---
title: Class: DbRasterImage
source: https://vjmap.com/doc/Class_DbRasterImage.html
---

# Class: DbRasterImage

[default](#modulesdefaultmd).DbRasterImage

`DbRasterImage` 栅格图像实体.

### Hierarchy

- [*DbEntity*](#classesdefaultdbentitymd)

  ↳ **DbRasterImage**

  ↳↳ [*DbWipeout*](#classesdefaultdbwipeoutmd)

  ↳↳ [*DbWipeout*](#classesdbwipeoutmd)

### Table of contents

#### Constructors

- [constructor](#constructor)

#### Properties

- [alpha](#alpha)
- [brightness](#brightness)
- [cloneFromDb](#clonefromdb)
- [cloneObjectId](#cloneobjectid)
- [color](#color)
- [colorIndex](#colorindex)
- [heightRatio](#heightratio)
- [imageDisplayOptClip](#imagedisplayoptclip)
- [imageDisplayOptShow](#imagedisplayoptshow)
- [imageDisplayOptShowUnAligned](#imagedisplayoptshowunaligned)
- [imageDisplayOptTransparent](#imagedisplayopttransparent)
- [layer](#layer)
- [lineWidth](#linewidth)
- [linetype](#linetype)
- [linetypeScale](#linetypescale)
- [matrix](#matrix)
- [pixelHeight](#pixelheight)
- [pixelWidth](#pixelwidth)
- [position](#position)
- [sourceHttpUrl](#sourcehttpurl)
- [typename](#typename)
- [units](#units)
- [visibility](#visibility)
- [widthRatio](#widthratio)
- [xPelsPerUnit](#xpelsperunit)
- [xdata](#xdata)
- [yPelsPerUnit](#ypelsperunit)

### Constructors

#### constructor

\+ **new DbRasterImage**(`prop?`: [*IDbRasterImage*](#interfacesdefaultidbrasterimagemd)): [*DbRasterImage*](#classesdefaultdbrasterimagemd)

构造函数

##### Parameters

| Name | Type | Default value |
| :------ | :------ | :------ |
| `prop` | [*IDbRasterImage*](#interfacesdefaultidbrasterimagemd) | {} |

**Returns:** [*DbRasterImage*](#classesdefaultdbrasterimagemd)

Overrides: [DbEntity](#classesdefaultdbentitymd)

### Properties

#### alpha

• `Optional` **alpha**: *number*

透明度. [0-255][0完全透明,255完全不透明]

Inherited from: [DbEntity](#classesdefaultdbentitymd).[alpha](#alpha)

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#### brightness

• `Optional` **brightness**: *number*

明亮度 [0.0 .. 100.0]

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#### cloneFromDb

• `Optional` **cloneFromDb**: *string*

克隆的实体ID来源的图形，如为空，则取DbDocument中from的图形。也可以指定另外的图形

Inherited from: [DbEntity](#classesdefaultdbentitymd).[cloneFromDb](#clonefromdb)

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#### cloneObjectId

• `Optional` **cloneObjectId**: *string*

克隆的实体ID，DbDocument有from图形来源字段时有效.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[cloneObjectId](#cloneobjectid)

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#### color

• `Optional` **color**: *number*

颜色.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[color](#color)

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#### colorIndex

• `Optional` **colorIndex**: *number*

颜色索引. 0 随块. 1 Red.  2 Yellow. 3   Green.  4 Cyan.  5  Blue. 6   Magenta. 256 表示随层

Inherited from: [DbEntity](#classesdefaultdbentitymd).[colorIndex](#colorindex)

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#### heightRatio

• `Optional` **heightRatio**: *number*

高比例..

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#### imageDisplayOptClip

• `Optional` **imageDisplayOptClip**: *boolean*

是否裁剪.

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#### imageDisplayOptShow

• `Optional` **imageDisplayOptShow**: *boolean*

是否显示.

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#### imageDisplayOptShowUnAligned

• `Optional` **imageDisplayOptShowUnAligned**: *boolean*

是否对齐.

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#### imageDisplayOptTransparent

• `Optional` **imageDisplayOptTransparent**: *boolean*

是否透明.

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#### layer

• `Optional` **layer**: *string*

图层.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[layer](#layer)

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#### lineWidth

• `Optional` **lineWidth**: *number*

线宽.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[lineWidth](#linewidth)

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#### linetype

• `Optional` **linetype**: *string*

线型.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[linetype](#linetype)

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#### linetypeScale

• `Optional` **linetypeScale**: *number*

线型比例.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[linetypeScale](#linetypescale)

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#### matrix

• `Optional` **matrix**: [*IDbMatrixOp*](#interfacesdefaultidbmatrixopmd)[]

矩阵.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[matrix](#matrix)

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#### pixelHeight

• `Optional` **pixelHeight**: *number*

源图片高.

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#### pixelWidth

• `Optional` **pixelWidth**: *number*

源图片宽.

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#### position

• `Optional` **position**: [*number*, *number*, *undefined* \| *number*]

位置.

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#### sourceHttpUrl

• `Optional` **sourceHttpUrl**: *string*

图片url地址.

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#### typename

• `Optional` **typename**: *string*

类型.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[typename](#typename)

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#### units

• `Optional` **units**: [*kNone*](#knone) \| [*kMillimeter*](#kmillimeter) \| [*kCentimeter*](#kcentimeter) \| [*kMeter*](#kmeter) \| [*kKilometer*](#kkilometer) \| [*kInch*](#kinch) \| [*kFoot*](#kfoot) \| [*kYard*](#kyard) \| [*kMile*](#kmile) \| [*kMicroinches*](#kmicroinches) \| [*kMils*](#kmils) \| [*kAngstroms*](#kangstroms) \| [*kNanometers*](#knanometers) \| [*kMicrons*](#kmicrons) \| [*kDecimeters*](#kdecimeters) \| [*kDekameters*](#kdekameters) \| [*kHectometers*](#khectometers) \| [*kGigameters*](#kgigameters) \| [*kAstronomical*](#kastronomical) \| [*kLightYears*](#klightyears) \| [*kParsecs*](#kparsecs)

单位.

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#### visibility

• `Optional` **visibility**: *boolean*

可见.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[visibility](#visibility)

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#### widthRatio

• `Optional` **widthRatio**: *number*

宽比例.

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#### xPelsPerUnit

• `Optional` **xPelsPerUnit**: *number*

x轴每像素代表长度.

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#### xdata

• `Optional` **xdata**: *string*

扩展数据.

Inherited from: [DbEntity](#classesdefaultdbentitymd).[xdata](#xdata)

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#### yPelsPerUnit

• `Optional` **yPelsPerUnit**: *number*

y轴每像素代表长度.


<a name="classesdefaultdbrotateddimensionmd"></a>

[vjmap](#readmemd) / [Exports](#modulesmd) / [default](#modulesdefaultmd) / DbRotatedDimension