ChronoWall is an all-in-one desktop wallpaper manager for Microsoft Windows
7/Vista/XP. With it, you can turn a mundane desktop into a dynamic,
ever-changing world that mimicks nature. One of the key features of
ChronoWall is the ability to view images as your wallpaper based on the time
of day and the time of year. In addition to viewing static images, you can
apply linear effects to them based on the time elapsed. You can create
unlimited groups with associated schedules, and each group can have as many
images in them as you want. Collages can also be added to wallpapers,
allowing you to view several photos at once with style. You have full
control on how you want your images displayed. ChronoWall supports images
from your computer and images from several online sources.
ChronoWall also comes with several images that were kindly
provided by Ryan Bliss of digitalblasphemy.com.
Head over to his website to check out the rest of his awesome
- Microsoft Windows 7/Vista/XP
- Memory: 1 GB recommended
- Hard Drive: At least 5GB for the resample cache, several GB more if using online sources
- CPU: At least a dual-core CPU is recommended
- Screen resolution: Minimum of 1024x768. Neither the width nor the height can be smaller than these dimensions.
- Video Card: For desktop transitions, you must have a hardware GPU that supports Direct3D 9.0c at a minimum
Installing, Running and Upgrading
To install ChronoWall, double-click the Windows Installer package to start
the installation process. You will be presented with a welcome screen. You
can use the back/next navigation buttons to navigate throughout the
installation steps. The second screen will show the EULA. Please read over
this document carefully. You must accept the terms and conditions of the
EULA to continue. Once you have accepted the agreement, you can pick an
installation folder. For best results, it is recommended that ChronoWall be
installed in a local drive or folder. After reviewing everything, click
next to complete the installation process.
If you are unable to install the software for some reason, you can request
help in the Support section of this website.
After the installation process has finished, you can launch ChronoWall from
your start menu. Navigate to Start -> All Programs -> ChronoWall and click ChronoWall (with the blue clock icon) to launch the
When you launch ChronoWall for the first time, you will see the main
interface. If for some reason you don't see anything after launching it,
check your system tray for the ChronoWall icon and double-click it to
open the main window. ChronoWall only shows it's main interface upon startup
the first time you launch it. For subsequent lauches, the program will
launch silently in your system tray.
In order for ChronoWall to accurately calculate the time of day and time of
year, you will need to set your latitude and longitude. Click the Settings button (it looks like a gear at the top of the
main interface) and follow the instructions for setting your location.
If you have purchased the product, you need to enter your serial
key. ChronoWall will work without a serial key for 30 days after you install
it for the first time.
Controlling ChronoWall's auto-start behavior
By default, ChronoWall is placed in your Startup folder and will launch
every time you log onto your computer. If you do not want this behavior,
you can right-click ChronoWall's shortcut under the Startup folder and
If you decide you want to restore ChronoWall's auto-start behavior after
deleting its shortcut from the Startup folder, open the Start menu,
right-click All Programs and select Open All Users. Then, navigate to Programs -> ChronoWall
and copy the program's shortcut to the Startup folder.
Upgrading from a Previous Installation
To upgrade ChronoWall, download the latest version and install it
over the existing version. You do not need to uninstall the old
The top of the interface, called the header, shows the following
icons: Home, Search, RSS and
Settings. Clicking on each of them
will show the appropriate view.
Wallpaper Groups List
On the left of the interface, you can see all of the
wallpaper groups. These wallpaper groups contain all the images and
that ChronoWall uses. This list can be sorted and filtered,
allowing you to manage these groups easier.
Home is where you can view the main status and
create wallpaper groups. This is where you will spend
most of your time in ChronoWall.
Search is where image searches from Flickr,
Google and Bing can be created, viewed and used in
RSS is where media RSS feeds can be added,
viewed and used in wallpaper groups.
Settings is where you can
change the various configuration options of ChronoWall.
Here, you can set the location, authorize to online services,
change the way collages look and much more.
The main status screen shows all the images and wallpaper groups
ChronoWall has loaded for viewing on your desktop. Here, you can get an
overview of what you should expect to see. In addition, you can perform
other tasks, such as excluding images, enabling/disabling ChronoWall and changing your wallpaper
Active Groups and Images
The Active Groups column lists the wallpaper
groups that are currently being used. These groups are sorted
alphabetically and show a short description of the daily schedule that corresponds to each group.
The Active Images column lists all the images
that ChronoWall is using. Each image shows the corresponding wallpaper group
that it is associated with. These images are sorted by group
alphabetically, followed by the type, display mode and name
The center of the main status shows all the monitors you have on your
computer, along with the backgrounds that are shown on each screen. If
there are no images loaded and/or your monitor layout has changed since the
last background switch occurred, you will see a message indicating that your
background has not been set.
