source: XIOS/trunk/src/transformation/axis_algorithm_zoom.cpp @ 787

Last change on this file since 787 was 787, checked in by mhnguyen, 5 years ago

Changing name of attributes of zoom

Test
+) test_client and test_complete are correct

File size: 2.6 KB
Line 
1/*!
2   \file axis_algorithm_zoom.cpp
3   \author Ha NGUYEN
4   \since 03 June 2015
5   \date 12 June 2015
6
7   \brief Algorithm for zooming on an axis.
8 */
9#include "axis_algorithm_zoom.hpp"
10
11namespace xios {
12
13CAxisAlgorithmZoom::CAxisAlgorithmZoom(CAxis* axisDestination, CAxis* axisSource, CZoomAxis* zoomAxis)
14: CAxisAlgorithmTransformation(axisDestination, axisSource)
15{
16  zoomAxis->checkValid(axisSource);
17  zoomBegin_ = zoomAxis->begin.getValue();
18  zoomSize_  = zoomAxis->n.getValue();
19  zoomEnd_   = zoomBegin_ + zoomSize_ - 1;
20
21  if (zoomSize_ > axisSource->n_glo.getValue())
22  {
23    ERROR("CAxisAlgorithmZoom::CAxisAlgorithmZoom(CAxis* axisDestination, CAxis* axisSource, CZoomAxis* zoomAxis)",
24           << "Zoom size is greater than global size of axis source"
25           << "Global size of axis source " <<axisSource->getId() << " is " << axisSource->n_glo.getValue()  << std::endl
26           << "Zoom size is " << zoomSize_ );
27  }
28
29  computeIndexSourceMapping();
30}
31
32/*!
33  Compute the index mapping between axis on grid source and one on grid destination
34*/
35void CAxisAlgorithmZoom::computeIndexSourceMapping()
36{
37  StdSize niSource = axisSrc_->n.getValue();
38  StdSize ibeginSource = axisSrc_->begin.getValue();
39  StdSize iendSource = ibeginSource + niSource - 1;
40
41  StdSize ibegin = std::max(ibeginSource, zoomBegin_);
42  StdSize iend = std::min(iendSource, zoomEnd_);
43  StdSize ni = iend + 1 - ibegin;
44  if (iend < ibegin) ni = 0;
45
46  std::map<int, std::vector<int> >& transMap = this->transformationMapping_;
47  std::map<int, std::vector<double> >& transWeight = this->transformationWeight_;
48  for (StdSize idx = 0; idx < ni; ++idx)
49  {
50    transMap[ibegin+idx].push_back(ibegin+idx);
51    transWeight[ibegin+idx].push_back(1.0);
52  }
53
54  updateZoom();
55  updateAxisDestinationMask();
56}
57
58/*!
59  After a zoom on axis, it should be certain that (global) zoom begin and (global) zoom size are updated
60*/
61void CAxisAlgorithmZoom::updateZoom()
62{
63  axisDest_->global_zoom_begin = zoomBegin_;
64  axisDest_->global_zoom_size  = zoomSize_;
65}
66
67/*!
68  Update mask on axis
69  Because only zoomed region on axis is not masked, the remaining must be masked to make sure
70correct index be extracted
71*/
72void CAxisAlgorithmZoom::updateAxisDestinationMask()
73{
74  StdSize niMask = axisDest_->mask.numElements();
75  StdSize iBeginMask = axisDest_->begin.getValue();
76  StdSize globalIndexMask = 0;
77  std::map<int, std::vector<int> >& transMap = this->transformationMapping_;
78  std::map<int, std::vector<int> >::const_iterator ite = (transMap).end();
79  for (StdSize idx = 0; idx < niMask; ++idx)
80  {
81    globalIndexMask = iBeginMask + idx;
82    if (transMap.find(globalIndexMask) == ite)
83      (axisDest_->mask)(idx) = false;
84  }
85}
86
87}
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