[QGIS Commit] r14953 - trunk/qgis/python/plugins/fTools/tools

svn_qgis at osgeo.org svn_qgis at osgeo.org
Mon Dec 20 20:52:43 EST 2010


Author: cfarmer
Date: 2010-12-20 17:52:42 -0800 (Mon, 20 Dec 2010)
New Revision: 14953

Modified:
   trunk/qgis/python/plugins/fTools/tools/doSpatialJoin.py
   trunk/qgis/python/plugins/fTools/tools/frmSpatialJoin.ui
Log:
Adds median value to summary when joining layers with numeric data

Modified: trunk/qgis/python/plugins/fTools/tools/doSpatialJoin.py
===================================================================
--- trunk/qgis/python/plugins/fTools/tools/doSpatialJoin.py	2010-12-21 01:27:52 UTC (rev 14952)
+++ trunk/qgis/python/plugins/fTools/tools/doSpatialJoin.py	2010-12-21 01:52:42 UTC (rev 14953)
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #-----------------------------------------------------------
-# 
+#
 # Spatial Join
 #
 # Performing an attribute join between vector layers based on spatial
@@ -14,23 +14,23 @@
 # WEB  : www.geog.uvic.ca/spar/carson
 #
 #-----------------------------------------------------------
-# 
+#
 # licensed under the terms of GNU GPL 2
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program 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 General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-# 
+#
 #---------------------------------------------------------------------
 
 from PyQt4.QtCore import *
@@ -39,6 +39,23 @@
 from qgis.core import *
 from ui_frmSpatialJoin import Ui_Dialog
 
+def myself(L):
+    #median computation
+    nVal = len(L)
+    if nVal == 1:
+        return L[0]
+    L.sort()
+    #test for list length
+    medianVal = 0
+    if nVal > 1:
+        if ( nVal % 2 ) == 0:
+            #index begin at 0
+            #remove 1 to index in standard median computation
+            medianVal = 0.5 * ( (L[ (nVal) / 2  - 1]) + (L[ (nVal) / 2 ] ))
+        else:
+            medianVal = L[ (nVal + 1) / 2 - 1]
+    return medianVal
+
 class Dialog(QDialog, Ui_Dialog):
 
     def __init__(self, iface):
@@ -55,7 +72,7 @@
         layers = ftools_utils.getLayerNames([QGis.Point, QGis.Line, QGis.Polygon])
         self.inShape.addItems(layers)
         self.joinShape.addItems(layers)
-    
+
     def accept(self):
         self.buttonOk.setEnabled( False )
         if self.inShape.currentText() == "":
@@ -64,7 +81,7 @@
             QMessageBox.information(self, self.tr("Spatial Join"), self.tr("Please specify output shapefile") )
         elif self.joinShape.currentText() == "":
             QMessageBox.information(self, self.tr("Spatial Join"), self.tr("Please specify join vector layer") )
-        elif self.rdoSummary.isChecked() and not (self.chkMean.isChecked() or self.chkSum.isChecked() or self.chkMin.isChecked() or self.chkMax.isChecked() or self.chkMean.isChecked()):
+        elif self.rdoSummary.isChecked() and not (self.chkMean.isChecked() or self.chkSum.isChecked() or self.chkMin.isChecked() or self.chkMax.isChecked() or self.chkMean.isChecked() or self.chkMedian.isChecked()):
             QMessageBox.information(self, self.tr("Spatial Join"), self.tr("Please specify at least one summary statistic") )
         else:
             inName = self.inShape.currentText()
@@ -77,6 +94,7 @@
                 if self.chkMean.isChecked(): sumList.append("MEAN")
                 if self.chkMin.isChecked(): sumList.append("MIN")
                 if self.chkMax.isChecked(): sumList.append("MAX")
+                if self.chkMedian.isChecked(): sumList.append("MED")
             else:
                 summary = False
                 sumList = ["all"]
@@ -120,7 +138,7 @@
         provider2.select(allAttrs)
         fieldList2 = ftools_utils.getFieldList(layer2)
         fieldList = []
-        if provider1.crs() <> provider2.crs():
+        if provider1.crs() != provider2.crs():
             QMessageBox.warning(self, self.tr("CRS warning!"), self.tr("Warning: Input layers have non-matching CRS.\nThis may cause unexpected results."))
         if not summary:
             fieldList2 = ftools_utils.testForUniqueness(fieldList1, fieldList2.values())
@@ -141,7 +159,7 @@
             fieldList1.extend(fieldList)
             seq = range(0, len(fieldList1))
             fieldList1 = dict(zip(seq, fieldList1))
-        
+
         # check for correct field names
         longNames = ftools_utils.checkFieldNameLength( fieldList1 )
         if not longNames.isEmpty():
@@ -149,7 +167,7 @@
                         self.tr( 'No output will be created.\nFollowing field names are longer than 10 characters:\n%1' )
                         .arg( longNames.join( '\n' ) ) )
             return False
-        
+
         sRs = provider1.crs()
         progressBar.setValue(13)
         check = QFile(self.shapefileName)
@@ -215,6 +233,7 @@
                             if k == "SUM": atMap.append(QVariant(sum(numFields[j])))
                             elif k == "MEAN": atMap.append(QVariant(sum(numFields[j]) / count))
                             elif k == "MIN": atMap.append(QVariant(min(numFields[j])))
+                            elif k == "MED": atMap.append(QVariant(myself(numFields[j])))
                             else: atMap.append(QVariant(max(numFields[j])))
                         numFields[j] = []
                     atMap.append(QVariant(count))

