Franz's blog

GIS

River profiles in QGIS

One of the most used geomorphic parameters (both directly or to derive other parameters) is the river profile. Sometimes the estimation of this parameter can …

How to add a WMS in QGIS

When working with cartography, often you cannot have all the information you need stored in your device, instead you can remotely access and visualize using a …

How to transfer layers to GPS Garmin

The portable GPS devices are very helpful during field work given their increasingly capabilities and new functions. Sometimes it is useful to navigate using …

Download maps and upload to Garmin GPS

Visit the streets of anywhere in the world on your Garmin GPS with detailed maps of routes, points of interest, hotels, restaurants, fuel stations, tourist …

How to generalize or simplify points

In an area of 125 square kilometers with about 2000 sampling points distributed at a density between 10 to 500 meters, if high resolution is not a primary …

Create a nice map with shaded relief in ArcGIS

Once completed the hard work involved in making a map, beautiful presentation is how to add value, for more visual appeal to those who qualify our work, …

Convert between shapefiles

Convert shapefiles as points, polylines polygons. It is very useful for example when required to join entities taken from points generated from a GPS device, …

ArcGIS 10 Manual PDF

Is available a manual for learning to use ArcGIS 10 (PDF), produced by Amy Hillier at the University of Pennsylvania, includes tips on making maps, …

Joining data tables to shapefiles in ArcGIS

The Join tool allows you to merge two tables by a common identifier (ID), the data from both tables annexed by the ID, giving the ability to spatially …

How to generate map contour lines (isohyet, isothermal and isobaric)

The contour line on a map represent lines, straight or curved, describing the intersection of a surface by interpolating one or more horizontal planes, forming …

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