Mercurial > repos > miller-lab > genome_diversity
diff phylogenetic_tree.xml @ 14:8ae67e9fb6ff
Uploaded Miller Lab Devshed version a51c894f5bed again [possible toolshed.g2 bug]
author | miller-lab |
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date | Fri, 28 Sep 2012 11:35:56 -0400 |
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children | f04f40a36cc8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/phylogenetic_tree.xml Fri Sep 28 11:35:56 2012 -0400 @@ -0,0 +1,192 @@ +<tool id="gd_phylogenetic_tree" name="Phylogenetic Tree" version="1.0.0"> + <description>: Show genetic relationships among individuals</description> + + <command interpreter="python"> + phylogenetic_tree.py "$input" + #if $individuals.choice == '0' + "all_individuals" + #else if $individuals.choice == '1' + "$p1_input" + #end if + "$output" "$output.files_path" "$minimum_coverage" "$minimum_quality" + #if ((str($input.metadata.scaffold) == str($input.metadata.ref)) and (str($input.metadata.pos) == str($input.metadata.rPos))) or (str($include_reference) == '0') + "none" + #else + "$input.metadata.dbkey" + #end if + "$data_source" + #set $draw_tree_options = ''.join(str(x) for x in [$branch_style, $scale_style, $length_style, $layout_style]) + #if $draw_tree_options == '' + "" + #else + "-$draw_tree_options" + #end if + #for $individual_name, $individual_col in zip($input.dataset.metadata.individual_names, $input.dataset.metadata.individual_columns) + #set $arg = '%s:%s' % ($individual_col, $individual_name) + "$arg" + #end for + </command> + + <inputs> + <param name="input" type="data" format="gd_snp" label="SNP dataset" /> + + <conditional name="individuals"> + <param name="choice" type="select" label="Individuals"> + <option value="0" selected="true">All individuals</option> + <option value="1">Individuals in a population</option> + </param> + <when value="0" /> + <when value="1"> + <param name="p1_input" type="data" format="gd_indivs" label="Population individuals" /> + </when> + </conditional> + + <param name="minimum_coverage" type="integer" min="0" value="0" label="Minimum coverage" /> + + <param name="minimum_quality" type="integer" min="0" value="0" label="Minimum quality" help="Note: minimum coverage and minimum quality cannot both be 0" /> + + <param name="include_reference" type="select" format="integer" label="Include reference sequence"> + <option value="1" selected="true">Yes</option> + <option value="0">No</option> + </param> + + <param name="data_source" type="select" format="integer" label="Data source"> + <option value="0" selected="true">sequence coverage</option> + <option value="1">estimated genotype</option> + </param> + + <param name="branch_style" type="select" display="radio"> + <label>Branch type</label> + <option value="" selected="true">square</option> + <option value="d">diagonal</option> + </param> + + <param name="scale_style" type="select" display="radio"> + <label>Draw branches to scale</label> + <option value="" selected="true">yes</option> + <option value="s">no</option> + </param> + + <param name="length_style" type="select" display="radio"> + <label>Show branch lengths</label> + <option value="" selected="true">yes</option> + <option value="b">no</option> + </param> + + <param name="layout_style" type="select" display="radio"> + <label>Tree layout</label> + <option value="" selected="true">horizontal</option> + <option value="v">vertical</option> + </param> + </inputs> + + <outputs> + <data name="output" format="html" /> + </outputs> + + <tests> + <test> + <param name="input" value="test_in/sample.gd_snp" ftype="gd_snp" /> + <param name="choice" value="0" /> + <param name="minimum_coverage" value="3" /> + <param name="minimum_quality" value="30" /> + <param name="data_source" value="0" /> + <param name="branch_style" value="" /> + <param name="scale_style" value="" /> + <param name="length_style" value="" /> + <param name="layout_style" value="" /> + <output name="output" file="test_out/phylogenetic_tree/phylogenetic_tree.html" ftype="html" compare="diff" lines_diff="2"> + <extra_files type="file" name="distance_matrix.phylip" value="test_out/phylogenetic_tree/distance_matrix.phylip" /> + <extra_files type="file" name="informative_snps.txt" value="test_out/phylogenetic_tree/informative_snps.txt" /> + <extra_files type="file" name="mega_distance_matrix.txt" value="test_out/phylogenetic_tree/mega_distance_matrix.txt" /> + <extra_files type="file" name="phylogenetic_tree.newick" value="test_out/phylogenetic_tree/phylogenetic_tree.newick" /> + <extra_files type="file" name="tree.pdf" value="test_out/phylogenetic_tree/tree.pdf" compare="sim_size" delta = "1000"/> + </output> + </test> + </tests> + + <help> + +**Dataset formats** + +The input dataset is in gd_snp_ format. +The output is a composite dataset, containing the tree in both text (Newick_) +and PostScript formats, as well as supplemental text information. +(`Dataset missing?`_) + +.. _gd_snp: ./static/formatHelp.html#gd_snp +.. _Newick: http://evolution.genetics.washington.edu/phylip/newicktree.html +.. _Dataset missing?: ./static/formatHelp.html + +----- + +**What it does** + +This tool uses a gd_snp dataset to determine a kind of "genetic distance" +between each pair of individuals. That information is used to +produce a tree-shaped figure that depicts how the individuals are related, +both as a text files and as a diagram. +The text files include a common tree format, Newick, as well as distance +matrices and counts of informative SNPs for each pairwise comparison. +The informative SNPs can be used as a guide to how reliable the tree is. + +The input parameters are: + +SNP dataset + A table of SNPs for various individuals, in gd_snp format. + +Individuals + By default all individuals are included in the analysis, but this can + optionally be restricted to a subset that has been defined using the + Specify Individuals tool. + +Minimum coverage + For each pair of individuals, the tool looks for informative SNPs, i.e., + where the sequence data for both individuals is adequate according to + some criterion. Specifying, say, 7 for this option instructs the tool + to consider only SNPs with coverage at least 7 in both individuals + when estimating their "genetic distance". + +Minimum quality + Specifying, say, 37 for this option instructs the tool to consider + only SNPs with SAMtools quality value at least 37 in both individuals + when estimating their "genetic distance". + +Include reference sequence + For gd_snp datasets containing columns for a reference sequence, the + user can ask that the reference be indicated in the tree, to help with + rooting it. If the dataset has no reference columns, this option has + no effect. + +Data source + The genetic distance between two individuals at a given SNP can + be estimated two ways. One method is to use the absolute value of the + difference in the frequency of the first allele (or equivalently, the + second allele). For instance, if the first individual has 5 reads of + each allele and the second individual has respectively 3 and 6 reads, + then the frequencies are 1/2 and 1/3, giving a distance 1/6 at that + SNP. The other approach is to use the SAMtools genotypes to estimate + the difference in the number of occurrences of the first allele. + For instance, if the two genotypes are 2 and 1, i.e., the individuals + are estimated to have respectively 2 and 1 occurrences of the first + allele at this location, then the distance is 1 (the absolute value + of the difference of the two numbers). + +Output options + The final four options apply mostly to the graphical drawing of the + tree, except that the branch lengths are also added to the Newick text + file. + +----- + +**Acknowledgments** + +To convert the distance matrix to a Newick-formatted tree, we use the +QuickTree program from +http://www.sanger.ac.uk/resources/software/quicktree/ . + +To make the diagram we use draw_tree, available at +http://compgen.bscb.cornell.edu/phast/ . + + </help> +</tool>