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I truly apologize, I just found the clines package. Thanks. Andrew Niccolai Doctoral Candidate Yale School of Forestry

I truly apologize, I just found the clines package. Thanks. Andrew Niccolai Doctoral Candidate Yale School of Forestry

Hi Spatial-R users, Does anyone know of a function or some code that will tessellate a set of delauney triangles proportional to the size of the marks in a point pattern? The only thing that I can find is...

Hi. I am relatively new to Spatial-R. I have two objects that are both SpatialPolygonsDataFrame classes. One is comprised of polygons from a section of a segmented image and the other is essentially circular polygons representing the potential areas...

Hi. I have written a few macros in Image J that allows me to output a series of summary statistics after calling the "Analyze Particles" function to run over a series of .tiff images that R created. My questions are...

Hello spatial R community, Can anyone help me to convert the following algorithm to R code that will allow me to take a subset of an image and then produce an image that "targets" the areas of the original larger...

Greetings all, I recently upgraded from R-2.4.1 to R-2.5.1 on Windows XP OS. Now when I run my application (literally thousands of lines of code), I crash whenever I had code using the names...

Greetings, At the risk of being ridiculed for such a general question, can anyone offer suggestions or decent code to simulate grid images with specific patterns? I have been reading R Graphics and I am not sure if a grob...

If you aren't dedicated to an R specific solution, ImageJ is open source and does this under Analysis/Binary. -----Original Message----- From: r-sig-geo-bounces at stat.math.ethz.ch [mailto:r-sig-geo-bounces at stat.math...

I haven't looked at this site in years but as I recall the US Census blocks can be found as TIGER files at the following website: http://www.census.gov/geo/www/tiger/ I have not brought these files...

Greetings list. Below is some code that anyone can run to produce a distance transform image of the R logo. I am interested in some code that will skeletonize this distmap image or the equivalent SpatialGridDataFrame object. Essentially I need...

This code might help: ############################################################################ #### ############################################################################ #### ## Read in envi file cir.image <- "C:/YOUR_ENVI_FILE" CIR.envi = read.ENVI(cir.image, headerfile=paste(cir.image,".hdr", sep="")) ############################################################################ #### ############################################################################ #### ## Show image CIR.envi.band1 <- CIR.envi[,,1] image(CIR.envi.band1, main="") mtext...

Is there a pre-existing function or a clever way to pull a PBSmapping object of class "Polyset", "data.frame" into a SpatialPolygonsDataFrame? I found the SpatialPolygons2PolySet function and was hoping that there is a way to go the other...

Greetings spatial R users, I have a question that is most likely straightforward but I am stuck on this one! I have a set of points that can be of the class "SpatialPoints" or of the class "ppp" and they...

Dear Spatial R group, I disclose that I have been more active in image segmentation than spatial statistics of late so please bear with me if this question is too pedantic. I have a field collected marked point pattern of...

Sorry, I have never run into this issue but maybe Roger can weigh in on this as he was the source "coder" for these functions. Did you try including the close_polys=TRUE line in PolySet2SpatialPolygons? It more than likely...

I have written a very simple ImageJ plugin using Java code: import ij.*; import ij.process.*; import ij.gui.*; import java.awt.*; import ij.plugin.*; public class My_Skel implements PlugIn { public void run(String arg) { IJ.run("Make Binary...

Greetings fellow R users, I would really enjoy (and eagerly anticipate) any discussions on ideas for handling a LIDAR (laser) data set of a New England forest. The LIDAR dataset is essentially xyz coordinates that form an irregularly spaced 3D...

Hi. I had such great success last time, I thought I would ask for more assistance. I have an object (cb.poly) of class "SpatialPolygonsDataFrame". I would like to subset this object using a for loop that essentially loops through...

I realize that as of yesterday, this message thread is 4 years old but can someone possibly post the clines function that Renaud mentions in the posting below? That would be wonderful and most appreciated. Thanks, Andrew Andrew Niccolai Doctoral...