mirror of
https://github.com/dgirardeau/q3DMASC.git
synced 2026-08-29 08:34:48 +08:00
Daniel Girardeau-Montaut
113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
//##########################################################################
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//# #
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//# CLOUDCOMPARE PLUGIN: q3DMASC #
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//# #
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//# This program is free software; you can redistribute it and/or modify #
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//# it under the terms of the GNU General Public License as published by #
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//# the Free Software Foundation; version 2 or later of the License. #
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//# #
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//# This program 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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//# GNU General Public License for more details. #
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//# #
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//# COPYRIGHT: Dimitri Lague / CNRS / UEB #
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//# #
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//##########################################################################
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#include "CorePoints.h"
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//qCC_db
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#include <ccPointCloud.h>
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//CCLib
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#include <CloudSamplingTools.h>
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//system
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#include <assert.h>
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using namespace masc;
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bool CorePoints::prepare(CCLib::GenericProgressCallback* progressCb/*=nullptr*/)
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{
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if (!origin)
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{
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assert(false);
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return false;
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}
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if (selection)
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{
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//nothing to do
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return true;
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}
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//now we can compute the subsampled version
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CCLib::ReferenceCloud* ref = nullptr;
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switch (selectionMethod)
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{
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case SPATIAL:
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{
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//we'll need an octree
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if (!origin->getOctree())
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{
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if (!origin->computeOctree(progressCb))
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{
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ccLog::Warning("[CorePoints::prepare] Failed to compute the octree");
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return false;
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}
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}
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CCLib::CloudSamplingTools::SFModulationParams modParams;
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modParams.enabled = false;
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ref = CCLib::CloudSamplingTools::resampleCloudSpatially(
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origin,
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static_cast<PointCoordinateType>(selectionParam),
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modParams,
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origin->getOctree().data(),
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progressCb);
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break;
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}
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case RANDOM:
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{
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if (selectionParam <= 0.0 || selectionParam >= 1.0)
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{
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ccLog::Warning("[CorePoints::prepare] Random subsampling ration must be between 0 and 1 (excluded)");
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return false;
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}
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int targetCount = static_cast<int>(origin->size() * selectionParam);
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ref = CCLib::CloudSamplingTools::subsampleCloudRandomly(origin, targetCount, progressCb);
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break;
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}
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case NONE:
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//nothing to do
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cloud = origin;
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return true;
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default:
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assert(false);
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break;
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}
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//store the references
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if (!ref)
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{
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ccLog::Warning("[CorePoints::prepare] Failed to subsampled the origin cloud");
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return false;
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}
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selection.reset(ref);
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//and create the subsampled version of the cloud
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cloud = origin->partialClone(ref);
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if (!cloud)
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{
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ccLog::Warning("[CorePoints::prepare] Failed to subsampled the origin cloud (not enough memory)");
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return false;
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}
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return true;
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}
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