hand_model/allegro_hand_description/allegro_hand_description_right.xacro

<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="allegro_hand_right">

<!--
rosrun xacro xacro.py allegro_hand_description_right.urdf.xacro > allegro_hand_description_right.urdf
roslaunch launchers/fuerte/allegro_hand_jgui_right_virtual.launch 
-->

<xacro:property name="DEG2RAD" value="0.01745329251" />

<!-- ======================== BASE PARAMS ========================= -->

<xacro:property name="base_link_z" value="0.095" />

<!-- ======================== FINGER PARAMS ======================== -->

<xacro:property name="links_x" value="0.0196" />
<xacro:property name="links_y" value="0.0275" />

<xacro:property name="link0_z" value="0.0164" />
<xacro:property name="link1_z" value="0.0540" />
<xacro:property name="link2_z" value="0.0384" />

<!-- full height from joint to tip. when used,
the radius of the finger tip sphere will be subtracted
and one fixed link will be added for the tip. -->
<xacro:property name="link3_z" value="0.0387" /> 
<xacro:property name="fingerTip_r" value="0.0120" />

<xacro:property name="offset_origin_x_const" value="0" />
<xacro:property name="offset_origin_y_const" value="0.0435" /> <!--0.0435,   0.044981--> 
<xacro:property name="offset_origin_z_const" value="-0.001542" /> <!--0.002298--> 
<xacro:property name="offset_origin_z_mid_const" value="0.0007" /> <!--0.002298--> 


<!-- ========================= THUMB PARAMS ========================= -->

<xacro:property name="link0_t_x" value="0.0358" />
<xacro:property name="link0_t_y" value="0.0340" />
<xacro:property name="link0_t_z" value="0.0455" />

<xacro:property name="link1_t_z" value="0.0177" />
<xacro:property name="link2_t_z" value="0.0514" />
<xacro:property name="link3_t_z" value="0.0543" />


<!-- ========================= LIMITS ========================= -->

<xacro:property name="joint_safety_margin" value="0.1" />
<xacro:property name="limit_0_up" value="0.57" />
<xacro:property name="limit_0_low" value="-0.57" />
<xacro:property name="limit_1_up" value="1.71" />
<xacro:property name="limit_1_low" value="-0.296" />
<xacro:property name="limit_2_up" value="1.809" />
<xacro:property name="limit_2_low" value="-0.274" />
<xacro:property name="limit_3_up" value="1.718" />
<xacro:property name="limit_3_low" value=" -0.327" />

<xacro:property name="limit_0_t_up" value="1.496" />
<xacro:property name="limit_0_t_low" value="0.363" />
<xacro:property name="limit_1_t_up" value="1.263" />
<xacro:property name="limit_1_t_low" value="-0.205" />
<xacro:property name="limit_2_t_up" value="1.744" />
<xacro:property name="limit_2_t_low" value="-0.289" />
<xacro:property name="limit_3_t_up" value="1.819" />
<xacro:property name="limit_3_t_low" value="-0.262" />

<!-- ============================================================================= -->
<!-- ============================================================================= -->
<!-- ============================================================================= -->


<!-- BASE -->
<link name="base_link">
	
	<visual>
    	<geometry>
      		<mesh filename="package://allegro_hand_description/meshes/base_link.STL" />
      	</geometry>
      
      	<!-- LEFT -->
      	<!-- <origin rpy="${-90*DEG2RAD} 0 0" xyz="0 0 0 "/> -->
      	<!-- RIGHT -->
      	<origin rpy="0 0 0" xyz="0 0 0 "/>
      
      	<material name="black">
        	<color rgba="0.2 0.2 0.2 1"/>
      	</material>
	</visual>
    
    <collision>
	    <origin rpy="0 0 0" xyz="-0.009300 0 -${base_link_z/2}"/>
    	<geometry>
        	<box size="0.0408 0.1130 ${base_link_z}"/>
      	</geometry>
    </collision>
   
  </link>

<!-- ============================================================================= -->


<!-- FINGERS -->

<!-- RIGHT HAND due to which finger is number 0 -->
<!-- for LEFT HAND switch the sign of the **offset_origin_y** and **finger_angle_r** parameters-->
<xacro:finger 
	finger_num=			"0"
	offset_origin_x=	"${offset_origin_x_const}"	
	offset_origin_y=	"${offset_origin_y_const}"
	offset_origin_z=	"${offset_origin_z_const}"
	finger_angle_r=		"-${5.0*DEG2RAD}"
/>

