Ok, I tried  that too and reproduced the crash. Overlaying maps that are 
just loaded on-the-fly are not intended to be overlayed by a vector map. 
Thus I never tried/tested it :) I will have a look into that and either 
fix it or prevent QLGT from doing the overlay giving a hint via message 
box. What ever is the best solution.


Oliver


> Hi, another issue I'm investigating is the fact that, using QLGT 1.1.2 on
> 32 bit Ubuntu Linux, the program sistematically crashes after eating all of
> the system's memory, after activating a Garmin vector map overlay on top of
> an existing raster map being shown.
>
> I have tried always when the same raster background map, and with up to
> three different Gamin vector maps (Spain's Topohispania 2.00,
> openmtbmaps_spain dated 20110526, and a custom made contouline map for
> Spain). The raster background map (aerial image), which covers all of Spain,
> is a remote WMS server with the following definition (trimmed):
>
> <GDAL_WMS>
>       <Service name="WMS">
>               <Version>1.1.1</Version>
>               <ServerUrl>http://www.idee.es/wms/PNOA/PNOA?</ServerUrl>
>               <SRS>EPSG:4326</SRS>
>               <ImageFormat>image/jpeg</ImageFormat>
>               <Layers>pnoa</Layers>
>       </Service>
>       <DataWindow>
>               <UpperLeftX>-18.162115973099013</UpperLeftX>
>               <UpperLeftY>45.28628628820378</UpperLeftY>
>               <LowerRightX>6.289256402294638</LowerRightX>
>               <LowerRightY>21.899217861706028</LowerRightY>
>               <SizeX>16777216</SizeX>
>               <SizeY>16777216</SizeY>
>       </DataWindow>
>       <BlockSizeX>512</BlockSizeX>
>       <BlockSizeY>512</BlockSizeY>
> </GDAL_WMS>
>
> To reproduce the problem, I open a saved track, and place the viewport at a
> well known place. Next, I load the map (File ->  Load Map ->  wms_pnoa.xml),
> and then I try to overlay any of the mentioned maps over the raster one,
> single clicking the M next to the map name. At this moment, QLGT starts
> eating memory like crazy, until it crashes due to failling allocations:
> terminate called after throwing an instance of 'std::bad_alloc'
>    what():  std::bad_alloc
>
>
> But, if instead of using the WMS from a .xml file, you include it in a
> .qmap definition, I have yet to reproduce the above problem. I have created
> the following .qmap, and everything works as expected:
>
> [description]
> bottomright=N21\xb0 53.953 E006\xb0 17.355
> topleft=N45\xb0 17.177 W018\xb0 09.727
> width=1910879.05609401
> height=2594119.77034764
> comment=PNOA a todos niveles de zoom
>
> [home]
> center=N40 47.460 W004 00.430
> zoom=8
>
> [main]
> levels=1
> quadraticZoom=false
>
> [level1]
> files=frmt_wms_spain_pnoa.xml|
> zoomLevelMin=1
> zoomLevelMax=1024
>
>
> So, it seems the problem has more to do with the way QLGT deals with the
> raster map definition than with the Garmin vector map itself. I have tried
> to debug the issue, but although there seems to be a neverending loop
> somewhere, I have not found the reason why it happens.
>
> I'll try to find out, but any help would be appreciated. If you hace a
> suspect and would like me to do some tests, please ask.
>
> Thank you.
>
>
>
>
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