This tutorial explains how one can download Landsat images from the United States Geological Survey(USGS) website.There are no restrictions to downloading data from the site,however a statement of the data source when citing,copying or reprinting the data or images is requested. The approximate scene size covered by the images is 170 km North-South by 183
GeoServer Workflow Source of image: http://kkb-classes.s3.amazonaws.com/2013/GEOGx85/web/2013-Spring-InternetMapping-011_slides.html#17 The process shown in the figure above has been explained in the next section. Creating workspace A workspace is a container that holds similar layers together. For instance, if one wants to create a University web map, then all the spatial data such as buildings and footpaths
GeoServer is an open-source server written in Java that allows users to share, process and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards. GeoServer has evolved to become an easy method of connecting existing information to virtual globes such as Google Earth and NASA World
This tutorial is a continuation of the Introductory tutorial on the installation of PostgreSQL / PostGIS and it will show how to create databases in using the graphical user interface pgAdmin III. Right click on the Database as shown and select New Database. Under the Properties tab, put the Name of database and its owner.
Introduction A database is a collection of information that is organized so that it can be easily accessed, managed and updated [Wikipedia]. For instance a database can be created to house all the data of patients visiting a hospital every day. Such data may include: the name of patient, time of visit, gender, age and
What is web mapping? The maps made using GIS software such as QGIS and ArcGIS are used for visualization purposes and consequently to make an informed decision based on the property being mapped. For instance, spatial data such as soil samples may be collected from the field, then mapped on a GIS software. The maps