|Subject: [Hangout-NYLXS] advanced project based education
3D Printing is one of the most disruptive technologies around, and 3D
printers are changing the way we create and learn. These printers are
affordable, personal fabrication tools, compact enough to sit on any
desktop, and allow anyone at any skill level to become producers,
inventors and artists. Students participate in project-based learning
that is experiential in nature and has real-world applications. The
process of designing, inventing and fabricating exposes participants to
various career paths such as industrial design and engineering, and
allows them to directly engage with the tools used in those fields. 3D
modeling, capturing and printing engages students in the world around
them, kindles a curiosity about how machines work, how objects fit
together, and how the designers, architects, and inventors who build the
products, spaces and technology in their lives have found solutions to a
variety of design problems. These technologies have the potential to
transform the way we think about Science, Technology, Engineering and
Mathematics (STEM) education, and to inspire more young people to pursue
3D Printing GIS Data
Art Art Math Math Social Sciences Interdisciplinary Interdisciplinary
One powerful application of 3D printing is the ability to create
tangible objects that help students visualize information. Doug McCune
has created a utility application shp2stl to convert GIS data in a
shapefile format to a three dimensional model suitable for printing.
These images were created by Doug McCune from data from the 2014 Napa
Images from dougmccine.com
GIS is a computer system capable of assembling, storing, manipulating,
and displaying geographically referenced information (that is data
identified according to their locations).
The primary requirement for the source data is that the locations for
the variables are known. Location may be annotated by x,y, and z
coordinates of longitude, latitude, and elevation, or by such systems as
ZIP codes or highway mile markers. Any variable that can be located
spatially can be fed into a GIS. Also, different kinds of data in map
form can be entered into a GIS.
A shapefile stores nontopological geometry and attribute information for
the spatial features in a data set. The main file (.shp) contains a
fixed-length file header followed by variable-length records. Each
variable-length record is made up of a fixed-length record header
followed by variable-length record contents. An ESRI shapefile has 3 files:
In addition to the three basic files your dataset may include a *.prj
file (projection file). This file is very useful as it can tell you what
coordinate system the shapefile is in—something you will need to know if
you want your data to line up correctly. The .prj file contains a WKT
(Well-Known Text) string with the parameters for the map projection.
After you have your .shp file and your .prj file, you can create a
geojson file. You'll need this file to determine how to and if you can
extrude your shp file.
The .prj file tells you what coordinate system your data is in.
Common coordinate systems include:
Latitude/Longitude - measured in degrees
UTM (Universal Transverse Mercator) - measured in meters
Arkansas = Zone 15
California = Zone 10 or 11
State Plane - usually measured in feet
Teale Albers Equal Area (for California) - one coordinate system for
the whole state (rather than 2 zones for UTM)
The .prj file will also tell you what datum (an estimation of the shape
of the earth) that your data is using.
Common datums include:
WGS 1984 (World)
NAD 1983 (North American Datum calculated in 1983 - very close to
NAD 1927 (North American Datum calculated in 1927 - not as accurate
as NAD 1983)
If you have a .prj file you can use this webpage prj2epsg.org to find
the datum. You will need this information to generate a geojson file.
This will allow you to determine if you can create an STL file from your
Be able to search for GIS data.
Be able to understand GIS data.
Be able to explain GIS data.
Be able to use GIS data to support an argument.
Access to the internet
Applications: Node, NetFabb, a Slicer
Convert ESRI Shapefile (.shp) to geoJSON (.json)
convert shapefiles to geojson via web interface
Defining Coordinate Systems in ArcMap
QGIS Training Manual
City of Dallas Shapefiles
City of Waterbury G.I.S.
ATLAS OF HISTORICAL COUNTY BOUNDARIES
If you would like to contribute to the curriculum, send your ideas or
lesson plans to SPO.
Submit your own software tool tip or tutorial and we'll feature it here.
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that Brooklyn, like Atlantis, reaches mythological
proportions in the mind of the world - RI Safir 1998
DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
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