Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for 'tail'
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for 'tail'
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Rd file 'envelopeArea_and_Perimeter.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")

Rd file 'generateEnvelope.Rd':
  \examples lines wider than 100 characters:
     cat("circle area = ", pi * r^2, " = ", sum(pi * r^2), "\ncircle perimenter = ",  2 * pi * r, " = ",  2 * pi * sum(r), "\n")
     grid.polygon(envelopeXY[,1], envelopeXY[,2], gp=gpar(fill="pink", col="transparent", lwd=5), default.units="npc")

Rd file 'tangentLine.Rd':
  \examples lines wider than 100 characters:
                     tangent <- tangentLine(centers[1,], centers[2,], r0, r[2], k=k)  # compute coefficients for the tangent line, if NA, th ... [TRUNCATED]
                             grid.abline(-tangent["c"] / tangent["b"], -tangent["a"] / tangent["b"], gp=gpar(col="blue", lwd=ii), units="npc ... [TRUNCATED]

These lines will be truncated in the PDF manual.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for 'tail'
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for ‘tail’
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
generateEnvelope: no visible global function definition for 'tail'
Undefined global functions or variables:
  tail
Consider adding
  importFrom("utils", "tail")
to your NAMESPACE file.