                  <td>The the gradient and the colors of the heat map can be manually set in the controller and then bound to the heatmap.<br>
                                    $scope.gradientData1 = {
										'0.4' : 'aqua',
										'.5' : 'green',
										'.8' : 'yellow',
										'.95' : 'red'
									};
                                    </td>
                                </tr>
                                <tr>
                                    <td>domain</td>
                        