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VCS Hints: Isofill Editor and Isofill Value Panels |
Access: via Isofill Graphics Method Panel -> Attribute Set Name
The Isofill Editor Panel displays and modifies the isofill graphics method attribute set names. The Isofill Value Panel displays and modifies isolevel values. The isofill graphics method fills the area between selected isolevels (levels of constant value) of a two-dimensional array.
How to Use the Isofill Editor Panel
Changing the Map Projection:
Move the pointer over the `projection' menu button and press and hold the
left mouse button. Then move the pointer over the desired map projection
and release the left mouse button. Select the red `Apply' button to register
changes.
Setting a List Name for Labels and Tick Marks:
Labels and tick marks are: `xticlabels#1', bottom prefixed list name for
x-axis labels and ticks; `xticklabels#2', top prefixed list name for x-axis
labels and ticks; `xmtics#1, left prefixed list name for x-axis minor ticks;
xmtics#2, right prefixed list name for x-axis minor ticks; `yticlabels#1',
left prefixed list name for y-axis labels and ticks; `yticlabels#2', right
prefixed list name for y-axis labels and ticks; `ymtics#1', right prefixed
list name for y-axis minor ticks; `ymtics#2', left prefixed list name for
y-axis minor ticks. From the List Table Panel,
copy and drop the new attribute
set name into the yellow input text window.
Defining Data Space in Real-World Coordinates:
The data space defined in the picture template in normalized device coordinates
is mapped to the real-world coordinates given: `datawc_x1', `datawc_x2',
`datawc_y1', `datawc_y2'. A value of `1e+20' cues VCS to use the data coordinate
values.
Converting the X-, Y-axis:
The x- and y-axis for the isofill graphics method can be changed from linear
(the default setting) to: log base 10 (log10), natural log (ln), exponential
(exp), or area weighted (area_wt). Move the pointer over the `xaxisconvert'
or 'yaxisconvert' menu button and press and hold the left mouse button.
Then move the pointer over the desired axis transformation and release
the left mouse button. Select the red `Apply' button to register changes.
Setting Isolevel Ranges:
To set isolevel ranges, select the green 'Modify Isofill Values' button--an
Isofill Values Panel will appear in front of the Isofill
Editor Panel. To generate isolevels, enter the `Increment' number,
the 'Start' number, and the 'End' number in the appropriate input text
windows, then select the green `Generate' button. The generated isolevels
will appear below showing the ID, the level 1 and level 2, a created fillarea
attribute `Tf' olive green input text window, a green `show fillarea attribute
Tf' button, and a red `delete isolevel' button.
The `Tf' input text window indicates the fillarea secondary element that is in use. (See associated Hints for copy and drop procedures.) If the green `show fillarea attribute Tf' button is selected, then the `Fillarea Editor Panel' appears. If a value of `1e+20' appears in the `level 1' and `level 2' input text windows, then VCS generates default isolevels. To delete all the generated isolevels, select the red `Delete All' button. Select the red `Apply' button to register changes.
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