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Image classification tutorial with QGis: 2- Data pre-treatment and exploring

Pre-processing functions are operations that are typically required before performing the main analysis and retrieval of the information. Pre-processing operations are divided into radiometric corrections and geometric corrections. Radiometric corrections include, but are not limited to,…

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Image classification tutorial with ArcMap: 2- Data pre-treatment and exploring

Pre-processing functions are operations that are typically required before performing the main analysis and retrieval of the information. Pre-processing operations are divided into radiometric corrections and geometric corrections. Radiometric corrections include, but are not limited to,…

Read More
  • Non classé

Image classification tutorial with QGis: 1- Introduction

Firstly, a warning: this tutorial is not intended for users whose job is spatial image processing. It is intended for GIS users who need to engage in image processing in order to improve their data. The…

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  • Non classé

Image classification tutorial with ArcMap: 1- Introduction

Firstly, a warning: this tutorial is not intended for those users whose job is spatial image processing . It is intended for GIS users who need to engage in image processing in order to improve their…

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  • Non classé

Display a shape file in Google Earth

Even if Google does not advertise, you should be aware that the Google Earth Pro license has become free since the beginning of 2015. Therefore, you can download, install and use Google Earth Pro without limitations,…

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How to edit a svg symbol (colour, stroke) in QGis

If you import or create svg symbols to use in QGis you will noticed that the colour change options and outline of these symbols are disabled in QGis. In fact, these settings are hard-coded in the…

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Recent comments

  1. Atilio Francois on Portable version of QGis 3.32.015 May 2025

    What is the link between the qgis update and the portable version? A portable version cannot be updated; it must…

  2. Hugo on Portable version of QGis 3.32.014 May 2025

    For me, the error message complaining that qgis_app.dll is missing started appearing following the most recent QGIS update.

  3. Atilio Francois on Portable version of QGis 3.32.07 May 2025

    Hello The problem with the portable version is that it's very dependent on the particular configuration of the machine. The…

  4. NotFred on Portable version of QGis 3.32.07 May 2025

    I have never had QGIS installed in my machine (it's a brand new laptop) and I get the same error,…

  5. Atilio Francois on Portable version of QGis 3.32.028 April 2025

    The file is present in the download ...\QGIS 3.32.0\QGIS 3.32.0\apps\qgis\bin The error message probably comes from a previous installation of…

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