Infrastructure Modeling DevBlog

Autodesk Infrastructure Map Server(AIMS) API Training content : Part-1

By Daniel Du

Autodesk^® Infrastructure Map Server is a software platform for distributing spatial data over the Internet or on an intranet. In this chapter, you will know the features of AMIS, understand the architecture and different components of Map Server.

Infrastructure Map Server consists of numerous separate components, including:
       Autodesk^® Infrastructure Map Server
       Autodesk^® Infrastructure Web Server Extension (for application development)
      Autodesk^® Infrastructure Studio (for map authoring)
      Autodesk^® Infrastructure Application Extension (works with Oracle/SQL Server)
      Autodesk^® Infrastructure Administrator 
      Autodesk^® Infrastructure Mobile Viewer Extension
      Autodesk^® Infrastructure GeoREST Extension

Infrastructure Studio and the Infrastructure Map Server viewers are client applications of Infrastructure Map Server. Requests coming from these clients, and from the other client applications that you develop using the API, go to the Web Server Extension by means of HTTP protocol. The WebAgent component of the Web Server Extension processes the requests and forwards them on to Infrastructure Map Server. When it receives a request, Infrastructure Map Server accesses the resources stored in the resource repository, builds and renders the map as a static image for the viewer, and returns it to the Web Extensions, which in turn send it back to the client.

Autodesk^® Infrastructure Studio is an authoring environment that handles all aspects of collecting and preparing geospatial data for distribution on the Internet (except custom coding). You need to organize your data first before development.

Autodesk Infrastructure Map Server Wikihelp contains very useful document, please do check it out. In a series of blog posts in the coming days / months you will see most of the Infrastructure Map Server API training content (PDF) will be published here . This is chapter1, hope it helpful for you. All of our sample code has be posted here.

Manipulate non-feature class with Geospatial Platform API in Map 3D

By Daniel Du

Firstly what is feature class and non-feature class? Generally speaking, a Feature Class is a class with associated geometry, so that it is possible to create a layer in Map 3D or AIMS. A non-feature class just contains non-spatial data that can be used as a standalone or contained class has not geometry field. Geospatial Plat for API, which uses FDO, can manipulate both feature class and non feature class.

let’s say we have a feature schema as below, which is a SDF data source, there are two classes in the schema, one is feature class with Geometry field, another is non-feature class, just attribute fields.

 

If you connect to this data source in Map 3D, you will notice that the non-feature class is gray out as it cannot be added to map as layer.

 

Now let’s add some data into this non-feature class with Geospatial platform API. The important thing is to get the resource identifier of the data source, since it is connected to Map 3D and add a layer, I use following code to demo how to get the resource ID:

[CommandMethod("InsertNonFeatureClass")]
public void InsertNonFeatureClass()
{
    const string LAYERNAME = "River";
    MgFeatureService featuerSvc = AcMapServiceFactory
        .GetService(MgServiceType.FeatureService) 
        as MgFeatureService;
 
    //This is just for demonstration of the format of FeatureSourceId
    AcMapMap currentMap = AcMapMap.GetCurrentMap();
    MgLayerBase layer = null;
    MgLayerCollection allLayers = currentMap.GetLayers();
    foreach (MgLayerBase lyr in allLayers)
    {
        if (lyr.Name == LAYERNAME)
        {
            layer = lyr;
            break;
        }
    }
    //Just to demonstrate the format of FeatureSource
    string resId = layer.FeatureSourceId;
    System.Windows.Forms.MessageBox.Show(resId);
 
    //---------------------------
    //Library://River.FeatureSource
    //---------------------------
    //OK   
    //---------------------------
 
 
 
 
    // Insert into non-feature class
    MgResourceIdentifier featureSourceId = new MgResourceIdentifier(resId);
            
    string className = "DefaultSchema:RiverAttributes"; //feature class name
    MgPropertyCollection properities = new MgPropertyCollection();
            
    //ID is auto generated
    properities.Add(
            new MgStringProperty("Name", 
                                "Yangzi River"));
    properities.Add(
            new MgStringProperty("Desciption", 
                            "The longest river in China"));
    MgInsertFeatures insFeature = 
                new MgInsertFeatures(className, properities);
 
    MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
    commands.Add(insFeature);
 
    featuerSvc.UpdateFeatures(featureSourceId, commands, false);
 
}

 

here is the result in Data table:

 

From the code snippet, it is exactly the same as operating a feature class, with feature service. Actually for a feature class has been added to map as layer, there is a simple way, that is ：
"Layer.UpdateFeatures() "

This method actually call underlay feature service to update features. But if you want to update a non-feature class, that does not have a corresponding layer, you have to use the lower lever API - featureService.UpdateFeatures() as demoed in ditto code snippet. Please note that this concept also applies to AIMS as well, The code can be migrated to AIMS with only minor changes.

