Записки программиста, обо всем и ни о чем. Но, наверное, больше профессионального.

2014-12-29

Do you actually need any specialized mapping server at all?

Интересный вопрос — а нужен ли для вашего проекта картографический сервер?
Смысл в том, что создавая некий продукт/сервис, вам нужны пространственные данные/картинки. В такой ситуации многие сразу фигачат какой-нибудь ArcGIS Server или MapServer или еще какой гео-сервер. И присобачивают его к своему проекту. На так ли нужен этот гео-сервер? Может достаточно чего попроще?

As I embark on another Leaflet/HTML/GeoJSON/D3 implementation for a user, I can think of about ten projects that I’ve done over the last dozen or so years that I would love to revisit with this technology mix. These projects shared some characteristics with my current project which made me go down this route this time around.

Product-based workflow – These projects have typically been centered around the delivery of value-added analytical product. Often, the products are only valid for the version of the source data used at the time. Changes to the underlying source data would warrant a re-validation of the analytical product. In other words, “configuration management.”
Frequent, but not constant, product updates – Analytical products are typically generated on a schedule that has an interval that is measured in at least a few days, but usually more. Referring back to item 1, this is usually because the source data isn’t updated frequently enough to warrant constant attention to the product.
Version history – Products often need to be retained for a long period of time, even when superseded. In many of the shops I’ve supported, the previous product serves as the starting point for the next version, so maintaining the history is important to understand the context of the current version of a product.




И вот вам пример без гео-сервера

This post describes the construction of a simple, lightweight geospatial data service using Node.JS, PostGIS and Amazon RDS. It is somewhat lengthy and includes a number of code snippets. The post is primarily targeted at users who may be interested in alternative strategies for publishing geospatial data but may not be familiar with the tools discussed here




original post http://vasnake.blogspot.com/2014/12/do-you-actually-need-any-specialized.html

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