[QGIS Commit] r9270 - in docs/trunk/english_us/user_guide: . images
working_with_projections_screenies working_with_raster_screenies
svn_qgis at osgeo.org
svn_qgis at osgeo.org
Sat Sep 6 03:05:00 EDT 2008
Author: sholl
Date: 2008-09-06 03:04:59 -0400 (Sat, 06 Sep 2008)
New Revision: 9270
Added:
docs/trunk/english_us/user_guide/images/mActionGroupItems.png
docs/trunk/english_us/user_guide/images/mActionLowerItems.png
docs/trunk/english_us/user_guide/images/mActionMoveItemContent.png
docs/trunk/english_us/user_guide/images/mActionMoveItemsToBottom.png
docs/trunk/english_us/user_guide/images/mActionMoveItemsToTop.png
docs/trunk/english_us/user_guide/images/mActionRaiseItems.png
docs/trunk/english_us/user_guide/images/mActionUngroupItems.png
docs/trunk/english_us/user_guide/images/splash.png
docs/trunk/english_us/user_guide/working_with_projections_screenies/customProjectionDialog.png
docs/trunk/english_us/user_guide/working_with_projections_screenies/projectionDialog.png
docs/trunk/english_us/user_guide/working_with_raster_screenies/rasterContext.png
docs/trunk/english_us/user_guide/working_with_raster_screenies/rasterPropertiesDialog.png
Modified:
docs/trunk/english_us/user_guide/ChangeLog
docs/trunk/english_us/user_guide/Makefile
docs/trunk/english_us/user_guide/images/Makefile
docs/trunk/english_us/user_guide/images/mActionAddWmsLayer.png
docs/trunk/english_us/user_guide/qgis_style.sty
docs/trunk/english_us/user_guide/qgis_style.tex
docs/trunk/english_us/user_guide/title.tex
docs/trunk/english_us/user_guide/working_with_ogc.tex
docs/trunk/english_us/user_guide/working_with_projections.tex
docs/trunk/english_us/user_guide/working_with_projections_screenies/Makefile
docs/trunk/english_us/user_guide/working_with_raster.tex
Log:
* title.tex, qgis_style.sty, qgis_style.tex: bumped
version-numbert to the upcoming version 1.0.0 Kore
* working_with_ogc.tex, Makefile,
working_with_projections_screenies/Makefile,
images/Makefile, images/mActionAddWmsLayer.png,
working_with_projections.tex, working_with_raster.tex: Some more
improvements on the texts, especially the projections and
raster-parts. Seems quite good now.
* working_with_projections_screenies/projectionDialog.png,
working_with_projections_screenies/customProjectionDialog.png,
images/mActionLowerItems.png, images/mActionMoveItemContent.png,
images/mActionGroupItems.png, images/mActionUngroupItems.png,
images/mActionMoveItemsToTop.png, images/mActionRaiseItems.png,
images/mActionMoveItemsToBottom.png, images/splash.png,
working_with_raster_screenies/rasterPropertiesDialog.png,
working_with_raster_screenies/rasterContext.png: New. partially
synced with the images-folder from QGIS-SVN.
Modified: docs/trunk/english_us/user_guide/ChangeLog
===================================================================
--- docs/trunk/english_us/user_guide/ChangeLog 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/ChangeLog 2008-09-06 07:04:59 UTC (rev 9270)
@@ -1,3 +1,25 @@
+2008-09-05 Stephan Holl <stephan at keto>
+
+ * title.tex, qgis_style.sty, qgis_style.tex: bumped
+ version-numbert to the upcoming version 1.0.0 Kore
+
+ * working_with_ogc.tex, Makefile,
+ working_with_projections_screenies/Makefile,
+ images/Makefile, images/mActionAddWmsLayer.png,
+ working_with_projections.tex, working_with_raster.tex: Some more
+ improvements on the texts, especially the projections and
+ raster-parts. Seems quite good now.
