search for: curvy

Dear List, I have examined the sp, maptools, and shapefiles packages (Windows) but cannot seem to figure out a solution for writing shapefiles for 'curvy shapes'. The scenario is that I generate a series of polygons, circles, and ellipses on a plot and would like to convert them to shapefiles. Since the circles and ellipses are do not return a coordinate list during the plotting sequence (e.g., all I need supply are the lengths of axes and rot...

How to add trendline (i.e. straight line passing through maximum points) in graph. I have worked on the data given below. Please tell me how to add trendline in the graph. The script is as follows =================================== start ==================================================== # The data is as follows data <- c( 0.01, 0.02, 0.04, 0.13, 0.17 , 0.19 , 0.21 , 0.27 , 0.27 ,

Hi, how does one create a symbolic link within a Rails application? At this time, I can perform this action at the command line but I''m not sure how to do it within Rails. BTW, I''m doing the following command in Mac OS X: ln -s $SITE_ROOT/common_directory/* $SITE_ROOT/new_directory Thanks in advance, -Conrad -------------- next part -------------- An HTML attachment was