[vc_row type=”full_width_background” bg_position=”left top” bg_repeat=”no-repeat” bg_color=”#eeeeee” scene_position=”center” text_color=”dark” text_align=”left” top_padding=”50″ bottom_padding=”50″ class=”quickList”][vc_column width=”2/3″][vc_column_text]For some applications, encoded systems can be very powerful and robust. Cranes and remote heads allow for a variety of camera moves that may otherwise not be accomplished.
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Previzion is able to read encoder values and calculate the position of the camera using a crane survey.[/vc_column_text][/vc_column][vc_column width=”1/3″]
[vc_column_text]- Time: 2Hrs/Setup
- People Recommend: 3 people
- Skill Type: Camera, Grip & Survey
- HD Camera
- Remote Follow Focus
- Proper Camera Accessories and Mounts
- Measuring Tape
- Digital Level
- Golf Tees or Sand Ts
- Total Station
- Survey Data Collector
- Total Station Tripod and Spreaders
- Encoded Crane or Slider
- Remote Head
- Kuper Box, “Serial” Box or Talon Serial Output
- Lightcraft Cable Tether
- Previzion System with Secondary Serial Card Installed
- Video Breakout Box
- Basebox (“DIAL” box)
- Previzion Application
- Calrson SurvCE
Crane Setup
- Park and level base of crane or slider (allow for full extension and retraction)
- Mount Remote Head on crane
- Mount Camera Rig on Remote Head
- Mount remote follow focus and all connections to camera
- With full load, balance crane fully extended and retracted
- Level crane post
- Level crane arm
- Level crane arm using digital level
- Zero encoders for crane arm elevation and swing
- Align remote head and zero for pan and tilt
Crane Survey
- Setup Total Station to camera-right of crane
- Level and start up Total Station
- Start as “New Job” in SurvCE
- Set minimum setup and pink crane post as Backsight
- With crane fully retracted, ping:
- Boom Pivot,
- Mitchell Pivot, and
- Remote Head Pivot
- With crane fully extended:
- Remote Head Pivot
- Measure camera sensor offsets in relation to “Remote Head Pivot”
- Input camera sensor offsets into Previzion “Camera Sensor Offset” Configuration Pane
- Input pinged coordinated into Previzion “Crane Survey” Configuration Pane
- Verify Crane Model Pan, Tilt, Swing, Elevate and Extension
- Save System State
Location Survey (when applicable)
- Setup Total Station in line-of-sight of LIDAR markers
- Resection into LIDAR coordinated and heading
- Lock crane and camera
- Position Golf Tees or Sand Ts as survey markers within field-of-view of camera
- Ping Remote Head Pivot
- Pink markers
- Input survey markers into Previzion
- Input pined pivot into Previzion and set pan offset
- Unlock crane and camera to verify tracking
- Save System State