ResetMargin¶
这是ResetMargin应用程序
描述¶
此应用程序类似于 提取ROI 从这个意义上说，它提取了一个感兴趣的区域。但是，ROI之外的区域不会被修剪，而是设置为0。
过滤器将索引和索引>=阈值.y的行设置为0。过滤器将索引的列和索引>=阈值的列设置为0
参数¶
Input image -in image Mandatory
Scalar Input image
Output Image -out image [dtype] Mandatory
Scalar Output image
阈值组¶
Top line index threshold -threshold.y.start int Default value: 0
Top line index threshold
Bottom line index threshold -threshold.y.end int Default value: 0
Bottom line index threshold
Column index threshold -threshold.x int Default value: 0
Column index threshold
ROI组¶
包含ROI的索引和大小
X start index -roi.startx int Default value: 0
X position of ROI start (in pixels)
Y start index -roi.starty int Default value: 0
Y position of ROI start (in pixels)
X size -roi.sizex int Default value: 0
X size of ROI (in pixels)
Y size -roi.sizey int Default value: 0
Y size of ROI (in pixels)
页边距组¶
包含用于定义ROI的页边距
Top margin -margin.top int Default value: 0
Top margin for ROI (in pixels)
Bottom margin -margin.bottom int Default value: 0
Bottom margin for ROI (in pixels)
Left margin -margin.left int Default value: 0
Left margin for ROI (in pixels)
Right margin -margin.right int Default value: 0
Right margin for ROI (in pixels)
Region mode -mode [roi|margin|threshold] Default value: roi
- Pixel region with start and size
- Pixel region with top / bottom / left / right.
- Threshold for X, Y top and bottom (DEPRECATED)
Padding fill value -fillval float Default value: 0
Value to insert in margins
Available RAM (MB) -ram int Default value: 256
Available memory for processing (in MB).
实例¶
从命令行执行以下操作：
otbcli_ResetMargin -in ResetMarginInput100x100.tiff -mode roi -roi.startx 10 -roi.starty 10 -roi.sizex 50 -roi.sizey 25 -out ResetMargin.tiff
来自Python的评论：
import otbApplication
app = otbApplication.Registry.CreateApplication("ResetMargin")
app.SetParameterString("in", "ResetMarginInput100x100.tiff")
app.SetParameterString("mode","roi")
app.SetParameterInt("roi.startx", 10)
app.SetParameterInt("roi.starty", 10)
app.SetParameterInt("roi.sizex", 50)
app.SetParameterInt("roi.sizey", 25)
app.SetParameterString("out", "ResetMargin.tiff")
app.ExecuteAndWriteOutput()
局限性¶
此应用程序仅适用于标量(和复杂)图像。