ISU GIS CENTER S ARCSDE USER'S GUIDE AND DATA CATALOG
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1 ISU GIS CENTER S ARCSDE USER'S GUIDE AND DATA CATALOG
2 2 TABLE OF CONTENTS 1) INTRODUCTION TO ARCSDE ) CONNECTING TO ARCSDE ) ARCSDE LAYERS ) LAYER FILES ) RESEARCH FEATURE DATASET
3 SECTION 1: INTRODUCTION TO ARCSDE 3
4 4 WHAT IS SDE? ArcSDE (Spatial database engine) is a system that stores spatial data in a database management system. ArcSDE manages spatial data using IBM DB2, IBM Informix, Microsoft SQL Server, or Oracle, and allows one to serve spatial data to remote clients. ArcSDE delivers spatial data to ArcGIS Desktop users through a direct, read-only connection from the client s machine to ArcSDE. WHAT DOES THIS MEAN FOR GIS USERS? ArcSDE allows remote users to access both raster and vector GIS datasets for use in their projects. The use of ArcSDE eliminates the need to download data and store it locally. This saves time and resources as well as simplifies file management for the client. An SDE connection keeps an active link to SDE data, regardless of where a map document file (MXD) is located (or moved to) on the client's computer. Because data is stored in a topological geodatabase format, accurate length and area is calculated and reported within the database. Users have read-only access to datasets on this network. HOW DO GIS USERS USE THIS INFORMATION? ArcSDE layers function identically to a shapefile or coverage in ArcMap, save for the fact that you are not allowed to edit the dataset.
5 SECTION 2: CONNECTING TO ARCSDE 5
6 6 CONNECTING TO ARCSDE If you are connecting to ArcSDE from a computer within the GIS Center, skip to Step 3. STEP 1: First, establish a host connection that will allow the client machine to communicate with the host server, Selway. To do this, modify the Hosts file on the client machine. This file is found in C:\Windows\SYSTEM32\DRIVERS\ETC\HOSTS 1. Open this file with NOTEPAD 2. At the end of the file (after the entry for localhost), type the IP address for Selway ( ), followed by a tab (or 5 spaces) and the name selway. Be sure to press a carriage return after selway STEP 2: Next, set up the client service. All ISU client connections have the same user name: sdeclient. Each client machine should have a service called "esri_sde" in its service file. The file "services" is found in C:\Windows\SYSTEM32\DRIVERS\ETC\. 1. Open this file with NOTEPAD 2. Add the following line into the file (followed by at least one carriage return if this is the last line of the file): esri_sde 5151/tcp #Esri ArcSDE server Note: This step is not mandatory since you can type "5151" for the service in step 3, instead of "esri_sde". However, entering the number will not allow you to access Layer files (see XXX). Therefore, modifying this file is considered quite important.
7 7 STEP 3A: CONNECTING WITH ARCGIS 10.0 OR EARLIER If you are connecting with version 10.1 or later, skip to Step 3b. 1. Launch ArcCatalog and double-click on Database Connections. 2. Double-click Add Spatial Database Connection and complete the form as indicated in Figure 1. a. Using "esri_sde" for the service entry is preferred over "5151". See Step 2, above. b. Use SDE_guest as the password for sdeclient 3. Click Test Connection. Note: a successful test connection gives no real indication short of a lack of error messages. 4. Click OK to establish the connection. Figure 1. Making your connection to SDE in ArcCatalog. After establishing a connection it is useful to rename the generated link with a more intuitive name. For example, logging on as an sdeclient to the sdeaoc database using default settings could be renamed sdeclient@sdeaoc@default.sde (cf. Error! Reference source not found. for a similar example).