<xacro:finger
	finger_num=			"1" 
	offset_origin_x=	"${offset_origin_x_const}"	
	offset_origin_y=	"0" 
	offset_origin_z=	"${offset_origin_z_mid_const}" 
	finger_angle_r=		"0.0"
/>

<xacro:finger 
	finger_num=			"2" 
	offset_origin_x=	"${offset_origin_x_const}"	
	offset_origin_y=	"-${offset_origin_y_const}" 
	offset_origin_z=	"${offset_origin_z_const}" 
	finger_angle_r=		"${5.0*DEG2RAD}"
/>


<!-- THUMB -->

<xacro:thumb_right
	finger_num=			"3" 
	offset_origin_x=	"-0.0182"	
	offset_origin_y=	"0.019333" 
	offset_origin_z=	"-0.045987"
	
	
	finger_angle_r=		"0"
	finger_angle_p=		"-${95*DEG2RAD}"	
	finger_angle_y=		"-${90*DEG2RAD}"
/>

<!--
<xacro:thumb_left 
	finger_num=			"3" 
	offset_origin_x=	"-0.0182"	
	offset_origin_y=	"-0.019333" 
	offset_origin_z=	"-0.045987" 
	
	
	finger_angle_r=		"${90*DEG2RAD}"
	finger_angle_p=		"-${95*DEG2RAD}"	
	finger_angle_y=		"${90*DEG2RAD}"
/>
-->


<!-- ============================================================================= -->
<!-- ============================================================================= -->
<!-- ============================================================================= -->


<!-- THUMB MACRO -->
<xacro:macro name="thumb_right" params="finger_num offset_origin_x offset_origin_y offset_origin_z finger_angle_r finger_angle_p finger_angle_y">

<!-- [LINK 12] -->
	<link name="link_${finger_num*4+0}">	
	
    	<visual>
			<geometry>
        		<!-- RIGHT -->
      			<mesh filename="package://allegro_hand_description/meshes/link_12.0_right.STL" />
      			<!-- LEFT -->
      			<!-- <mesh filename="package://allegro_hand_description/meshes/link_12.0_left.STL" /> -->
      		</geometry>
      		<material name="black">
        		<color rgba=".2 .2 .2 1"/>
      		</material>
    	</visual>   
    
    	<collision>
      		<geometry>
        		<box size="${link0_t_x} ${link0_t_y} ${link0_t_z}"/>
      		</geometry>
      		
  			<!-- RIGHT -->
            <origin rpy="0 0 0" xyz="${-0.0358/2+0.0} ${.018/2} ${.029/2}"/>
     		<!-- LEFT -->
     		<!-- <origin rpy="0 0 0" xyz="${-0.0358/2+0.0} ${-.018/2} ${.029/2}"/> -->
    	</collision>   
        
	</link>
  
	<joint name="joint_${finger_num*4+0}" type="revolute">
	
    	<axis xyz="-1 0 0"/>
    	<limit effort="0" velocity="0" lower="${limit_0_t_low-joint_safety_margin}" upper="${limit_0_t_up-joint_safety_margin}" />
    	<parent link="base_link"/>
    	<child link="link_${finger_num*4+0}"/>
    	<origin rpy="${finger_angle_r} ${finger_angle_p} ${finger_angle_y}" xyz="${offset_origin_x} ${offset_origin_y} ${offset_origin_z}"/>
    	
	</joint>
  
  
<!-- [LINK 13] -->
	<link name="link_${finger_num*4+1}">	
		<visual>
			<geometry>
		    	<mesh filename="package://allegro_hand_description/meshes/link_13.0.STL" />
		  	</geometry>
		  
		  	<material name="black">
		  		<color rgba=".2 .2 .2 1"/>
		 	</material>
		</visual>  
		
		<collision>
			<geometry>
		    	<box size="${links_x} ${links_y} ${link1_t_z}"/>
		  	</geometry>
		  	
		  	<origin rpy="0 0 0" xyz="0 0 ${link1_t_z/2}"/>
		</collision>    
	</link>
  
  	<joint name="joint_${finger_num*4+1}" type="revolute">
  	
    	<axis xyz="0 0 1"/>
     	<limit effort="0" velocity="0" lower="${limit_1_t_low+joint_safety_margin}" upper="${limit_1_t_up-joint_safety_margin}" />
    	<parent link="link_${finger_num*4+0}"/>
    	<child link="link_${finger_num*4+1}"/>
		
