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MapInfo Tab File, Example, GeoTIFF, Header File

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MapInfo Tab File MapInfo uses a tab file (.TAB) to georeference a raster image. It contains control points to map pixel coordinates in a raster image to world or map coordinates. To work in Autodesk MapGuide Author, you need to specify the control points so that linear scaling is possible. The raster image formats supported by the MapInfo tab file are: GIF, TGA, CALS, PNG, BMP, JPEG, and TIFF. Following is an example of a tab file. Example !table !version 300 !charsest WindowsLatin1 Definition Table: File "dublinca.tif" Type "RASTER" (6144414, 2088370) (0,0) Label "Pt 1" (6144416, 2088370) (1,0) Label "Pt 2" (6144414, 2088370) (0,1) Label "Pt 3" CoordSys Earth Projection 3, 74, "ft", 120.50, 36.50, 38.43, 37.07, 2000000, 500000 Units "ft" RasterStyle 2 74 GeoTIFF A GeoTIFF file is an extended version of the TIFF format with embedded georeference information inside one or more of its tags. A single file contains both the raster image and its georeference information. Refer to the GeoTIFF format specification for more information. Header File A header file is an ASCII text file containing keywords and values for specifying the georeference information of the raster image. This format works only with the GeoSPOT BIL raster image format. Following is an example of a header file. 102 | Chapter 5 Working with Data in Autodesk MapGuide

Section	Page
Introduction	9
Overview	10
Key Features of Autodesk MapGuide	10
Autodesk MapGuide Viewer Key Features	10
Autodesk MapGuide Author Key Features	11
Autodesk MapGuide Server Key Features	12
What’s New in Release 5?	12
What’s New in Autodesk MapGuide Author 5?	13
Map Explorer and Layer Groups	13
Continuous Panning and Zooming	13
Enhanced Printing	13
Support for Multiline Text and Labels on Maps	13
Enhanced Symbol and Text Support	13
Custom URL for Viewer Help	13
What’s New in Autodesk MapGuide Server 5?	14
Easy Installation	14
Support for OLE DB Providers	14
Support for Data Extensions	14
Support for Autodesk OnSite	14
Support for Autodesk MapGuide LiteView Extension	14
What’s New in Autodesk MapGuide Viewer 5?	15
Redlining	15
Continuous Panning and Zooming	15
Layer Groups	15
Help Available from the Toolbar	15
Enhanced Printing	15
Improved API	15
System Requirements	16
Autodesk MapGuide Author Requirements	16
Autodesk MapGuide Server Requirements	16
Autodesk MapGuide Viewer Requirements	17
Autodesk MapGuide Plug-In Viewer Requirements	17
Autodesk MapGuide ActiveX Control Viewer Requirements	17
Autodesk MapGuide Viewer Java Edition Requirements	17
What’s the Fastest Way Through This Book?	18
I’m just getting started with Autodesk MapGuide.	18
I already have Autodesk MapGuide up and running.	18
I just want to know what tasks to do for my job.	18
Conventions Used in This Manual	21
Where to Get More Information	22
Autodesk MapGuide Documentation	22
Autodesk MapGuide Help	22
Autodesk MapGuide Viewer API Help	22
Autodesk MapGuide SDF Loader Help	22
Autodesk MapGuide SDF Component Toolkit Help	23
Autodesk MapGuide Raster Workshop Help	23
Autodesk MapGuide Viewer Help	23
Autodesk MapGuide User’s Guide	23
Autodesk MapGuide Developer’s Guide	23
Autodesk MapGuide ReadMe File	24
Third-Party Documentation	24
Autodesk MapGuide Web Site	24
Online Discussion Groups	25
Autodesk Developer Network	25
Understanding Autodesk MapGuide	27
What Is Autodesk MapGuide?	28
Understanding Layers	28