Hope this helps.

Running Industry Model Samples of AIMS

By Daniel Du

Similar with Map 3D industry model, Autodesk Infrastructure Map Server includes industry model as well if you installed Infrastructure Application Extension. It provides APIs for customization as well, and more than 100 sample projects are released with the project, they can be found in C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\AppExt\Development\Samples by default.

To run these samples, open CSSamples.sln in Visual Studio, this solution contains all sample projects in the folder, you can want to open specific one instead of opening them all.

Please not that some samples do not work for AIMS Application Extension(a.k.a Topobase Web or TBWeb), for example CSSample01. Let’s take a look at the tbp file. BTW, the tbp file is AutoCAD Map 3D/AIMS plugin definition file (identified by the .tbp extension), it should be copied to AppExt\Bin folder so that Map3D/AIMS knows about your plugin.

Let’s examine the tbp file:

<?xml version="1.0" encoding="utf-8"?>
<PlugIn>
 
	<Default
		AssemblyName="CSSample01.dll"
		Namespace="CSSample01"
		DocumentKey=""
		MapName=""
		Priority="100"
		ExecutionTargetWeb="False"
		ExecutionTargetDesktop="True"
		Company="Autodesk, Inc."
		Author="Map Engineering"
	/>
 
	<ApplicationPlugIn ClassName="MyApplication"/>
 
</PlugIn>

ExecutionTargetWeb = False, that means it is not supposed to be running in AIMS, it only works in Map 3D desktop. If you open Form1.cs, you will notice that it is just a  Windows Form, so that explains why it does not work for TBWeb.

public class Form1 : System.Windows.Forms.Form

 

So here is the question, which samples are supposed to run in AIMS(TBWeb)? Well, actually development team did quite a lot of work to unify the form in both Map 3D desktop and AIMS web environment. If you want your form runs on both Map 3D desktop and AIMS, you will derive your form from Autodesk.Map.IM.Forms.ApplicationForm. Let’s take a look at CSSample100.

namespace CSSample100
{
    public class Form1 : Autodesk.Map.IM.Forms.ApplicationForm
    {

…

And take a look at the tbp file of CSSample100:

<?xml version="1.0" encoding="utf-8"?>
<PlugIn>
 
	<Default
		AssemblyName="CSSample100.dll"
		Namespace="CSSample100"
		DocumentKey=""
		MapName=""
		Priority="100"
		ExecutionTargetWeb="True"
		ExecutionTargetDesktop="True"
		Company="Autodesk, Inc."
		Author="Map Engineering"
	/>
 
	<ApplicationPlugIn ClassName="MyApplication"/>
 
</PlugIn>

 

This sample application works for Map 3D desktop and AIMS Web application as well.

 

To run this sample on AIMS, please make sure that your output folder is set to C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\AppExt\Bin:

And set “Copy to Output Directry” tp “Copy always” or “Copy if newer”. Once the project is built successfully and the necessary files (dll and tbp) are copied to AppExt\Bin folder, you can launch a browser to open  your industry model (http://localhost/mapserver2013/appext/login.aspx ), I am using SQL Server here, it should be similar for Oracle.

Open the project:

A new button will appear in “Autodesk Industry Model Explorer”, and a web form will show up when clicking this button.

Please turn off pop-up blocker of your browser.

There are quit a lot other samples in C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\AppExt\Development\Samples, and the Map 3D document  on Wikihlep should be helpful to understand and run these sample.

Enable Hyperlink in Selection panel of Fusion Viewer

By Daniel Du

If you are migrating your application from Ajax Viewer(aka. Basic web layout) to Fusion Viewer(aka. Flexible web layout), you may notice that the hyperlink in selection panel does not work, it displays as raw HTML tags.