		<!-- RIGHT -->    
    	<origin xyz="-0.027 0.005 0.0399"/>
    	<!-- LEFT -->
    	<!-- <origin xyz="-0.027 -0.005 0.0399"/> -->

  	</joint>  


<!-- [LINK 14] -->
  
	<link name="link_${finger_num*4+2}">	
		<visual>
			<geometry>
		  		<mesh filename="package://allegro_hand_description/meshes/link_14.0.STL" />      
			</geometry>
			<material name="black">
		  	</material>
		</visual>   
		
		<collision>
			<geometry>
		    	<box size="${links_x} ${links_y} ${link2_t_z}"/>
		  	</geometry>
		  	<origin rpy="0 0 0" xyz="0 0 ${link2_t_z/2}"/>
		</collision>   
        
	</link>
  
  <joint name="joint_${finger_num*4+2}" type="revolute">
  
		<axis xyz="0 1 0"/>
		<limit effort="0" velocity="0" lower="${limit_2_t_low+joint_safety_margin}" upper="${limit_2_t_up-joint_safety_margin}" />
		<parent link="link_${finger_num*4+1}"/>
		<child link="link_${finger_num*4+2}"/>
		<origin xyz="0 0 ${link1_t_z}"/>
		
  </joint>  
  
 
<!-- [LINK 15] -->
  
	<link name="link_${finger_num*4+3}">	
    
    	<visual>
      		<geometry>
      				<mesh filename="package://allegro_hand_description/meshes/link_15.0.STL" />            
        	</geometry>
      
    	<material name="black">
    	</material>
    	</visual>  
    
    	<collision>
			<geometry>
		    	<box size="${links_x} ${links_y} ${link3_t_z-fingerTip_r}"/>
		  	</geometry>
		  	<origin rpy="0 0 0" xyz="0 0 ${(link3_t_z-fingerTip_r)/2}"/>
    	</collision>  
         
	</link>
  
	<joint name="joint_${finger_num*4+3}" type="revolute">
    	<axis xyz="0 1 0"/>
     	<limit effort="0" velocity="0" lower="${limit_3_t_low+joint_safety_margin}" upper="${limit_3_t_up-joint_safety_margin}" />
    	<parent link="link_${finger_num*4+2}"/>
    	<child link="link_${finger_num*4+3}"/>
    	<origin xyz="0 0 ${link2_t_z}"/>
	</joint>      
    
<!-- [FINGER TIP] -->
  
	<link name="link_${finger_num*4+3}_tip">	
		<visual>
			<geometry>
		  		<mesh filename="package://allegro_hand_description/meshes/link_15.0_tip.STL" /> 
		  	</geometry>
		  
		  	<material name="white">
		  		<color rgba=".9 .9 .9 1"/>
		  	</material>
    	</visual>   
    
    	<collision>
      		<geometry>
        		<sphere radius="${fingerTip_r}"/>
      		</geometry>
      		<origin rpy="0 0 0" xyz="0 0 0"/>
    	</collision>  
        
	</link>
  
  	<joint name="joint_${finger_num*4+3}_tip" type="fixed">
    	<parent link="link_${finger_num*4+3}"/>
    	<child link="link_${finger_num*4+3}_tip"/>
    	<origin rpy="0 0 0" xyz="0 0 ${link3_t_z-fingerTip_r}"/> <!--0.0267000000000005-->
  	</joint>   
  
</xacro:macro>

<!-- END THUMB MACRO -->











<!-- THREE FINGER MACRO -->
<xacro:macro name="finger" params="finger_num offset_origin_x offset_origin_y offset_origin_z finger_angle_r">

<!-- [LINK 0, 4, 8] -->
  
	<link name="link_${finger_num*4+0}">	
    	<visual>
    		<geometry>
      			<mesh filename="package://allegro_hand_description/meshes/link_0.0.STL" />
      		</geometry>
      		<material name="black"/>
    	</visual> 
    
    	<collision>
      		<geometry>
        		<box size="${links_x} ${links_y} ${link0_z}"/>
      		</geometry>
      		<origin rpy="0 0 0" xyz="0 0 ${link0_z/2}"/>
    	</collision>   
          
