Developer's Guide - MapGuide Open Source - OSGeo

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Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Understanding Services . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Chapter 2 Interacting With Layers . . . . . . . . . . . . . . . . . . . . . . 23 Overview of Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Basic Layer Properties . . . . . . . . . . . . . . . . . . . . . . . . 24 Layer Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Base Layer Groups . . . . . . . . . . . . . . . . . . . . . . . 25 Layer Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Layer Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Example: Actual Visibility . . . . . . . . . . . . . . . . . . . 26 Refresh and Zoom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Enumerating Map Layers . . . . . . . . . . . . . . . . . . . . . . . . . 28 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Manipulating Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Changing Basic Properties . . . . . . . . . . . . . . . . . . . . . 29 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Changing Visibility . . . . . . . . . . . . . . . . . . . . . . . . . 30 Chapter 3 Working With Feature Data . . . . . . . . . . . . . . . . . . . . 33 Overview of Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Querying Feature Data . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Feature Readers . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Selecting with the Web API . . . . . . . . . . . . . . . . . . . . . 35 Basic Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Spatial Filters . . . . . . . . . . . . . . . . . . . . . . . . . 37 Example: Listing Selected Features . . . . . . . . . . . . . . . . . 39 Active Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Selecting with the Viewer . . . . . . . . . . . . . . . . . . . . . . 42 Passing Viewer Information to the Web Server . . . . . . . . . . . 43 Additional Parameters to an Invoke URL Command . . . . . 44 Passing Parameters From an Invoke Script command . . . . 44 Passing Parameters From the Task Pane Frame . . . . . . . . 45 Working With the Active Selection . . . . . . . . . . . . . . . . . 46 Example: Listing Selected Parcels (AJAX Viewer) . . . . . . . 47 Example: Listing Selected Parcels (DWF Viewer) . . . . . . . 49 Setting the Active Selection With the Web API . . . . . . . . . . . 50 Example: Setting the Active Selection . . . . . . . . . . . . . . . 50 Chapter 4 Modifying Maps and Layers . . . . . . . . . . . . . . . . . . . . 55 iv | Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Adding An Existing Layer To A Map . . . . . . . . . . . . . . . . . . . 56 Creating Layers By Modifying XML . . . . . . . . . . . . . . . . . . . . 56
Another Way To Create Layers . . . . . . . . . . . . . . . . . . . . . . 59 Example - Creating A Layer That Uses Area Rules . . . . . . . . . 63 Example - Using Line Rules . . . . . . . . . . . . . . . . . . . . . 64 Example - Using Point Rules . . . . . . . . . . . . . . . . . . . . 65 Adding Layers To A Map . . . . . . . . . . . . . . . . . . . . . . . . . 67 Making Changes Permanent . . . . . . . . . . . . . . . . . . . . . . . 70 Chapter 5 Analyzing Features . . . . . . . . . . . . . . . . . . . . . . . . 71 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Representation of Geometry . . . . . . . . . . . . . . . . . . . . . . . 72 Geometry Objects . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Comparing Geometry Objects . . . . . . . . . . . . . . . . . . . 73 Coordinate Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Measuring Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Temporary Feature <strong>Source</strong>s . . . . . . . . . . . . . . . . . . . . . . . . 76 Inserting, Deleting, and Updating Features . . . . . . . . . . . . . 79 Creating a Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Chapter 6 Digitizing and Redlining . . . . . . . . . . . . . . . . . . . . . 89 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Digitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Redlining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Passing Coordinates . . . . . . . . . . . . . . . . . . . . . . . . . 91 Creating a Feature <strong>Source</strong> . . . . . . . . . . . . . . . . . . . . . . 92 Creating A Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Chapter 7 Custom Output . . . . . . . . . . . . . . . . . . . . . . . . . . 95 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Rendering Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Mapping Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Contents | v
Page 1 and 2: MapGuide Open Source Developer’s
Page 3: Contents Chapter 1 Introduction . .
Page 8 and 9: What This Guide Covers This guide d
Page 11 and 12: This next sample MapGuide page disp
Page 13 and 14: Example Code This sample illustrate
Page 15 and 16: echo 'Map ' . $map->GetName() . ' u
Page 17 and 18: displays the spatial reference syst
Page 19 and 20: Viewer Frames Most custom MSPs disp
Page 21 and 22: Viewer Sample Application - Zoom
Page 23 and 24: Embedding a Viewer in Your Own Page
Page 25 and 26: Resources and Repositories A MapGui
Page 27: $mapDefId = new MgResourceIdentifie
Page 30 and 31: Overview of Layers Layers represent
Page 32 and 33: Layer Style Layer Visibility The da
Page 34 and 35: function OnPageLoad() { parent.Zoom
Page 36 and 37: MgInitializeWebTier ($webconfigFile
Page 39 and 40: Working With Feature Data 3 In this
Page 41 and 42: Querying Feature Data In order to w
Page 43 and 44: Examples These examples assume that
Page 45 and 46: $districtQuery = new MgFeatureQuery
Page 47 and 48: $districtQuery = new MgFeatureQuery
Page 49 and 50: There are different selection tools
Page 51 and 52: Script command. See Example: Listin
Page 53 and 54: 4 Initialize the MgSelection object
Page 55 and 56:
the $layerClassName = $layer->GetFe
Page 57 and 58:
The PHP code in this example create
Page 59 and 60:
$resourceService = $siteConnection-
Page 61 and 62:
Modifying Maps and Layers In this c
Page 63 and 64:
This example ■ loads a layer that
Page 65 and 66:
} // ... The page then goes on to s
Page 67 and 68:
Function CreateScaleRange() CreateA
Page 69 and 70:
Function CreateLineTypeStyle() Crea
Page 71 and 72:
... //-----------------------------
Page 73 and 74:
Adding Layers To A Map The precedin
Page 75 and 76:
function add_layer_resource_to_map(
Page 77 and 78:
Analyzing Features In this chapter
Page 79 and 80:
■ MgLineString — a series of co
Page 81 and 82:
To create an MgCoordinateSystem obj
Page 83 and 84:
■ Determine the SRS for the featu
Page 85 and 86:
Inserting, Deleting, and Updating F
Page 87 and 88:
Example $queryOptions = new MgFeatu
Page 89 and 90:
} The geometries for the selected f
Page 91 and 92:
$map->Save($resourceService); The f
Page 93 and 94:
} 'ResourceId')->item(0); $featureS
Page 95 and 96:
Digitizing and Redlining In this ch
Page 97 and 98:
For example, see task_pane_redlinin
Page 99 and 100:
Create a temporary feature source t
Page 101 and 102:
Custom Output In this chapter ■ I
Page 103 and 104:
■ Images can be copied to the Win
Page 105:
$dwfVersion = new MgDwfVersion("6.0
Page 108 and 109:
G geographic coordinates 74 geometr
Page 110:
Viewer, embedded in HTML page 17 Vi
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Developer's Guide - MapGuide Open Source - OSGeo

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