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Class for axis handling. PHP versions 4 and 5
| Author: | Jesper Veggerby <pear.nosey@veggerby.dk> |
| Copyright: | Copyright (C) 2003, 2004 Jesper Veggerby Hansen |
| License: | http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
| Version: | CVS: $Id: Logarithmic.php,v 1.15 2006/03/02 12:35:57 nosey Exp $ |
| Poids: | 152 lignes (5 kb) |
| Inclus ou requis: | 0 fois |
| Référencé: | 0 fois |
| Nécessite: | 1 fichier Image/Graph/Axis.php |
Image_Graph_Axis_Logarithmic:: (5 méthodes):
Image_Graph_Axis_Logarithmic()
_calcLabelInterval()
_value()
_getNextLabel()
_intersectPoint()
Classe: Image_Graph_Axis_Logarithmic - X-Ref
Diplays a logarithmic axis (either X- or Y-axis).| Image_Graph_Axis_Logarithmic($type = IMAGE_GRAPH_AXIS_X) X-Ref |
| Image_Graph_AxisLogarithmic [Constructor]. Normally a manual creation should not be necessary, axis are created automatically by the {@link Image_Graph_Plotarea} constructor unless explicitly defined otherwise param: int $type The type (direction) of the Axis, use IMAGE_GRAPH_AXIS_X |
| _calcLabelInterval() X-Ref |
| Calculate the label interval If explicitly defined this will be calucated to an approximate best. return: double The label interval |
| _value($value) X-Ref |
| Preprocessor for values, ie for using logarithmic axis param: double $value The value to preprocess return: double The preprocessed value |
| _getNextLabel($currentLabel = false, $level = 1) X-Ref |
| Get next label point param: doubt $point The current point, if omitted or false, the first is return: double The next label point |
| _intersectPoint($value) X-Ref |
| Get the axis intersection pixel position This is only to be called prior to output! I.e. between the user invokation of Image_Graph::done() and any actual output is performed. This is because it can change the axis range. param: double $value the intersection value to get the pixel-point for return: double The pixel position along the axis |
| Généré le : Sun Feb 25 10:22:19 2007 | par Balluche grâce à PHPXref 0.7 |