+
+ * working_with_projections_screenies/projectionDialog.png,
+ working_with_projections_screenies/customProjectionDialog.png,
+ images/mActionLowerItems.png, images/mActionMoveItemContent.png,
+ images/mActionGroupItems.png, images/mActionUngroupItems.png,
+ images/mActionMoveItemsToTop.png, images/mActionRaiseItems.png,
+ images/mActionMoveItemsToBottom.png, images/splash.png,
+ working_with_raster_screenies/rasterPropertiesDialog.png,
+ working_with_raster_screenies/rasterContext.png: New. partially
+ synced with the images-folder from QGIS-SVN.
+
2008-09-04 Stephan Holl <stephan at keto>
* working_with_vector.tex, working_with_raster.tex: added some
Modified: docs/trunk/english_us/user_guide/Makefile
===================================================================
--- docs/trunk/english_us/user_guide/Makefile 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/Makefile 2008-09-06 07:04:59 UTC (rev 9270)
@@ -84,7 +84,7 @@
(cd ./working_with_vector_screenies && make)
(cd ./working_with_raster_screenies && make)
# (cd ./working_with_ogc_screenies && make)
-# (cd ./working_with_projections_screenies && make)
+ (cd ./working_with_projections_screenies && make)
(cd ./grass_integration_screenies && make)
# (cd ./map_composer_screenies && make)
# (cd ./map_server_export_screenies && make)
Modified: docs/trunk/english_us/user_guide/images/Makefile
===================================================================
--- docs/trunk/english_us/user_guide/images/Makefile 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/images/Makefile 2008-09-06 07:04:59 UTC (rev 9270)
@@ -13,6 +13,7 @@
PNG=\
clearInput.eps\
+ splash.eps\
mAction.eps\
mActionAddAllToOverview.eps\
mActionAddIsland.eps\
@@ -112,7 +113,14 @@
mIconSymbology.eps\
mIconUnknownLayerType.eps\
mIconWaitingForLayerType.eps\
- mMapserverExport.eps
+ mMapserverExport.eps \
+ mActionLowerItems.eps \
+ mActionMoveItemContent.eps \
+ mActionGroupItems.eps \
+ mActionUngroupItems.eps \
+ mActionMoveItemsToTop.eps \
+ mActionRaiseItems.eps \
+ mActionMoveItemsToBottom.eps \
##### TARGETS #####
Modified: docs/trunk/english_us/user_guide/images/mActionAddWmsLayer.png
===================================================================
(Binary files differ)
Added: docs/trunk/english_us/user_guide/images/mActionGroupItems.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/mActionGroupItems.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionLowerItems.png
===================================================================
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Property changes on: docs/trunk/english_us/user_guide/images/mActionLowerItems.png
___________________________________________________________________
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+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionMoveItemContent.png
===================================================================
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Property changes on: docs/trunk/english_us/user_guide/images/mActionMoveItemContent.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionMoveItemsToBottom.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/mActionMoveItemsToBottom.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionMoveItemsToTop.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/mActionMoveItemsToTop.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionRaiseItems.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/mActionRaiseItems.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/mActionUngroupItems.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/mActionUngroupItems.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Added: docs/trunk/english_us/user_guide/images/splash.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/images/splash.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Modified: docs/trunk/english_us/user_guide/qgis_style.sty
===================================================================