(In Fusion Viewer, not as expected )

(in Ajax Viewer, works well)

Here is the solution, you need to edit SelectionPanel.js in C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion\widgets. Search “renderFeature”(Around 384) and change code as below:

htmlDecode:function(str){
	var s = "";
	if(str.length == 0) return "";
	s =  str.replace(/>/g,   ">");
	s =  s.replace(/&lt;/g,     "<");
	s =  s.replace(/&nbsp;/g,   " ");
	s =  s.replace(/'/g,        "\'");
	s =  s.replace(/&quot;/g,   "\"");
	s = s.replace(/<br>/g,      "\n");
	return s;
},

renderFeature: function() {
var layerIdx = this.layerList.selectedIndex;
var featureIdx = this.featureList.selectedIndex;
var layerObj = this.oSelection.getLayer(layerIdx);
var nProperties = layerObj.getNumProperties();
var aNames = layerObj.getPropertyNames();

var table = document.createElement('table');

var thead = document.createElement('thead');
var tr = document.createElement('tr');
var th = document.createElement('th');
th.innerHTML = OpenLayers.i18n('attribute');
tr.appendChild(th);
var th = document.createElement('th');
th.innerHTML = OpenLayers.i18n('value');
tr.appendChild(th);
thead.appendChild(tr);
table.appendChild(thead);

var tbody = document.createElement('tbody');
table.appendChild(tbody);
for (var i=0; i<nProperties; i++) {
	var tr = document.createElement('tr');
	if (i%2) {
		tr.className = 'oddRow';
	}
	var th = document.createElement('th');
	th.innerHTML = aNames[i];
	var td = document.createElement('td');
	td.innerHTML = this.htmlDecode(layerObj.getElementValue(featureIdx, i));
			
	tr.appendChild(th);
	tr.appendChild(td);
	tbody.appendChild(tr);
}
this.featureDiv.innerHTML = '';
this.featureDiv.appendChild(table);
}

The idea is to decode the string value so that it can be rendered correctly. Please pay attention to the comma at the end of the the htmlDecode() function. Of cause you may add this utility function somewhere else to make the whole fusion project more organized, I just add it into SelectionPanel.js for simplicity.

Finally, you need to change the Javascriipt reference to the fusion.js in your template index.html, for example, C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion\templates\mapguide\slate\index.html if you are using Slate template:

<script type="text/javascript" src="../../../lib/fusion.js"></script>

 

Please refer to this post for more information about debugging as well.

FastCGI must be properly configured before attempting to connect to Map Server.

By Daniel Du

You may run into this error when logging Autodesk Infrastructure Map Server with Infrastructure Studio:

---------------------------
Unable to complete request to Site
---------------------------
FastCGI must be properly configured before attempting to connect to Map Server.

   

Here are something you need to check:

1. To make sure CGI is installed in IIS. Open Control Panel\All Control Panel Items\Programs and Features –> Turn Windows Features on or off, check CGI:

2. Disable “ASP.NET Impersonation” in IIS manager for MapServer2013. Click mapserver2013, select Authentication to open authentication page, select “ASP.NET Impersonation” and click “Disable” from right.

Make sure that this web application(mapserver2013) in running in MapServer2013AppPool:

3. Set the Enable 32bit applications to false. Click MapServer2013AppPool from Application Pools and click “Advanced Settings…” from right pane. Switch Enable 32bit applications to False.

 

You may want to check out this post as well.

Setting minimum and maximum scale for AIMS/MapGuide viewer

By Daniel Du

In the Ajax Viewer, you can force the minimum and maximum scale zoom available for the user by modifying the following values in the file ..\WebServerExtensions\www\viewerfiles\ajaxmappane.templ :

var minScale = 1000, maxScale = 100000000;

The minimum scale zoom in this example is 1:1000 and the maximum scale zoom 1:100000000

In Fusion Viewer you can modify the minscale value (about line 338) in the LoadMap.php in the fusion\layers\MapGuide\php folder and this appears to do the trick. The line number may be different in different releases. Please note that there are 2 LoadMap.php in AIMS, you need to to edit the one in

C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion\layers\MapGuide\php\LoadMap.php:

$minScale = "0";  //Edit this value

$maxScale = 'infinity'; // as MDF's VectorScaleRange::MAX_MAP_SCALE

 

Please note that this is a global setting, it applies to all layers even all web applications hosted in this MapServer. If you just want to change one specific layer, you can edit the layer definition:

<VectorScaleRange>
<<MinScale>500</MinScale>
<<MaxScale>10000</MaxScale> 
...

