Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Isodose plotting for pen plotters.

I I Rosen

    Medical Physics
    |September 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    This study presents an efficient algorithm for plotting radiation therapy isodose lines, reducing pen plotter time and wear. The method extracts, sorts, and plots dose points for faster, more reliable treatment plan visualization.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Phase I study of concomitant gemcitabine and IMRT for patients with unresectable adenocarcinoma of the pancreatic head.

    International journal of gastrointestinal cancer·2003
    Same author

    Correlation between lung fibrosis and radiation therapy dose after concurrent radiation therapy and chemotherapy for limited small cell lung cancer.

    Radiology·2001
    Same author

    Beam-commissioning methodology for a three-dimensional convolution/superposition photon dose algorithm.

    Journal of applied clinical medical physics·2001
    Same author

    On the need for monitor unit calculations as part of a beam commissioning methodology for a radiation treatment planning system.

    Journal of applied clinical medical physics·2001
    Same author

    Optimization of beam orientations and weights for coplanar conformal beams in treating pancreatic cancer.

    Medical dosimetry : official journal of the American Association of Medical Dosimetrists·2000
    Same author

    Prostate cancer treatment with radiotherapy: maturing methods that minimize morbidity.

    Seminars in oncology·1999
    Same journal

    Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

    Medical physics·2026
    Same journal

    Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

    Medical physics·2026
    Same journal

    Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

    Medical physics·2026
    Same journal

    Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

    Medical physics·2026
    Same journal

    Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

    Medical physics·2026
    Same journal

    Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

    Medical physics·2026
    See all related articles

    Area of Science:

    • Medical Physics
    • Radiotherapy Planning
    • Computer Graphics

    Background:

    • Accurate isodose line plotting is crucial for radiotherapy treatment planning.
    • Existing plotting methods can be time-consuming and cause wear on plotting hardware.
    • Optimization of plotting algorithms can improve efficiency and reduce costs.

    Purpose of the Study:

    • To describe a novel algorithm for plotting isodose lines in radiotherapy treatment plans.
    • To specifically optimize the algorithm for pen plotters by minimizing pen motion.
    • To reduce plotting time and mechanical wear on plotting devices.

    Main Methods:

    • A general algorithm for extracting and plotting isodose lines from a dose matrix was developed.
    • The algorithm sorts dose points into continuous contours before plotting.

    Related Experiment Videos

  • Implementation was performed on DEC PDP-11/60 and VAX-11/780 computers with various pen and raster graphics terminals.

    • Main Results:

    • The algorithm effectively reduces pen motion, leading to decreased plotting time.
    • The method demonstrated comparable execution times to simpler direct-plotting techniques.
    • Successful implementation across multiple computer systems and plotting devices was achieved.

    Conclusions:

    • The developed algorithm offers an efficient solution for isodose line plotting in radiotherapy.
    • Reduced pen motion translates to practical benefits in terms of time and equipment longevity.
    • This method provides a viable alternative for enhancing radiotherapy treatment plan visualization.