src/pmview/colormod.cpp

   1 /*
   2  * Copyright (c) 1997 Silicon Graphics, Inc.  All Rights Reserved.
   3  * Copyright (c) 2009 Aconex.  All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15 #include <Inventor/nodes/SoBaseColor.h>
  16 #include <Inventor/nodes/SoSeparator.h>
  17 #include "main.h"
  18 #include "colormod.h"
  19 #include "modlist.h"
  20 #include "launch.h"
  21
  22 #include <iostream>
  23 using namespace std;
  24
  25 ColorMod::~ColorMod()
  26 {
  27 }
  28
  29 ColorMod::ColorMod(const char *metric, double scale,
  30                            const ColorScale &colors, SoNode *obj)
  31 : Modulate(metric, scale),
  32   _state(Modulate::start),
  33   _scale(colors),
  34   _color(0)
  35 {
  36     _root = new SoSeparator;
  37     _color = new SoBaseColor;
  38
  39     _color->rgb.setValue(_errorColor.getValue());
  40     _root->addChild(_color);
  41     _root->addChild(obj);
  42
  43     if (_metrics->numValues() == 1 && _scale.numSteps() && status() >= 0) {
  44         add();
  45 #ifdef PCP_DEBUG
  46         if (pmDebug & DBG_TRACE_APPL2)
  47             cerr << "ColorMod: Added " << metric << " (Id = "
  48                  << _root->getName().getString() << ")" << endl;
  49 #endif
  50
  51     }
  52     else if (_metrics->numValues() > 1) {
  53         warningMsg(_POS_,
  54                        "Color modulated metric (%s) has more than one value (%d)",
  55                        metric, _metrics->numValues());
  56     }
  57     else if (_scale.numSteps() == 0) {
  58         warningMsg(_POS_,
  59                        "No color steps for color modulated metric (%s)",
  60                        metric);
  61     }
  62 }
  63
  64 void
  65 ColorMod::refresh(bool fetchFlag)
  66 {
  67     QmcMetric &metric = _metrics->metric(0);
  68
  69     if (status() < 0)
  70         return;
  71
  72     if (fetchFlag)
  73         metric.update();
  74
  75     if (metric.error(0) <= 0) {
  76         if (_state != Modulate::error) {
  77             _color->rgb.setValue(_errorColor.getValue());
  78             _state = Modulate::error;
  79         }
  80     }
  81     else {
  82         double value = metric.value(0) * theScale;
  83         if (value > theNormError) {
  84             if (_state != Modulate::saturated) {
  85                 _color->rgb.setValue(Modulate::_saturatedColor);
  86                 _state = Modulate::saturated;
  87             }
  88         }
  89         else {
  90             if (_state != Modulate::normal)
  91                 _state = Modulate::normal;
  92             _color->rgb.setValue(_scale.step(value).color().getValue());
  93         }
  94     }
  95 }
  96
  97 void
  98 ColorMod::dump(QTextStream &os) const
  99 {
 100     os << "ColorMod: ";
 101     if (status() < 0)
 102         os << "Invalid Metric: " << pmErrStr(status()) << endl;
 103     else {
 104         os << "state = ";
 105         dumpState(os, _state);
 106         os << ", scale = " << _scale << ": ";
 107         _metrics->metric(0).dump(os, true);
 108     }
 109 }
 110
 111 void
 112 ColorMod::infoText(QString &str, bool) const
 113 {
 114     const QmcMetric &metric = _metrics->metric(0);
 115     str = metric.spec(true, true, 0);
 116     str.append(QChar('\n'));
 117     if (_state == Modulate::error)
 118         str.append(theErrorText);
 119     else if (_state == Modulate::start)
 120         str.append(theStartText);
 121     else {
 122         QString value;
 123         str.append(value.setNum(metric.realValue(0), 'g', 4));
 124         str.append(QChar(' '));
 125         if (metric.desc().units().length() > 0)
 126             str.append(metric.desc().units());
 127         str.append(" [");
 128         str.append(value.setNum(metric.value(0) * 100.0 * theScale, 'g', 4));
 129         str.append("% of color scale]");
 130     }
 131 }
 132
 133 void
 134 ColorMod::launch(Launch &launch, bool) const
 135 {
 136     if (status() < 0)
 137         return;
 138     launch.startGroup("point");
 139     launch.addMetric(_metrics->metric(0), _scale, 0);
 140     launch.endGroup();
 141 }
 142
 143 int
 144 ColorMod::select(SoPath *)
 145 {
 146 #ifdef PCP_DEBUG
 147     if (pmDebug & DBG_TRACE_APPL2)
 148         cerr << "ColorMod::select: " << _metrics->metric(0) << endl;
 149 #endif
 150     return 1;
 151 }
 152
 153 int
 154 ColorMod::remove(SoPath *)
 155 {
 156 #ifdef PCP_DEBUG
 157     if (pmDebug & DBG_TRACE_APPL2)
 158         cerr << "ColorMod::remove: " << _metrics->metric(0) << endl;
 159 #endif
 160     return 0;
 161 }