</VectorScaleRange>

It can be set in MapGuide Studio layer editor.

It can be done by API as well, using resource service. And further more, you can even make it user-specific by applying it to a temporary layer. Please refer the sample solution for a demo of resource resource(sokution3) and demo of temp layer(solution 5/6),they can be download from here.

Hope this helps.

Creating your first Android App to view Map from Autodesk Infrastructure Map Server(AIMS)

By Partha Sarkar

The very first step is setting up the development environment with SDK, Tools and configuring them correctly. I think, Building Your First App is the first place you need to go to understand what SDK, Tools are required and how to configure them.

 

Once you have completed your "Hello World" app and some of the tutorial android apps, you are almost ready to see how you can create a simple mapping application to view Map served from Autodesk Infrastructure Map Server.

 

In this example I used WebView class from Android APIs. Here is the code snippet :

import android.app.Activity;

import android.os.Bundle;

import android.webkit.WebView;

import android.webkit.WebViewClient;

 

public class AIMSWebViewActivity extends Activity {

 

 WebView mWebView;

 

 @Override

 public void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);

  setContentView(R.layout.main);

 

  // This initializes the member WebView

  // with the one from the Activity layout;

  // requests a WebSettings object with getSettings();

  // and enables JavaScript for the WebView with

  // setJavaScriptEnabled(boolean).

  // Finally, an initial web page is loaded with loadUrl(String).

 

  mWebView = (WebView) findViewById(R.id.webview);

  mWebView.getSettings().setJavaScriptEnabled(true);

  mWebView.getSettings().setBuiltInZoomControls(true);

  mWebView.loadUrl("http://www.MyAIMSSite.com/MapView/");

 

  // setContentView(mWebView); // this works too

 

  mWebView.setWebViewClient(new HelloWebViewClient());

 }

 

 private class HelloWebViewClient extends WebViewClient {

  @Override

  public boolean shouldOverrideUrlLoading(WebView view, String url) {

   view.loadUrl(url);

   return true;

  }

 }

}

 

Screenshot of Android AIMS Map View application :

   

 

And here is a short video of the same running in Emulator.

 

I hope this is useful to you!

Running Flexible Web Layouts Examples

By Daniel Du

I am following the “Flexible Web Layouts Examples” on MapServer 2013 wikihelp, and found that this wiki page is a little out-dated. I do not have time to fix them all, so I am just trying to blog how I make some of the examples running. In case you don’t know, the source code of these examples is available on the installation DVD in Samples\FlexibleWebLayoutsSamples.

 

The zip file, FlexibleWebLayoutsExamples.zip, contains source files. Unzip this into theinstallDir\WebServerExtensions\www folder with “Use folder names” selected in WinZip. It installs the following files:

• fusion\templates\mapguide\examples\*
• fusion\widgets\Example*.js
• fusion\widgets\widgetinfo\example*.xml
• fusion\widgets\example*\*

 

Run Example 1:

Example 1 demos how to create the simplest widget. After installing the code, you will find a new widget name “Example1” available in flexible web layout editor.

1. Create a new flexible web layout in Infrastructure Studio 2013 by c, select a template, I am using slate. Of cause, please make sure MapServer is running first.

2. Assign a map for the Map Tab, I am using the Sheboygan dataset.

3. I would like to add my test widget into “Toobar(Main Menu)”, you can also put it into other menu if you’d like to, so I switch to “Toobar(Main Menu)” tab, and click “New” in components available in this layout section:

4. You should see a mater type names as “Example1”, if not, try refresh. If it does not appear even after refreshing, then your probably made some mistakes at installation, a common problem is to install the JS/xml files into wrong folder, so please make sure you have same folder structure with the existing widgets. Select “Example1” as master type then click OK button.

5. Now I have a new component in the flexible web layout, you can change the ID as you will, I am using the default ID “Example1”:

6. Add this component into layout UI, dragging “Example1” into the window left side, a new button is created in main menu toolbar:

7. view in browser, and click “Example1” button in main menu toolbar, the “hello word” message shows up:

 

Running Example2

Example 1 is pretty simple, I will move next to Example2. Example 2 is a widget that is designed to be called as a command from a menu, it output the information of selected feature. It requires Mozilla^® Firefox^® 3.6 or higher and the Firebug extension because it writes to the Firebug console.

