River profiles in QGIS
One of the most used geomorphic parameters (both directly or to derive other parameters) is the river profile. Sometimes the […]
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
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
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,
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
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
Convert between shapefiles
Convert shapefiles as points, polylines polygons. It is very useful for example when required to join entities taken from points
ArcGIS 10 Manual PDF
Is available a manual for learning to use ArcGIS 10 (PDF), produced by Amy Hillier at the University of Pennsylvania,
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
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
How to calculate XY coordinates of the points in ArcGIS
To calculate the XY coordinates in the attribute table of a layer of points, you can do it with the