[814] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[850] | 27 | // $Id: G4DefaultLinearColorMap.cc,v 1.3 2008/08/29 02:50:05 akimura Exp $ |
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| 28 | // GEANT4 tag $Name: HEAD $ |
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[814] | 29 | // |
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| 30 | |
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| 31 | #include "G4DefaultLinearColorMap.hh" |
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| 32 | |
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| 33 | G4DefaultLinearColorMap::G4DefaultLinearColorMap(G4String mName) |
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| 34 | :G4VScoreColorMap(mName) |
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| 35 | {;} |
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| 36 | |
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| 37 | G4DefaultLinearColorMap::~G4DefaultLinearColorMap() |
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| 38 | {;} |
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| 39 | |
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| 40 | void G4DefaultLinearColorMap::GetMapColor(G4double val, G4double color[4]) |
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| 41 | { |
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[850] | 42 | G4double value; |
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| 43 | if(fMaxVal == fMinVal) |
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| 44 | value = 0.; |
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| 45 | else |
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| 46 | value = (val-fMinVal)/(fMaxVal-fMinVal); |
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[814] | 47 | |
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| 48 | if(value > 1.) {value=1.;} |
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| 49 | if(value < 0.) {value=0.;} |
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| 50 | |
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| 51 | // color map |
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| 52 | const int NCOLOR = 6; |
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| 53 | struct ColorMap { |
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| 54 | G4double val; |
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| 55 | G4double rgb[4]; |
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| 56 | } colormap[NCOLOR] = {{0.0, {1., 1., 1., 1.}}, // value, r, g, b, alpha |
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| 57 | {0.2, {0., 0., 1., 1.}}, |
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| 58 | {0.4, {0., 1., 1., 1.}}, |
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| 59 | {0.6, {0., 1., 0., 1.}}, |
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| 60 | {0.8, {1., 1., 0., 1.}}, |
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| 61 | {1.0, {1., 0., 0., 1.}}}; |
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| 62 | |
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| 63 | // search |
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| 64 | G4int during[2] = {0, 0}; |
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| 65 | for(int i = 1; i < NCOLOR; i++) { |
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| 66 | if(colormap[i].val >= value) { |
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| 67 | during[0] = i-1; |
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| 68 | during[1] = i; |
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| 69 | break; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | // interpolate |
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| 74 | G4double a = std::fabs(value - colormap[during[0]].val); |
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| 75 | G4double b = std::fabs(value - colormap[during[1]].val); |
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| 76 | for(int i = 0; i < 4; i++) { |
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| 77 | color[i] = (b*colormap[during[0]].rgb[i] + a*colormap[during[1]].rgb[i]) |
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| 78 | /(colormap[during[1]].val - colormap[during[0]].val); |
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| 79 | } |
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| 80 | |
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| 81 | } |
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| 82 | |
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| 83 | |
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