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 concern, you … Read more
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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, especially in geological … Read more
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, then represent the shape of … Read more
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, georeferencing, modifying attributes, spatial joins, … Read more
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 represent external … Read more
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 gradients on the estimated variable … Read more
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 Add XY Coordinates tool from ArcToolbox. The steps to complete … Read more
Import XY data tables to ArcGIS
It is important to have tools to add UTM coordinates data from the GPS user recorded manually; this requires having the X, Y and / or Z inserted different fields … Read more
Insert pictures to the attribute table in ArcGIS
Store information within a Geodatabase, is a very good idea, but inserting images within the attribute table is a good addition to data management. It requires a geodatabase, then create … Read more
Define projection and project in ArcGIS
To understand the projections, it is necessary to know: What is the Projection and Datum? Projections are transforming the area or the reference ellipsoid on a flat surface, representing the … Read more
ArcGIS 10 official Tutorials PDF
The ArcGIS Resource Center provides official tutorials for learning ArcGIS 10, are divided into three sections, are available free, the practice files (ArcTutor) are part of the installation media ArcGIS … Read more