Darko J. Profile

EXPLORE

Cartography & Maps

Geolocation

Geospatial

MySQL

PHP

5,0

(47 avaliações)

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$20 USD / hora

pancevo,

serbia

$20 USD / hora

No momento são 1:19 PM aqui

Entrou no Freelancer em abril 30, 2007

2 Recomendações

Darko J.

@ReflectColor

5,0

(47 avaliações)

6,4

$20 USD / hora

pancevo,

serbia

$20 USD / hora

96%

Trabalhos Concluídos

100%

Dentro do Orçamento

100%

No Prazo

19%

Taxa de Recontratação

Code Development | Google Maps | GIS

From 2006 I am engaged in development of solution based on: o Programming languages: JavaScript, PHP and C# o Databases: PostgreSQL/PostGIS, MySQL, MS SQL and MongoDB. o Markup language: HTML/HTML5 o Style sheet language: CSS/CSS3 o WebGIS: Google Maps, OpenStreetMap, Bing Maps and MapServer. o GIS: ESRI ArcGIS, QGIS and ENVI. Please be sure to take a look at the reviews section, this tells everything about the quality of service and the skillset.

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Itens de Portfólio

Google Maps & Fusion Tables

Interpolation of 150 bore profiles with several depth to one ground model. Project \"Geostatistical Analysis Boreprofiles GIS\" at Freelancer.com

GIS (ESRI ArcGIS and ArcScene software)

Integration of spatial data stored inside PostgreSQL/PostGIS database and MS SQL server via MapServer app.

MapServer & PostgreSQL/PostGIS & MS SQL server

Process large amounts of LiDar data sets for Massachusetts state, using a GIS environment to obtain roof dimensions, elevations, and orientations of homes and then convert this data set to PostgreSQL/PostGIS spatial database to overlap this information within Google maps. As final results over 1.700.000 roofs are detected inside Massachusetts state (USA).
Project \"Process LiDar Data and overlay GIS on Google Mashup\" at Freelancer.com from May 2014.

Remote Sensing & PostgreSQL/PostGIS & Google Maps

Find on the Google Maps 25 closest airport on European continent from the desired location, in a radius of 250, 500, 1.000 or 10.000 kilometers. Type the desired location in the form of the city name (for example: Barcelona ) or a full address (for example: Carre de Pons i Gallarza 11, Barcelona).
After processing the results you get in the left column : name of the airport , distance from the defined location expressed in kilometers , city and state in which the airport is located. Requested locations will be displayed on the Google Maps in the markers form.

Google Maps & PHP & MySQL

Avaliações

Mudanças salvas

Mostrando 1 - 5 de 38 avaliações

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5,0

$120,00 USD

Gis analysis required

An expert freelancer in GIS, and i would recommend him for any gis work... will hire again..

Bandr A.

@bandr1406

•

há 6 anos

5,0

$578,91 USD

GIS website delivery

Perfect! Will work with him again when there is new work available [09 July, 2015] ReflectColor did a great job! I will work with him in the near future again. [08 October, 2015] Perfect! Quick and in time! [24 June, 2017] Great GIS specialist!

+1 mais

Gaston L.

@GHBLoos

•

há 6 anos

5,0

$100,00 USD

Project for ReflectColor

Excellent developer, prompt, reliable and professional. Will use again.

+1 mais

Ismail J.

@IJalias

•

há 6 anos

5,0

$400,00 USD

Create a WMS (Web Map Service) from data s in Mongo and rendered with Mapnik.

Howdy.. I don't remember why we left this project but it wasn't the fault of the contractor. I'm just cancelling the project

Python

Software Architecture

Cartography & Maps

NoSQL Couch & Mongo

Geospatial

Will M.

@wmachugh

•

há 6 anos

5,0

$326,41 USD

Create GPS tracking system by using Microsoft SQL Server and ASP.NET MVC

This is second that we worked together, highly skilful and dedicated GIS expert, and also very pleasant person.

Danijela S.

@SilveSur

•

há 6 anos

Educação

M.Sc. Information Systems and Technologys (Faculty of Organizational Sciences)

Serbia

2009 - 2011

(2 anos)

Qualificações

Faculty of Organizational Sciences, University of Belgrade

2011

Publicações

Application of USLE, GIS, and Remote Sensing in the Assessment of Soil Erosion Rates in Southeastern Serbia

Polish Journal of Environmental Studies

The assessment of soil erosion rate and its spatial distribution in the hilly-mountainous Nisava River basin was conducted by Universal Soil Loss Equation (USLE) model through a GIS-based approach. A Landsat 7 Enhanced Thematic Mapper (ETM+) image and normalized difference vegetation index (NDVI) were used for the determination of crop management factor. The average annual soil loss was estimated at 13.1 t·ha-1·yr-1, classifying the Nisava River basin under the high erosion rate category. Abou

Spatial modelling of soil erosion potential in a mountainous watershed of South-eastern Serbia

Springer

This work aims at the assessment of soil erosion rate and its spatial distribution in hilly mountainous Nisava River Basin (South-eastern Serbia) with a surface area of approximately 2,848 km2. The study was conducted using Universal Soil Loss Equation (USLE) model due to its modest data demand and easy comprehensible structure. The erosion factors of USLE were collected and processed through a GIS-based approach. Landsat 7 Enhanced Thematic Mapper (ETM+) image and normalized difference vegetation index (ND