8 8 Figure 2. Re-naming an established connection. Additional Information Note: The user sdeclient (password: SDE_guest) can view geospatial data stored in the sdeaoc database, but not add to the database or edit data stored in the database. STEP 3B: CONNECTING WITH ARCGIS 10.1 OR LATER If you have already made a connection using 10.0 or earlier, skip this step. You must connect using the Create ArcSDE Connection File tool found in ArcToolbox DATA MANAGEMENT TOOLS WORKSPACE---CREATE ARCSDE CONNECTION FILE. An example connection is shown below:
9 Once created as shown above, the connection file may be easier for users to locate as it can be placed in their normal workspace (see below) 9
10 SECTION 3: ARCSDE LAYERS 9
11 11 AOC_ASPECT SDEAOC.SDEMGR.AOC_ASP The Area of Concern s aspect model using an 80 meter spatial resolution Digital Elevation Model (DEM). The aspect model was created using ArcGIS. Data type: Raster AOC_BOUNDARY SDEAOC.SDEMGR.AOC_BOUNDARY The Area of Concern s boundary perimeter, covering part of the states of Idaho, Montana, Wyoming, Utah, and Nevada. Data type: Vector AOC_COUNTIES SDEAOC.SDEMGR.AOC_COUNTIES County boundaries within the perimeter of the Area of Concern for the states of Idaho, Montana, Wyoming, Utah, Nevada, and Colorado. Data type: Vector AOC_ELEVATION SDEAOC.SDEMGR.AOC_ELEV A Digital Elevation Model (DEM) for the Area of Concern with 80 meter spatial resolution. See layer file called AOC_Topography on page 20. Data type: Vector
12 12 AOC_FIRES_10YR SDEAOC.SDEMGR.AOC_FIRES_10YR Indicates where fires have burned over the past 10 years. Data type: Raster AOC_FIRES_36_06R SDEAOC.SDEMGR.AOC_FIRES_3606R Indicates where fires have burned from 1936 to Data type: Raster AOC_FIRES_36_06 SDEAOC.SDEMGR.AOC_FIRES_36_06 Indicates where fires have burned from 1936 to Data type: Vector AOC_GRAZINLAND SDEAOC.SDEMGR.AOC_GRAZINGLAND Bureau of Land Management, National Forest Service, and National Park Service grazing allotments for Southeast Idaho within the Area of Concern. Data type: Vector
13 13 AOC_GRAZINGLAND_NEW SDEAOC.SDEMGR.AOC_GRAZINGLAND_NEW Bureau of Land Management, National Forest Service, and National Park Service grazing allotments for Idaho. Data type: Vector AOC_HILLSHADE SDEAOC.SDEMGR.AOC_HS The Area of Concern s hillshade model derived from Slope and aspect models created in ArcGIS with 80 meter spatial resolution. See layer file called AOC_Topography on page 20. Data type: Raster AOC_IDAHO_WATERSHEDS SDEAOC.SDEMGR.AOC_IDAHO_WATERSHEDS Hydrologic Units (HUC s) for Southeast Idaho within the Area of Concern. AOC_LAKES SDEAOC.SDEMGR.AOC_LAKES Lakes and various bodies of water for Southeast Idaho within the Area of Concern
14 14 AOC_PLSS_SECTIONS SDEAOC.SDEMGR.AOC_PLSS_SECTIONS Public Land Survey System s (PLSS) Township and Range grid for Southeast Idaho within the Area of Concern. Data type: Vector AOC_ PUBLIC_LANDS SDEAOC.SDEMGR.AOC_PUBLIC_LANDS Public land owned by the Bureau of Land Management, The Bureau of Indian Affairs, the Department of Energy, The National Forest Service, the Military, National Parks And Monuments, private owners, the State of Idaho, and the U.S. Fish and Wildlife Service in Southeast Idaho within the Area of Concern. Data type: Vector AOC_QUADRANGLES SDEAOC.SDEMGR.AOC_QUADRAGLES 7.5 minute USGS Quadrangles for the Area of Concern. Data type: Vector AOC_RIVERS SDEAOC.SDEMGR.AOC_RIVERS Rivers and streams found within the perimeter of the Area of Concern.