I am following the same process as example1 to add a new button into main menu toolbar, and browse it in Firefox this time. To run this example, I need to select some features first, then click  the “Example2 ” button.

Oops! I got an error message:

Fusion Error:
WARNING: Exception occurred in AJAX callback.
Message: theMap.getMapName is not a function
Location: http://localhost/mapserver2013/fusion/widgets/Example2.js (47)
Response: {"layers":["Parcels"],"extents":{"minx":-87.739602320342,"miny":43.765720296224,"maxx":-87.737804056497,"maxy":43.766709329904},"Parcels":{"propertynames":["RLDESCR1","RTYPE","RACRE","RLOT","RNAME","RLDESCR2","RLDESCR3","RBILAD","RSQFT","RLDESCR4"],"propertyvalues":["Description1","Zone","Acreage","Lot Dimensions","Owner","Description2","Description3","Billing Address","Lot Size (SqFt)","Description4"],"propertytypes":[9,9,9,9,9,9,9,9,7,9],"metadatanames":["dimension","bbox","center","area","length"],"numelements":15,"values":[["BRAND SUBD","RES","0.17","60X124","THIEME, ELAINE M","LOT 11 BLK 3","","2008 N. 25TH ST.","7440",""],["BRAND SUBD","RES","0.25","80X135","RAFFEL, JAMES E","LOT 3 &amp; THE N 20\\' OF LOT 4","BLK 2","2006 N. 24TH ST.","10800",""],["BRAND SUBD","RES","0.25","80X135","FUERST, ROBERT O","N 30\\' OF LOT 23 &amp; S 50\\' OF","LOT 24 BLK 2","2005 N. 25TH ST.","10800",""],["BRAND SUBD","RES","0.17","60X124","TUPPER, ANSEL JR","LOT 12 BLK 3","","2002 N. 25TH ST.","7440",""],["BRAND SUBD","RES","0.22","70X135","YANG, SHOUA PAO","THE S 40\\' OF LOT 4 &amp; THE N","30\\' OF LOT 5 BLK 2","2002 N. 24TH ST.","9450",""],["BRAND SUBD","RES","0.23","75X135","RAKOW, GLEN J.","N 45\\' OF LOT 22 &amp; S 30\\' OF","LOT 23 BLK 2","1919 N. 25TH ST.","10125",""],["BRAND SUBD","RES","0.17","60X124","MATELKO, RICHARD A.","LOT 13 BLK 3","","1918 N. 25TH ST.","7440",""],["BRAND SUBD","RES","0.28","90X135","CASTELLAN, MARY","THE S 30\\' OF LOT 5 &amp; ALL OF","LOT 6 BLK 2","1914 N. 24TH ST.","12150",""],["BRAND SUBD","RES","0.23","75X135","ROERDINK, JAMES P.","LOT 21 &amp; S 15\\' OF LOT 22 BLK","2","1913 N. 25TH ST.","10125",""],["BRAND SUBD","RES","0.22","75X125","PIONTKOWSKI, JOHN A.","S 45\\' OF LOT 15 &amp; N 30\\' OF","LOT 16 BLK 3","1904 N. 25TH ST.","9375",""],["BRAND SUBD","RES","0.19","60X135","HAMER, MARGARET J","LOT 19 BLK 2","","1849 N. 25TH ST.","8100",""],["BRAND SUBD","RES","0.19","60X135","BOPHA, DAVID &amp; MANYP","LOT 8 BLK 2","","1850 N. 24TH ST.","8100",""],["BRAND SUBD","RES","0.22","75X125","HORWITZ, DONALD","LOT 14 &amp; THE N 15\\' OF LOT 15","BLK 3","1912 N. 25TH ST.","9375",""],["BRAND SUBD","RES","0.19","60X135","ABRAHAM, ROBERT A.","LOT 20 BLK 2","","1905 N. 25TH ST.","8100",""],["BRAND SUBD","RES","0.19","60X135","LAMB, DANIEL F","LOT 7 BLK 2","","1906 N. 24TH ST.","8100",""]],"metadata":[["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""],["","","","",""]]}}

 

You may get scared with such a long error message at first glance, To be frankly, I got a high blood pressure as well when I saw this first time . But let’s clam down and looked into the error again, I highlighted and marked it as bold. Message: theMap.getMapName is not a function , it seems that theMap object does not have a method “getMapName”. So I looked into the source code of map widget, which is C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion\lib\Map.js by default. Yes, that’s the reason, getMapName method is missing, so I went ahead to add this method as below, around line 1247:

 

//Added by Daniel 2012/11/01
getMapName: function() {
    return this.aMaps[0]._sMapname;
},

 

It is pretty simple one. 

