I'm using PHP mapscript.
Is $oMap->scaledenom only set by $oMap->draw()? Or is it updated when $oMap->setSize($width, $height); or $oMap->setExtent($minX,$minY,$maxX,$maxY); or one of the zoom methods are called? The manual (in the members list) states that scaledenom is read only, set by mapDraw(). I need to use this value before draw and need to know if I need to calculate it myself or can I set the map size and the use the value from the map object. Thanks, Worth
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