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tilemaker/include/output_object.h
2024-02-17 11:07:14 +00:00

94 lines
2.2 KiB
C++

/*! \file */
#ifndef _OUTPUT_OBJECT_H
#define _OUTPUT_OBJECT_H
#include <vector>
#include <string>
#include <map>
#include <memory>
#include "geom.h"
#include "coordinates.h"
#include "attribute_store.h"
#include "osm_store.h"
#include <vtzero/builder.hpp>
enum OutputGeometryType : unsigned int { POINT_, LINESTRING_, MULTILINESTRING_, POLYGON_ };
//\brief Display the geometry type
std::ostream& operator<<(std::ostream& os, OutputGeometryType geomType);
/**
* \brief OutputObject - any object (node, linestring, polygon) to be outputted to tiles
*/
#pragma pack(push, 4)
class OutputObject {
public:
OutputObject(
OutputGeometryType type,
uint_least8_t l,
NodeID id,
AttributeIndex attributes,
uint mz
):
objectID(id),
geomType(type),
layer(l),
z_order(0),
minZoom(mz),
attributes(attributes)
{ }
NodeID objectID : 36; // id of point/linestring/polygon
unsigned minZoom : 4; // minimum zoom level in which object is written
AttributeIndex attributes : 30; // index in attribute storage
OutputGeometryType geomType : 2; // point, linestring, polygon
uint_least8_t layer : 8; // what layer is it in?
short z_order : 16; // used for sorting features within layers
template<typename T>
static inline T finite_cast(double v) {
if(!std::isfinite(v)) return 0;
return static_cast<T>(std::floor(v));
}
void setZOrder(const double z) {
if (z>1000) {
z_order = finite_cast<short>(std::sqrt((z-1000)*10)+10000);
} else if (z<-1000) {
z_order = finite_cast<short>(-10000 - std::sqrt((std::fabs(z)-1000)*10));
} else {
z_order = finite_cast<short>(z*10);
}
}
void setMinZoom(const double z) {
minZoom = finite_cast<unsigned int>(z);
}
void setAttributeSet(AttributeIndex attributes) {
this->attributes = attributes;
}
void writeAttributes(
const AttributeStore& attributeStore,
vtzero::feature_builder& fbuilder,
char zoom
) const;
bool compatible(const OutputObject &other);
};
#pragma pack(pop)
struct OutputObjectID {
OutputObject oo;
uint64_t id;
};
// Comparison functions
bool operator==(const OutputObject& x, const OutputObject& y);
bool operator==(const OutputObjectID& x, const OutputObjectID& y);
#endif //_OUTPUT_OBJECT_H