Since you have a need for permanent and private/shared resources then temporary SDF's are not a solution.
MG API does not contain any Schema creation API so you would need to use something like Autodesk Map to create the datastore/schema in the database. After that it's more of an insert/update/delete feature sequence of commands and security and possibly filters on the layers to access the data. What may also add some complications would be if you use different coordinate systems. Unless the data is stored as LL84 it might be hard to work with multiple spatial contexts in 1 table. The table can support multiple feature types. Dave From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of r0ss Sent: Tuesday, April 22, 2008 2:16 PM To: 'MapGuide Users Mail List' Subject: RE: [mapguide-users] Creating mark ups / redlining using anything other than SDF Dave, To outline what we're trying to accomplish based on some business requirements: 1. Users can create two types of redlines; private and public, both of which are permanent and/or temporary. 2. The creator of the redline can determine if it gets deleted. 3. They may be quasi temporary in that they may only last a week or so, but not session temporary 4. Multiple users can view and/or edit the public mark-ups only, add, update, delete items etc concurrently. The private ones seem to be fine, although multiple users may be concurrently editing private redlines too. This all seems to go awry when multiple users concurrently edit public redlines that where created programmatically using the API feature service. Regards R0ss From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave Wilson Sent: April-22-08 1:13 PM To: MapGuide Users Mail List Subject: RE: [mapguide-users] Creating mark ups / redlining using anything other than SDF Are the markups permanent or temporary: this may have a big impact on the approach you can take? If temporary they should be created in the Session Repository which should at least avoid whatever may be causing corruption of the main repository. If users are creating their own markups do they need to share the same resource? Why can't they each have their own temporary session based SDF? This will probably avoid any corruption. The fact that you are trying to delete them suggests they are somewhat temporary. If they were created based on the session id then when the session expires you might create a process to delete the expired ones. Just a thought. Dave From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of r0ss Sent: Tuesday, April 22, 2008 12:11 PM To: 'MapGuide Users Mail List' Subject: [mapguide-users] Creating mark ups / redlining using anything other than SDF Importance: High All, We have encountered a critical flaw with MapGuide in particular the undocumented use of the SDF format to create multi user based red lines - the default samples all highlight this is the approach. As an example, we created an application that allows users to each create, modify and display redlines from the same SDF file (as per the sample). We were recently informed by Autodesk that the SDF format is not meant to serve as a mutli-user creation format (which is an undocumented feature by the way!). During our testing when multiple users create redlines at the same time - the repository become corrupt and forces us restore the previous MapGuide package (does anyone know how to automate the deletion of SDF files in the repository without knowing the names of the repository names - i.e. the users create redlines and we do not know the repository names) The big ask: Does anyone have any experience creating redlines in anything other than SDF, notable SQL Server 2005, GML, KML, etc (we are not an Oracle or PostGIS shop) or any other work arounds we would greatly appreciated we are at a loss and in a time crunch. Regards R0ss
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