How Autodesk MapGuide Works	29
How Autodesk MapGuide Components Work Together	30
Map Authoring Components	31
Autodesk MapGuide Author	31
Autodesk MapGuide Data Extensions	31
Autodesk MapGuide SDF Loader	31
Autodesk MapGuide SDF Component Toolkit	32
Autodesk MapGuide Raster Workshop	32
Map Viewing Components	33
Web Browser	33
Autodesk MapGuide Viewer	33
Autodesk MapGuide LiteView Extension	34
Map Serving Components	34
Web Server	34
Autodesk MapGuide Server	34
MapAgent	35
Server Service	35
Autodesk MapGuide Server Admin	35
Application Development Components	35
Client-Side Application Components	36
HTML Pages	37
Autodesk MapGuide Viewer API	37
Web Browser APIs	38
Stand-alone Applications	38
Server-Side Applications	38
Reports	39
User-Updatable Map Resources	39
What Is Autodesk MapGuide Application Development?	40
Overall Strategy	41
Phase One: Installation and Testing	41
Phase Two: Planning and Design	42
Phase Three: Implementation	43
Designing Your System	45
Planning Your Directory Structure	46
Directory Structure Guidelines	46
Security	48
Using Windows NT or Windows 2000 Security	48
Using Web Server Security	48
Using Autodesk MapGuide Security	49
Controlling Access to Maps	49
Controlling Map Layer Access to Data Sources	49
Controlling User Access to Resources	50
Accessing Data from the Autodesk MapGuide Viewer API	51
Architecture and Performance	51
Which MapAgent to Install	51
Using a Remote MapAgent	52
Standardizing on UDP or TCP	53
Using Multiple Servers	53
Understanding Multiple Simultaneous Server Requests	53
Distributed Data vs. Mirrored Systems	54
Setting up Multiple Servers	56
Data File Placement	57
Additional Performance Considerations	57
Site Configuration	57
Map Authoring	58
Data Preparation	58
Choosing a Viewer/Browser Environment	59
Assembling and Administering Your Server	63
Setting Up Your Server	64
Before You Install Autodesk MapGuide Server	64
Log On with Administrative Rights	64
Verify Your System Requirements	64
Remove Autodesk MapGuide Server 4.1 for VISION*	65
Install Your Web Server Software	65
Installing Microsoft Internet Information Server	66
Installing a Netscape Web Server	66
Testing Your Web Server	67
Setting Up the MapAgent	67
Setting Up a Remote MapAgent	67
Configuring for Load Balancing	68
Firewalls	69
Installing a Report Engine	71
Configuring Autodesk MapGuide Server under a Different Account	71
Autodesk MapGuide Server Admin Overview	71
Starting and Stopping the Server	72
Setting Autodesk MapGuide Server Properties	73
Setting General Server Properties	74
Setting Up Your Data Sources	74
Managing Your Data Sources	75
Managing Server Security	76
Access Keys Versus User IDs and Passwords	76
Choosing the Best Security Method	77
Creating and Modifying Users and Groups	78
Assigning Users to the Authors Group	79
Creating and Modifying Access Keys	80
Restricting Access to Resources	81
Taking Data Sources Offline	82
Tracking Server Requests	83
Log Files	83
Access Log	84
Error Log	84
Trace Log	84
Map Layer Access Log	84
Usage Reports	84
Renaming Log Files	85
Rotating the Log Files	85
Customizing the Access Log	86
Customizing the Map Layer Access Log	86
Adding Geocoding Data	87
Working with Data in Autodesk MapGuide	89
Basic Steps for Working with Data	90
Working with Spatial Data	90
Map Features	91
Points	91
Lines/Polylines/Polypolylines	91
Polygons/Polypolygons	91
Text	92
Creating a Spatial Data File	92
Autodesk MapGuide SDF Loader	93
Autodesk MapGuide SDF Component Toolkit	93
Working with Attribute Data	93
Linking Attribute Data to SDFs	93
