174 |
// the transformation from canvas coordinates |
// the transformation from canvas coordinates |
175 |
// to frame coordinates. Used for panning and zooming. |
// to frame coordinates. Used for panning and zooming. |
176 |
// |
// |
177 |
// The parameters for coordinate systems are set in setZoomPan. |
// The parameters for coordinate systems are set in setZoomPan: |
178 |
|
// the numbers "42" below are placeholders which get replaced |
179 |
|
// by the setOrthoParams code in setZoomPan |
180 |
// |
// |
181 |
// Now, it is important that it is |
// Now, it is important that it is |
182 |
// 1) transformation-descended from 0, since it is |
// 1) transformation-descended from 0, since it is |