Leveraging MapInfo ProViewer with Microsoft Visual Basic to provide company-wide access to spatial data resources.

Transcription

1 Leveraging MapInfo ProViewer with Microsoft Visual Basic to provide company-wide access to spatial data resources.

2 Find a way to make data stored in MapInfo Professional tables accessible to anyone in the company with network access, regardless of GIS experience level, at the lowest possible cost.

3 1) MapInfo Professional - 4 licenses 2) One skilled GIS user 3) Company network in place 4) One IT employee with programming experience. 5) MapInfo ProViewer - unlimited free copies.

4 Integrate MapInfo ProViewer functionality with a Microsoft Access Database and a custom user interface. The user interface with Access Database was already being developed to provide access to as much company data as possible. We decided that opening a map from a non-gis user interface would be so simple that no user would be intimidated by it.

5 This is the front end of our database. Selecting the Tracts and Units button brings up a searchable list of every property we own or manage with access to an extensive library of company information.

6 Once the user is in the Tract Listing screen, one click of the Open Map button will open MapInfo ProViewer with a map centered on the highlighted tract.

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8 Basic MapInfo tools are available to the user including the information tool. Hotlinks also are functional.

9 1) Create a workspace (or workspaces) in MIPro with the desired characteristics. 2) Create 2 columns for x and y values for the Ownership table and populate with the values from the table s native projection. 3) Export Ownership table as a delimited ASCII file. 4) Edit workspace(s) created in step 1 above to create variables for Visual Basic.

10 !Workspace!Version 800!Charset WindowsLatin1 Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\MAJORRDS" As MAJORRDS Interactive Open various other tables, the text for these lines won t fit on this slide! Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\starter data\or_gis\plssect" As PLSSECT Interactive Map From Timber_Text,Access_Control,Bridge,Corner_text,Proposedroads,Ridge_Lines, Property_Line,Unit_Text,Stands,Structures,Water,Utility_Line, WaterBuf,Roads,Tracts,MAJORRDS,Section_Line,HarvestUnits,PLSSECT Position ( , ) Units "in" Width Units "in" Height Units "in" Set Window FrontWindow() ScrollBars On Autoscroll On Set Map CoordSys Earth Projection 8, 62, "m", -123, 0, , , 0 Center ( , ) Zoom 7503 Units "ft" Preserve Zoom Display Position Distance Units "ft" Area Units "acre" XY Units "m"

11 !Workspace!Version 800!Charset WindowsLatin1 Close All Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\MAJORRDS" As MAJORRDS Interactive Open various other tables, the text for these lines won t fit on this slide! Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Stands" As Stands Interactive Map From Timber_Text,Access_Control,Bridge,Corner_text,Proposedroads,Ridge_Lines, Property_Line,Unit_Text,Stands,Structures,Water,Utility_Line, WaterBuf,Roads,Tracts,MAJORRDS,Section_Line,HarvestUnits Position ( , ) Units "in" Width Units "in" Height Units "in" Set Window FrontWindow() ScrollBars On Autoscroll On Set Map CoordSys Earth Projection 8, 62, "m", -123, 0, , , 0 Center ( XCoord,YCoord ) Zoom 7503 Units "ft" Preserve Zoom Display Position Distance Units "ft" Area Units "acre" XY Units "m"

12 !Workspace!Version 800!Charset WindowsLatin1 Close All Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\MAJORRDS" As MAJORRDS Interactive Without this line each time the open map routine runs, a new copy of ProViewer will open rather than clearing the tables out and opening a new workspace Open various other tables, the text for these lines won t fit on this slide! Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Stands" As Stands Interactive

13 Set Map CoordSys Earth Projection 8, 62, "m", -123, 0, , , 0 Center (XCoord,YCoord ) Zoom 7503 Units "ft" Preserve Zoom Display Position Distance Units "ft" Area Units "acre" XY Units "m" These are the Map Center variables that will be replaced with actual coordinates depending on the user s highlighted tract prior to selecting the open map button.

14 1) The program reads ID number for highlighted tract. The open map routine commences and looks at the ID number of the highlighted tract.

15 2) The program opens a copy of the workspace template. 3) The program looks up x & y coordinates in the spreadsheet based upon ID number of highlighted tract and substitutes for variables in workspace template. TractID Tract Number X Y Bailey Baker 1& Baldy Barker Barlow Bartholomew Baxter Beck Bennett Butte/Leep Benson Complex Berglund

16 Set Map CoordSys Earth Projection 8, 62, "m", -123, 0, , , 0 Center ( , ) Zoom 7503 Units "ft" Preserve Zoom Display Position Distance Units "ft" Area Units "acre" XY Units "m" 4) The program then looks at the file association for.wor, launches ProViewer and loads the modified workspace.

