1 /****************************************************************************** 2 * Copyright (c) 2011, Michael P. Gerlek (mpg@flaxen.com) 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following 8 * conditions are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided 15 * with the distribution. 16 * * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the 17 * names of its contributors may be used to endorse or promote 18 * products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 ****************************************************************************/ 34 35 #pragma once 36 37 #include <memory> 38 39 #include <pdal/Stage.hpp> 40 41 namespace pdal 42 { 43 44 class Filter; 45 46 class FilterWrapper; 47 48 class PDAL_DLL Filter : public virtual Stage 49 { 50 friend class FilterWrapper; 51 52 struct Args; 53 54 public: 55 Filter(); 56 ~Filter(); 57 58 Filter& operator=(const Filter&) = delete; 59 Filter(const Filter&) = delete; 60 61 private: 62 virtual void l_initialize(PointTableRef table) final; 63 virtual void l_addArgs(ProgramArgs& args) final; 64 virtual void l_prepared(PointTableRef table) final; 65 virtual const expr::ConditionalExpression *whereExpr() const; 66 virtual WhereMergeMode mergeMode() const; 67 virtual PointViewSet run(PointViewPtr view); filter(PointView &)68 virtual void filter(PointView& /*view*/) 69 {} 70 71 friend PDAL_DLL std::istream& operator>>(std::istream& in, Filter::WhereMergeMode& mode); 72 friend PDAL_DLL std::ostream& operator<<(std::ostream& out, const Filter::WhereMergeMode& mode); 73 74 std::unique_ptr<Args> m_args; 75 }; 76 77 } // namespace pdal 78 79