「Raster Properties Dialog:Histogram Tab」の版間の差分

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(ページの作成: <H3> Histogram Tab </H3> <P> The Histogram tab allows you to view the distribution<A NAME="145"></A> of the bands or colors in your raster. You must first generate the raster s…)
 
([Raster Properties Dialog:Histogram Tab]箇所のタグ調整)
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<H3>
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==Histogram Tab==
Histogram Tab
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</H3>
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<P>
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The {{Template:Tab|Histogram}} tab allows you to view the distribution  
The Histogram tab allows you to view the distribution<A NAME="145"></A>
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of the bands or colors in your raster. You must first generate the raster statistics  
 
of the bands or colors in your raster. You must first generate the raster statistics  
by clicking the Refresh button. You can choose which bands to display by  
+
by clicking the {{Template:Button|Refresh}} button. You can choose which bands to display by  
 
selecting them in the list box at the bottom left of the tab. Two different
 
selecting them in the list box at the bottom left of the tab. Two different
 
chart types are allowed:  
 
chart types are allowed:  
  
<P>
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*Bar chart
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*Line graph
  
<UL>
 
<LI>Bar chart
 
</LI>
 
<LI>Line graph
 
</LI>
 
</UL>
 
 
<P>
 
 
You can define the number of chart columns to use and decide whether you want  
 
You can define the number of chart columns to use and decide whether you want  
to Allow approximation or display out of range values  
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to {{Template:CheckBox|Allow approximation}} or display {{Template:CheckBox|out of range}} values  
 
Once you view the histogram, you'll notice that the band statistics have been
 
Once you view the histogram, you'll notice that the band statistics have been
populated on the metadata tab.<A NAME="152"></A>
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populated on the {{Template:Tab|metadata}} tab.
  
<P>
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----
<BR>
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Tip 24 Gathering Raster Statistics
<IMG
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----
WIDTH="381" HEIGHT="11" ALIGN="BOTTOM" BORDER="0"
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To gather statistics for a layer, select pseudocolor rendering and click the {{Template:Button|Apply}} button. Gathering statistics
SRC="img2.png"
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for a layer can be time consuming. Please be patient while QGIS examines your data!
ALT="\begin{Tip}
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----
% latex2html id marker 153
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\caption{\textsc{Gathering Raster Statist...
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...tient while QGIS examines your
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data!\index{raster layers!statistics}
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}
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\end{Tip}">
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<BR>
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2009年9月9日 (水) 01:16時点における版

Histogram Tab

The Histogram tab allows you to view the distribution of the bands or colors in your raster. You must first generate the raster statistics by clicking the Refresh button. You can choose which bands to display by selecting them in the list box at the bottom left of the tab. Two different chart types are allowed:

  • Bar chart
  • Line graph

You can define the number of chart columns to use and decide whether you want to CheckBox.pngAllow approximation or display CheckBox.pngout of range values Once you view the histogram, you'll notice that the band statistics have been populated on the metadata tab.


Tip 24 Gathering Raster Statistics


To gather statistics for a layer, select pseudocolor rendering and click the Apply button. Gathering statistics for a layer can be time consuming. Please be patient while QGIS examines your data!