	</link>
  
  	<joint name="joint_${finger_num*4+0}" type="revolute">
    	<axis xyz="0 0 1"/>
    	<limit effort="0" velocity="0" lower="${limit_0_low+joint_safety_margin}" upper="${limit_0_up-joint_safety_margin}" />
    	<parent link="base_link"/>
    	<child link="link_${finger_num*4+0}"/>
    	<origin rpy="${finger_angle_r} 0 0" xyz="${offset_origin_x} ${offset_origin_y} ${offset_origin_z}"/>
  	</joint>
  
  
<!-- [LINK 1, 5, 9] -->
  
	<link name="link_${finger_num*4+1}">	
    	<visual>
      		<geometry>
      			<mesh filename="package://allegro_hand_description/meshes/link_1.0.STL" />
      		</geometry>
      		<material name="black"/>
    	</visual>   
    
    	<collision>
      		<geometry>
        		<box size="${links_x} ${links_y} ${link1_z}"/>
      		</geometry>
	  		<origin rpy="0 0 0" xyz="0 0 ${link1_z/2}"/>
    	</collision>  
        
  	</link>
  
  	<joint name="joint_${finger_num*4+1}" type="revolute">
  		<limit effort="0" velocity="0" lower="${limit_1_low+joint_safety_margin}" upper="${limit_1_up-joint_safety_margin}" />
    	<axis xyz="0 1 0"/>
    	<parent link="link_${finger_num*4+0}"/>
    	<child link="link_${finger_num*4+1}"/>
    	<origin xyz="0 0 ${link0_z}"/>
  	</joint>  


<!-- [LINK 2, 6, 10]-->
  
	<link name="link_${finger_num*4+2}">	
    	<visual>
      		<geometry>
      			<mesh filename="package://allegro_hand_description/meshes/link_2.0.STL" />
      		</geometry>
      		<material name="black"/>
    	</visual>  
    
    	<collision>
      		<geometry>
        		<box size="${links_x} ${links_y} ${link2_z}"/>
      		</geometry>
      		<origin rpy="0 0 0" xyz="0 0 ${link2_z/2}"/>     
    	</collision>   
         
  	</link>
  
  	<joint name="joint_${finger_num*4+2}" type="revolute">
    	<axis xyz="0 1 0"/>
    	<limit effort="0" velocity="0" lower="${limit_2_low+joint_safety_margin}" upper="${limit_2_up-joint_safety_margin}" />
    	<parent link="link_${finger_num*4+1}"/>
    	<child link="link_${finger_num*4+2}"/>
    	<origin xyz="0 0 ${link1_z}"/>
  	</joint>  
  
 
<!-- [LINK 3, 7, 11] -->
  
	<link name="link_${finger_num*4+3}">	
    	<visual>
      		<geometry>
      			<mesh filename="package://allegro_hand_description/meshes/link_3.0.STL" />
        	</geometry>
      		<material name="black"/>
    	</visual>   
    
    	<collision>
      		<geometry>
        		<box size="${links_x} ${links_y} ${link3_z-fingerTip_r}"/>
      		</geometry>
      		<origin rpy="0 0 0" xyz="0 0 ${(link3_z-fingerTip_r)/2}"/>
    	</collision>   
  	</link>
  		
  	<joint name="joint_${finger_num*4+3}" type="revolute">
    	<axis xyz="0 1 0"/>
    	<limit effort="0" velocity="0" lower="${limit_3_low+joint_safety_margin}" upper="${limit_3_up-joint_safety_margin}" />
    	<parent link="link_${finger_num*4+2}"/>
    	<child link="link_${finger_num*4+3}"/>
    	<origin xyz="0 0 ${link2_z}"/>
  	</joint>      
    
<!-- [FINGER TIP] -->
  
	<link name="link_${finger_num*4+3}_tip">	
   		<visual>
      		<geometry>
      			<mesh filename="package://allegro_hand_description/meshes/link_3.0_tip.STL" />
        	</geometry>
		  	<material name="white">
        		<color rgba=".9 .9 .9 1"/>
      		</material>
    	</visual>  
    
     	<collision>
      		<geometry>
      			<sphere radius="${fingerTip_r}"/>
      		</geometry>
    	</collision>     
    
     
  		</link>
  	 		<joint name="joint_${finger_num*4+3}_tip" type="fixed">
    		<parent link="link_${finger_num*4+3}"/>
    		<child link="link_${finger_num*4+3}_tip"/>
    		<origin rpy="0 0 0" xyz="0 0 ${link3_z-fingerTip_r}"/>
  		</joint>   
  
</xacro:macro>
<!-- [[END]] THREE FINGER MACRO -->

    
</robot>