Optimizing SVG Figure Alignment for LaTeX Journals in Inkscape and Overleaf

Fixing SVG Figure Alignment Issues Between Inkscape and Overleaf

Author Tahzib Mahmud Rifat identified that SVG figures appearing perfect in Inkscape often shift alignment when uploaded to Overleaf. This behavior stems from inconsistent SVG text rendering engines that displace labels, bar values, and rotated elements during the conversion to PDF.

Why This Matters

Designers often assume SVG portability ensures visual fidelity, but in a technical publishing context like LaTeX, the discrepancy between local rendering and the final PDF engine can break chart legibility. For a blockchain e-voting system research paper, this meant labels for log-scale ticks and gas-cost sensitivity shifted, potentially misrepresenting the underlying data and requiring a manual audit of page layout metrics to fix.

Key Insights

• Identify exact page layout via a layout-debug block in Overleaf to find critical metrics like the 164.6 mm text width.
• Calculate figure width using LaTeX parameters where \includegraphics[width=0.9\textwidth] refers to 90% of the paper text width, not the original image size.
• SVG text rendering inconsistencies occur because Overleaf may use different font rendering methods or baseline calculations compared to Inkscape.
• Convert text to vector paths using ‘Path -> Object to Path’ in Inkscape to prevent LaTeX from replacing fonts or altering label positions.
• Maintain a dual-file workflow using an editable SVG for future updates and a ‘Plain SVG’ or PDF for the final stable LaTeX submission.

Working Examples

Recommended method for including the final SVG in an Overleaf project.

\begin{figure}[htbp]
\centering
\includegraphics[width=0.9\textwidth]{images/gas_cost_sensitivity_chart_final.svg}
\caption{Transaction cost of the proposed system's smart-contract functions under different gas-price scenarios.}
\label{fig:gas_cost_sensitivity}
\end{figure}

LaTeX command used to set image width relative to the document text width.

\includegraphics[width=0.9\textwidth]{figure}

Practical Applications

• Use Case: Researchers preparing journal submissions should export final figures as PDF or Plain SVG with converted paths to ensure visual consistency. Pitfall: Manually forcing figure height in Inkscape without locking the aspect ratio leads to distorted or stretched images in the final PDF.
• Use Case: Use a layout-debug block in the LaTeX preamble to extract precise paper dimensions (e.g., Text width = 468.3324 pt). Pitfall: Keeping text as live editable font objects in SVGs, which causes Overleaf to misalign rotated x-axis labels or superscripts.

References:

• https://dev.to/rifat87/fixing-svg-figure-alignment-issues-between-inkscape-and-overleaf-1lk1