The Edit Each/All/On's/Group option menu allows one to edit just the current object, all objects at once, just the objects that are currently turned On, or objects belonging to a group selected in the Object List window. Features that can be edited in tandem for many objects include: point size, line width, material properties, drawing data type and style, and meshing parameters. Line color can also be changed in tandem if a separate check box is selected. When On's is selected, and the current object is not On, then it will not be changed, but a nearby object that was changed will be made the current one so that the dialog can reflect your change. Similar behavior occurs when Group is selected and the current object is not a member of the group defined in the Object List window. For a feature that cannot be edited in multiple objects, this setting has no effect - the current object is the only one changed.
The name of each object can be edited using the text edit box.
The numbered check boxes allow one to conveniently turn selected objects on and off. When an object is turned on, it becomes the current object. Only 48 checkboxes will be displayed here; if you have more objects, use the Edit - Object List menu entry to bring up a complete Object List window.
The Draw Data Type option selects which type of data to draw. You can select to draw contour data or mesh data. There is also an entry to turn drawing Off, and an entry to turn the drawing back On without having to select contour or mesh type. The latter is useful when you want to turn all items back on after turning them off.
The Drawing Style option selects the drawing style. You can select between drawing points, lines, filled or filled outline.
To select which parameter group is displayed in the panel in the lower right
part of the window,
use the mouse to select one of the entries in the list box in the lower left.
The controls in each group are listed below.
Use the Red, Green, and Blue sliders to adjust the
line color of the current object. This also sets the
fill color unless a separate color is selected in the Fill Color panel.
The Transparency slider selects object
transparency. Transparency is only an approximation and can
easily generate artifacts. To minimize these artifacts, the back
face of the object will not be displayed unless the
Light Both Sides button is selected in the
Material panel. Try it both ways to see which looks best.
By default, color changes will be applied to only one object in one
model. Check Change multiple objects to modify more than one object
at a time. The setting of the Edit combo box and the Edit
radio buttons in the Model Edit window will then control which objects
are changed together with the current object.
Use the sliders to adjust the fill color of the current object.
Select Use fill color to have this color used instead of the line
color whenever the object is being displayed as filled. Select
Use for spheres to have the fill color used just for display of
spheres. This would allow you to have a surface of one color studded with
spheres of another color at selected points.
The Ambient slider adjusts ambient, or non-directional, light
hitting the object.
The Diffuse slider adjusts light hitting the object from the
light source, which then diffuses in a direction-dependent way.
The Shininess and Specularity sliders together adjust the
shininess or highlights of the object.
Select Light Both Sides to have the object
lit on both its outside and inside surfaces. If you just want to have the
inside surface show up less dark than it does by default, try increasing the
Ambient value and decreasing the Diffuse value to compensate.
This panel controls the rendering of spheres that are displayed at individual
points. The sphere radius can be incremented, decremented, or typed
into the spin box. Note that setting the radius non-zero will cause
points to be displayed at each point, even for open and closed contour
objects. The quality of the spheres is controlled by the
two quality spin boxes, one to set the quality for the particular
object, and one to set the overall minimum quality for all objects.
The display quality for an object is the maximum of its own
quality setting and the global setting (range 1 - 4). The global
setting can also be controlled by the G and Shift+G hot keys.
This panel has controls that affect the drawing of lines in the model view
window, as well as some other object properties that you might want to
change for multiple objects at once.
The Black and White sliders adjust the contrast range of the displayed values. The intensity ramp can be inverted by setting the Black slider higher than the White one.
By default, the values will be shown as an intensity modulation of the object's color. Use the False color checkbox to display the values in false color instead. Alternatively, the Fixed color checkbox can be used to keep the color constant instead of modulating it with the stored values.
The Turn off Low and High buttons can be used to turn off the drawing of contours or points whose stored values fall below the lower of the Black and White levels or above the higher of the two levels, respectively. This feature does not work for mesh displays. If you do not want to view values in false color, you can used the Fixed color option to distinguish clearly between items below and above the low threshold (otherwise, items just above the threshold will be too dark to see).
Note that once the drawing of stored values is turned on, it is applied
to model features drawn in the image display windows, if any.
These controls allow you to set up clipping planes for an
object as well as global clipping planes that will be applied to all
objects. The position and orientation of a plane is adjusted by
holding down the Ctrl key and doing the same operations that would
ordinarily move or rotate the model.
The controls at the top of the panel affect the behavior of the program rather than applying to the current object. Select Show current plane to have the current plane drawn as a semi-transparent plane so that you can see its position better. When you switch planes or objects, you will see the new current plane, if any. Use the Object and Global radio buttons to select whether to adjust global planes or planes for the current object.
The remaining controls affect stored properties of the global clipping planes, or the current object and its clipping planes. If you want the current object to be clipped only by its own planes and not by any global planes, turn on Skip global planes. The Plane # spin box allows you to select the current plane, the one that is adjusted by the remaining controls. Use Clipping plane ON to toggle the current clipping plane on or off. The Plane # spin box always allows you to select one plane past the highest one that has already been defined, so you can add another plane just by selecting the next available number and turning the plane on.
The Reset X, Y, Z buttons move the plane back to its default location through the middle of the object or model and orient it perpendicular to the X, Y or Z axis. The Invert button inverts the direction of the clipping plane. Turn on Adjust all planes to operate on all of the object or global planes at once; these operations include moving, rotating, and turning on or off. This option is useful if you have set up several planes to enclose a box and want to shift or rotate the box as a unit.
Once the current plane is turned on, hold down the Ctrl key to move and rotate the plane instead of the model. Use the left mouse button or the arrow keys to move the plane, and the middle mouse button or the keypad keys to rotate the plane.
Up to 6 clipping planes may be defined for each object, as well as 6
global planes. However, the OpenGL implementation on your machine
limits the total number of planes that can be applied to an object.
There are guaranteed to be at least 6 but probably are only 6. If this
limit comes into play, object planes count first toward the limit.
This panel allows one to view orthogonal faces of the model.
Each column of buttons will move by 90 degree rotations about
one of the three axes.
The Center on Object button will center the display on the
This panel allows one to view the current object, surface or
contour of the model, if one is selected, or just the current point in a
scattered point object. Current Surface
Only or Current Contour Only will show only the current
surface or contour in the current object. Surface & Other
Objects or Contour & Other Objects will show the current
surface or contour in the current object, plus all other objects
that are turned on. Point & Other Objects is available only when the
current object type is scattered points and will show only the current
point in the current object, along with all other objects that are turned on.
This panel allows the current object to be meshed if it is an open or closed
object. The various controls correspond to options in
Imodmesh; see that man page
for more details. If the object has been meshed before, the
parameters for that meshing will be used to set these controls. In addition,
any parameters set through Imodmesh but not appearing here, such as X or Y
limits or lists of Z values to not cap to, will still be
applied when remeshing through this interface. If you changing the meshing
parameters for more than one object (i.e., with an Edit option of with
editing of multiple models enabled), then an object will be changed only if
the particular parameter change is relevant for that kind of object or
appropriate given the other parameters set for that object.
The controls are:
Pressing Mesh All will mesh all closed and open contour objects in the model. The meshing parameters used for each object will be the ones defined for that object, if it has been meshed before, or it will be the default parameters that you would see in this panel if you switched to that object. The parameters visible for the current object are not necessarily the defaults for the other objects.