Displaying 2 results from an estimated 2 matches for "swappo".
2005 Mar 20
2
Using locator() to digitise
...uggestion to use the 'pixmap' package. I've tried
this, and it works; but it involves building a big R
object (the internal pixmap representation), and this
chokes my somewhat puny laptop (e.g. it can take about
1 minute to draw the graphic inside a plot area using
addlogo(), with mucho swappo, and subsequently working
knee-deep in treacle). The following idea would be a lot
slicker.
For examples: I have something like
a) A scatterplot of data printed in a journal (but the
data values are not available;
b) A contour map (on paper) of a region.
So, I can scan the document, and obta...
2005 Mar 21
1
Sv: Using locator() to digitise
...uggestion to use the 'pixmap' package. I've tried
this, and it works; but it involves building a big R
object (the internal pixmap representation), and this
chokes my somewhat puny laptop (e.g. it can take about
1 minute to draw the graphic inside a plot area using
addlogo(), with mucho swappo, and subsequently working
knee-deep in treacle). The following idea would be a lot
slicker.
For examples: I have something like
a) A scatterplot of data printed in a journal (but the
data values are not available;
b) A contour map (on paper) of a region.
So, I can scan the document, and obta...