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Cameron ManualChapter 14: Atom LabellingLABEL
NOLABEL
The LABEL and NOLABEL commands control the atom labelling. They are set up in an identical way to INCLUDE and EXCLUDE and the syntax is identical: LABEL C1 C2 O NOLABEL C H1 LABEL ALL NOLABEL ALL LABEL GROUP g1 ....
MOUSE
All atoms will be labelled if the LABEL command has been used for them. The label positions can be altered using the mouse if required. Note that label positions are recalculated if atoms are included or excluded or a change in the view direction has occurred. Therefore, it is advisable that the 'final' view is obtained before labels are positioned with the mouse. Mouse labelling is controlled as follows. The user clicks on a position on the screen (once the message Mouse Labelling activated has been seen). If this position is over a label then the label is replaced by a box of the same size as the label. A red cross is drawn over the atom that the label refers to to aid identification. The mouse is then used to position the TOP LEFT HAND CORNER of the label by a second click. Alternatively, hitting the N key (for Nolabel) will remove the label altogether. If the mouse is clicked on an atom which is NOT labelled then a label will appear at the atom centre, this label can then be moved as described above. If at any time the user wishes to view the current picture without releasing the mouse, this can be done by hitting the 'V' key. GENERATED
INITIAL
These commands relate to the pack number display while labelling. Atoms are assigned a pack number after PACK or ENCLOSURE. This number is then displayed as eg N1_5. These numbers are used to refer to atoms and elements as required. INITIAL (the default) will just display N1 while GENERATED shows N1_5. CELL
Controls the cell labelling.
FRAGMENT
Allows the user to set labels for a given fragment.
FONT
This sets the point size of the font to be used in hardcopy output. It requires one argument. DEFAULT
This resets the point size to its default value.
TEXT POSITION
This allows the user to annotate a picture. The syntax is:
TEXT "text string" POSITION x y
NUMBER
The NUMBER command can be used to move a text item after it has been
created by using TEXT NUMBER n POSITION x y.
[Introduction | How To Get Started | Data Input | Outputting Data | Editing The Atom List | Obeying Files | Archiving And Retrieving Views | Graphical Output Devices | View Direction Control | Include And Exclude | Drawing Style Control | Connectivity Control | Control Of Colour | Atom Labelling | Other Picture Controlling Commands | Symmetry Input | Crystal Packing Commands | Add And Move - Further Symmetry Related Commands | Distance And Angle Calculations | Information On Data Held Within The Program | Group Definitions | Miscellaneous Commands | How To Stop The Program | Menu Definition File | Some Useful Ideas ] |
© Copyright Chemical Crystallography Laboratory, Oxford, 2006.
Comments or queries to David Watkin -
david.watkin@chem.ox.ac.uk Telephone +44 1865 285019.
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