From here, you can exclude a background image that you do not like by right-clicking it
on the mini view of the screen and selecting Exclude
Enabling and Disabling ChronoWall
You can enable/disable ChronoWall by clicking the Enable/Disable button. Disabling ChronoWall prevents it
from changing your wallpaper. This is useful if you are using software that
doesn't cope well with a changing desktop, but don't wish to exit ChronoWall
Changing your Wallpaper
ChronoWall normally changes your desktop automatically according to the
schedule specified. You can also change your wallpaper on-demand by
clicking Change Now. This is useful for seeing
how changes affect your desktop without having to wait for your wallpaper to
change. You can also see the wallpaper change status in real-time below
To simplify the organization of images into schedules, ChronoWall uses what
are called Wallpaper Groups. A Wallpaper Group
is a group of images that you assign a schedule and 'change
frequency' to. Each wallpaper group can be enabled/disabled at will,
allowing you to temporarily add/remove images that appear on your desktop.
In ChronoWall, every image that appears on your desktop is part of a
wallpaper group. Wallpaper groups can contain any number of images (even one or none).
You can always view the wallpaper groups on the left-hand side of the main
interface, regardless of which view you are in. This allows you to manage
wallpaper groups throughout the entire program.
Wallpaper Group Schedules
In ChronoWall, wallpaper groups can be associated with schedules that indicate
both the time of the year and the time of the day, depending on the group's
groups can have their type set to Schedule or
If a wallpaper group has its type set to Schedule, images from that group will appear on your
desktop if the time of the day and the time of the year is during its
Wallpaper groups that have their type set to
On-demand do not have a schedule — rather,
images from them always appear when they are enabled. This section does
not apply to those groups.
Editing a Wallpaper Group's Schedule
If you are creating a new wallpaper group, the group's schedule will
automatically be shown underneath the group's images. If you are editing a
group, click Edit Schedule (underneath the
group's images) to show the schedule. You can then set the time of the year
and time of the day.
Times of the year can be the following:
To view images in this wallpaper group every day, select every day next to Show these
images in the Dates of Appearance section
of the group's schedule settings. To see these images during specific
times of the year, select during the following times of
the year and set the appropriate selections next to Beginning at and and ending
If using a season for the beginning/ending time and a date for the other, be
sure to take into account your latitude.
Times of the day can be the following:
Sun position (shown in the order of occurance)
- Dawn (Astronomical) Sun is 18 degrees below the horizon, sky is still dark, lightest stars may not be visible - twilight begins
- Dawn (Nautical) Sun is 12 degrees below the horizon, objects slightly discernable in ideal conditions
- Dawn Sun is 6 degrees below the horizon, sky is slightly light - twilight ends
- Sunrise Sun is right above the horizon
- Mid-morning halfway between Sunrise and Noon
- Noon halfway between Sunrise and Sunset - the middle of the day
- Mid-afternoon halfway between Noon and Sunset
- Sunset Sun is right at the horizon
- Dusk Sun is 6 degrees below the horizon, sky is still slightly light - twilight begins
- Dusk (Nautical) Sun is 12 degrees below the horizon, objects slightly discernable in ideal conditions
- Dusk (Astronomical) Sun is 18 degrees below the horizon, sky is completely dark, lightest stars become visible - twilight ends
- Night (First Quarter)* halfway between Sunset and Midnight
- Midnight halfway between Sunset and Sunrise - the middle of the night
- Night (Last Quarter)* halfway between Midnight and Sunrise - the last quarter of the night
- *Note that ChronoWall's Night 'First Quarter' and Night 'Last Quarter' labels coincide with the nomenclature of moon phases - there is no official name for these times of the night
- 24 hours
To view images in this wallpaper group 24-hours a day, select 24 hours next to Show these
images in the Times of Appearance section
of the group's schedule settings. To see these images during specific times
of the day, select during the following times of the
day and set the appropriate selections next to Beginning at and and ending
If using a sun position for the beginning/ending time and a time for the
other, be sure to take into account your location, offsets, the time of the
year and daylight savings time, or you might get undesirable results.
Sun Position Offsets
For sun positions, you can add an Offset to it if
you want to specify a time such as '1 hour before sunset'.
Notes on Sun Positions
'Noon' and 'Midnight' sun positions rarely coincide to 12:00 PM and 12:00 AM
— these are Solar Noon and Solar Midnight. During daylight savings
time, Noon and Midnight may be as late as 1:30 PM / 1:30 AM.
