001 /*
002 * $Id: HydraPlanViewControl.java,v 1.8 2012/02/19 17:35:38 davep Exp $
003 *
004 * This file is part of McIDAS-V
005 *
006 * Copyright 2007-2012
007 * Space Science and Engineering Center (SSEC)
008 * University of Wisconsin - Madison
009 * 1225 W. Dayton Street, Madison, WI 53706, USA
010 * https://www.ssec.wisc.edu/mcidas
011 *
012 * All Rights Reserved
013 *
014 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
015 * some McIDAS-V source code is based on IDV and VisAD source code.
016 *
017 * McIDAS-V is free software; you can redistribute it and/or modify
018 * it under the terms of the GNU Lesser Public License as published by
019 * the Free Software Foundation; either version 3 of the License, or
020 * (at your option) any later version.
021 *
022 * McIDAS-V is distributed in the hope that it will be useful,
023 * but WITHOUT ANY WARRANTY; without even the implied warranty of
024 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
025 * GNU Lesser Public License for more details.
026 *
027 * You should have received a copy of the GNU Lesser Public License
028 * along with this program. If not, see http://www.gnu.org/licenses.
029 */
030
031 package edu.wisc.ssec.mcidasv.control;
032
033
034 import ucar.unidata.data.DataChoice;
035 import ucar.unidata.data.grid.GridUtil;
036
037 import ucar.unidata.idv.DisplayConventions;
038 import ucar.unidata.idv.control.ImagePlanViewControl;
039
040 import ucar.unidata.ui.colortable.ColorTableManager;
041 import ucar.unidata.util.GuiUtils;
042 import ucar.unidata.util.Misc;
043 import ucar.unidata.util.Range;
044 import ucar.unidata.util.ColorTable;
045
046 import ucar.visad.display.DisplayableData;
047 import ucar.visad.display.Grid2DDisplayable;
048
049 import visad.*;
050 import visad.VisADException;
051
052 import java.rmi.RemoteException;
053
054 import java.util.List;
055
056 /**
057 * Class for controlling the display of images.
058 * @author IDV Development Group
059 * @version $Revision: 1.8 $
060 */
061 public class HydraPlanViewControl extends ImagePlanViewControl {
062
063 /**
064 * Default constructor. Sets the attribute flags used by
065 * this particular <code>PlanViewControl</code>
066 */
067 public HydraPlanViewControl() {
068 super();
069 setAttributeFlags(FLAG_COLORTABLE | FLAG_DISPLAYUNIT
070 | FLAG_ZPOSITION | FLAG_SKIPFACTOR);
071 }
072
073 /**
074 * Method to create the particular <code>DisplayableData</code> that
075 * this this instance uses for data depictions.
076 * @return Contour2DDisplayable for this instance.
077 *
078 * @throws VisADException VisAD error
079 * @throws RemoteException RMI error
080 */
081 protected DisplayableData createPlanDisplay()
082 throws VisADException, RemoteException {
083 Grid2DDisplayable gridDisplay =
084 new Grid2DDisplayable("ImagePlanViewControl_" + ((datachoice != null)
085 ? datachoice.toString()
086 : ""), true);
087 gridDisplay.setTextureEnable(true);
088 /* TODO: Find out why this causes redisplays
089 if (BaseImageControl.EMPTY_IMAGE != null) {
090 gridDisplay.loadData(BaseImageControl.EMPTY_IMAGE);
091 }
092 */
093 //gridDisplay.setUseRGBTypeForSelect(true);
094 addAttributedDisplayable(gridDisplay);
095 return gridDisplay;
096 }
097
098 /**
099 * Get the initial color table for the data
100 *
101 * @return intitial color table
102 */
103 protected ColorTable getInitialColorTable() {
104 /*
105 DisplayConventions dc = getDisplayConventions();
106 List colorNames = dc.getColorNameList();
107 ColorTable colorTable = super.getInitialColorTable();
108 if (colorTable.getName().equalsIgnoreCase("default")) {
109 colorTable = dc.getParamColorTable("image");
110 }
111 */
112 ColorTableManager ctm = getControlContext().getColorTableManager();
113 ColorTable colorTable = ctm.getColorTable("ColorTable_AOD");
114 return colorTable;
115 }
116
117
118 /**
119 * Get whether this display should allow smoothing
120 * @return true if allows smoothing.
121 */
122 public boolean getAllowSmoothing() {
123 return false;
124 }
125
126
127 /**
128 * Get the initial range for the data and color table.
129 * @return initial range
130 *
131 * @throws RemoteException Java RMI error
132 * @throws VisADException VisAD Error
133 */
134 protected Range getInitialRange() throws RemoteException, VisADException {
135 Range range = getDisplayConventions().getParamRange(paramName,
136 getDisplayUnit());
137 System.out.println(paramName);
138 System.out.println(range);
139 //Don't do this for now
140 /**
141 if (range == null) {
142 range = getRangeFromColorTable();
143 if ((range != null) && (range.getMin() == range.getMax())) {
144 range = null;
145 }
146 }
147
148 if (range == null) {
149 range = getDisplayConventions().getParamRange("image",
150 getDisplayUnit());
151 }
152 if (range == null) {
153 return new Range(0, 255);
154 }
155 **/
156 range = new Range((double)0.0, (double)0.99);
157 return range;
158 }
159
160 /**
161 * Get the slice for the display
162 *
163 * @param slice slice to use
164 *
165 * @return slice with skip value applied
166 *
167 * @throws VisADException problem subsetting the slice
168 */
169 protected FieldImpl getSliceForDisplay(FieldImpl slice)
170 throws VisADException {
171 checkImageSize(slice);
172 if (getSkipValue() <= 0) {
173 return slice;
174 }
175 return GridUtil.subset(slice, getSkipValue() + 1);
176 }
177
178 /**
179 * Return the label that is to be used for the skip widget
180 * This allows derived classes to override this and provide their
181 * own name,
182 *
183 * @return Label used for the line width widget
184 */
185 public String getSkipWidgetLabel() {
186 return "Pixel Sampling";
187 }
188
189 }