Category Archives: Geoinformatics

Multiple colors to features within a single shapefile

I have received one shape file from a friend, who has a lot of features and attributes. However, it is within a single shapefile. So, it is difficult to me to recognise their features, since QGIS is only displayed one colour. … Continue reading

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Soil & Water Assessment Model (SWAT) in QGIS

It is a good news that SWAT can be run in QGIS. This integration is known as QSWAT and can be download from the official website of SWAT (http://swat.tamu.edu/). I include a good tutorial that I found on the internet … Continue reading

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Import “starred places” into a My Map

There is a situation, you have saved several places in Google Maps and you want to display all those places in one map in Google Maps. How to do it? It is a way to do it, by using My … Continue reading

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Using HEC-GeoRAS for the HEC-RAS modelling

If you do HEC-RAS for the flood or water quality modeling, HEC-GeoRAS may help you. In general, HEC-GeoRAS is a plugin in ArcGIS, to help to process geospatial data from the raster image. 1) It is very helpful that allows … Continue reading

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Field Calculator in QGIS

In QGIS, if you want to calculate the real geometries (such as area, parameter, length etc.) of polygon/point based on the current coordinate system, we need using the field calculator.  If we use this calculator, we able to show the … Continue reading

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Menukar sistem koordinat menggunakan ArcGIS

Bila dapat shp files dari client dalam sistem koordinat kertau, mesti pening kepala. Mananya tidak, saya adalah pengguna QGIS dan function “on the fly” CRS transformation dalam QGIS sangat tidak membantu, berbanding function yang sama dalam ArcGIS. That why, ArcGIS sangat … Continue reading

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Protected: Hydrology and Hydraulics Software

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GIS Tutorials

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Protected: Source of global raster and vector datasets (free)

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Information and links of GIS

A geographic information system (GIS) is always amuse me. I like to explore this approach, expecially in integration with the hydrological and water resource researches. GIS can be defined as a system designed to capture, store, manipulate, analyze, manage, and present … Continue reading

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