--- docs/trunk/english_us/user_guide/qgis_style.sty 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/qgis_style.sty 2008-09-06 07:04:59 UTC (rev 9270)
@@ -202,9 +202,9 @@
\usepackage{xspace}
%Macros QGIS Versions
-\def\CURRENT{0.10.0\xspace}
-\def\OLD{0.9.2\xspace}
-\def\VERYOLD{0.8.1\xspace}
+\def\CURRENT{1.0.0\xspace}
+\def\OLD{0.11.0\xspace}
+\def\VERYOLD{0.9.2\xspace}
\usepackage[bookmarks=true, pdftitle={QGIS Manual}, pdfauthor={QGIS Project}, pdfsubject={QGIS Manual}, breaklinks=true, colorlinks=true, linkcolor=blue,dvips]{hyperref}
% if colorlinks=false then add pdfborder={0 0 0} (no link boxes)
Modified: docs/trunk/english_us/user_guide/qgis_style.tex
===================================================================
--- docs/trunk/english_us/user_guide/qgis_style.tex 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/qgis_style.tex 2008-09-06 07:04:59 UTC (rev 9270)
@@ -173,9 +173,9 @@
\usepackage{xspace}
%Macros QGIS Versions
-\def\CURRENT{0.10.0\xspace}
-\def\OLD{0.9.2\xspace}
-\def\VERYOLD{0.8.1\xspace}
+\def\CURRENT{1.0.0\xspace}
+\def\OLD{0.11.0\xspace}
+\def\VERYOLD{0.9.2\xspace}
% bookmarksnumbered=true % needs to be included at the end
\usepackage[bookmarks=true, bookmarksnumbered=false, pdftitle={QGIS Documentation}, pdfauthor={QGIS Project}, pdfsubject={QGIS User Guide}, breaklinks=true, colorlinks=false, linkcolor=black,dvips]{hyperref}
Modified: docs/trunk/english_us/user_guide/title.tex
===================================================================
--- docs/trunk/english_us/user_guide/title.tex 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/title.tex 2008-09-06 07:04:59 UTC (rev 9270)
@@ -12,8 +12,9 @@
\vspace{0.5cm}
\Large{User and Installation \\Guide} \\
\vspace{0.5cm}
-\large{Version ~\CURRENT \textsl{'IO'}}
+\large{Version ~\CURRENT \textsl{'Kore'}}
+\includegraphics[clip=true, scale=0.2]{splash}
\end{center}
\end{titlepage}
Modified: docs/trunk/english_us/user_guide/working_with_ogc.tex
===================================================================
--- docs/trunk/english_us/user_guide/working_with_ogc.tex 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/working_with_ogc.tex 2008-09-06 07:04:59 UTC (rev 9270)
@@ -80,22 +80,10 @@
\hline URL \index{WMS!URL} & URL of the server providing the data.
This must be a resolvable host name; the same format as you would use
to open a telnet connection or ping a host. \\
-% Not needed any more, since it is now available under the global
-% properties of the QGIS-project. (SH, 20080811)
-%
-%%% \hline Proxy Host & Network address or host name of the proxy server
-%%% you would use to access this WMS server, or leave blank if no proxy is needed. \\
-%%% \hline Proxy Port & Port number of the proxy server. \\
-%%% \hline Proxy User & User name used to login to the proxy server. \\
-%%% \hline Proxy Password & Password used to login to the proxy server. \\
\hline
\end{tabular}
\end{table}
-%%% At least \guilabel{Name} and \guilabel{URL} are required entries; the
-%%% \guilabel{proxy} entries
-%%% can be left blank if you have a clear path to your WMS server.
-
If you need to set up a proxy-server to be able to receive WMS-services
from the internet, you can add your proxy-server in the options.
Choose \dropmenuopttwo{mActionOptions}{Options} from the
@@ -221,6 +209,7 @@
\index{Projections!WMS}
\index{Projections!CRS}\index{Projections!coordinate reference system}
\index{CRS}\index{coordinate reference system}
+\index{SRS}\index{Projections!SRS}
A Coordinate Reference System (CRS) is the OGC terminology for a QGIS Projection.
@@ -263,6 +252,7 @@
The formatting of this text is dependent on the particular
WMS server used.
+% FIXME: GetFeatureInfo-Requests are done here?
\subsubsection{Viewing Properties}\label{sec:ogc-wms-properties}\index{WMS!properties}
\index{rasters!properties}
@@ -386,7 +376,7 @@
a transparent proxy, which does supports several authentification methods.
More information can be found at the InteProxy-manual found on the website
\url{http://inteproxy.wald.intevation.org}.
