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"babel -i fs ..." - Fingerprint Index Based Search
How to perform a Fingerprint Index Based Search with the "babel" command? You can perform a Fingerprint Index Based Search with the "babel" command using the "-i fs" option to specify the fingerprint index file as the input. For more information, read the help document on fastsearch index file forma...
2020-08-25, 759🔥, 0💬

"babel ... -o svg" - Two "svg" Tag Levels
Why am getting two "svg" tag levels in SVG source code generated by the "babel" command? If you are using Open Babel 2.4.1 or higher, you will notice that there are two "svg" tag levels in SVG source code generated by the "babel" command. The main reason for using two "svg" tag levels for including ...
2020-07-22, 758🔥, 0💬

Substructure Search with Fingerprints
Can I do Substructure Search with fingerprints using Open Babel? Yes, you can do Substructure Search with fingerprints using Open Babel. All you have to do is to take substructure as the query molecule and run a similarity search using the fingerprint output option "-o fpt ". When Open Babel calcula...
2020-12-02, 743🔥, 0💬

Using Fastsearch Fingerprint Index
Where to find FAQ (Frequently Asked Questions) on Using Fastsearch Fingerprint Index with Open Babel? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Using Fastsearch Fingerprint Index with Open Babel. "babel ... -o fs" - Generate Fastsearch In...
2020-09-30, 743🔥, 0💬

"babel -d" Command - Delete Hydrogens from Molecule Data
How to delete hydrogen atoms from molecule data during data conversion? If hydrogen atoms of a molecule are included in the input data source, you can use the "babel" generic option "-d" remove those hydrogen atoms during the molecule data conversion process. Here is an example of using the "-d" opt...
2020-07-15, 739🔥, 0💬

"babel ... -o svg -xd -xP300" Bug - Option -d takes a parameter
Why "babel ... -o svg -xd -xP300" command is giving the "Option -d takes a parameter" error in Open Babel 2.4? It seems to be another code bug in the "babel" command in Open Babel 2.4 release. "-xd" option for "svg" output format should not require any parameters according the help document: "d - do...
2020-07-15, 738🔥, 0💬

"babel -i fs ... -s query_file" - Substructure Search
Why am I getting no results with "babel -i fs ... -s query_file" command? It should perform a substructure search in a fastsearch index file. According to the "babel -H fs" help document, you can perform a substructure search in a fastsearch index file with the query molecule stored in a file in any...
2020-05-25, 738🔥, 0💬

"babel" Command - Input Data Source and Format
How to specify Input Data Source and Format for a "babel" command? "babel" command arguments and options are organized into 3 sections as shown in the following syntax to convert chemical data from input to output with specified options. babel input_section output_section option_section You use inpu...
2021-07-19, 732🔥, 0💬

Hash Bond with Solid Line
Why Hash Bond with a Solid Line used by Open Babel? Sometimes, when a hash bond is located on a ring structure, Open Babel adds a solid line to the hash bond. Here is an example SDF/Mol file, Hash-with-Solid-Line.sdf, that has 4 stereo centers on a ring structure. Hash-with-Solid-Line FYICenter.com ...
2022-07-26, 728🔥, 0💬

Read Stereoinformation from Input
How stereoinformation is being read from input data by Open Babel? Most molecule data files store stereoinformation in 3 ways: 0D, 2D, and 3D. 0D: Stereoinformation in 0 dimension is defined by parity (or chirality) at atom level. 2D: Stereoinformation in 2 dimension is defined by bond style as wedg...
2022-11-16, 721🔥, 0💬

"babel -o svg" Command - SVG Generation Options
What options can I use when generating SVG pictures from molecule input data? You can see a list of options supported by Open Babel when generating SVG pictures from molecule input data by running the "babel -H svg" command: fyicenter$ babel -V Open Babel 2.4.1 fyicenter$ babel -H svg svg SVG 2D dep...
2021-07-19, 721🔥, 0💬

Stereo Perception Performed by Open Babel
What is stereo perception performed by Open Babel? Stereo perception performed by Open Babel is the process of constructing stereo centers with stereoinformation received from input data. Stereo perception is performed in the following order of precedence: 1. Constructing stereo centers with 3D ster...
2022-11-16, 717🔥, 0💬

