Changes between Version 11 and Version 12 of ModellingQuestions
- Timestamp:
- Oct 20, 2008, 2:20:04 PM (14 years ago)
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ModellingQuestions
v11 v12 150 150 if the 10m DEM is describing by {{{poly1}}} and the 25m DEM is described by {{{poly2}}} 151 151 with {{{poly1}}} completely enclosed in {{{poly2}}} as shown here: 152 153 152 {{{ 154 153 #!html 155 154 <img src="https://datamining.anu.edu.au/svn/ga/anuga_core/documentation/user_manual/graphics/polyanddata.jpg"> 156 155 }}} 157 158 156 To combine the data sets, the geospatial addition is updated to 159 157 {{{ … … 177 175 Assume that {{{poly1}}} crosses the coastline 178 176 In this case, two new polygons could be created out of {{{poly1}}} which uses the coastline 179 as the divider. As shown in Figure \ref{fig:polycoast}, {{{poly3}}} describes the 177 as the divider. As shown 178 {{{ 179 #!html 180 <img src="https://datamining.anu.edu.au/svn/ga/anuga_core/documentation/user_manual/graphics/polyanddata2.jpg"> 181 }}} 182 {{{poly3}}} describes the 180 183 onshore data and {{{poly4}}} describes the offshore data. 181 \begin{figure}[hbt]182 \centerline{\includegraphics{graphics/polyanddata2.jpg}}183 \caption{Inclusion of new polygons separating the 10m DEM area into an184 onshore (poly3) and offshore (poly4) data set.}185 \label{fig:polycoast}186 \end{figure}187 184 Let's include the bathymetry 188 185 data described above, so to combine the datasets in this case,