-\index{WMS!secured layers!}
+\index{WMS!secured layers!}\index{OGC!Authentication}
}
\end{Tip}
Modified: docs/trunk/english_us/user_guide/working_with_projections.tex
===================================================================
--- docs/trunk/english_us/user_guide/working_with_projections.tex 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/working_with_projections.tex 2008-09-06 07:04:59 UTC (rev 9270)
@@ -10,7 +10,7 @@
\subsection{Overview of Projection Support}\label{label_projoverview}
QGIS has support for approximately 2,700 known projections.
-Projections are stored in a Sqlite database that is installed with QGIS.
+Projections are stored in a SQLite database that is installed with QGIS.
%Appendix \ref{app:datamodel} contains information about the database and the
% schema.
Normally you do not need to manipulate the database directly. In fact,
@@ -48,7 +48,7 @@
the \dialog{Project Properties} dialog:
\begin{enumerate}
-\item Select \dropmenuopt{mActionOptions}{Project Properties} from the \mainmenuopt{Settings} menu.
+\item Select \dropmenuopttwo{mActionOptions}{Project Properties} from the \mainmenuopt{Settings} menu.
\item Click on the \toolbtntwo{mIconProjectionEnabled}{projector} icon in the lower right-hand corner of the
statusbar.
\end{enumerate}
@@ -67,13 +67,12 @@
The Projection tab of the \dialog{Project Properties} dialog contains four important components as numbered in Figure
\ref{fig:projections} and described below.
-% FIXME
-%\begin{figure}[ht]
-% \begin{center}
-% \caption{Projection Dialog (GNU/Linux)}\label{fig:projections}\smallskip
-% \includegraphics[clip=true, width=14cm]{projectiondialog08}
-%\end{center}
-%\end{figure}
+\begin{figure}[ht]
+ \begin{center}
+ \caption{Projection Dialog}\label{fig:projections}\smallskip
+ \includegraphics[clip=true, width=14cm]{projectionDialog}
+\end{center}
+\end{figure}
\begin{enumerate}
\item \textbf{Enable on the fly projection}\index{Projections!enabling} - this checkbox is used
@@ -113,22 +112,20 @@
\index{Projections!custom}
If QGIS doesn't have the projection you need, you can define a custom
-projection. To define a projection, select \dropmenuopt{Custom Projections} from
+projection. To define a projection, select \dropmenuopttwo{mIconNew}{Custom CRS} from
the \mainmenuopt{Settings} menu. Custom projections are stored in your QGIS user
database. In addition to your projections, this database contains your spatial
bookmarks and other custom data.
-% FIXME
-%\begin{figure}[ht]
-% \begin{center}
-% \caption{Custom Projection Dialog (OS
-%X)}\label{fig:customprojections}\smallskip
-% \includegraphics[clip=true, width=14cm]{customprojection}
-%\end{center}
-%\end{figure}
+\begin{figure}[ht]
+ \begin{center}
+ \caption{Custom Projection Dialog}\label{fig:customprojections}\smallskip
+ \includegraphics[clip=true, width=14cm]{customProjectionDialog}
+\end{center}
+\end{figure}
At version \CURRENT of QGIS, defining a custom projection requires a good
-understanding of the Proj.4 projection library. To begin, refer to
+understanding of the Proj.4 projection library. To begin, refer to the
Cartographic Projection Procedures for the UNIX Environment - A User's Manual
by Gerald I. Evenden, U.S. Geological Survey Open-File Report 90-284, 1990
(available at \url{ftp://ftp.remotesensing.org/proj/OF90-284.pdf}).
@@ -136,21 +133,30 @@
utilities. The cartographic parameters used with \usertext{proj.4} and described
in the user manual are the same as those used by QGIS.
-The \dialog{Custom Projection Definition} dialog requires only two parameters to define a user
-projection:
+The \dialog{Custom Coordinate Reference System Definition} dialog requires
+only two parameters to define a user projection:
\begin{enumerate}
-\item a descriptive name, and
-\item the cartographic parameters.
+\item a descriptive name and
+\item the cartographic parameters in PROJ.4 format.