As I said earlier, I am using Slate as my template when testing these examples, and the slate template is referring to a compressed single file of fusion library. To apply my changes, I need to edit the JavaScript reference in C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion\templates\mapguide\slate\index.html, please refer to this blog post for more information about this:

<script type="text/javascript" src="../../../lib/fusion.js"></script>

Now let’s refresh the page and test again, the information about the selection has been written to the firebug console:

Look at it closer:

 

Okay, I would like to stop here since I am busy with other stuff and do not have time to try the others examples, you may want to keep trying the following examples yourself. I found Example3 does not work as expected, and this has been reported to engineering team, they will take care of it in future. If you are interested in investigating more, you can debug it yourself with help of Firebug, as introduced in this post. All source code of fusion is released with the product(C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\fusion). Hopefully you can work them out yourself.

 

Good luck!

Failed to load the resource file "Resources/mapguide_en.res" for locale "en"

By Daniel Du

I noticed that quite a few customers run into this problem on Autodesk Infrastructure Map Server. The error message on yellow page is something like below:

Server Error in '/MgViewerExtention_2012' Application.

Failed to load the resource file "Resources/mapguide_en.res" for locale "en".

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: OSGeo.MapGuide.MgResourcesLoadFailedException: Failed to load the resource file "Resources/mapguide_en.res" for locale "en".

Source Error:

Line 22:         string realPath = Request.ServerVariables["APPL_PHYSICAL_PATH"];
Line 23:         String configPath = realPath + "../webconfig.ini";
Line 24:         MapGuideApi.MgInitializeWebTier(configPath);
Line 25:     }
Line 26:

Source File: C:\Work\CodeSamples\MgViewerExtention_2012\MgViewerExtention\Utility.cs    Line: 24

Stack Trace:

[MgResourcesLoadFailedException: Failed to load the resource file "Resources/mapguide_en.res" for locale "en".]
   OSGeo.MapGuide.SWIGExceptionHelper.ThrowCustomException(String className, IntPtr cptr) +648
   OSGeo.MapGuide.MapGuideApiPINVOKE.MgInitializeWebTier(String jarg1) +0
   Utility.InitializeWebTier(HttpRequest Request) in C:\Work\CodeSamples\MgViewerExtention_2012\MgViewerExtention\Utility.cs:24
   MgViewerExtention.Default.Page_Load(Object sender, EventArgs e) in C:\Work\CodeSamples\MgViewerExtention_2012\MgViewerExtention\Default.aspx.cs:35
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428

Version Information: Microsoft .NET Framework Version:2.0.50727.4971; ASP.NET Version:2.0.50727.4971

I myself came across this problem as well, how did I fix it? Simple, just repair MapGuide WebExtension from Control Panel, the original installation media is needed.

I know it is not like a way of technical geek, but it works and it is easy. 

 

[Updated : 2012/11/13]

Someone is saying that repair does not work for him, so I Google with this error message and seems this link is related: one of the reasons may be permission problem. And this one, another reason may be install order of mapguide and .net. I also hear from others that they get this error if they happened to miss up the 32bit/64bit, that means they are trying to install 32bit of AIMS on a 64bit OS or verse visa. 

Anyway, it depends, you may need to check more if you do not want to reinstall or it does not work for you.

Intelligent landing page for AIMS/MapGuide Ajax viewer

By Daniel Du

You may come across the InitialMapView sample page in php, It expects the values to be passed to the script as query string parameters, and zoom to specified view port when loading the map. Here is an intelligent landing page MapGuide Viewer in .NET, and with more extended functionalities.

 

What is the function of this sample application?

