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Quella777
2025-08-25 16:30:02 +08:00
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15
checkerboard_plane/checkerboard_plane.sdf Normal file
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<?xml version='1.0'?>
<sdf version="1.6">
<model name="checkerboard_plane">
<static>true</static>
<link name="link">
<visual name="visual">
<geometry>
<mesh>
<uri>model://checkerboard_plane/meshes/checkerboard_plane.dae</uri>
</mesh>
</geometry>
</visual>
</link>
</model>
</sdf>

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checkerboard_plane/materials/textures/checker.png Normal file
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checkerboard_plane/meshes/checkerboard_plane.dae Normal file
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<?xml version="1.0" encoding="utf-8"?>
<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
<asset>
<contributor>
<author>Blender User</author>
<authoring_tool>Blender 2.78.0</authoring_tool>
</contributor>
<created>2017-04-04T15:56:25</created>
<modified>2017-04-04T15:56:25</modified>
<unit name="meter" meter="1"/>
<up_axis>Z_UP</up_axis>
</asset>
<library_images>
<image id="checker_png" name="checker_png">
<init_from>checker.png</init_from>
</image>
</library_images>
<library_effects>
<effect id="Material-effect">
<profile_COMMON>
<newparam sid="checker_png-surface">
<surface type="2D">
<init_from>checker_png</init_from>
</surface>
</newparam>
<newparam sid="checker_png-sampler">
<sampler2D>
<source>checker_png-surface</source>
</sampler2D>
</newparam>
<technique sid="common">
<phong>
<emission>
<color sid="emission">1 1 1 1</color>
</emission>
<ambient>
<color sid="ambient">1 1 1 1</color>
</ambient>
<diffuse>
<texture texture="checker_png-sampler" texcoord="UVMap"/>
</diffuse>
<specular>
<color sid="specular">0 0 0 1</color>
</specular>
<shininess>
<float sid="shininess">50</float>
</shininess>
<index_of_refraction>
<float sid="index_of_refraction">1</float>
</index_of_refraction>
</phong>
</technique>
</profile_COMMON>
</effect>
</library_effects>
<library_materials>
<material id="Material-material" name="Material">
<instance_effect url="#Material-effect"/>
</material>
</library_materials>
<library_geometries>
<geometry id="Plane-mesh" name="Plane">
<mesh>
<source id="Plane-mesh-positions">
<float_array id="Plane-mesh-positions-array" count="12">-1 -1 0 1 -1 0 -1 1 0 1 1 0</float_array>
<technique_common>
<accessor source="#Plane-mesh-positions-array" count="4" stride="3">
<param name="X" type="float"/>
<param name="Y" type="float"/>
<param name="Z" type="float"/>
</accessor>
</technique_common>
</source>
<source id="Plane-mesh-normals">
<float_array id="Plane-mesh-normals-array" count="3">0 0 1</float_array>
<technique_common>
<accessor source="#Plane-mesh-normals-array" count="1" stride="3">
<param name="X" type="float"/>
<param name="Y" type="float"/>
<param name="Z" type="float"/>
</accessor>
</technique_common>
</source>
<source id="Plane-mesh-map-0">
<float_array id="Plane-mesh-map-0-array" count="12">0.9999001 9.998e-5 9.998e-5 0.9999001 1.0004e-4 9.998e-5 0.9999001 9.998e-5 0.9999001 0.9999001 9.998e-5 0.9999001</float_array>
<technique_common>
<accessor source="#Plane-mesh-map-0-array" count="6" stride="2">
<param name="S" type="float"/>
<param name="T" type="float"/>
</accessor>
</technique_common>
</source>
<vertices id="Plane-mesh-vertices">
<input semantic="POSITION" source="#Plane-mesh-positions"/>
</vertices>
<polylist material="Material-material" count="2">
<input semantic="VERTEX" source="#Plane-mesh-vertices" offset="0"/>
<input semantic="NORMAL" source="#Plane-mesh-normals" offset="1"/>
<input semantic="TEXCOORD" source="#Plane-mesh-map-0" offset="2" set="0"/>
<vcount>3 3 </vcount>
<p>1 0 0 2 0 1 0 0 2 1 0 3 3 0 4 2 0 5</p>
</polylist>
</mesh>
</geometry>
</library_geometries>
<library_controllers/>
<library_visual_scenes>
<visual_scene id="Scene" name="Scene">
<node id="Plane" name="Plane" type="NODE">
<matrix sid="transform">1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1</matrix>
<instance_geometry url="#Plane-mesh" name="Plane">
<bind_material>
<technique_common>
<instance_material symbol="Material-material" target="#Material-material">
<bind_vertex_input semantic="UVMap" input_semantic="TEXCOORD" input_set="0"/>
</instance_material>
</technique_common>
</bind_material>
</instance_geometry>
</node>
</visual_scene>
</library_visual_scenes>
<scene>
<instance_visual_scene url="#Scene"/>
</scene>
</COLLADA>

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checkerboard_plane/model.config Normal file
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<?xml version="1.0"?>
<model>
<name>Checkerboard Plane</name>
<version>1.0</version>
<sdf version='1.6'>checkerboard_plane.sdf</sdf>
<author>
<name>Adam Allevato</name>
<email>adam.d.allevato@gmail.com</email>
</author>
<description>
A plane with a reference checkerboard texture on it, used to validate and calibrate camera models. The checkerboard is 8x8 squares (like a standard checkerboard), and measures 2m on each side.
</description>
</model>