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Jmol: an open-source Java viewer for chemical structures in 3D
/* $RCSfile$
* $Author: hansonr $
* $Date: 2011-09-24 17:10:19 +0200 (sam., 24 sept. 2011) $
* $Revision: 16103 $
*
* Copyright (C) 2002-2006 Miguel, Jmol Development, www.jmol.org
*
* Contact: [email protected]
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jmol.shape;
import java.util.BitSet;
import javax.vecmath.Point3f;
import javax.vecmath.Vector3f;
import org.jmol.api.SymmetryInterface;
import org.jmol.constant.EnumAxesMode;
import org.jmol.util.Escape;
import org.jmol.viewer.JmolConstants;
public class Axes extends FontLineShape {
Point3f axisXY = new Point3f();
float scale;
private Point3f fixedOrigin;
final Point3f originPoint = new Point3f();
final Point3f[] axisPoints = new Point3f[6];
final static Point3f pt0 = new Point3f();
String[] labels;
{
for (int i = 6; --i >= 0; )
axisPoints[i] = new Point3f();
}
Point3f getOriginPoint(boolean isDataFrame) {
return (isDataFrame ? pt0 : originPoint);
}
final Point3f ptTemp = new Point3f();
Point3f getAxisPoint(int i, boolean isDataFrame) {
if (!isDataFrame && axisXY.z == 0)
return axisPoints[i];
ptTemp.set(axisPoints[i]);
ptTemp.sub(originPoint);
ptTemp.scale(0.5f);
return ptTemp;
}
private final static float MIN_AXIS_LEN = 1.5f;
@Override
public void setProperty(String propertyName, Object value, BitSet bs) {
if ("position" == propertyName) {
axisXY = (Point3f) value;
// z = 0 for no set xy position (default)
// z = -Float.MAX_VALUE for percent
// z = Float.MAX_VALUE for positioned
return;
}
if ("origin" == propertyName) {
if (value == null) {
fixedOrigin = null;
} else {
if (fixedOrigin == null)
fixedOrigin = new Point3f();
fixedOrigin.set((Point3f) value);
}
initShape();
return;
}
if ("labels" == propertyName) {
labels = (String[]) value;
return;
}
if ("labelsOn" == propertyName) {
labels = null;
return;
}
if ("labelsOff" == propertyName) {
labels = new String[] {"", "", ""};
return;
}
super.setProperty(propertyName, value, bs);
}
@Override
public void initShape() {
super.initShape();
myType = "axes";
font3d = g3d.getFont3D(JmolConstants.AXES_DEFAULT_FONTSIZE);
EnumAxesMode axesMode = viewer.getAxesMode();
if (fixedOrigin == null)
originPoint.set(0, 0, 0);
else
originPoint.set(fixedOrigin);
if (axesMode == EnumAxesMode.UNITCELL
&& modelSet.getCellInfos() != null) {
SymmetryInterface unitcell = viewer.getCurrentUnitCell();
if (unitcell != null) {
Point3f[] vectors = unitcell.getUnitCellVertices();
Point3f offset = unitcell.getCartesianOffset();
if (fixedOrigin == null) {
originPoint.set(offset);
} else {
offset = fixedOrigin;
}
scale = viewer.getAxesScale() / 2f;
// We must divide by 2 because that is the default for ALL axis types.
// Not great, but it will have to do.
axisPoints[0].scaleAdd(scale, vectors[4], offset);
axisPoints[1].scaleAdd(scale, vectors[2], offset);
axisPoints[2].scaleAdd(scale, vectors[1], offset);
return;
}
} else if (axesMode == EnumAxesMode.BOUNDBOX) {
if (fixedOrigin == null)
originPoint.set(viewer.getBoundBoxCenter());
}
setScale(viewer.getAxesScale() / 2f);
}
@Override
public Object getProperty(String property, int index) {
if (property == "axisPoints")
return axisPoints;
if (property == "origin")
return fixedOrigin;
if (property == "axesTypeXY")
return (axisXY.z == 0 ? Boolean.FALSE : Boolean.TRUE);
return null;
}
Vector3f corner = new Vector3f();
void setScale(float scale) {
this.scale = scale;
corner.set(viewer.getBoundBoxCornerVector());
for (int i = 6; --i >= 0;) {
Point3f axisPoint = axisPoints[i];
axisPoint.set(JmolConstants.unitAxisVectors[i]);
// we have just set the axisPoint to be a unit on a single axis
// therefore only one of these values (x, y, or z) will be nonzero
// it will have value 1 or -1
if (corner.x < MIN_AXIS_LEN)
corner.x = MIN_AXIS_LEN;
if (corner.y < MIN_AXIS_LEN)
corner.y = MIN_AXIS_LEN;
if (corner.z < MIN_AXIS_LEN)
corner.z = MIN_AXIS_LEN;
if (axisXY.z == 0) {
axisPoint.x *= corner.x * scale;
axisPoint.y *= corner.y * scale;
axisPoint.z *= corner.z * scale;
}
axisPoint.add(originPoint);
}
}
@Override
public String getShapeState() {
StringBuffer sb = new StringBuffer();
sb.append(" axes scale ").append(viewer.getAxesScale()).append(";\n");
if (fixedOrigin != null)
sb.append(" axes center ")
.append(Escape.escape(fixedOrigin)).append(";\n");
if (axisXY.z != 0)
sb.append(" axes position [")
.append((int) axisXY.x).append(" ")
.append((int) axisXY.y).append(" ")
.append(axisXY.z < 0 ? " %" : "").append("];\n");
if (labels != null) {
sb.append(" axes labels ");
for (int i = 0; i < labels.length; i++)
sb.append(Escape.escape(labels[i])).append(" ");
sb.append(";\n");
}
return super.getShapeState() + sb;
}
}