1. Zoom to specified view port by initial x, y and scale, the URL is expected as below: http://serverName/MgViewerExtention/Default.aspx?X=-87.723233&Y=43.754561&scale=5000
It works by taking a copy of the WebLayout stored in the Library repository and changing the <CenterX/>, <CenterY/> and <Scale/> elements. The updated XML is written into the Session and is used as the target when the page is ultimately loaded.

 

2. Query, zoom to and highlight by filter string. It accepts layer name, keyFieldID and id value, for following URL, map viewer zooms to the objects corresponding to “Autogenerated_SDF_ID in (1812,1813)” in the layer Parcels, highlighted if “highlight=1”.

http://localhost/MgViewerExtention/Default.aspx?Layer=Parcels&KeyField=Autogenerated_SDF_ID&ListId=1812,1813&highlight=1

 

3. Filter features shown on map. You may have thousands even millions of features in a data source, but sometime you do not need to show all of them on map. With a filter string in URL, you can filter the features in MapGuide viewer when the viewer shows up. With following URL, I only show the parcels which Autogenerated_SDF_ID great than 1000:

http://localhost/MgViewerExtention/Default.aspx?Layer=Parcels&layerfilter=Autogenerated_SDF_ID > 10000

 

The sample project can be downloaded here, it is based on AIMS 2013, but it could be easy to apply it to other version of AIMS/MapGuide. If you are interested in how it is implemented in detail, please download and read the code. Hope it helps.

Download MgViewerExtention

 

[Updated: October, 26, 2012]

How to install this sample application?

I am often asked how to install/use this sample application, here is the detailed steps:

1. unzip the sample application to a folder of your web server where Map Server Extension is installed. Let’s say: C:\Work\CodeSamples\MgViewerExtention

2. Copy all dlls from “C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www\mapviewernet\bin” to “C:\Work\CodeSamples\MgViewerExtention\MgViewerExtention\bin”

3. Copy “WebConfig.ini” from “C:\Program Files\Autodesk\Autodesk Infrastructure Web Server Extension 2013\www” to “C:\Work\CodeSamples\MgViewerExtention\MgViewerExtention”

4. Since I am using web application as visual studio project, you need to rebuild the project. Open the “MgViewerExtention.sln” file in Visual Studio 2010, add references to OSGeo.MapGuide.* from MgViewerExtention\bin folder and set “CopyLocal” to FALSE. Then Build and fix any outstanding problems.

5. Open Internet Information Services(IIS) Manager by typing “inetmgr” in Start –> Run

6. Add a application in IIS. Right click “Default Web Site” and select “Add Application”, input alias as “MgViewerExtension”, please note that the URL to access this web application will be http://localhost/<yourAliasName>, for me it is http://localhost/MgViewer/Extension.  It is recommend to select "MapServer2013App” as application pool. You will notice that it is using .net Framework 4.0 for AIMS2013.  The physical path refers to the folder which contains the ASPX web page, for me, it is C:\Work\CodeSamples\MgViewerExtention\MgViewerExtention.

7. Give it a run and test, refer to the top of this post for test URLs.

 

How to Debug and Extend this further?

1. Open the “MgViewerExtention.sln” solution is Visual Studio 2010, set an break points at somewhere.

2. Launch the browser to the MgViewerExtension.

3. Attach to process from Debug menu, attach to “w3wp”, please note the username should be “MapServer2013App” as it may have more than one “w3wp” process.

4. Refresh the webpage, your break point will be hit.

Please refer to this video at MapServer Developer Center, it is for AIMS 2012 x64, but it still applies to AIMS 2013 as well.

Video : Autodesk® Infrastructure Map Server 2012 API Webcast
Recorded version of the Autodesk® Infrastructure Map Server 2012 API webcast
View Online | Download

 

It should be easy to use it for AIMS 2012 as well, Here are some critical point to be noticed:

1. Using the correct Dlls/References of AIMS2012

2. Change Target Framework to .NET Framework 3.5 in Visual Studio.

3. Change the url of viewer path:

     string viewerPathSchema = @"/mapserver2012/mapviewerajax/
       ajaxviewer.aspx?Weblayout={1}&SESSION={0}";

4.  Rebuild and fix any outstanding problems.

5.  Select an application pool with .NET Framework 2.0(ASP.NET 2.0) when creating Applications in IIS:

 

Hope this helps.