/****************************************************************************** * Copyright (c) 2014, Hobu Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following * conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided * with the distribution. * * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the * names of its contributors may be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. ****************************************************************************/ #pragma once #include #include #include #include #include #include #include namespace pdal { class PDAL_DLL PointLayout { public: /** Default constructor. */ PointLayout(); virtual ~PointLayout() {} /** Mark a layout as finalized. Dimensions can't be added to a finalized PointLayout. */ void finalize(); /** Determine if the PointLayout is finalized. \return Whether the PointLayout is finalized. */ bool finalized() const { return m_finalized; } /** Register a vector of dimensions. \param ids Vector of IDs to register. */ void registerDims(std::vector ids); /** Register a list of dimensions. \param id Pointer to list of IDs to register. The last ID in the list must have the value Unknown. */ void registerDims(Dimension::Id *id); /** Register use of a standard dimension (declare that a point will contain data for this dimension). Use the default type for the dimension. \param id ID of dimension to be registered. */ void registerDim(Dimension::Id id); /** Register use of a standard dimension (declare that a point will contain data for this dimension) if it hasn't already been registered with a "larger" type. It the dimension already exists with a larger type, this does nothing. \param id ID of dimension to be registered. \param type Minimum type to assign to the dimension. */ void registerDim(Dimension::Id id, Dimension::Type type); /** Assign a non-existing (proprietary) dimension with the given name and type. No check is made to see if the dimension exists as a standard (non-propietary) dimension. If the dimension has already been assigned as a proprietary dimension, update the type but use the existing Id. If the dimension has already been assigned with a larger type, this does nothing. \param name Name of the proprietary dimension to add. \param type Minimum type to assign to the dimension. \return ID of the new or existing dimension, or Unknown on failure. */ Dimension::Id assignDim(const std::string& name, Dimension::Type type); /** Register a dimension if one already exists with the given name using the provided type. If the dimension doesn't already exist, create it. \param name Name of the dimension to register or assign. \param type Requested type of the dimension. Dimension will at least accomodate values of this type. \return ID of dimension registered or assigned. */ Dimension::Id registerOrAssignDim(const std::string name, Dimension::Type type); /** Get a list of DimType objects that define the layout. \return A list of DimType objects. */ DimTypeList dimTypes() const; /** Get a DimType structure for a named dimension. \param name Name of the dimension \return A DimType associated with the named dimension. Returns a DimType with an Unknown ID if the dimension isn't part of the layout. */ DimType findDimType(const std::string& name) const; /** Get the ID of a dimension (standard or proprietary) given its name. \param name Name of the dimension. \return ID of the dimension or Unknown. */ Dimension::Id findDim(const std::string& name) const; /** Get the ID of a proprietary dimension given its name. \param name Name of the dimension. \return ID of the dimension or Unknown. */ Dimension::Id findProprietaryDim(const std::string& name) const; /** Get the name of a dimension give its ID. A dimension may have more than one name. The first one associated with the ID is returned. \param id ID of the dimension. \return A name associated with the dimension, or a NULL string. */ std::string dimName(Dimension::Id id) const; /** Determine if the PointLayout uses the dimension with the given ID. \param id ID of the dimension to check. \return \c true if the layout uses the dimension, \c false otherwise. */ bool hasDim(Dimension::Id id) const; /** Get a reference to vector of the IDs of currently used dimensions. \return Vector of IDs of dimensions that are part of the layout. */ const Dimension::IdList& dims() const; /** Get the type of a dimension. \param id ID of the dimension. \return Type of the dimension. */ Dimension::Type dimType(Dimension::Id id) const; /** Get the current size in bytes of the dimension. \param id ID of the dimension. \return Size of the dimension in bytes. */ size_t dimSize(Dimension::Id id) const; /** Get the offset of the dimension in the layout. \param id ID of the dimension. \return Offset of the dimension in bytes. */ size_t dimOffset(Dimension::Id id) const; /** Get number of bytes that make up a point. Returns the sum of the dimSize for all dimensions in the layout. \return Size of a point in bytes. */ size_t pointSize() const; /** Get a pointer to a dimension's detail information. \param id ID of the dimension. \return A pointer a dimension's detail. */ const Dimension::Detail* dimDetail(Dimension::Id id) const { return &(m_detail[Utils::toNative(id)]); } /** Change from offset to order. Only call during finalize. */ void orderDimensions() { int order = 0; for (Dimension::Id id : m_used) m_detail[Utils::toNative(id)].setOrder(order++); } /** Convert the point layout to a metadata format. \return A metadata node that contains the layout information. */ MetadataNode toMetadata() const; /** Set the names of dimensions to which the layout is restricted. */ void setAllowedDims(StringList dimNames); private: virtual bool update(Dimension::Detail dd, const std::string& name); Dimension::Type resolveType( Dimension::Type t1, Dimension::Type t2); protected: std::vector m_detail; Dimension::IdList m_used; std::map m_propIds; int m_nextFree; std::size_t m_pointSize; bool m_finalized; StringList m_allowedDimNames; }; typedef PointLayout* PointLayoutPtr; } // namespace pdal