Tag Archives: raster

Creating new colour ramps in gvSIG Online

As you knew a raster image could be represented using a ‘colour table’. These colour tables are generated from the colour ramps. In gvSIG Online we have a series of colour ramps but for customized cases that may be interesting … Continue reading

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Crear nuevas rampas de color en gvSIG Online

Como todos sabréis una imagen raster la podemos representar utilizando una ‘Tabla de color’. Esas tablas de color se generan a partir de rampas de color. En gvSIG Online disponemos de .una serie de rampas de color pero para ciertos … Continue reading

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Raster time series in an SDI: Temporary image mosaics in gvSIG Online

If a few days ago we presented the abilities of working in gvSIG Online with vector data in 4D, today we show you how you can also work with temporary series of images.

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Series temporales Ráster en una IDE: Mosaicos de imágenes temporales en gvSIG Online

Si hace unos días os presentábamos las capacidades de trabajar en gvSIG Online con datos vectoriales en 4D, hoy os mostramos cómo también puede trabajar con series temporales de imágenes.

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Imagen satelital con gvSIG Desktop: Video-tutoriales

El pasado año liberamos un curso en inglés denominado ‘Learn GIS for free’, que entre otros módulos incluía los relacionados al trabajo con imágenes satelitales. Hoy os traemos los vídeo-tutoriales relacionados con ese módulo subtitulados al castellano, gracias a la … Continue reading

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Learn GIS for free. Module 10: Digital Elevation Model analysis

We finish this free GIS course with the tenth module, where we show you how to work with Digital Elevation Models. Digital Elevation Models (DEMs) are raster files with elevation data for each raster cell. DEMs are popular for calculations, … Continue reading

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Learn GIS for free. Module 9: Raster reclassification and raster calculator

We continue with the ninth module of the free GIS course, where we continue to show you how to work with gvSIG Desktop, in this case working with raster reclassification and rasterization tools, and learning what can we do with … Continue reading

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Learn GIS for free. Module 8: Vegetation index and unsupervised classification

We continue with the eighth module of the free GIS course, where we continue to show you how to work with raster data in gvSIG Desktop, in this case calculating several parameters (NDVI, CTVI,…) related to vegetation index and learning … Continue reading

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Learn GIS for free. Module 7: Raster GIS. Working with Raster Data

We continue with the seventh module of the free GIS course, where we are going to show you how to work with raster data in gvSIG Desktop. With this module we start the second part of the course, focused on … Continue reading

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Aprende a trabajar con Modelos Digitales del Terreno y geoprocesamiento ráster con este vídeo-tutorial

Complementando el post en el que os enseñamos los secretos del geoprocesamiento vectorial, hoy veremos como podemos aplicar algunos de los algoritmos disponibles en gvSIG Desktop a las capas ráster en general, y a los Modelos Digitales del Terreno en … Continue reading

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