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Canvas: Use seperate projection instance for each map

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This commit is contained in:
Thomas Geymayer 2012-09-18 00:29:54 +02:00
parent 01376eec31
commit 9f5790c843
2 changed files with 9 additions and 7 deletions
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12
src/Canvas/elements/map.cxx
View file

@ -41,13 +41,13 @@
namespace canvas
{
// TODO make projection configurable
SansonFlamsteedProjection projection;
const std::string GEO = "-geo";
//----------------------------------------------------------------------------
Map::Map(SGPropertyNode_ptr node, const Style& parent_style):
Group(node, parent_style),
// TODO make projection configurable
_projection(new SansonFlamsteedProjection),
_projection_dirty(true)
{
@ -80,7 +80,7 @@ namespace canvas
continue;
Projection::ScreenPosition pos =
projection.worldToScreen(lat.value, lon.value);
_projection->worldToScreen(lat.value, lon.value);
geo_node->setScreenPos(pos.x, pos.y);
@ -182,12 +182,12 @@ namespace canvas
if( child->getNameString() == "ref-lat"
|| child->getNameString() == "ref-lon" )
projection.setWorldPosition( _node->getDoubleValue("ref-lat"),
_projection->setWorldPosition( _node->getDoubleValue("ref-lat"),
_node->getDoubleValue("ref-lon") );
else if( child->getNameString() == "hdg" )
projection.setOrientation(child->getFloatValue());
_projection->setOrientation(child->getFloatValue());
else if( child->getNameString() == "range" )
projection.setRange(child->getDoubleValue());
_projection->setRange(child->getDoubleValue());
else
return;

2
src/Canvas/elements/map.hxx
View file

@ -28,6 +28,7 @@
namespace canvas
{
class GeoNodePair;
class HorizontalProjection;
class Map:
public Group
{
@ -51,6 +52,7 @@ namespace canvas
boost::shared_ptr<GeoNodePair>
> GeoNodes;
GeoNodes _geo_nodes;
boost::shared_ptr<HorizontalProjection> _projection;
bool _projection_dirty;
struct GeoCoord