Fix urls for the images in the landing page

Author: SergioRAgostinho

index.md

@@ -18,27 +18,27 @@ To simplify both usage and development, we split PCL into a series of modular li
 <table align="center">
 <tr align="center"><td><b>filters</b></td><td><b>features</b></td><td><b>keypoints</b></td></tr>
 <tr align="center">
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__filters.html"><img height="100" src="/assets/images/overview/filters_small.png" /></a></td>
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__features.html"><img height="100" src="/assets/images/overview/features_small.png" /></a></td>
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__keypoints.html"><img height="100" src="/assets/images/overview/keypoints_small.png" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__filters.html"><img height="100" src="{{ '/assets/images/overview/filters_small.png' | relative_url }}" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__features.html"><img height="100" src="{{ '/assets/images/overview/features_small.png' | relative_url }}" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__keypoints.html"><img height="100" src="{{ '/assets/images/overview/keypoints_small.png' | relative_url }}" /></a></td>
 </tr>
 <tr align="center"><td><b>registration</b></td><td><b>kdtree</b></td><td><b>octree</b></td></tr>
 <tr align="center">
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__registration.html"><img height="100" src="/assets/images/overview/registration_small.png" /></a></td>
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__kdtree.html"><img height="100" src="/assets/images/overview/kdtree_small.png" /></a></td>
-<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__octree.html"><img height="100" src="/assets/images/overview/octree_small.png" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__registration.html"><img height="100" src="{{ '/assets/images/overview/registration_small.png' | relative_url }}" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__kdtree.html"><img height="100" src="{{ '/assets/images/overview/kdtree_small.png' | relative_url }}" /></a></td>
+<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__octree.html"><img height="100" src="{{ '/assets/images/overview/octree_small.png' | relative_url }}" /></a></td>
 </tr>
 <tr align="center"><td><b>segmentation</b></td><td><b>sample_consensus</b></td><td><b>surface</b></td></tr>
 <tr align="center">
-	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__segmentation.html"><img height="100" src="/assets/images/overview/segmentation_small.png" /></a></td>
-	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__sample__consensus.html"><img height="100" src="/assets/images/overview/sample_consensus_small.png" /></a></td>
-	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__surface.html"><img height="100" src="/assets/images/overview/surface_small.png" /></a></td>
+	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__segmentation.html"><img height="100" src="{{ '/assets/images/overview/segmentation_small.png' | relative_url }}" /></a></td>
+	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__sample__consensus.html"><img height="100" src="{{ '/assets/images/overview/sample_consensus_small.png' | relative_url }}" /></a></td>
+	<td style="border-bottom: 2px solid rgb(128,128,128);"><a href="{{ site.api_base_url }}/group__surface.html"><img height="100" src="{{ '/assets/images/overview/surface_small.png' | relative_url }}" /></a></td>
 </tr>
 <tr align="center"><td><b>recognition</b></td><td><b>io</b></td><td><b>visualization</b></td></tr>
 <tr align="center">
-<td><a href="{{ site.api_base_url }}/group__recognition.html"><img height="100" src="/assets/images/overview/recognition_small.png" /></a></td>
-<td><a href="{{ site.api_base_url }}/group__io.html"><img height="100" src="/assets/images/overview/io_small.jpg" /></a></td>
-<td><a href="{{ site.api_base_url }}/group__visualization.html"><img height="100" src="/assets/images/overview/visualization_small.png" /></a></td>
+<td><a href="{{ site.api_base_url }}/group__recognition.html"><img height="100" src="{{ '/assets/images/overview/recognition_small.png' | relative_url }}" /></a></td>
+<td><a href="{{ site.api_base_url }}/group__io.html"><img height="100" src="{{ '/assets/images/overview/io_small.jpg' | relative_url }}" /></a></td>
+<td><a href="{{ site.api_base_url }}/group__visualization.html"><img height="100" src="{{ '/assets/images/overview/visualization_small.png' | relative_url }}" /></a></td>
 </tr>
 </table>