17 Private Sub cmdopenmap_click() On Error GoTo errorhandle: Dim i, intkey As Integer Dim strx, stry As String Dim strfullpath As String Dim straccount, strname As String Define variables Dim conn As New ADODB.Connection Dim rscsv As New ADODB.Recordset Dim rscurrentpc As New ADODB.Recordset intkey = Nz(Me.tblTract1_subform.Controls("KEYField"), 0) If intkey = 0 Then MsgBox "No Tract Selected!" Exit Sub End If straccount = modtract.returnaccount(intkey) strname = modtract.returnname(intkey)

18 If Not Dir("N:\", vbdirectory) = vbnullstring Then conn.open "DRIVER={Microsoft Text Driver (*.txt; *.csv)};" & _ "DBQ=N:\Apps\Proviewer\;", "", "" rscsv.open "select * from [Tracts#csv] where Tract_Number = " & straccount, conn, adopenstatic, _ adlockreadonly, adcmdtext strx = rscsv("x") stry = rscsv("y") rscsv.close conn.close '************************************************************** 'Copy the template file to TEMP Create new FileCopy "N:\Apps\Proviewer\Harvest_Plan.wor", temporary "N:\Apps\Proviewer\TEMP\" & workspace for modwindowsapiroutines.ap_getusername & ".wor" current user.

19 'Replace X then replace Y Replace modfileoperations.replacetextinstaticfile variables with "N:\Apps\Proviewer\TEMP\" & coordinates modwindowsapiroutines.ap_getusername & ".wor", "XCoord", CStr(strX) modfileoperations.replacetextinstaticfile "N:\Apps\Proviewer\TEMP\" & modwindowsapiroutines.ap_getusername & ".wor", "YCoord", CStr(strY) 'pause a moment this takes a bit for some reason For i = 1 To 4000 Next i 'Open the final workspace strfullpath = "N:\Apps\Proviewer\TEMP\" & modwindowsapiroutines.ap_getusername & ".wor" 'modfileoperations.fileexecute "N:\Apps\Proviewer\TEMP\" & modwindowsapiroutines.ap_getusername & ".wor" modfileoperations.fileexecute strfullpath Launch ProViewer with the final workspace

20 Else MsgBox "Drive not mapped" Exit Sub End If Error trapping errorhandle: If Err.Number = 3021 Then MsgBox "There is not a coordinate entry for the tract with Account ID " & straccount & ". The tract name is " & strname & vbcrlf & vbcrlf & " ERROR:" & Err.Number End Sub

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22 1) Download and install ProViewer on each computer that you want to access your GIS data. 2) Store the tables and workspaces on a single common computer (preferably a server). 3) Create custom workspaces for as many map types that you want. 4) Edit workspaces as needed in a text editor to make certain the full path to each table is spelled out. 5) Train your users in the use of ProViewer.

23 Open workspace in a text editor to check for full path in open table statements!workspace!version 750!Charset WindowsLatin1 Open Table "Roads" As Roads Interactive Open Table "Roads_nonLRT" As Roads_nonLRT Interactive Open Table "Property_Line" As Property_Line Interactive Open Table "C:\2005 OR Photos\douglas_east2005.TAB" As douglas_east2005 Interactive Open Table "C:\MapInfo\Contours\NValleyNAD27_ZFT_contour" As NValleyNAD27_ZFT_contour Interactive Open Table "C:\MapInfo\neighbors\neighborlands" As neighborlands Interactive Open Table "Tracts" As Tracts Interactive Open Table "TOWNS" As TOWNS Interactive Open Table "HiWays" As HiWays Interactive Open Table "MAJORRDS" As MAJORRDS Interactive Open Table "C:\MapInfo\starter data\or_gis\orcounty" As ORCOUNTY Interactive Open Table "C:\MapInfo\starter data\or_gis\plssect" As PLSSECT Interactive Open Table "WaterBuf" As WaterBuf Interactive Open Table "Water" As Water Interactive Open Table "Water_Text" As Water_Text Interactive

24 Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\MAJORRDS" As MAJORRDS Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Property_Line" As Property_Line Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Roads" As Roads Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Tracts" As Tracts Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Unit_Text" As Unit_Text Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Utility_Line" As Utility_Line Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Water" As Water Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\WaterBuf" As WaterBuf Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\HarvestUnits" As HarvestUnits Interactive Open Table "N:\Shared Folders\GIS & Lands Management\Proviewer Data\MasterFiles\Corner_text" As Corner_text Interactive

25 You will need to navigate to the folder that holds your workspaces the first time you use ProViewer. Subsequently, Proviewer will always look here first when the user chooses to open a workspace or table. (Note:ProViewer will open each table in a new map window if your user attempts to open individual tables) Careful crafting of the workspace will give your users maps that are useful. It is essential to gather sufficient input and also request feedback to optimize the workspaces. A few examples follow but the possibilities are virtually endless.

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27 Show/Hide Legend option available to user

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29 ? MapInfo ProViewer has made it possible for me to put the information in our GIS into the hands of many more users in our organization. The program is simple to use and cost effective. I even have a few users who use it in the field on their laptops. Maximize access to GIS data in your organization with MapInfo ProViewer.