Changes between Version 3 and Version 4 of MapGuideRfc69
- Timestamp:
- Jun 26, 2009, 5:34:35 PM (15 years ago)
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MapGuideRfc69
v3 v4 27 27 is to break road networks into separate layers. 28 28 29 30 29 ||[[Image(mapguide studio support for style ordering.png)]]||[[BR]] 31 30 … … 36 35 Add support to the rendering engine to render layer styles in ordered passes. 37 36 38 This should only require changes to the rendering engine, there would be no [[BR]] 39 xml schema schema changes required 37 After some discussion, it appears that implementing ordering of results from FDO 38 could be an efficient way of approaching this. This avoids requiring MapGuide to 39 issue multiple FDO queries. 40 40 41 The question has been raised about the support for ordering within other 42 providers such as SHP and FDO. 43 44 This would require a change to FDO 45 46 As this will add overhead, by taking the ordered approach, this could be turned 47 on by an optional field defining column(s) in the layer definition which defines 48 ordering. 41 49 42 50 == Implications == 43 51 44 None.52 The current approach is to make this an optional enhancement, as to avoid impacting all layers. 45 53 46 54 == Test Plan == … … 54 62 == Related Trac Tickets == 55 63 64 #618 Theming stylisation order isn't respected in a layer[[BR]] 65 [http://trac.osgeo.org/fdo/ticket/516 FDO Core enhancment: support standard ORDER BY expressions] 56 66 57 #618 Theming stylisation order isn't respected in a layer 67 == Discussions == 68 69 [http://n2.nabble.com/MapGuide-RFC-69---Rendering-Layer-Styles-using-Style-Order-td3158848.html][[BR]] 70 [http://n2.nabble.com/RE%3A-MapGuide-RFC-69---Rendering-Layer-Styles-td3159460.html]
