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3D World

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3D World

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3D World

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On the View tab there are tools to controls visibility of elements in the 3D space.

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Light

 

The Light slider allows you to change the light level on the layout, and a combo box located next to - the direction of light. These tools allow you to highlight dark or light areas located at different angles to the viewer.

 

3D view area

 

The 3D view area  checkbox allows to hide 3D view areas of all cameras at once.

 

You can switch ON/OFF 3D view areas of separate cameras using the 3D View area button on the Toolbar of Graphics window.

 

Four checkboxes located on the sides of the rectangle are used to hide individual faces of view areas, for a more detailed studying their borders.

 

Color of faces is determined by the same rules as the color of view area filling in the Graphics window:

 

If the line type of camera coincides with default line type for camera icons, specified in the Options box, then for this camera faces are filled by Gray color. (Camera 32)

 

Default line type for cameras is Line 21.

 

If another line type was assigned to the camera, then for this camera faces are filled by a color determined by color of the line type (Camera 33,34).

 

If the Spatial resolution is enabled, then colors of filling faces is determined by Spatial resolution parameters (Camera 35,36).

 

 

If Off is chosen in the Fill projections and Shadows, then filling view area faces in the 3D World is not shown.

 

Faces of 3D view areas are built taking into account shadows from surrounding objects. Automatic calculation of shadows can't be disabled, but it is performed only for the active camera. For other cameras shadows are displayed from memory, in the form when this camera was active. If surrounding objects of a camera were changed, or a new camera was pasted, to update the shadows activate this camera.

 

To recalculate 3D view areas of all cameras on the current layout use the Recalc. button.

 

 

To make a construction considered as an obstacle in the calculation of shadows of the 3D view areas in the 3D World :

 

Line type of the construction must have the checkbox Shadow marked ;
The construction must belong to a layer with the field Shadows marked;

 

To make a 3D model is considered as an obstacle in calculation of shadows of the view areas in the 3D World :

 

Line type of the instance of the 3D model must must have the checkbox Shadow marked;
3D model must belong to a layer with the field Shadows marked;
The instance of the 3D model , must have checkbox Shadow on the Current construction parameter panel marked or the Shadow checkbox on the View tab, 3D Models window must be marked .

 

Calculation of shadows in the 3D World works independently on the calculation of shadows in the Graphics  window and in complicated environment it works more roughly but much faster.

 

Accounting for 3D models as obstacles in the 3D World does not depend on the state of the checkbox Calculate shadows from 3D models in the Options box. Using this checkbox it is convenient to disable calculation of shadows from 3D models only in the Graphics window, where this calculation requires a lot of resources, but leave the calculation of shadows from 3D models in the 3D World.

 

3D models of view areas can be exported to *.dxf file. The *.dxf files can be imported by many 3D design software, for example SketchUP.

 

Recalc.

 

Faces of 3D view areas are built taking into account shadows from surrounding objects. Automatic calculation of shadows can't be disabled, but it is performed only for the active camera. For other cameras shadows are displayed from memory, in the form when this camera was active.

 

Click this button launches procedure of recalculating 3D view areas of all cameras on the current layout in the 3D World. During the procedure all cameras are activated sequentially.

 

Transparence

 

Using the Transparence combo box you can change transparence of 3D view area faces and active camera coverage. 3D view area of the active camera has lower transparency (highlighted by color strength).

 

See also: Transparence in the Graphics window.

 

Coverage

 

The Coverage checkbox allows to switch ON/OFF displaying active camera coverage on surrounding objects. The coverage is calculating and displaying for the active camera only.

 

Color of the coverage is determined by the same rules as the color of view area filling in the Graphics window and color of 3D view area faces:

 

If the line type of camera coincides with default line type for camera icons, specified in the Options box, then for this camera the coverage is filled by Gray color. (Camera 32)

 

Default line type for cameras is Line 21.

 

If another line type was assigned to the camera, then for this camera the coverage is filled by a color determined by color of the line type (Camera 33).

 

If the Spatial resolution is enabled, then colors of filling coverage is determined by Spatial resolution parameters (Camera 34,35).

 

Objects can be considered as obstacles or not, according to the same rules as in calculating shadows.

 

To make a construction considered as an obstacle in the calculation of the coverage in the 3D World :

 

Line type of the construction must have the checkbox Shadow marked ;
The construction must belong to a layer with the field Shadows marked;

 

 

To make a 3D model is considered as an obstacle in calculation of the coverage in the 3D World :

 

Line type of the instance of the 3D model must must have the checkbox Shadow marked;
3D model must belong to a layer with the field Shadows marked;
The instance of the 3D model , must have checkbox Shadow on the Current construction parameter panel marked or the Shadow checkbox on the View tab, 3D Models window must be marked .

 

Accounting for 3D models as obstacles in the 3D World does not depend on the state of the checkbox Calculate shadows from 3D models in the Options box.

 

Calculation of coverage in the 3D World works independently on the calculation of shadows in the Graphics  window and in complicated environment it works more roughly but much faster.

 

You can adjust transparence of the coverage, resolution of coverage calculation and adjust deleting inner faces formed in the view area by obstacles.

 

If the Dome mode is chosen for the active camera then the coverage displays the territory controlled by the camera in 360 degrees, without view area borders, but only taking into account the shadowing.

 

When the Dome item is chosen, actually the control area of an ideal dome (PTZ) camera wish spherical 360-degree FOV is displayed.

 

The Dome mode is also useful for choosing the best installation place for fixed cameras to make required areas reachable for the cameras.

 

In the Dome mode all shaded areas from the specified camera position become visible.

 

In the Dome mode the Spatial resolution is calculated without taking into account pan and tilt angles of camera. It is assumed that the camera can pan and tilt freely, and spatial resolution is calculated at the center of the field of view.

 

Coverage calculations in the Dome mode requires a lot of computing resources. To increase speed of image refresh, reduce the Resolution of calculating the coverage.

 

3D models of the coverage can be exported to *.dxf file. The *.dxf files can be imported by many 3D design software, for example SketchUP.

 

Resolution

 

In the box, you can select the resolution of the camera coverage calculation. The higher the resolution is, the more accurate the calculation, but the more time is needed to redraw image in the 3D World.

 

Coverage calculations in the Dome mode requires a lot of computing resources. To increase speed of image refresh, reduce the Resolution of calculating the coverage.

 

When you export the coverage to DXF file, it is recommended to set the minimum required resolution to make DXF file of low size and its processing takes less time.

 

Inner faces

 

Shading from obstacles forms new internal faces (see Fig.) The inner faces in most cases spoil the view of the camera coverage.

 

Coverage with inner faces

Coverage without inner faces

 

By changing the parameter in the combo box, you can adjust the removal of inner faces with minimum loss of coverage. The smaller the value in the box, the more fully the inner faces is removed, but the more parts of real coverage can be removed together with them. The more the parameter is, the less carefully the inner faces is removed. If you choose leave, then the inner faces will not be deleted.

 

Cameras, Illuminators, Camera names, Grid, Background, Textura

 

These checkboxes allow to show/hide Cameras, Illuminators, Camera names, Grid, Background in the 3D World.

 

Font of camera names can be changed in the Options box.

 

The Texture checkbox allows you to disable texture of 3D models with textures. Disabling texture increases the speed of redrawing complex 3D models and hides an excessive amount of detail, allowing you to concentrate on the 3D model geometry.

 

Ground panel

 

On the panel you can switch ON/OF displaying ground surface. You can set color, height relative to the zero ground.

If the Active camera checkbox is checked, then height of the ground is kept equal to the base height of the active camera.