[OpenLayers-Users] integer overflow while drawing vectors, help!

[BrainDrain]

fixed here
http://www.nabble.com/VectorLayer-disappears-at-zoom-17-%28and-lesser%29.-td19411610.html#a19451218

BrainDrain wrote:
> 
> any suggestions?
> 
> BrainDrain wrote:
>> 
>> HI
>> I use OL with mapserver
>> my output projection is
>> "+proj=tmerc +lat_0=48.70975 +lon_0=44.51205 +k=1.000000 +x_0=0 +y_0=0
>> +ellps=krass +towgs84=23.92,-141.27,-80.9,0,0,0,0 +units=m +no_defs"
>> this produces map images in real world units (meters)
>> (reprojection from input local coord. sys "+proj=tmerc +lat_0=0 +lon_0=45
>> +k=1.000000 +x_0=0 +y_0=0 +ellps=krass
>> +towgs84=23.92,-141.27,-80.9,0,0,0,0 +units=mm +no_defs"), I need this to
>> combine my local web map with google map layer in OL. But using this
>> output projection I have integer coords calc overflow during drawing
>> operations (in some scales/resolutions) in vml.js, for. ex. here
>> drawCircle:
>> node.style.left = (geometry.x /resolution).toFixed() - radius;//becomes
>> invalid
>> node.style.top = (geometry.y /resolution).toFixed() - radius;//or here
>> I can change outp. proj to another, but how could I then correlate my
>> Mapserver map image to match google layer data for my locale? Could I
>> perfom on the fly reprojection using just OL routines (in co-operation
>> with proj4js)? Is It REALLY possible? or some other advices to solve my
>> problem...
>> THANK YOU VERY, VERY MUCH
>> "x_0=-20000 +y_0=5000000" in out. proj. fixes problems but this produces
>> "wrong" coords...
>> 
>> 
> 
> 

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