15 15 AOC_ROADS SDEAOC.SDEMGR.AOC_ROADS Roads in Southeast Idaho found within the perimeter of the Area of Concern AOC_SLOPE_DEGREE SDEAOC.SDEMGR.AOC_SLPD Slope model in degrees derived from an 80 meter pixel Digital Elevation Model (DEM) in ArcGIS for the Area of Concern. Data type: Raster AOC_SLOPE_PERCENT SDEAOC.SDEMGR.AOC_SLPP Slope model in percent derived from an 80 meter pixel Digital Elevation Model (DEM) in ArcGIS for the Area of Concern. Data type: Raster AOC_STATES SDEAOC.SDEMGR.aoc_states The boundaries for the states of Idaho, Montana, Wyoming, Utah, and Nevada. These states have some part within the perimeter of the Area of Concern.
16 16 AOC_UTMZONES SDEAOC.SDEMGR.aoc_utmzones Zones 11, 12, and 13 of the Universal Transverse Mercator projection that are within the Area of Concern. BIG_LOST_RIVER_2000 SDEAOC.SDEMGR.BIG _LOST_RIVER_2000 The current course of the Big Lost River. BIG_LOST_RIVER_BRAIDED SDEAOC.SDEMGR.BIG_LOST_RIVER_BRAIDED Big Lost River with associated tributaries. FSA_ASPECT SDEAOC.SDEMGR.FSA_ASPECT The Focused Study Area s aspect model using a 27 meter resolution Digital Elevation Model (DEM). The aspect model was calculated in ArcGIS. Data Type: Raster
17 17 FSA_ELEVATION SDEAOC.SDEMGR.FSA_ELEV_1 A Digital Elevation Model (DEM) for the Focused Study Area with 27 meter spatial resolution. See layer file FSA_Topography on page 20. Data Type: Raster FSA_HILLSHADE SDEAOC.SDEMGR.FSA_HS The Focused Study Area s hillshade model derived from Slope and aspect models created in ArcGIS with 27 meter spatial resolution. See layer file FSA_Topography on page 20. Data Type: Raster FSAREA_QUADRANGLES SDEAOC.SDEMGR.FSA_QUADRANGLES 7.5 minute USGS Quadrangles for the Focused Study Area. FSA_SLOPE_DEGREE SDEAOC.SDEMGR.FSA_SLPD Slope model in degrees derived from a 27 meter pixel Digital Elevation Model (DEM) in ArcGIS for the Focused Study Area. Data Type: Raster
18 18 FSA_SLOPE_PERCENT SDEAOC.SDEMGR.FSA_SLPP Slope model in percent derived from a 27 meter pixel Digital Elevation Model (DEM) in ArcGIS for the Focused Study Area. Data Type: Raster IDAHO_CITIES SDEAOC.SDEMGR.IDAHO_CITIES Cities within the state of Idaho IDAHO_POPULATED_PLACES SDEAOC.SDEMGR.IDAHO_POPULATED_PLACES Populated places within the state of Idaho IDAHO_PRECIPITATION SDEAOC.SDEMGR.IDAHO_PRECIPITATION Recorded precipitation in inches within the state Idaho. Date Type: Vector
19 19 INL_BOUNDARY SDEAOC.SDEMGR.INL_BOUNDARY The perimeter of the Idaho National Engineering and Environment Laboratory (INEEL). LANDSAT_FOOTPRINT SDEAOC.SDEMGR.LANDSAT_FOOTPRINT The path and row flight lines for the Landsat satellite. Displays paths 38, 39, and 40 and rows 29, 30, and 31. SNAKE_RIVER SDEAOC.SDEMGR.SNAKE_RIVER The length of the Snake River as it crosses the width of Idaho. SNAKE_RIVER_PLAIN SDEAOC.SDEMGR.SNAKE_RIVER_PLAIN The area or valley that the Snake River runs through.