Modified: trunk/qgis/python/plugins/fTools/tools/frmSpatialJoin.ui
===================================================================
--- trunk/qgis/python/plugins/fTools/tools/frmSpatialJoin.ui	2010-12-21 01:27:52 UTC (rev 14952)
+++ trunk/qgis/python/plugins/fTools/tools/frmSpatialJoin.ui	2010-12-21 01:52:42 UTC (rev 14953)
@@ -1,81 +1,82 @@
-<ui version="4.0" >
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
  <class>Dialog</class>
- <widget class="QDialog" name="Dialog" >
-  <property name="windowModality" >
+ <widget class="QDialog" name="Dialog">
+  <property name="windowModality">
    <enum>Qt::NonModal</enum>
   </property>
-  <property name="geometry" >
+  <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>377</width>
+    <width>439</width>
     <height>466</height>
    </rect>
   </property>
-  <property name="windowTitle" >
+  <property name="windowTitle">
    <string>Spatial Join</string>
   </property>
-  <property name="sizeGripEnabled" >
+  <property name="sizeGripEnabled">
    <bool>true</bool>
   </property>
-  <layout class="QGridLayout" name="gridLayout" >
-   <item row="0" column="0" colspan="3" >
-    <layout class="QVBoxLayout" >
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="3">
+    <layout class="QVBoxLayout">
      <item>
-      <widget class="QLabel" name="label_3" >
-       <property name="text" >
+      <widget class="QLabel" name="label_3">
+       <property name="text">
         <string>Target vector layer</string>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QComboBox" name="inShape" />
+      <widget class="QComboBox" name="inShape"/>
      </item>
     </layout>
    </item>
-   <item row="1" column="0" colspan="3" >
-    <layout class="QVBoxLayout" >
+   <item row="1" column="0" colspan="3">
+    <layout class="QVBoxLayout">
      <item>
-      <widget class="QLabel" name="label" >
-       <property name="text" >
+      <widget class="QLabel" name="label">
+       <property name="text">
         <string>Join vector layer</string>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QComboBox" name="joinShape" />
+      <widget class="QComboBox" name="joinShape"/>
      </item>
     </layout>
    </item>
-   <item row="2" column="0" colspan="3" >
-    <widget class="QGroupBox" name="groupBox_2" >
-     <property name="title" >
+   <item row="2" column="0" colspan="3">
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
       <string>Attribute Summary</string>
      </property>
-     <layout class="QGridLayout" >
-      <item row="0" column="0" colspan="6" >
-       <widget class="QRadioButton" name="rdoFirst" >
-        <property name="text" >
+     <layout class="QGridLayout">
+      <item row="0" column="0" colspan="7">
+       <widget class="QRadioButton" name="rdoFirst">
+        <property name="text">
          <string>Take attributes of first located feature</string>
         </property>
-        <property name="checked" >
+        <property name="checked">
          <bool>true</bool>
         </property>
        </widget>
       </item>
-      <item row="1" column="0" colspan="6" >
-       <widget class="QRadioButton" name="rdoSummary" >
-        <property name="text" >
+      <item row="1" column="0" colspan="7">
+       <widget class="QRadioButton" name="rdoSummary">
+        <property name="text">
          <string>Take summary of intersecting features</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="0" >
+      <item row="2" column="0">
        <spacer>
-        <property name="orientation" >
+        <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
-        <property name="sizeHint" stdset="0" >
+        <property name="sizeHint" stdset="0">
          <size>
           <width>40</width>
           <height>20</height>
@@ -83,55 +84,55 @@
         </property>
        </spacer>
       </item>
-      <item row="2" column="1" >
-       <widget class="QCheckBox" name="chkMean" >
-        <property name="enabled" >
+      <item row="2" column="1">
+       <widget class="QCheckBox" name="chkMean">
+        <property name="enabled">
          <bool>false</bool>
         </property>
-        <property name="text" >
+        <property name="text">
          <string>Mean</string>
         </property>
-        <property name="checked" >
