Style buildStyle( const osg::Vec4 &color, float width )
{
// Define a style for the feature data. Since we are going to render the
// vectors as lines, configure the line symbolizer:
Style style;
LineSymbol* ls = style.getOrCreateSymbol<LineSymbol>();
ls->stroke()->color() = color;
ls->stroke()->width() = width;
ls->tessellation() = 10;
AltitudeSymbol* as = style.getOrCreate<AltitudeSymbol>();
as->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
as->technique() = AltitudeSymbol::TECHNIQUE_SCENE;
RenderSymbol* rs = style.getOrCreateSymbol<RenderSymbol>();
rs->depthOffset()->enabled() = true;
rs->depthOffset()->minBias() = 1000;
return style;
}
void
RenderSymbol::parseSLD(const Config& c, Style& style)
{
RenderSymbol defaults;
if ( match(c.key(), "render-depth-test") ) {
style.getOrCreate<RenderSymbol>()->depthTest() = as<bool>(c.value(), *defaults.depthTest());
}
else if ( match(c.key(), "render-lighting") ) {
style.getOrCreate<RenderSymbol>()->lighting() = as<bool>(c.value(), *defaults.lighting());
}
else if ( match(c.key(), "render-depth-offset") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->enabled() = as<bool>(c.value(), *defaults.depthOffset()->enabled() );
}
else if ( match(c.key(), "render-depth-offset-min-bias") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->minBias() = as<float>(c.value(), *defaults.depthOffset()->minBias() );
style.getOrCreate<RenderSymbol>()->depthOffset()->automatic() = false;
}
else if ( match(c.key(), "render-depth-offset-max-bias") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->maxBias() = as<float>(c.value(), *defaults.depthOffset()->maxBias() );
}
else if ( match(c.key(), "render-depth-offset-min-range") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->minRange() = as<float>(c.value(), *defaults.depthOffset()->minRange() );
}
else if ( match(c.key(), "render-depth-offset-max-range") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->maxRange() = as<float>(c.value(), *defaults.depthOffset()->maxRange() );
}
else if ( match(c.key(), "render-depth-offset-auto") ) {
style.getOrCreate<RenderSymbol>()->depthOffset()->automatic() = as<bool>(c.value(), *defaults.depthOffset()->automatic() );
}
else if ( match(c.key(), "render-backface-culling") ) {
style.getOrCreate<RenderSymbol>()->backfaceCulling() = as<bool>(c.value(), *defaults.backfaceCulling() );
}
else if ( match(c.key(), "render-order") ) {
style.getOrCreate<RenderSymbol>()->order() = !c.value().empty() ? NumericExpression(c.value()) : *defaults.order();
}
}