ANNOUNCEMENTS

• Jobs– Nevada Bureau of Mines & Geology– Washoe County– City of Sparks– Others: DRI (Tim Minor)

Data ConversionData Conversion

Can your data be read by me?Can your data be read by me?

Can my data be read by you?Can my data be read by you?

What software do you use?What software do you use?

Are there any standards for data conversion?Are there any standards for data conversion?

NSDI sets standards!!!NSDI sets standards!!!

SDTS:SDTS: Spatial Data Transfer SystemSpatial Data Transfer SystemMost Federal agencies produce data in this format.

ArcInfo supports this standard: SDTSIMPORT

Several processes must be run before you can run : SDTSIMPORT

winzip Tar SDTSIMPORT

SDTS2COV.aml SDTS2ARC.aml

Common File Formats:Common File Formats:

DXFDXF

SDTSSDTS

USGS DEMUSGS DEM

USGS DLGUSGS DLG

ArcInfo EXPORTArcInfo EXPORT

ArcInfo IMPORTArcInfo IMPORT

ArcView SHAPE filesArcView SHAPE files

Standard Data Transfer SystemStandard Data Transfer System

Digital Elevation ModelDigital Elevation Model

Digital Line graphDigital Line graph

AutoCAD engineering format

.shp .shx .dbfshp .shx .dbf

TIGER/LINETIGER/LINE TTopologically opologically IIntegrated ntegrated GGeographic eographic EEncoding and ncoding and RReferencing systemeferencing system

TIGER/LINE dataTIGER/LINE data

TIGER/Line 1999 (Bureau of the Census)TIGER/Line 1999 (Bureau of the Census)

TTopologically opologically IIntegrated ntegrated GGeographic eographic EEncoding and ncoding and RReferencing systemeferencing system

•The TIGER/Line files are a digital database of geographic features, such as:

• roads, • railroads, • rivers, • lakes, • political boundaries, • census statistical boundaries, etc.

LAB # 1LAB # 1

The purpose of this lab is to develop your skills in file conversion. In GIS there are data stored in many different types of format. In this lab you will be asked to convert 3 different types of data to an Arc/Info format.

All the files are located at:All the files are located at: ftp://ftp.nbmg.unr.edu/NBMG/gary/GIS_409/ftp://ftp.nbmg.unr.edu/NBMG/gary/GIS_409/

assign1_g.dem SDS20040223_092710-2.txt.gz (sdts data)TGR32031.zip (TIGER98 data)

G zip.exe tar.exe sdts2arc.exe WINZIP

assign1_topo.e00NV_BND.DXFCounties.zip 

Due September ?, 2003 (Thursday 5:30 p.m.)

Other formats:Other formats:

Adobe IllustratorAdobe Illustrator

PostscriptPostscript

RTLRTL

PIC to DXFPIC to DXF

End