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Geographical coordinates with axes
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Geographical coordinates can be accessed as a command (found in Shared Commands > Visualization) or as a stand alone menu from Tools > Geographical Management. In either case the rules for a correct display is the same.
- Push Default display (older version only Display) under Default display to see the default values.
- Type in Longitude/Latitude start, Long/Lat increment and Longitude/Latitude stop values to set a custom geographical grid.
- Push Display or Execute to display geographical coordinates using the Lat / Lon values.
- To get a nice placement of the annotation numbers use the tuning in Adjust annotation numbers.
| Tip |
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Sometimes it may be useful to create an item command that will save your settings for a specific dataset. This will save you time next time you want to display axes over the same area. Read more about creating item commands. |
A simple guide on how to achieve a good display
The geographical axes display will be within the graphical window. To see the graphical window push the Draw Frame icon on the toolbar.
- Make sure you have scaled to the dataset you want to display together with the axes.
- Check that the correct coordinate system is set under the Coordinates page.
- Go to get a Default display section and click Display.
Sometimes the algorithm get a good display, but normally the user must edit the settings in the Detailed display section.
- Push Update detailed to get the Lat / Lon values into the number fields.
- Adjust them and click Display to see the changes.
Continue this process until you have achieved a satisfactory result.
Scale bar
To display a scale bar open Tools > Scalebar display
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- Push
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- Draw
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- Scalebar
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- to
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- display
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- the
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- scalebar
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- in
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- default
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- position
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- and
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- appearance.
- To place the scalebar at specific position:
- Set the screen in 2D mode.
- Tick the box Use XYZ coordinates
- Click in the graphic window where you want to place the scalebar.
- Click Update cursor to world coordinates to get the cursor coordinates.
- Redisplay scalebar by pushing Draw Scalebar
The default scalebar display will be within the graphical window and the drawing size is related to that window. To see the graphical window push the Draw Frame icon on the toolbar.
Text annotation
The Three dimensional text command lets you create text annotation anywhere in the graphical window. You can create 2D or 3D text, display the text in any angle or stick the text to a surface. All these things can be found out whith a little test and trying. When everything is fine save the command object. Optionally save it as an Item command or copy a present CO so you work with and save a copy of the command object.
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| width | 60% |
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A guide on drawing a text at an angle along a line.
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| title | Guide lines for text annotation at an angle |
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- Write
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- in
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- the
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- desired
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- text
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- in
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- the
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- text
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- field
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- .
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- Set
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- the
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- screen
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- in
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- 2D
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- mode
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- and
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- create two
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- cursor
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- positions:
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With a little training one can place text at any angle and position.
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| width | 40% |
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- First cursor position: at end of text
- Second cursor position: at start of text
- If the screen is in 3D mode use y to attach the cursor point to a surface.
- Push Update cursor to coordinates.
- Push Update dip and azimuth. Azimuth is for rotation around z axes. Dip is for 3D mode.
- Check in the Dip and Azimuth boxes.
- Select text attributes.
- Push Execute to display the text.
Example figure with geo grid, scale bar end 3D text