[tlocoh-info] Tlocoh-info Digest, Vol 13, Issue 1, Error trying to add shapefiles or rasters to

Nicolai Hermann Jørgensen nicolai.jorgensen at nmbu.no
Mon Jan 5 12:16:25 CET 2015

If you are using RStudio, you sometimes get that error if you don't have enough GUI allocated to the plot tab.

Strange thing though.


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Today's Topics:

   1. Error trying to add shapefiles or rasters to animation
      (Nathan Furey)


Message: 1
Date: Sun, 4 Jan 2015 14:33:50 -0800
From: Nathan Furey <n.b.furey at gmail.com>
To: tlocoh-info at lists.r-forge.r-project.org
Subject: [tlocoh-info] Error trying to add shapefiles or rasters to
	<CAPFMpoh9nLUXaDYW_RiW39JBRhm+-a9QbONE1P904E7P4g3Jkg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Tlocoh!

I am really enjoying the package. I am able to create an animation of my data (fine-scale movements of bull trout in a lake-river outlet), but I run into problems as soon as I try to add shapefiles. I have created a csv file (attached), and when I simply plot my object ("t11.lxy") using the layers list (as noted as "option 2" on page 43), but whenever I try to use the csv file I get the following error:

> lxy.exp.mov(t11.lxy, screen.test=TRUE, max.frames=1,
+ layers="water", crop.layers.to.extent=T,
+ title.show=FALSE)
Error in split.default(x = seq_len(nrow(x)), f = f, drop = drop, ...) :
  group length is 0 but data length > 0

I also do not have any luck adding a raster to the background, as shown

Error in plot.new() : figure margins too large In addition: Warning message:
In matrix(col[as.vector(m) * (length(col) - 1) + 1], nrow(m), ncol(m)) :
  data length [740314] is not a sub-multiple or multiple of the number of rows [1568]

Any guidance would be great!

Nathan Furey, PhD Candidate
Pacific Salmon Ecology and Conservation Laboratory Department of Forest and Conservation Sciences University of British Columbia http://nbfurey.wix.com/nathanbfurey
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