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https://github.com/ciphervance/supercell-wx.git
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Raster data packet
This commit is contained in:
Dan Paulat
parent
c9617f13b0
commit
ef56f55529
4 changed files with 299 additions and 1 deletions
52
wxdata/include/scwx/wsr88d/rpg/raster_data_packet.hpp
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52
wxdata/include/scwx/wsr88d/rpg/raster_data_packet.hpp
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@ -0,0 +1,52 @@
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#pragma once
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#include <scwx/wsr88d/rpg/packet.hpp>
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#include <cstdint>
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#include <memory>
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namespace scwx
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{
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namespace wsr88d
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{
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namespace rpg
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{
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class RasterDataPacketImpl;
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class RasterDataPacket : public Packet
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{
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public:
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explicit RasterDataPacket();
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~RasterDataPacket();
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RasterDataPacket(const RasterDataPacket&) = delete;
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RasterDataPacket& operator=(const RasterDataPacket&) = delete;
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RasterDataPacket(RasterDataPacket&&) noexcept;
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RasterDataPacket& operator=(RasterDataPacket&&) noexcept;
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uint16_t packet_code() const;
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uint16_t op_flag(size_t i) const;
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int16_t i_coordinate_start() const;
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int16_t j_coordinate_start() const;
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uint16_t x_scale_int() const;
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uint16_t x_scale_fractional() const;
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uint16_t y_scale_int() const;
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uint16_t y_scale_fractional() const;
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uint16_t number_of_rows() const;
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uint16_t packaging_descriptor() const;
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size_t data_size() const override;
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bool Parse(std::istream& is) override;
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static std::shared_ptr<RasterDataPacket> Create(std::istream& is);
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private:
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std::unique_ptr<RasterDataPacketImpl> p;
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};
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} // namespace rpg
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} // namespace wsr88d
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} // namespace scwx
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@ -3,6 +3,7 @@
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#include <scwx/wsr88d/rpg/linked_contour_vector_packet.hpp>
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#include <scwx/wsr88d/rpg/linked_vector_packet.hpp>
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#include <scwx/wsr88d/rpg/radial_data_packet.hpp>
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#include <scwx/wsr88d/rpg/raster_data_packet.hpp>
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#include <scwx/wsr88d/rpg/set_color_level_packet.hpp>
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#include <scwx/wsr88d/rpg/text_and_special_symbol_packet.hpp>
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#include <scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp>
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@ -35,7 +36,9 @@ static const std::unordered_map<uint16_t, CreateMessageFunction> create_ {
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{0x0802, SetColorLevelPacket::Create},
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{0x0E03, LinkedContourVectorPacket::Create},
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{0x3501, UnlinkedContourVectorPacket::Create},
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{0xAF1F, RadialDataPacket::Create}};
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{0xAF1F, RadialDataPacket::Create},
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{0xBA07, RasterDataPacket::Create},
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{0xBA0F, RasterDataPacket::Create}};
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std::shared_ptr<Packet> PacketFactory::Create(std::istream& is)
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{
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241
wxdata/source/scwx/wsr88d/rpg/raster_data_packet.cpp
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241
wxdata/source/scwx/wsr88d/rpg/raster_data_packet.cpp
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@ -0,0 +1,241 @@
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#include <scwx/wsr88d/rpg/raster_data_packet.hpp>
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#include <istream>
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#include <string>
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#include <boost/log/trivial.hpp>
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namespace scwx
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{
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namespace wsr88d
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{
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namespace rpg
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{
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static const std::string logPrefix_ =
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"[scwx::wsr88d::rpg::raster_data_packet] ";
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struct Row
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{
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uint16_t numberOfBytes_;
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std::vector<uint8_t> data_;
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Row() : numberOfBytes_ {0}, data_ {} {}
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};
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class RasterDataPacketImpl
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{
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public:
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explicit RasterDataPacketImpl() :
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packetCode_ {},
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opFlag_ {},
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iCoordinateStart_ {},
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jCoordinateStart_ {},