\end{enumerate}
-To create a new projection, click the \button{New} button and enter a descriptive
-name and the projection parameters. Figure \ref{fig:customprojections} shows
+To create a new projection, click the
+\toolbtntwo{mIconNew}{New} button and enter a descriptive
+name and the projection parameters.
+After that you can save your projektion by clicking the button
+\toolbtntwo{mActionFileSave}{Save}.
+
+Note that the \guilabel{Parameters} must begin with a \usertext{+proj=}-block,
+to represent the new projection.
+
+Figure \ref{fig:customprojections} shows
the dialog with an example projection. The parameters shown were entered based
on a knowledge of the projection and the information found in OF90-284.
You can test your projection parameters to see if they give sane results by
-clicking on the \tab{Test} tab and pasting your projection parameters into
+clicking on the \button{Calculate} button inside the \guiheading{Test} block
+and pasting your projection parameters into
the \guilabel{Parameters} field. Then enter known WGS 84 latitude and longitude
-values in North and East fields respectively. Click on \button{Calculate} and
-compare the results with the known values in your projected coordinate
+values in \guilabel{North} and \guilabel{East} fields respectively.
+Click on \button{Calculate} and compare the results with the known values in your projected coordinate
system.
Modified: docs/trunk/english_us/user_guide/working_with_projections_screenies/Makefile
===================================================================
--- docs/trunk/english_us/user_guide/working_with_projections_screenies/Makefile 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/working_with_projections_screenies/Makefile 2008-09-06 07:04:59 UTC (rev 9270)
@@ -11,8 +11,8 @@
# JPG=qgis_icon_new_verylarge.eps\
# nextfile.eps
-#PNG=customprojection.eps\
-# projectiondialog08.eps
+PNG=customProjectionDialog.eps \
+ projectionDialog.eps
##### TARGETS #####
Added: docs/trunk/english_us/user_guide/working_with_projections_screenies/customProjectionDialog.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/working_with_projections_screenies/customProjectionDialog.png
___________________________________________________________________
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+ application/octet-stream
Added: docs/trunk/english_us/user_guide/working_with_projections_screenies/projectionDialog.png
===================================================================
(Binary files differ)
Property changes on: docs/trunk/english_us/user_guide/working_with_projections_screenies/projectionDialog.png
___________________________________________________________________
Name: svn:mime-type
+ application/octet-stream
Modified: docs/trunk/english_us/user_guide/working_with_raster.tex
===================================================================
--- docs/trunk/english_us/user_guide/working_with_raster.tex 2008-09-05 23:57:28 UTC (rev 9269)
+++ docs/trunk/english_us/user_guide/working_with_raster.tex 2008-09-06 07:04:59 UTC (rev 9270)
@@ -106,42 +106,36 @@
\subsubsection{Symbology Tab}\label{label_sombology}
-QGIS supports three forms of raster layers:\index{raster layers!supported channels}
+QGIS can render two different types of rasterlayers:\index{raster layers!supported channels}
\begin{itemize}
-\item Single Band Grayscale Rasters
-\item Palette Based RGB Rasters
-\item Multiband RGB Rasters
+\item Single band gray
+\item Three band color
\end{itemize}
-From these three basic layer types, eight forms of symbolised raster display
-can be used:\index{raster layers!rendering interpretation}
+Within both rendertypes you can invert the color using the checkbox
+\checkbox{Invert color map}.
+\minisec{Single band gray}
+
+This selection offers you two possibilites to choose. At first you can
+select which band you like to use for rendering. The second option offers
+a selection of available colortables for rendering.
+
+The following settings are available through the dropdownbox
+\selectstring{color map}{Grayscale}, where grayscale is the default
+setting.
