uw-gis list-serve
DESCRIPTION
UW-GIS list-serve. http://gis.washington.edu/uw_gis_l/index.html. http://gis.washington.edu. Overview. Importing data ArcInfo interchange file ArcInfo generate file Spatial Data Transfer Standard (SDTS) files USGS DEM (raster) data USGS DLG (vector) data DRG. Overview. Importing data - PowerPoint PPT PresentationTRANSCRIPT
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UW-GIS list-serve
http://gis.washington.edu/uw_gis_l/index.html
http://gis.washington.edu
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Overview
• Importing data– ArcInfo interchange file
– ArcInfo generate file
– Spatial Data Transfer Standard (SDTS) files• USGS DEM (raster) data
• USGS DLG (vector) data
– DRG
![Page 3: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/3.jpg)
Overview
• Importing data– ArcInfo interchange file– ArcInfo generate file– Spatial Data Transfer Standard (SDTS)
files• USGS DEM (raster) data• USGS DLG (vector) data
– DRG
![Page 4: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/4.jpg)
Importing data: ArcInfo interchange file (.E00)
• ArcInfo format
• Very common file format for movement of data
• Known as “interchange,” “export,” or “E00” file
• Solves ArcInfo file system problem for data sharing
• Easy to transfer from machine to machine or across file system; easy to distribute via the Network
• Can be imported to ArcMap
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Importing data: ArcInfo file structure
Files associated with an ArcInfo coverage
some of these files
are associated withthis data set
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Importing data: ArcInfo file structure
• Problematic file structure for file management• Directories for ArcInfo data sets cannot be
altered, copied, or moved arbitrarily• Interchange file “packages” the coverage
directory and info files into a single file• Interchange file can be copied or moved and
then imported• Importing recreates original file structure
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Importing data: ArcInfo file structure: ArcToolbox
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Overview
• Importing data– ArcInfo interchange file– ArcInfo generate file– Spatial Data Transfer Standard (SDTS)
files• USGS DEM (raster) data• USGS DLG (vector) data
– DRG
![Page 9: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/9.jpg)
ArcInfo generate file
ASCII coordinates in formatted file created by ArcInfo Workstation
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ArcInfo generate file
Imported with ArcCatalog
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Overview
• Importing data– ArcInfo interchange file– ArcInfo generate file– Spatial Data Transfer Standard (SDTS)
files• USGS DEM (raster) data• USGS DLG (vector) data (*.ddf)
– DRG
![Page 12: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/12.jpg)
Importing data: SDTS files
• Spatial Data Transfer Standard
• Publicly available data sets
• Distributed by USGS in SDTS file format– USGS digital elevation model (DEM)
data
– USGS digital line graph (DLG) vector data
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Importing data: SDTS files: USGS DEM data
Imported with ArcToolbox
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Overview
• Importing data– ArcInfo interchange file– ArcInfo generate file– Spatial Data Transfer Standard (SDTS)
files• USGS DEM (raster) data• USGS DLG (vector) data
– DRG
![Page 15: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/15.jpg)
Importing data: SDTS files: USGS DLG data
• Digital Line Graph (DLG)• Vector format data• Publicly available data sets• Distributed in SDTS file format• ArcInfo Workstation needed for full
conversion of SDTS to GIS data sets
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Importing STDS DLG
• ArcToolbox import
limited attributes
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Use ArcInfo Workstation for a full conversion
DLG to ArcInfo coverage
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DLG to ArcInfo coverage
Fully converted data set has full attribute coding
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Overview
• Importing data– ArcInfo interchange file– ArcInfo generate file– Spatial Data Transfer Standard (SDTS)
files• USGS DEM (raster) data• USGS DLG (vector) data
– DRG
![Page 20: UW-GIS list-serve](https://reader035.vdocuments.us/reader035/viewer/2022062517/56812e55550346895d93fbc1/html5/thumbnails/20.jpg)
DRG
• Digital Raster Graphic (DRG)– USGS topographic quadrangles– Scanned– Georeferenced– TIFF format
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DRGDigital Raster Graphic
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Homework
Read: “Data Sources” and “Data Import”
Start: Assignment 8