+        <property name="checked">
          <bool>true</bool>
         </property>
        </widget>
       </item>
-      <item row="2" column="2" >
-       <widget class="QCheckBox" name="chkMin" >
-        <property name="enabled" >
+      <item row="2" column="2">
+       <widget class="QCheckBox" name="chkMin">
+        <property name="enabled">
          <bool>false</bool>
         </property>
-        <property name="text" >
+        <property name="text">
          <string>Min</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="3" >
-       <widget class="QCheckBox" name="chkMax" >
-        <property name="enabled" >
+      <item row="2" column="3">
+       <widget class="QCheckBox" name="chkMax">
+        <property name="enabled">
          <bool>false</bool>
         </property>
-        <property name="text" >
+        <property name="text">
          <string>Max</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="4" >
-       <widget class="QCheckBox" name="chkSum" >
-        <property name="enabled" >
+      <item row="2" column="4">
+       <widget class="QCheckBox" name="chkSum">
+        <property name="enabled">
          <bool>false</bool>
         </property>
-        <property name="text" >
+        <property name="text">
          <string>Sum</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="5" >
+      <item row="2" column="6">
        <spacer>
-        <property name="orientation" >
+        <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
-        <property name="sizeHint" stdset="0" >
+        <property name="sizeHint" stdset="0">
          <size>
           <width>40</width>
           <height>20</height>
@@ -139,30 +140,40 @@
         </property>
        </spacer>
       </item>
+      <item row="2" column="5">
+       <widget class="QCheckBox" name="chkMedian">
+        <property name="enabled">
+         <bool>false</bool>
+        </property>
+        <property name="text">
+         <string>Median</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
-   <item row="3" column="0" colspan="3" >
-    <layout class="QVBoxLayout" >
+   <item row="3" column="0" colspan="3">
+    <layout class="QVBoxLayout">
      <item>
-      <widget class="QLabel" name="label_2" >
-       <property name="text" >
+      <widget class="QLabel" name="label_2">
+       <property name="text">
         <string>Output Shapefile</string>
        </property>
       </widget>
      </item>
      <item>
-      <layout class="QHBoxLayout" >
+      <layout class="QHBoxLayout">
        <item>
-        <widget class="QLineEdit" name="outShape" >
-         <property name="readOnly" >
+        <widget class="QLineEdit" name="outShape">
+         <property name="readOnly">
           <bool>true</bool>
          </property>
         </widget>
        </item>
        <item>
-        <widget class="QToolButton" name="toolOut" >
-         <property name="text" >
+        <widget class="QToolButton" name="toolOut">
+         <property name="text">
           <string>Browse</string>
          </property>
         </widget>
@@ -171,38 +182,38 @@
      </item>
     </layout>
    </item>
-   <item row="4" column="0" colspan="3" >
-    <widget class="QGroupBox" name="groupBox_3" >
-     <property name="title" >
+   <item row="4" column="0" colspan="3">
+    <widget class="QGroupBox" name="groupBox_3">
+     <property name="title">
       <string>Output table</string>
      </property>
-     <layout class="QGridLayout" >
-      <item row="0" column="0" >
-       <widget class="QRadioButton" name="rdoMatch" >
-        <property name="text" >
+     <layout class="QGridLayout">
+      <item row="0" column="0">
+       <widget class="QRadioButton" name="rdoMatch">
+        <property name="text">
          <string>Only keep matching records</string>
         </property>
-        <property name="checked" >
+        <property name="checked">
          <bool>true</bool>
         </property>
        </widget>
       </item>
-      <item row="1" column="0" >
-       <widget class="QRadioButton" name="rdoKeep" >
-        <property name="text" >
-         <string>Keep all records (includeing non-matching target records)</string>
+      <item row="1" column="0">
+       <widget class="QRadioButton" name="rdoKeep">