+Also available are
\begin{itemize}
-\item Single Band Grayscale
-\item Single Band Pseudocolor
-\item Paletted Grayscale (where only the red, green or blue component of the
-image is displayed)
-\item Paletted Pseudocolor (where only the red, green or blue component of the
-image is displayed, but using a pseudocolor algorithm)
-\item Paletted RGB
-\item Multiband Grayscale (using only one of the bands to display the image)
-\item Multiband Pseudocolor (using only one of the bands shown in
-pseudocolor)
-\item Multiband RGB (using any combination of three bands)
+\item Pseudocolor
+\item Freak Out
+\item Colormap
\end{itemize}
-\smallskip
+When selecting the entry \selectstring{color map}{Colormap}, the tab
+\tab{Colormap} becomes available. See more on that at chapter
+\ref{label_colormaptab}.
-QGIS can invert the colors in a given layer so that light colors become dark
-(and dark colors become light). Use the \checkbox{Invert Color Map} checkbox to
-enable / disable this behavior.\index{raster layers!icolor map inversion}
-
-QGIS has the ability to display each raster layer at varying transparency
-levels.\index{raster layers!transparency} Use the transparency slider to indicate to
-what extent the underlying layers (if any) should be visible though the
-current raster layer.
-
QGIS can restrict the data displayed to only show cells whose values are
within a given number of standard deviations of the mean for the
layer.\index{raster layers!standard deviation} This is useful when you have one or
@@ -149,6 +143,49 @@
negative impact on the rendering of the raster. This option is only available
for pseudocolor images.
+
+\minisec{Three band color}
+
+This selection offers you a wide range of options to modify the appereance
+of your rasterlayer. For example you could switch color-bands from the
+standard RGB-order to something else.
+
+Also scaling of colors are available.
+Note that the scaling of you custom min and max values for each band is
+only available if your dataset has three bands to do so.
+
+% SH: Not applyable anymore
+%%%QGIS supports three forms of raster layers:\index{raster layers!supported channels}
+%%%
+%%%\begin{itemize}
+%%%\item Single Band Grayscale Rasters
+%%%\item Palette Based RGB Rasters
+%%%\item Multiband RGB Rasters
+%%%\end{itemize}
+%%%
+%%%From these three basic layer types, eight forms of symbolised raster display
+%%%can be used:\index{raster layers!rendering interpretation}
+%%%
+%%%\begin{itemize}
+%%%\item Single Band Grayscale
+%%%\item Single Band Pseudocolor
+%%%\item Paletted Grayscale (where only the red, green or blue component of the
+%%%image is displayed)
+%%%\item Paletted Pseudocolor (where only the red, green or blue component of the
+%%%image is displayed, but using a pseudocolor algorithm)
+%%%\item Paletted RGB
+%%%\item Multiband Grayscale (using only one of the bands to display the image)
+%%%\item Multiband Pseudocolor (using only one of the bands shown in
+%%%pseudocolor)
+%%%\item Multiband RGB (using any combination of three bands)
+%%%\end{itemize}
+
+\smallskip
+
+QGIS can invert the colors in a given layer so that light colors become dark
+(and dark colors become light). Use the \checkbox{Invert Color Map} checkbox to
+enable / disable this behavior.\index{raster layers!icolor map inversion}
+
\begin{Tip}\caption{\textsc{Viewing a Single Band of a Multiband Raster}}
\qgistip{If you want to view a single band (for example Red) of a multiband
image, you might think you would set the Green and Blue bands to ``Not
@@ -159,7 +196,11 @@
\subsubsection{Transparency Tab} \label{rastertab:transparency}
-This tab adjusts the transparency of a rastermap. This is very usefull, if
+QGIS has the ability to display each raster layer at varying transparency
+levels.\index{raster layers!transparency} Use the transparency slider to indicate to
+what extent the underlying layers (if any) should be visible though the
+current raster layer.
+This is very usefull, if
you like to overlay more than one rasterlayer, e.g. a shaded relief-map
overlayed by a classified rastermap. This will make the look of the map
more plastique.
@@ -169,7 +210,7 @@
An even more flexible way to customize the transparency can be done in the
\guiheading{Custom transparency options} section.
-The transparency of every pixel set in this block.
+The transparency of every pixel can be set in this block.
