Scene authoring tools: Difference between revisions
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Each input box allows you to specify certain parameters in order to best choose what to add or remove to/from your selection. There is an imaginary 'AND' (or intersection) connecting each input box (a Boolean AND), but an 'OR' (or union) connecting the chosen elements within each input box. What this means is that if you choose in the 'groups' box the items 'all protein' and 'dna' and in the 'limit to elements' box you type in 'C,O' and click "add to selection", then you will add to your selection all the carbon and oxygen atoms that are part of either the protein or the dna in your loaded file (it's like saying "(all protein OR dna) AND (carbon OR oxygen)" ) | Each input box allows you to specify certain parameters in order to best choose what to add or remove to/from your selection. There is an imaginary 'AND' (or intersection) connecting each input box (a Boolean AND), but an 'OR' (or union) connecting the chosen elements within each input box. What this means is that if you choose in the 'groups' box the items 'all protein' and 'dna' and in the 'limit to elements' box you type in 'C,O' and click "add to selection", then you will add to your selection all the carbon and oxygen atoms that are part of either the protein or the dna in your loaded file (it's like saying "(all protein OR dna) AND (carbon OR oxygen)" ) | ||
The 'groups' selector lists various pre-defined groups of atoms by name. The 'limit to chains' box allows you to choose specific chains by the names they are given in the loaded file (ex: A,C,D). The 'limit to resi types' allows specification of residues by their 3-letter codes (ex: PHE,ALA,GLY). The 'limit to residue nos' box allows specification of residues by their number (ex: 18,23-25,32). The 'limit to elements' box allows choosing specific elements or even specific isotopes (ex: Fe,2H,31P). The 'limit to atom nos' box allows specifying atoms by their number. The 'sites' box appears only if your file is a PDB file that has predefined sites that the authors defined when they submitted the file to the Protein Data Bank. | The 'groups' selector lists various pre-defined groups of atoms by name. You can select more than one item by pressing the <ctrl> key while selecting items. The 'limit to chains' box allows you to choose specific chains by the names they are given in the loaded file (ex: A,C,D). The 'limit to resi types' allows specification of residues by their 3-letter codes (ex: PHE,ALA,GLY). The 'limit to residue nos' box allows specification of residues by their number (ex: 18,23-25,32). The 'limit to elements' box allows choosing specific elements or even specific isotopes (ex: Fe,2H,31P). The 'limit to atom nos' box allows specifying atoms by their number. The 'sites' box appears only if your file is a PDB file that has predefined sites that the authors defined when they submitted the file to the Protein Data Bank. | ||
The button 'add to selection' checks the information that was specified by you in the boxes in the 'add to or remove from selection' area and then adds what you specified into the current selection. The 'remove from selection' does the same, but rather than adding to the current selection, it removes from the current selection. | The button 'add to selection' checks the information that was specified by you in the boxes in the 'add to or remove from selection' area and then adds what you specified into the current selection. The 'remove from selection' does the same, but rather than adding to the current selection, it removes from the current selection. | ||