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xScaleInt_ {},
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xScaleFractional_ {},
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yScaleInt_ {},
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yScaleFractional_ {},
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numberOfRows_ {},
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packagingDescriptor_ {},
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row_ {},
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dataSize_ {} {};
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~RasterDataPacketImpl() = default;
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uint16_t packetCode_;
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std::array<uint16_t, 2> opFlag_;
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int16_t iCoordinateStart_;
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int16_t jCoordinateStart_;
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uint16_t xScaleInt_;
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uint16_t xScaleFractional_;
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uint16_t yScaleInt_;
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uint16_t yScaleFractional_;
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uint16_t numberOfRows_;
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uint16_t packagingDescriptor_;
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// Repeat for each radial
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std::vector<Row> row_;
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size_t dataSize_;
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};
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RasterDataPacket::RasterDataPacket() :
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p(std::make_unique<RasterDataPacketImpl>())
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{
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}
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RasterDataPacket::~RasterDataPacket() = default;
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RasterDataPacket::RasterDataPacket(RasterDataPacket&&) noexcept = default;
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RasterDataPacket&
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RasterDataPacket::operator=(RasterDataPacket&&) noexcept = default;
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uint16_t RasterDataPacket::packet_code() const
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{
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return p->packetCode_;
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}
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uint16_t RasterDataPacket::op_flag(size_t i) const
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{
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return p->opFlag_[i];
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}
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int16_t RasterDataPacket::i_coordinate_start() const
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{
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return p->iCoordinateStart_;
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}
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int16_t RasterDataPacket::j_coordinate_start() const
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{
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return p->jCoordinateStart_;
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}
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uint16_t RasterDataPacket::x_scale_int() const
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{
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return p->xScaleInt_;
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}
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uint16_t RasterDataPacket::x_scale_fractional() const
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{
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return p->xScaleFractional_;
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}
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uint16_t RasterDataPacket::y_scale_int() const
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{
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return p->yScaleInt_;
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}
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uint16_t RasterDataPacket::y_scale_fractional() const
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{
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return p->yScaleFractional_;
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}
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uint16_t RasterDataPacket::number_of_rows() const
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{
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return p->numberOfRows_;
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}
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uint16_t RasterDataPacket::packaging_descriptor() const
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{
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return p->packagingDescriptor_;
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}
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size_t RasterDataPacket::data_size() const
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{
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return p->dataSize_;
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}
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bool RasterDataPacket::Parse(std::istream& is)
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{
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bool blockValid = true;
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size_t bytesRead = 0;
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is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
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is.read(reinterpret_cast<char*>(p->opFlag_.data()), 4);
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is.read(reinterpret_cast<char*>(&p->iCoordinateStart_), 2);
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is.read(reinterpret_cast<char*>(&p->jCoordinateStart_), 2);
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is.read(reinterpret_cast<char*>(&p->xScaleInt_), 2);
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is.read(reinterpret_cast<char*>(&p->xScaleFractional_), 2);
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is.read(reinterpret_cast<char*>(&p->yScaleInt_), 2);
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is.read(reinterpret_cast<char*>(&p->yScaleFractional_), 2);
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is.read(reinterpret_cast<char*>(&p->numberOfRows_), 2);
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is.read(reinterpret_cast<char*>(&p->packagingDescriptor_), 2);
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bytesRead += 22;
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p->packetCode_ = ntohs(p->packetCode_);
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p->iCoordinateStart_ = ntohs(p->iCoordinateStart_);
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p->jCoordinateStart_ = ntohs(p->jCoordinateStart_);
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p->xScaleInt_ = ntohs(p->xScaleInt_);
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p->xScaleFractional_ = ntohs(p->xScaleFractional_);
