connotation of new generation Web GIS " Next-generation Web GIS " is a web-centric, new GIS application model presented by ESRI in the context of the new GIS technology and the era, in which the resources and functions are further integrated and the providers of GIS services
The GIS student programming is inferior to the computer, does the mapping is inferior to the study surveying and mapping, does not have the geography to study the geography, I now began to learn the programming how to learn also to be unable to learn the computer how to do?This is a simple question, so if you go to bed now and catch them, you can go to sleep.1, the family asked you to learn what professional, not to mention geographic information syst
ArcGIS Server is the newest server end of ESRI, which can achieve two major functions:
1, the development of a powerful web GIS system;
2, the development of distributed GIS system;
The ArcGIS server's kernel, like ArcGIS desktop and ArcGIS engine, is the Arcobjects library. The so-called web GIS, in fact, is simply to use web technology to encapsulate Arcobjects
In recent years it and space technology development, cloud computing, big data, real-time information, LBS, unmanned aerial vehicles, tilt photography and other new technologies emerging, Internet infrastructure construction achievements, broadband become a national strategic public infrastructure.GIS (Geographic information System), as an important tool of spatial information analysis and processing, has undergone great changes in its application requirements. Online content, convenient collabo
Build your own GIS data center
Author: Beijing competing upstream technology Source: www.2first.cn updated: Views: 1022
In the new curriculum reform, the geography teaching course has a 3 S (gis gps rs) content, and GIS-assisted geography teaching has an incomparable advantage
【Abstract]This article introduces the development and evolution of the World Wide Web Geographic Information System and component technology, and analyzes the necessity and feasibility of using the component technology to build a World Wide Web Geographic Information System, this paper mainly analyzes the operating mechanism of component models in the World Wide Web Geographic Information System.The computer hardware technology and software industry have developed at an unprecedented speed, with
"Network GIS is a GIS product and application form in a certain period of time in the GIS development process. It can also be collectively referred to under all GIS systems" [1]. According to this definition, we can summarize all Internet-based distributed spatial information management systems into the concept of netw
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Purpose: Focus on the "gis+" cutting-edge technology research and exchange, the cloud computing technology, large data technology, container technology, IoT and GIS in-depth integration, explore the "gis+" technology and
Professional is a GIS, attention web2.0 is this half a month of things.
It's hard to know what web2.0 is. Recently on the Internet often see this example, Google on a search, only gradually understand. In my understanding, web2.0 refers to a series of new technologies and applications that are now emerging. Blog,wiki,rss,kijiji and the like, XML-based applications form an example of web2.0 in reality. Of course, the most essential feature of web2.0 is
three major applications of GIS
The first category is the government application, "e-government" is the current government to strengthen the information construction of the new direction, refers to the modern computer, network communications and other technology support, government agencies day-to-day office, information collection and release, public management and other affairs in the digital, networked environment under the State Administration fo
I saw Linlin reprinted "chatting about GIS professional orientation and personal positioning problems" (http://www.cnblogs.com/gisattic/archive/2005/05/19/158872.html), there are some supplements and ideas.
The GIS software industry is still one of the highlights of the software industry in China. In terms of market share and software quality, I personally think it is still said, but on the other hand, wi
The current application of 3D GIS is mainly limited to 3D visualization and realistic visual performance, and its important 3D analysis and 3D operation functions are also very limited.
The construction of three-dimensional spatial databases is still a complex and expensive comprehensive project. The production efficiency, quality control, data security, and effective storage and management of large 3D GIS
1. Accuracy of spatial databases
Methods and Techniques for error handling and uncertainty error handling in geographic information data, including:
Uncertainty error model;
Error Tracking and coding;
Calculation and Expression of errors in GIS applications;
Data Accuracy Evaluation;
Research on data quality, metadata, and data standards.
2. Study on Spatial Relational Language
Based on the standardized form of geospatial concepts, using natural lang
Google Maps
Jquery maps
How does Google map work?
Google Maps API programming resources
Google map limits the map zoom level and display range
Summary of recent WebGIS learning and online vectoring of GoogleMap Images
Google map V3 API calls do not require an API key
Use JSON to pass data to the Google map for identification
Share a javascript library for drawing various images in Google Map
Google map Learning (2) simple Google map and Google map events
General implementa
1. introduction The current application of geographic information systems requires the organic integration of GIS and other systems such as MIS and OA. Therefore, most GIS systems are developed with component GIS as the core for secondary development. Therefore, with the rapid development of computer and geographic information technology and the gradual maturity
The current application of 3D GIS is mainly limited to 3D visualization and realistic visual performance, and its important 3D analysis and 3D operation functions are also very limited.
The construction of three-dimensional spatial databases is still a complex and expensive comprehensive project. The production efficiency, quality control, data security, and effective storage and management of large 3D GIS
In recent years it and space technology development, cloud computing, big data, real-time information, LBS, unmanned aerial vehicles, tilt photography and other new technologies emerging, Internet infrastructure construction achievements, broadband become a national strategic public infrastructure.GIS (Geographic information System) as an important tool for spatial information analysis and processing. Its application needs are also changing dramatically.Online content, convenient collaboration,
1. Curiosity
First, GIS professionals should be curious. This curiosity is not just about geospatial technology, but about the world around us. In our work, we must actively consider the spatial relationship of phenomena, ranging from local to global, covering population, land use, transportation models, regional natural disasters, biodiversity, and global climate change.
The number of new multimedia, sensors, and mass data sources has increased s
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