mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 09:21:46 +00:00
Thomas Krijnen
82 lines
3.6 KiB
C++
82 lines
3.6 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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// TODO: Multiple schemas
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#define IfcSchema Ifc2x3
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#include "../ifcparse/IfcFile.h"
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#include "../ifcparse/Ifc2x3.h"
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#if USE_VLD
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#include <vld.h>
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#endif
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int main(int argc, char** argv) {
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if ( argc != 2 ) {
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std::cout << "usage: IfcParseExamples <filename.ifc>" << std::endl;
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return 1;
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}
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// Redirect the output (both progress and log) to stdout
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Logger::SetOutput(&std::cout,&std::cout);
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// Parse the IFC file provided in argv[1]
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IfcParse::IfcFile file(argv[1]);
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if (!file.good()) {
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std::cout << "Unable to parse .ifc file" << std::endl;
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return 1;
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}
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// Lets get a list of IfcBuildingElements, this is the parent
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// type of things like walls, windows and doors.
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// entitiesByType is a templated function and returns a
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// templated class that behaves like a std::vector.
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// Note that the return types are all typedef'ed as members of
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// the generated classes, ::list for the templated vector class,
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// ::ptr for a shared pointer and ::it for an iterator.
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// We will simply iterate over the vector and print a string
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// representation of the entity to stdout.
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//
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// Secondly, lets find out which of them are IfcWindows.
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// In order to access the additional properties that windows
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// have on top af the properties of building elements,
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// we need to cast them to IfcWindows. Since these properties
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// are optional we need to make sure the properties are
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// defined for the window in question before accessing them.
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IfcSchema::IfcBuildingElement::list::ptr elements = file.instances_by_type<IfcSchema::IfcBuildingElement>();
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std::cout << "Found " << elements->size() << " elements in " << argv[1] << ":" << std::endl;
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for (IfcSchema::IfcBuildingElement::list::it it = elements->begin(); it != elements->end(); ++it) {
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const IfcSchema::IfcBuildingElement* element = *it;
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std::cout << element->data().toString() << std::endl;
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const IfcSchema::IfcWindow* window;
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if ((window = element->as<IfcSchema::IfcWindow>()) != 0) {
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if (window->OverallWidth() && window->OverallHeight()) {
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const double area = *window->OverallWidth() * *window->OverallHeight();
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std::cout << "The area of this window is " << area << std::endl;
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}
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}
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}
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} |