search for: linestr

Displaying 4 results from an estimated 4 matches for "linestr".

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2008 Dec 15
1
convert opengis wkt to geometry?
...statements for simple geometry (wkt), I didn't check see if there is already something available to convert WKT strings into some R package geometry (sp?). Does anyone have any advice, hints, code (?) for converting the following OpenGIS strings into something useful in R: POINT MULTIPOINT LINESTRING MULTILINESTRING POLYGON MULTIPOLYGON GEOMETRYCOLLECTION Jeff.
2011 Jan 20
1
Generating time progressing line for Google Earth
...n> <name><%=paste(seg$x[i], ",", seg$y[i]," : ", seg$xend[i], ",", seg$yend[i], sep="")%></name> <Style><LineStyle><color>7f9bffff</color><width>3.5</width></LineStyle></Style> <LineString> <tessellate>1</tessellate> <coordinates><%=seg[i,]$x%>, <%=seg[i,]$y%>, 0.0 <%=seg[i,]$xend%>, <%=seg[i,]$yend%>, 0.0 </coordinates></LineString> </Placemark> <% } %>...
2010 Nov 26
1
Generating kml lines output
Dear, I would like to generate kml file with lines (<LineString>) of different style (definitely color, but width would also be nice to see). However with kmlLine from maptools package I am able only to output the single first Lines object (first row of SpatialLinesDataFrame) I guess the option would be to have single Lines object (instead of list of th...
2006 May 01
0
PostGIS and MySql Spatial Extensions in Rails
Hello, This post is to announce a new release of the Spatial Adapter for Rails, which is a plugin that adds support for columns of geometric types (point, linestring, polygon,etc...) to ActiveRecord. Currently the only supported databases are MySql and PostGIS. With this release, geometric columns should behave like columns of any other basic types in all areas: migration, data access, dumping in ruby schema mode... For example, here is how you would defin...