Difference between revisions of "Image Module/zh"

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The image module manages different types of [http://en.wikipedia.org/wiki/Raster_graphics bitmap images], and lets you open them in FreeCAD.
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[[Image:Workbench_Image.svg|64px]]
  
Currently, the module lets you open .bmp, .jpg, .png and .xpm file formats in a separate viewer window.
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== Introduction ==
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{{TOCright}}
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The [[Image Workbench]] manages different types of [[bitmap]] images, and allows you to open them in FreeCAD.
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Currently, the module supports opening BMP, JPG, PNG, and XPM file formats.
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== Tools ==
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* [[Image:Image-import.svg|32px]] [[Image_Open|Open]]: open an image on a new viewport.
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* [[Image:Image-import-to-plane.svg|32px]] [[Image_CreateImagePlane|Import to plane]]: import an image to a plane in the 3D view.
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* [[Image:Image-scale.svg|32px]] [[Image_Scaling|Scaling]]: scale an image imported to a plane.
  
 
== Features ==
 
== Features ==
  
* The image workbench also allows you to import an image on a plane in the 3D-space of FreeCAD with [[Image_Import|Image Import]], the second button of the image workbench.
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* Like a [[Sketcher Workbench|Sketch]], an imported image can be attached to one of the main planes XY, XZ, or YZ, and given a positive or negative offset.
* The imported image can be attached like a sketch to one of the main three planes (XY/XZ/YZ) with positive or negative offset.
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* The image is imported with relation of 1 pixel to 1 millimeter.
* This function is only available if you have opened a FreeCAD document.
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* The recommendation is to have the imported image at a reasonable resolution.
* The image can be moved in 3D-space by editing the placement in the [[Property editor|Property editor]].
 
* The major use is tracing over the image, in order to generate a new part while using the image as a template.
 
* The image is imported with 1 pixel = 1mm.
 
  * The recommendation is to have the imported image at a reasonable resolution.
 
* The image can be scaled by editing the "XSize" and "YSize" values in the [[Property editor|Property editor]].
 
* The image can be moved by editing the X/Y/Z-values in the [[Property editor|Property editor]].
 
* The image can be rotated around any axis by using the [[Property editor|Property editor]].
 
  
'''Tip:'''<br />
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== Workflow ==
Tracing with sketcher elements over an image works best if the image has a small (negative) offset to the sketch plane.
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A major use of this workbench is tracing over the image, with the [[Draft Workbench|Draft]] or [[Sketcher Workbench|Sketcher]] tools, in order to generate a solid body based on the contours of the image.
<br />
 
You can set an offset of -0,1 mm at import or later by editing the placement of the image.
 
  
'''Tools'''
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Tracing over an image works best if the image has a small negative offset, for example, -0.1 mm, from the working plane. This means that the image will be slightly behind the plane where you draw your 2D geometry, so you won't draw on the image itself.
  
[[File:Image_Import.png|32px]] [[Image_Import|Image Import]]
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The offset of the image can be set during import, or changed later through its properties.
  
 
{{docnav|Raytracing Module|Draft Module}}
 
{{docnav|Raytracing Module|Draft Module}}
  
[[Category:User Documentation/zh]]
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{{Image Tools navi}}
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{{Userdocnavi}}
  
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[[Category:Workbenches]]
 
{{clear}}
 
{{clear}}

Revision as of 17:59, 24 December 2018

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Workbench Image.svg

Introduction

The Image Workbench manages different types of bitmap images, and allows you to open them in FreeCAD.

Currently, the module supports opening BMP, JPG, PNG, and XPM file formats.

Tools

  • Image-import.svg Open: open an image on a new viewport.
  • Image-import-to-plane.svg Import to plane: import an image to a plane in the 3D view.
  • Image-scale.svg Scaling: scale an image imported to a plane.

Features

  • Like a Sketch, an imported image can be attached to one of the main planes XY, XZ, or YZ, and given a positive or negative offset.
  • The image is imported with relation of 1 pixel to 1 millimeter.
  • The recommendation is to have the imported image at a reasonable resolution.

Workflow

A major use of this workbench is tracing over the image, with the Draft or Sketcher tools, in order to generate a solid body based on the contours of the image.

Tracing over an image works best if the image has a small negative offset, for example, -0.1 mm, from the working plane. This means that the image will be slightly behind the plane where you draw your 2D geometry, so you won't draw on the image itself.

The offset of the image can be set during import, or changed later through its properties.