On the Menu bar, click Process > Processing Options… , the Processing Options pop-up appears. Click 2. Point Cloud and Mesh . This window allows the user to change the processing options and desired outputs for the 3D Textured Mesh of step 2. Point Cloud and Mesh . This tab contains 3 sections:
Generation: Allows the user to select the generation of the 3D Textured Mesh.
Settings: Allows the user to select parameters concerning the generation of the 3D Textured Mesh.
Export: Allows the user to select the desired output formats for the 3D Textured Mesh.
In the Settings tab you can select the Custom setting and change the Texture size to the desired one: 4096 x 4096
This parameter is used to define the resolution of the texture of the 3D Textured Mesh, affecting the pixel size.
Have in mind thet the higher the parameters selected the longer the processing time. Using high definition parameters have more visual impact when zooming in and visualizing the model from close. You can find more information here.