sharpmap

Issues loading different shapefiles in given sharpmap tutorial code

由 ≯℡__Kan透↙ 提交于 2020-01-07 09:34:28
问题 I am currently working on sharpmap project with the need to work on offline maps. As i am fresher in this field,I am following the sharpmap tutorial and facing a problem with loading new shape files in the given tutorial code. For Example :\ SharpMap.Layers.VectorLayer("States"); vlay.DataSource = new SharpMap.Data.Providers.ShapeFile("path_to_data\\states_ugl.shp", true); At this line of code, if i pass a different shapefile, code builds with a blank background or no display. I have tried

开源GIS---.Net系列

由 限于喜欢 提交于 2019-12-19 16:40:20
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> NASA World Wind NASA World Wind是使用.NET开发的一个Windows窗体系统，以地球外观看得角度提供全球定位功能，类似于Google Earth。它结合了美国国家航空航天局(NASA)从卫星拍摄的图像，这些图像应用于Blue Marble, Landsat 7, SRTM, MODIS 以及其它更多的地方。 链接： http://www.worldwindcentral.com/wiki/Main_page SharpMap SharpMap 是一个基于.NET 2.0使用C#开发的Map渲染类库，可以渲染ESRI Shape、PostGIS、MS SQL等格式的GIS数据，通过扩展地图数据Provider，还可以支持其他格式，例如由其他作者开发的 Oracle Spatial provider。SharpMap可应用于桌面和Web程序。 链接： http://www.codeplex.com/SharpMap NetTopologySuite NetTopologySuite 是著名的JTS Topology Suite的C#/.net版本，简称NTS。JTS Topology Suite为一个OpenGIS标准的GIS分析、操作类库。NTS项目的目的是提供一个基于.net

Coloring a Shapefile map in ASP.NET

由 一曲冷凌霜 提交于 2019-12-11 06:52:43
问题 I have a Shapefile map of Maryland separated by zipcode. What I'd like to do is color each area based on a value I'm looking up in a database. Currently, I'm using ASP.NET with the SharpMap package. The basic questions are: 1) How do I associate a shape with its zipcode? I can generate the list of zipcodes using SharpMap's ExecuteIntersectionQuery with the BoundingBox set as the extent of the map, but I have no idea how to then connect each row of the resulting table with the shape it

RPM-Build -How to print error message at rpm install at client

由 |▌冷眼眸甩不掉的悲伤 提交于 2019-12-11 03:28:06
问题 my requirement is that i want to print some message on screen if rpm install fails in any case at client machine.or display message on screen like rpm install fail due to any of the generated reasons.like other standard rpm gives. and i am not making any c file or make command in my .spec file . Everything i was doing in spec file itself.plz suggest how to print such type of things in client console using spec file. yes that is not my concern --test i have give just example.my excet
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