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https://github.com/felt/tippecanoe.git
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Erica Fischer
b3b89e1e07
* Add an all-mvt_value attribute accumulation path * Only bin by ID, not geometrically * A little cleanup; changelog and version; test * Remove accidental double-conversion * Replace duplicated code with template * Update changelog
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
#ifndef ATTRIBUTE_HPP
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#define ATTRIBUTE_HPP
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#include <vector>
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#include <unordered_map>
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#include <map>
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#include "mvt.hpp"
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#include "milo/dtoa_milo.h"
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enum attribute_op {
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op_sum,
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op_product,
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op_mean,
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op_concat,
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op_comma,
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op_max,
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op_min,
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op_count,
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};
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struct accum_state {
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double sum = 0;
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double count = 0;
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};
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struct serial_val;
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void set_attribute_accum(std::unordered_map<std::string, attribute_op> &attribute_accum, std::string name, std::string type);
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void set_attribute_accum(std::unordered_map<std::string, attribute_op> &attribute_accum, const char *arg, char **argv);
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void preserve_attribute(attribute_op const &op, std::string const &key, serial_val const &val, std::vector<std::string> &full_keys, std::vector<serial_val> &full_values, std::unordered_map<std::string, accum_state> &attribute_accum_state);
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void preserve_attribute(attribute_op const &op, std::string const &key, mvt_value const &val, std::vector<std::string> &full_keys, std::vector<mvt_value> &full_values, std::unordered_map<std::string, accum_state> &attribute_accum_state);
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extern std::map<std::string, attribute_op> numeric_operations;
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#endif
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