As an example we want to set the water of our example rasterfile
\filename{landcover.tif} to a transparency of 20\%. The following steps
@@ -199,11 +240,35 @@
\toolbtntwo{mActionAddRasterLayer}{Import from file} loads your
transparency-settings and applies them to the current rasterlayer.
-\subsubsection{Colormap}
+\subsubsection{Colormap} \label{label_colormaptab}
% FIXME: Write me
-The \tab{Colormap} tab is only available, when ... WRITE ME!
+The \tab{Colormap} tab is only available, when you have selected a
+single-band-rendering within the tab \tab{Symbology} (see chapt. \ref{label_sombology}).
+Three ways of color interpolation are available:
+\begin{itemize}
+\item Discrete
+\item Linear
+\item Exact
+\end{itemize}
+
+The button \button{Add Entry} adds a color to the individual color-table.
+Double-Clicking on the value-column lets you inserting a specific value.
+Double clicking on the color-column opens the dialog \dialog{Select
+color} where you can select a color to apply on that value.
+
+Alternativly you can click on the button
+% FIXME: images is missing\toolbtntwo{}{Load colormap from Band}
+, which tries to
+load the table from the band (if it has any).
+
+The block \guiheading{Generate new color map} allows you to create newly
+categorized colormaps. You only need to select the \selectnumber{number of
+classes}{15} you need and press the button \button{Classify}. Currently
+only one \selectstring{Classification mode}{Equal Interval} is
+supported\index{raster layer!classify}.
+
\subsubsection{General Tab}\label{label_generaltab}
The \tab{General} tab displays basic information about the selected raster,
@@ -225,15 +290,11 @@
are gathered on a 'need to know' basis, so it may well be that a given layers
statistics have not yet been collected.\index{raster layers!metadata}
+This tab is mainly for information. You cannot change any values printed
+inside this tab. To update the statistics you need to change to tab
+\tab{Histogram} and press the button \button{Refresh} on the bottom right,
+see ch. \ref{label_histogram}.
-\begin{Tip}\caption{\textsc{Gathering Raster Statistics}}
-\qgistip{To gather statistics for a layer, select pseudocolor rendering and
-click the \button{Apply} button. Gathering statistics for a layer can be time
-consuming. Please be patient while QGIS examines your
-data!\index{raster layers!statistics}
-}
-\end{Tip}
-
\subsubsection{Pyramids Tab}\label{raster_pyramids}
Large resolution raster layers can slow navigation in QGIS. By creating lower
@@ -249,21 +310,35 @@
\begin{itemize}
\item Average
\item Nearest Neighbour
-\item Average Magphase
\end{itemize}
+When checking the checkbox \checkbox{Build pyramids internally if
+possible} QGIS tries to build pyramids internally.
+
Please note that building pyramids may alter the original data file and once
created they cannot be removed. If you wish to preserve a 'non-pyramided'
version of your raster, make a backup copy prior to building pyramids.
-\subsubsection{Histogram Tab}\label{raster_histogram}
+\subsubsection{Histogram Tab}\label{label_histogram}
The histogram tab allows you to view the distribution\index{raster layers!histogram}
of the bands or colors in your raster. You must first generate the raster statistics
by clicking the \button{Refresh} button. You can choose which bands to display by
-selecting them in the list box at the bottom right of the tab. Two different
-chart types are allowed: Barcharts and Linegraphs.
+selecting them in the list box at the bottom left of the tab. Two different
+chart types are allowed:
+\begin{itemize}
+\item Barcharts and
+\item Linegraphs.
+\end{itemize}
Once you view the histogram, you'll notice that the band statistics have been
populated on the \tab{metadata} tab.\index{raster layers!metadata)}
+\begin{Tip}\caption{\textsc{Gathering Raster Statistics}}
+\qgistip{To gather statistics for a layer, select pseudocolor rendering and
+click the \button{Apply} button. Gathering statistics for a layer can be time
+consuming. Please be patient while QGIS examines your
+data!\index{raster layers!statistics}
+}
+\end{Tip}
+
Added: docs/trunk/english_us/user_guide/working_with_raster_screenies/rasterContext.png
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