When using sun positions, think of 'how it will appear outside', rather than
attempting to translate them to an actual time.
Creating and Editing Wallpaper Groups
If you have not read the Wallpaper Groups section,
please do so before proceeding with this section.
If you have not read the Schedules section, please do so before proceeding
with this section.
Creating Wallpaper Groups
To create a wallpaper group, from the Home view, click the New button on the upper-left corner of the
window. In the new screen, you will see fields for the
wallpaper group name, type, whether the group is enabled, change
frequency, a place to add images, the schedule, and the
Discard/Add buttons. Any of the fields can be set in any order.
Here, you can specify a name for this wallpaper
group. This name will appear in the list on the
left of the main window so you can easily identify
this group later on. If you already know what you
are creating this group for, you can give it a name
now. Otherwise, you can leave this field blank and
come back to it later. Each wallpaper group must
have a unique name. If you leave this field empty or
enter a duplicate name when creating a group, a
unique name will be created for it when the Add
button is clicked.
You can specify this wallpaper group as a Schedule or an On-demand group. The Schedule type is a wallpaper
group that has a time of the year and time of the
day associated with it. An
On-demand wallpaper group
does not have a schedule; rather, its images only
appear when it that group is enabled — and when
it is enabled, those images appears every day of the
year, 24 hours a day.
On-demand groups and Schedule groups that appear 24 hours a day, every
day of the year are functionally identical. However, On-demand groups
are labelled differently and always appear at the top of the wallpaper
When checked, this wallpaper group is active and its images will
appear during its schedule, or always if it is on-demand.
This indicates how often ChronoWall will change your wallpaper.
Each group has its own change frequency. When multiple groups
are active that have different change frequencies, the value
with the shortest time period is used. If all wallpaper groups
have a 'never' change frequency and there is more than one image
available, ChronoWall will change your wallpaper every 3
Please see the Images
Please see the Schedules section
When you are finished creating your new wallpaper group, click
the Add button to create it. If you
want to cancel the addition, you can click the Discard button. You will then return to the
main status view.
Notes on Empty Groups
You do not have to add any images to create a wallpaper group. After
creating an empty group, it will show up in the list of active groups during
its schedule — however, since there are no images added to it, nothing
will appear on your desktop from it. A reason for creating an empty group
might be so that you can add search image results / RSS feed images to it later.
Editing Wallpaper Groups
To edit a wallpaper group, double-click a group on the left-hand
list while in the Home view. If any changes to
the group are made, the Back / Save buttons will
change to Discard / Save buttons. You can then
click Save to save your changes. To cancel
your changes, click Discard. To return to the
main status view without making any changes, click Back.
Deleting Wallpaper Groups
To delete a wallpaper group, when in the Home
view while viewing the main status screen, right-click any group and
select Delete. Answer Yes to the confirmation dialog box if you really want
to delete that group. Note that this process is not undoable, so make
sure you have the right group selected.
Enabling/Disabling Wallpaper Groups
You can enable / disable a wallpaper group either by opening it up,
un-checking the Enabled checkbox, and clicking
Save, or by right-clicking it (while in the
Home view, on the main status screen) and
selecting Enable / Disable.
Images are added to wallpaper groups, which are then shown on your
desktop when that image's group's schedule is active.
There are several different types of images that you can add. They include:
- Files (.bmp, .jpg, .png)
- Photos from your friends on Facebook
Online Searches (Flickr, Google, Bing)
- RSS Feeds
Adding Files and Folders from your Computer
Images from your computer can be added to wallpaper groups in several
When adding/editing a wallpaper group, click the Add button (shown on the top-right above the
image list for an opened wallpaper group) to open a dropdown menu.
After selecting either File... or Folder..., a new dialog will open allowing you
to browse for images or folders. Select the images/folders you want
and click Open to add them.
You can drag and drop one more more files from Explorer to the list
of images in the wallpaper group that you are adding or editing.
You can add one or more files to multiple wallpaper groups
simultaneously. While dragging files from Explorer, hold down the
CTRL button during the drag operation.
When those images are dropped, a dialog will open that shows all the
available groups, sorted by date and time. You can select one or
more groups (by holding down CTRL). When you are satisfied, click
OK. To cancel the operation, click Cancel.
Adding Photos from your friends on Facebook
To add a photos from a friend on Facebook to a wallpaper group, click the
Add button above the list of images of an opened
group and select Facebook from the dropdown menu.
In the new dialog, you can select which friends you would like to see photos
Before any photos can be seen from your friends, you must first
authorize to Facebook and select
your friends to download photos from.
