向已有的属性表中增加字段的时候，必须指明数据类型和字段属性，比如精度（Precision）或长度（Length）。数据类型的选择和相关设置会影响存储和显示，并且对后台数据库的精度和效率有十分重要的意义。在ArcGIS中你可以将要素的属性值存储为七种数据类型之一，即短整型（short inte... 阅读全文
posted @ 2007-12-10 10:49 RayG 阅读(1482) 评论(0) 推荐(0)
[GuanRui]How to open Path browse dialog in VBA of ArcGIS Desktop ?
摘要：there are 2 ways to open a path browse dialog in VB/VBA. and there is a little diffenent between VB and VBA.check this out ~ Way No.1 : Legacy VB 1. Add a new module in you VB project . 2. Copy & ... 阅读全文
posted @ 2007-08-16 16:50 RayG 阅读(743) 评论(0) 推荐(0)
Common Function in Loading Layers From Personal Database
摘要：Key Words: ArcGIS,ArcObject, VBA,Access,Cycle through all Polygons///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////PrivateTypeGRLa... 阅读全文
posted @ 2007-08-07 10:58 RayG 阅读(423) 评论(2) 推荐(0)
How to cycle through all polygons in one layer then generalize them?
摘要：Key Words: Generalize, Polygons ,Layer,ArcGIS,AO Private Function ProcessGeneralize(iLyrIndex As Integer) Dim pMxDoc As IMxDocument Dim pMap As IMap Dim pFeatureCursor As IFeatureCursor ... 阅读全文
posted @ 2007-08-07 10:55 RayG 阅读(399) 评论(0) 推荐(0)
How to save a file into DB by BlobStream ?
摘要：Key Words: ArcGIS , BlobStream , DataBase HowTo: Save a .lyr file in a database using ArcObjects Article ID: 23529 Software: ... 阅读全文
posted @ 2007-08-07 10:48 RayG 阅读(408) 评论(0) 推荐(0)
How to judge a small polygon intersect a big one on another layer ?
摘要：Key Words: Polygon, AO, Center Point, Intersect , Attribute Table Private Sub ReGenerateParentCode(lngSourceLyrIdx As Long, lngTargetLyrIdx As Long, strFldSource As String, strFldTarget As String) ... 阅读全文
posted @ 2007-08-07 10:42 RayG 阅读(322) 评论(0) 推荐(0)
How to make a custom symbol in MapObject 2 with VC++?
摘要：Key Words: MapObject, VC++,ICustomLinepublic: CPen g_hPen;// ICustomLine STDMETHOD(SetupDC)(LONG hDC, DOUBLE dpi, IDispatch * pBaseSym) { CDC* pcdc = CDC::FromHand... 阅读全文
posted @ 2007-08-07 10:37 RayG 阅读(466) 评论(1) 推荐(0)