20 SECTION 4: LAYER FILES 20
21 21 USING ARCSDE LAYER FILES Ideally, layer files are meant to load all layers involved automatically. This does not always happen. Sometimes the layer file loses its data source information, as indicated by the red exclamation point in a grayed out box next to the layer file. To fix this, follow these instructions: 1) Right click on the layer that has the red exclamation point. Select Properties. See Fig. 1 2) Under properties, find the Source tab. Click Set Data Source. 3) Browse to your SDE connection and find the file that corresponds to that layer. See Fig. 2. 4) Repeat the above steps until all layers are fully displayed. If this problem occurs often, check your service and host files under C:\WINNT\System32\drivers\etc to see if they have been updated to support the ArcSDE service. If you are not sure how to check these files or if these files are not updated, follow the Connecting to ArcSDE instructions found on page 6 of this booklet. Figure 1: Opening Layer Properties Figure 2: Finding the SDE Layer
22 22 FSA_TOPOGRAPHY FSA_Topography.lyr An ArcMap Layer file (.lyr) containing the topography of the Focus Study Area. It is comprised of the Focus Study Area s Digital Elevation Model (DEM) and the Focus Study Area s hillshade model. These models are overlaid one another to describe the area s topography. ArcMap Layer File AOC_TOPOGRAPHY AOC_Topography.lyr An ArcMap Layer file (.lyr) containing the topography Of the Area of Concern. It is comprised of the Area of Concern s Digital Elevation Model (DEM) and the Area of Concern s hillshade model. These models are overlaid one another to describe the area s topography. ArcMap Layer File FSA_DRG_NORTHEAST FSA_DRG_NORTHEAST.lyr An ArcMap Layer file (.lyr) displaying mosaic of Digital Raster Graphics (DRG) for the northeast corner of the Focus Study Area. ArcMap Layer File FSA_DRG_NORTHWEST FSA_DRG_NORTHWEST.lyr An ArcMap Layer file (.lyr) displaying the mosaic of Digital Raster Graphics (DRG) for the north west corner of the Focus Study Area. ArcMap Layer File
23 23 FSA_DRG_SOUTHEAST FSA_DRG_SOUTHEAST.lyr An ArcMap Layer file (.lyr) displaying the mosaic of Digital Raster Graphics (DRG) for the southeast corner of the Focus Study Area. ArcMap Layer File FSA_DRG_SOUTHWEST FSA_DRG_SOUTHWEST.lyr An ArcMap Layer file (.lyr) displaying the mosaic of Digital Raster Graphics (DRG) for the southwest corner of the Focus Study Area. ArcMap Layer File
24 SECTION 5: RESEARCH FEATURE DATASET 24
25 25 WHAT IS A FEATURE DATASET? A feature dataset is equivalent to a directory or a folder in a computer operating system. It is used to help organize the data into a logical structure. It can contain feature classes and relationship classes, but not tables. University of Arizona Knowledge Base Website, WHAT IS A FEATURE CLASS? Feature classes in geodatabases are collections of features with the same type of geometry. If several feature classes share some spatial coincidence and a common spatial reference, they can be inserted into a feature dataset. Colin Childs, Migrating Coverages to Geodatabases, ArcUser, July to September, 2001 WHAT S INSIDE THE RESEARCH FEATURE DATASET YEAR 2XXX FIELD SAMPLES SDEAOC.SDEMGR.Y2xx_Field_Samples Within the Research feature dataset are point feature classes describing field sample points taken from 2000 to the present. In addition, relationship classes have been created that allow the user to automatically access related data in ArcGIS without the need to create joins and links. Examples of these additional data are vegetation details, fire history, grazing, and sagebrush sampling details. To view a detailed model of the Research Feature Dataset, visit (then open the "main" window under the fully expanded "<<Feature Dataset>> Research").
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