Adding Images from Searches
To add images from online image searches and RSS feeds, drag the respective item to the group on the left hand side while in
the either view. If you do not have any searches or RSS feeds, you must
first add them.
For example, to add an entire online search of "beaches" to view
on your wallpaper, you would first navigate to the Image
Searches view, find the "beaches" image search in the list,
start dragging it, and drop it into a wallpaper group. For more information
about Searches and RSS Feeds, please see Image Searches or RSS Feeds.
Images can be viewed in several different display modes, listed below.
List of Display Modes:
The image is placed in the center of the screen, unaltered
from its original size. Edges are cropped off the screen.
The image is stretched so that it is filled to the entire
screen. It may become distorted.
The image is repeated on the screen for which it is
displayed, starting in the upper-right corner. This mode
works well for patterns.
The image is enlarged proportionally until it fits the
screen for which it is displayed on. The picture is not
The image is enlarged proportionally until it fills the
screen for which it is displayed on. The picture may be
cropped. This is the default display mode. For
multi-monitor systems, if the image can fill more than one
screen, it is filled across all of them.
The image/images are overlayed on top of a background in a
collage-like fashion. Collages can be viewed in several
Collages are dependent on the wallpaper group for which they
are a part of. If all images in a certain wallpaper group
are set to be a collage, images from that group will be
shown in a collage over all background images that are being
shown, across all wallpaper groups. These 'collage groups'
will be indicated as such with the collage icon in the
left-hand wallpaper group list. If there is at least one image
in that group that is not a collage, those collage images will
only be shown on the background images of that specific
wallpaper group. This gives you the ability to have specific
background images used for specific collages, while at the same
time allowing you to create global collages.
For more information about customizing collages, please see
To change the display mode of one or more images in a wallpaper group,
select them, right-click them, and select the appropriate display mode from
Display in the sub-menu. The appropriate display
mode icon will be changed for the images after setting it.
You can copy one or more images from one group to another group by selecting
them and dragging them to another group on the left-hand side of the main
window. All attributes of the images being copied will be preserved, such
as the display mode and image effects. These can later be changed in the
destination group. Note that this operation is immediate and not undoable.
You can also copy images to multiple groups simultaneously.
Setting the display frequency:
To set the display frequency of one or more images, select them, right-click them and select the
appropriate item on the submenu under Frequency.
Setting image effects:
To set the image effects of a
supported image, double-click the image to launch the Image Effects GUI.
Displaying images on specific monitors:
To set the specific screens to display an image on, right-click one or more supported images and
select Display on Screens....
To delete one or more images, you can select them, right-click them and
The following operations are unique for the respective image types
(accessible from the sub-menu):
Opens the folder that contains the image. Useful for quick
Opens the folder. Useful for quick file management and
determining what files are in that image's folder directly
from ChronoWall's main window.
Selects the friends to use photos from for that image.
Image Search Results (Flickr, Google, Bing):
Visits the URL associated with that image search result.
Saves a copy of that image's file to your computer. Useful
if you want to self-manage downloaded images or copy an
image search result from one computer running ChronoWall to
RSS Feed Images:
Visits the URL associated with that RSS feed image.
Saves a copy of that image's file to your computer. Useful
if you want to self-manage downloaded images or copy an RSS
feed image from one computer running ChronoWall to another.
All images support all different display types. Only files, folders,
specific images from online searches, and specific images from RSS feeds
support image effects. Specific images are images that you have chosen from
an online search or RSS feed. Please see Image Searches or RSS Feeds for more information.
Normally, ChronoWall will view all images once, as if they were all placed
into the same folder. However, there are often times when it would be more
desirable to view certain images more or less often than normal. The Display Frequency allows you to specify how often you
would like to view an image (or a group of images) as a percentage of all
images shown. To set a display frequency, right-click an image
(or a group of them), and select Frequency ->
Percent... In the next dialog, you can enter the
percentage. If more than one image is selected, each image will have the
percentage entered (eg, if 3 images are set to 3%, each image will be shown
3% of the time - the probability of seeing any three of them will be 9%).
When setting display frequency percentages, think 'I want to see this image
X percent of the time'. For multiple images, each individual image will be
seen 'X percent of the time'.
ChronoWall has the ability to display any image on one or more specific
monitors. By default, an image will appear on all available monitors. To
restrict showing one or more images to specific monitors, right-click one
or more selected images and click Display on
Screens... to open the screen selection dialog. In this new dialog,
you will be presented with a layout of your virtual screen. To specify the
screens to display the image on, click the monitors to select
them. Selected monitors appear darker. When you are finished, click
OK to close the dialog.
