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Projectile's Physical System Desc. Figure Concerns

Open balacij opened this issue 4 months ago • 2 comments

Looking at Projectile's PSD figure, I had some notes/concerns:

Image

Notes:

  1. The text annotations (Projectile, Launcher, and Target) might be best off in a legend with coloured nodes replacing the existing black nodes.
  2. $\mathbf{p}$ does not appear in the table of symbols. But $p(t)$ does.
  3. We mix notation styles, e.g., $v^i$ (superscript $i$) and $p_{\text{target}}$ (subscribt $\text{target}$).
  4. The annotation $p_{\text{target}}$ is a bit poorly placed. It looks like it is the difference between $p_{\text{land}}$ and $\text{Target}$, with $d_{\text{offset}} = |p_\text{target}|$.
  5. $x$ and $y$ could be placed a bit better.
  6. Is the arrow with $g$ necessary? I don't know if that's really a part of the physical system description. If it is, then we need to add a $PS4$ element to the PSD that mentions it.

balacij avatar Aug 19 '25 03:08 balacij

These are good points @balacij. Maybe a bit picky, but picky is good! The problem is that the figures are hand-drawn and not generated. If the notation changes in the document, the author needs to manually fix the figure.

I like $g$ in the figure, to emphasize that it is pointing down. The figure could be referenced by the assumption that $g$ is down (yAxisGravity). The figure's purpose doesn't have to be limited to the physical system description.

smiths avatar Aug 19 '25 03:08 smiths

I don't think it would be that hard to generate TikZ for that diagram, which would take care of inconsistencies. How to generate SVG (for the HTML) is less clear to me.

JacquesCarette avatar Aug 22 '25 20:08 JacquesCarette