+        <property name="text">
+         <string>Keep all records (including non-matching target records)</string>
         </property>
        </widget>
       </item>
      </layout>
     </widget>
    </item>
-   <item rowspan="3" row="5" column="0" colspan="3" >
+   <item row="5" column="0" rowspan="3" colspan="3">
     <spacer>
-     <property name="orientation" >
+     <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
-     <property name="sizeHint" stdset="0" >
+     <property name="sizeHint" stdset="0">
       <size>
        <width>359</width>
        <height>16</height>
@@ -210,25 +221,25 @@
      </property>
     </spacer>
    </item>
-   <item row="7" column="1" >
-    <widget class="QProgressBar" name="progressBar" >
-     <property name="value" >
+   <item row="7" column="1">
+    <widget class="QProgressBar" name="progressBar">
+     <property name="value">
       <number>24</number>
      </property>
-     <property name="alignment" >
+     <property name="alignment">
       <set>Qt::AlignCenter</set>
      </property>
-     <property name="textVisible" >
+     <property name="textVisible">
       <bool>true</bool>
      </property>
     </widget>
    </item>
-   <item rowspan="2" row="6" column="2" >
-    <widget class="QDialogButtonBox" name="buttonBox_2" >
-     <property name="orientation" >
+   <item row="6" column="2" rowspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox_2">
+     <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
-     <property name="standardButtons" >
+     <property name="standardButtons">
       <set>QDialogButtonBox::Close|QDialogButtonBox::Ok</set>
      </property>
     </widget>
@@ -243,11 +254,11 @@
    <receiver>Dialog</receiver>
    <slot>accept()</slot>
    <hints>
-    <hint type="sourcelabel" >
-     <x>142</x>
-     <y>359</y>
+    <hint type="sourcelabel">
+     <x>367</x>
+     <y>450</y>
     </hint>
-    <hint type="destinationlabel" >
+    <hint type="destinationlabel">
      <x>215</x>
      <y>290</y>
     </hint>
@@ -259,11 +270,11 @@
    <receiver>Dialog</receiver>
    <slot>close()</slot>
    <hints>
-    <hint type="sourcelabel" >
-     <x>68</x>
-     <y>359</y>
+    <hint type="sourcelabel">
+     <x>293</x>
+     <y>450</y>
     </hint>
-    <hint type="destinationlabel" >
+    <hint type="destinationlabel">
      <x>132</x>
      <y>239</y>
     </hint>
@@ -275,13 +286,13 @@
    <receiver>chkMin</receiver>
    <slot>setEnabled(bool)</slot>
    <hints>
-    <hint type="sourcelabel" >
-     <x>154</x>
-     <y>183</y>
+    <hint type="sourcelabel">
+     <x>180</x>
+     <y>207</y>
     </hint>
-    <hint type="destinationlabel" >
-     <x>173</x>
-     <y>212</y>
+    <hint type="destinationlabel">
+     <x>179</x>
+     <y>235</y>
     </hint>
    </hints>
   </connection>
@@ -291,13 +302,13 @@
    <receiver>chkMax</receiver>
    <slot>setEnabled(bool)</slot>
    <hints>
-    <hint type="sourcelabel" >
+    <hint type="sourcelabel">
      <x>211</x>
      <y>190</y>
     </hint>
-    <hint type="destinationlabel" >
-     <x>219</x>
-     <y>213</y>
+    <hint type="destinationlabel">
+     <x>240</x>
+     <y>235</y>
     </hint>
    </hints>
   </connection>
@@ -307,11 +318,11 @@
    <receiver>chkSum</receiver>
    <slot>setEnabled(bool)</slot>
    <hints>
-    <hint type="sourcelabel" >
+    <hint type="sourcelabel">
      <x>162</x>
      <y>187</y>
     </hint>
-    <hint type="destinationlabel" >
+    <hint type="destinationlabel">
      <x>283</x>
      <y>214</y>
     </hint>
@@ -323,15 +334,31 @@
    <receiver>chkMean</receiver>
    <slot>setEnabled(bool)</slot>
    <hints>
-    <hint type="sourcelabel" >
-     <x>69</x>
-     <y>182</y>
+    <hint type="sourcelabel">
+     <x>95</x>
+     <y>207</y>
     </hint>
-    <hint type="destinationlabel" >
-     <x>93</x>
-     <y>210</y>
+    <hint type="destinationlabel">
+     <x>123</x>
+     <y>235</y>
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>rdoSummary</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>chkMedian</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>85</x>
+     <y>199</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>372</x>
+     <y>226</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>



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