randomthresholdhttps://api.pixlab.io/randomthreshold
Description
Changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.
HTTP Methods
GET, POST
Request Parameters
Required
Fields | Type | Description |
---|---|---|
img | URL | Input image URL. If you want to upload your image directly from your app, then submit a multipart/form-data POST request. |
low | Float | The low point. |
high | Float | The high point. |
key | String | Your PixLab API Key. You can also embed your key in the WWW-Authenticate: HTTP header and omit this parameter if you want to. |
Optional
Fields | Type | Description |
---|---|---|
blob | Boolean | By default, this command return a JSON object holding the link to the image output. But, if this parameter is set to true then the image binary contents is returned instead. |
channel | Integer | Optionally, provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel type constants using bitwise operators. |
POST Request Body (If you plan to use POST instead of a simple GET request)
Allowed Content-Type:
multipart/form-data
application/json
Use multipart/form-data if you want to upload your image directly (refer to the sample set for a working example). If you are using JSON, then your image must be already uploaded somewhere. Call store if you want to upload an image for example before invoking this endpoint.
Channels Constant
Fields | Value |
---|---|
CHANNEL_RED | 1 |
CHANNEL_GRAY | 1 |
CHANNEL_CYAN | 1 |
CHANNEL_GREEN | 2 |
CHANNEL_MAGENTA | 2 |
CHANNEL_BLUE | 4 |
CHANNEL_YELLOW | 4 |
CHANNEL_ALPHA | 8 |
CHANNEL_OPACITY | 8 |
CHANNEL_MATTE | 8 |
CHANNEL_BLACK | 32 |
CHANNEL_INDEX | 32 |
CHANNEL_ALL | 134217727 |
Response
application/json if the optional blob parameter is not set.
This command return a JSON object after each call only if the optional blob parameter is not set. Otherwise the image binary contents is returned instead. The following are the JSON fields returned in response body:
Fields | Type | Description |
---|---|---|
status | Integer | Status code 200 indicates success, any other code indicates failure. |
link | URL | Link to the image output which is usually stored on the pixlab.xyz storage server unless you set your own S3 keys (refer to your dashboard on how to do that). |
id | String | Unique image ID. |
error | String | Error message if status != 200. |
Python Example
# Refer to https://github.com/symisc/pixlab for the full list of production ready code samples...
See Also
quantize, raise, gray, rotate, roll, roundcorners, setorientation, shadow, sepia, transverse, transpose, reverse, reflect, mirror