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p->yScaleInt_ = ntohs(p->yScaleInt_);
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p->yScaleFractional_ = ntohs(p->yScaleFractional_);
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p->numberOfRows_ = ntohs(p->numberOfRows_);
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p->packagingDescriptor_ = ntohs(p->packagingDescriptor_);
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SwapArray(p->opFlag_);
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if (is.eof())
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{
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BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
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blockValid = false;
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}
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else
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{
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if (p->packetCode_ != 0xBA0F && p->packetCode_ != 0xBA07)
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{
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BOOST_LOG_TRIVIAL(warning)
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<< logPrefix_ << "Invalid packet code: " << p->packetCode_;
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blockValid = false;
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}
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if (p->numberOfRows_ < 1 || p->numberOfRows_ > 464)
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{
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BOOST_LOG_TRIVIAL(warning)
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<< logPrefix_ << "Invalid number of rows: " << p->numberOfRows_;
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blockValid = false;
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}
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}
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if (blockValid)
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{
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p->row_.resize(p->numberOfRows_);
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for (uint16_t r = 0; r < p->numberOfRows_; r++)
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{
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size_t rowBytesRead = 0;
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Row& row = p->row_[r];
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is.read(reinterpret_cast<char*>(&row.numberOfBytes_), 2);
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bytesRead += 2;
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row.numberOfBytes_ = ntohs(row.numberOfBytes_);
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if (row.numberOfBytes_ < 2 || row.numberOfBytes_ > 920 ||
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row.numberOfBytes_ % 2 != 0)
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{
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BOOST_LOG_TRIVIAL(warning)
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<< logPrefix_
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<< "Invalid number of bytes in row: " << row.numberOfBytes_
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<< " (Row " << r << ")";
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blockValid = false;
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break;
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}
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// Read row data
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size_t dataSize = row.numberOfBytes_;
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row.data_.resize(dataSize);
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is.read(reinterpret_cast<char*>(row.data_.data()), dataSize);
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bytesRead += dataSize;
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// If the final byte is 0, truncate it
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if (row.data_.back() == 0)
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{
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row.data_.pop_back();
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}
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}
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}
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p->dataSize_ = bytesRead;
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if (!ValidateMessage(is, bytesRead))
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{
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blockValid = false;
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}
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return blockValid;
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}
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std::shared_ptr<RasterDataPacket> RasterDataPacket::Create(std::istream& is)
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{
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std::shared_ptr<RasterDataPacket> packet =
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std::make_shared<RasterDataPacket>();
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if (!packet->Parse(is))
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{
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packet.reset();
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}
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return packet;
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}
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} // namespace rpg
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} // namespace wsr88d
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} // namespace scwx
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@ -54,6 +54,7 @@ set(HDR_WSR88D_RPG include/scwx/wsr88d/rpg/level3_message_header.hpp
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include/scwx/wsr88d/rpg/product_description_block.hpp
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include/scwx/wsr88d/rpg/product_symbology_block.hpp
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include/scwx/wsr88d/rpg/radial_data_packet.hpp
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include/scwx/wsr88d/rpg/raster_data_packet.hpp
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include/scwx/wsr88d/rpg/set_color_level_packet.hpp
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include/scwx/wsr88d/rpg/text_and_special_symbol_packet.hpp
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include/scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp
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@ -67,6 +68,7 @@ set(SRC_WSR88D_RPG source/scwx/wsr88d/rpg/level3_message_header.cpp
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source/scwx/wsr88d/rpg/product_description_block.cpp
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source/scwx/wsr88d/rpg/product_symbology_block.cpp
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source/scwx/wsr88d/rpg/radial_data_packet.cpp
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source/scwx/wsr88d/rpg/raster_data_packet.cpp
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source/scwx/wsr88d/rpg/set_color_level_packet.cpp
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source/scwx/wsr88d/rpg/text_and_special_symbol_packet.cpp
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source/scwx/wsr88d/rpg/unlinked_contour_vector_packet.cpp
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