"babel -i fs ... -s ... -at n" - Top n Similarity Search
How to perform a top 10 similarity search using the fastsearch index file with the "babel" command? If you want to perform a top n similarity search using the fastsearch index file, you can use the following "babel" command syntax: babel -i fs index_file output_section -s query_molecule -at n -aa In...
2020-08-25, 715🔥, 0💬

"babel -a..." Command - Extra Input Reading Options
How to pass extra options for "babel" to read input data of a specific format? If you want to pass extra options for "babel" to read input data of a specific format, you need to use one or more "-a..." options in the "babel" command line as shown in the following syntax: babel input_section output_s...
2020-07-15, 715🔥, 0💬

"babel -... --..." Command - Generic Conversion Options
What are generic conversion options that I can use on "babel" commands for all input and output formats? "babel" commands supports a number of generic conversion options that applies all input and output formats as listed below: --addtotitle Append text to the current molecule title --addformula App...
2021-07-19, 713🔥, 0💬

Write Stereoinformation to Output
How stereoinformation is being written to output data by Open Babel? Stereoinformation is being written to output data based on stereo centers maintained by Open Babel according the following rules: 1. 3D Stereoinformation - By default, 3D coordinates are copied over from input data to output data w...
2023-08-17, 700🔥, 0💬

"babel -i fs ... -s ... -at score_range" - Similarity Search
How to perform a similarity search in a given score range using the fastsearch index file with the "babel" command? If you want to perform a similarity search in a specific score range using the fastsearch index file, you can use the following "babel" command syntax: babel -i fs index_file output_se...
2020-08-25, 686🔥, 0💬

"babel" Command - From STDIN To STDOUT
Can I use "babel" to convert chemical data from "stdin" to "stdout" without input and output files? Yes, you can use "babel" to convert chemical data from "stdin" to "stdout" without input and output files. Just use "-i ..." and "-o" flags to specify input data format and output data format. For exa...
2021-07-19, 683🔥, 0💬

Ketcher JavaScript API
Where to find FAQ (Frequently Asked Questions) on Ketcher JavaScript API? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Ketcher JavaScript API. What Is Ketcher JavaScript API contentWindow.ketcher - Access "ketcher" Object ketcher.setMolecule...
2023-10-05, 670🔥, 0💬

"babel" - FP2 Fingerprint Fragment Ends at Ring
What happens if a ring is in the molecule FP2 fragment path? In the Open Babel FP2 fingerprint algorithm, if a ring is in the fragment path, the path will end when the atom meets the same atom again in the path. In other words, the same atom in a ring should not appear twice in the same fragment pat...
2020-12-02, 670🔥, 0💬

"babel" Command - Output Data Destination and Format
How to specify Output Data Destination and Format for a "babel" command? "babel" command arguments and options are organized into 3 sections as shown in the following syntax to convert chemical data from input to output with specified options. babel input_section output_section option_section You us...
2021-07-19, 664🔥, 0💬

"babel" Command - Use "-o ..." as Output Delimiter
How to use "-o ..." flag as a delimiter to separate output file from input files in a "babel" command? The "-o ..." flag is optional, since "babel" command can implicitly determine the output data format from the file extension of output file name. However, it is important to use the "-o ..." flag a...
2021-07-19, 651🔥, 0💬

generateImage() - Generate Image from Structure
How to generate image from a given chemical structure with the ketcher.generateImage() method? If you want to generate an image from the chemical structure in the Ketcher editor, you can export the structure in a specific format using a get*() method. Then call the ketcher.generateImage(structur e,o...
2023-12-14, 533🔥, 0💬

Download and Install Ketcher in Standalone Mode
How to Download and Install the latest version of Ketcher in standalone mode? Ketcher can be installed in 2 modes: Standalone and Remote. The Standalone mode incorporates Indigo backend services in the Ketcher build. It allows for Ketcher to work in browser with no server and even without the Intern...
2023-12-17, 512🔥, 0💬

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