Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation...
-
Upload
gerald-owen -
Category
Documents
-
view
227 -
download
0
description
Transcript of Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation...
![Page 1: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/1.jpg)
Table formatsArcGIS reads table in many formats:
dBase format (shapefile) INFO format (workstation ArcInfo)Geodatabase table (MS Access in
case of personal geodatabaseText file (comma or tab-delimited
meaning field separated by commas)
![Page 2: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/2.jpg)
Tables• Tables contain attribute data• Many formats, one interface
![Page 3: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/3.jpg)
Table Properties
![Page 4: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/4.jpg)
How do you display 2 tables side by side?
![Page 5: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/5.jpg)
Fields• Fields have specific types available• Must be defined before use• Once defined, cannot be changed
![Page 6: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/6.jpg)
Field types in TablesExample:
Name: SueDOB: 5/15/1985Weight: 135 lbHeight: 5.7 feetSS#: 222555999
Text Date Short Long BLOB FloatSue 5/15/1985 135 222555999 5.7
![Page 7: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/7.jpg)
Field characteristics• Length
– The total characters a text field can storeLength = 10Maple St.Maple Stre
![Page 8: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/8.jpg)
Field characteristics
Precision 3: 256Precision 8: 1965.128Precision 10: -1922.5500
Scale 3: 0.001Scale 5: 0.00001
• Precision–The total width of digits a numeric field can store
• Scale–The number of decimal places
![Page 9: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/9.jpg)
Scale & PrecisionWhen defining a number field (float & double), designate a storage width (precision) and the number of decimal places (scale)
![Page 10: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/10.jpg)
SQL Queries
![Page 11: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/11.jpg)
What is this map showing?
![Page 12: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/12.jpg)
How do I select all the Democratic districts?
![Page 13: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/13.jpg)
How do I select all the Democratic districts?
![Page 14: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/14.jpg)
True or False?• A field named AREA in a shapefile will always have
the correct area?– False.
• A field named AREA in a Geodatabase will always have the correct area?– False.
![Page 15: Table formats ArcGIS reads table in many formats: dBase format (shapefile) INFO format (workstation ArcInfo) Geodatabase table (MS Access in case of personal.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ae27f8b9ab0599779e8/html5/thumbnails/15.jpg)