Linking Attribute Data to Another Database	94
Preparing Attribute Data for Themes	94
Setting Up Your Attribute Database	95
Zoom Goto Data	96
Zoom Goto Location Categories	96
Zoom Goto Address (Geocoding) Data	96
Working with Raster Images	97
Raster Image File Formats	97
Tiled TIFFs	98
Raster Image Catalog Files	98
Raster Image Catalog File Format	99
Generating Raster Image Catalog Files	100
Georeference File Formats	100
ESRI World File	100
MapInfo Tab File	102
Example	102
GeoTIFF	102
Header File	102
Example	103
Exporting from ER Mapper	104
Adding Raster Images to Your Map	104
Working with Symbols	104
Working with Other Types of Spatial Data	105
Spatial Data Providers	105
VISION* Theme Data	105
Using MapTips and URL Links	105
Parsing Map Feature Keys	106
Discrepancies in the Data Conversion	107
Planning and Designing Maps	109
Planning the Data	110
Planning Layers	110
Designing the Map	112
About Coordinate Systems	112
About Coordinate Precision	113
Choosing a Coordinate System	113
Creating a Design Spreadsheet	114
General Guidelines	115
Information You Need from Your Autodesk MapGuide Server Administrator	116
Getting Familiar with Autodesk MapGuide Author	117
Installing Autodesk MapGuide Author	118
Starting Autodesk MapGuide Author	119
About Map Window Files (MWFs)	120
Introduction to the Program Window Layout	120
Using the Map Window Popup Menu	121
Using the Toolbar	123
Setting Preferences	125
Opening a Map	126
Moving Around on a Map	126
Zooming to a Location	128
Zooming to a US Street Address or ZIP Code	128
Using Bookmarks to Save the Current Map View	129
Using the Map Explorer	129
Using the Design Tab	130
Using the View tab	131
Changing the Width of the Map Explorer	132
Viewing Map Information	132
Measuring Distances	133
Selecting Map Features	134
Creating Buffers around Map Features	135
Printing a Map	135
Creating and Publishing aMap	137
Creating a New Map	138
Changing the File to Use for New Maps	138
Specifying a Coordinate System	138
Specifying a Password to Protect a Map	139
Creating and Modifying Zoom Goto Location Categories	140
Data Source Format for Zoom Goto Location Categories	140
The US Street Address Location Category	141
Customizing the Popup Menu	142
Working with Reports	142
Viewing a Report	143
Tracking User Access to a Map	144
Saving a Map	144
Publishing a Map	145
Working with Map Layers	147
About Map Layers	148
Working with Map Layers in the Map Explorer	149
Creating a Vector Layer	150
Creating a Raster Layer	151
Creating a VISION* Theme Layer	152
Creating an AutoCAD DWG Layer	152
Creating a Layer Group	152
Specifying General Properties for Layers	153
Specifying Data Source Properties for Layers	153
Setting Style Properties for Layers	155
Setting Style Properties for Raster Layers	156
Specifying Display Ranges for Layer Styles	157
Specifying Map Layer Styles	158
Specifying Size Units for Text and Point Layers	158
Setting Display Styles for Point Layers	159
Setting Display Styles for Text Layers	160
Setting Display Styles for Polyline Layers	161
Setting Display Styles for Polygon Layers	162
Creating Themes	163
Specifying Layer Feature Labeling and Overposting	163
Specifying Security for Layers	164
Modifying Multiple Layers Simultaneously	165
Saving a Layer	165
Adding a Saved Layer to the Current Map	166
Rebuilding a Layer or Layer Group	166
Deleting a Layer or Layer Group	167
Glossary	169
Index	177
Symbols	177
A	177
B	178
C	178
D	179
E	180
F	180
G	180
H	180
I	180
J	181
K	181
L	181
M	182
N	183
O	183
P	183
Q	184
R	184
S	184
T	185
U	185
V	186
W	186
X	186