Only images that are not collages can have their screens specified.
To display a collage on a specific monitor, add an image with the collage
mode set to a group that contains background images restricted to one or
Managing Images in Multiple Groups
Adding and Copying Images to Multiple Groups
If you want to add or copy one or more images to multiple groups, you can do
so by holding down the CTRL button during the
drag operation. When the image is dropped, you will be presented with a new
dialog that lists all the groups, sorted by date. In this new dialog, hold
down the CTRL button to select them. When you
have finished selecting groups, click OK. To
cancel the operation, click Cancel.
Deleting Images from Multiple Groups
To delete one or more images from multiple groups, right-click the
selected images of an opened wallpaper group while holding down the CTRL button. This will show an alternate context menu.
Click Delete from groups... (or Delete from all groups... if there is more than one
If you are deleting one image from multiple groups, a new dialog will open
that lists all the groups that image is a part of. Select the groups you
wish to delete this image from by holding down the CTRL button and clicking them. Click OK. To cancel the operation, click Cancel.
When deleting multiple images from multiple groups, you can only delete all
of them from all wallpaper groups. You will be presented with a dialog that
confirms the deletion of all of these images. Click Yes to remove them.
These operations are not undoable.
ChronoWall allows you to apply effects to images that change
their appearance based on time. The result is a realistic
experience that allows you to see your photos like never before.
What are Image Effects?
Image effects are a list of "adjustment layers" that are
composed of "time gradients". Time gradients have "endpoints"
that specify effect parameters (depending on the effect being
used). Any point between two endpoints of a time gradient will
be a linear combination of the parameters specified at each
The time period for which image effects are based
on can either be the time of the day for the group
the image is a part of, the duration for which the
image is displayed or a user-defined duration.
If the latter two are chosen, the image will change
in real-time on your desktop.
For example, one might define a "Hue shift" adjustment layer
with two endpoints: one at noon and one at sunset. The 'degree
shift' for the endpoint at sunset would have a certain negative
value (to indicate a red hue shift), while the endpoint at noon
would have a degree shift of zero (for no change). For any time
between noon and sunset, the degree shift would be a value
between zero and the negative value specified at sunset —
linearly dependent on the distance between noon and sunset.
Image Effects GUI
The image effects GUI shows a list of image adjustment layers
with the time slider on the left and the image preview on the
right. The image preview allows you to see how the adjustment
layers change the image in real-time.
You can add, edit and remove image adjustment layers to change
the image's appearance to your liking. In addition to editing
layers, you can use the time slider to see how a list of effects
change an image's appearance at a specific point in time.
To see how an image looks based on the percentage of time elapsed for the
group this image is a part of, you can drag the time slider. Ticks are
placed every 25% to help guide you. There is also a vertical line that
can be used to place endpoints when creating an adjustment layer.
You can also choose the time period for this image effect by clicking on
the left dropdown above the time slider:
Time of day: The time will be based on the image's
group's schedule. The effects will change slowly
throughout the day.
Image Changes: The time will be based on how long this
image is displayed on your desktop. The effects will
change constantly on your desktop.
Specified: The time specified dictates the duration of
the timeline. Just like "Image Changes", the effects
will change constantly on your desktop. Furthermore,
you can specify the behavior when the timeline lapses.
"Forward" indicates the timeline will reset to "0"
after the specified amount of time passes. "Circular"
specifies that the timeline will begin to play
backwards after the amount of time has passed.
Note that real-time image effects can be GPU intensive
if many different layers are added. When using real-time
image effects, it is best to stick to a few layers at the
Image Adjustment Layers
Image Adjustment Layers define the effects that are applied to
images. Each image adjustment layer can optionally contain
endpoints — layers with endpoints change with time while
those without them remain the same regardless of the amount of
Image Adjustment Layer Types and Parameters:
Shifts the hue of every color in the image by an
Positive values shift towards blue
while negative values shift towards
red. Values range from -180 to +180 degrees.
The opacity slider allows you to
keep part of the original image's
Hue (Preserve Saturation):
Shifts the hue of every color in the image by an
arbitruary degree. In this case, the perceived
lightness and saturation is kept constant. The
parameters for this effect are identical to
those of Hue.
Recolors the image. Whites are preserved. This works
by setting the hue of every pixel in the image to a specific
value. The saturation is multiplied by the color given.
The lightness is clamped to the maximum saturation perceived
by the color chosen. The result is an image that looks like
the color you choose. Black and white images cannot be
colorized by this method.
The color to colorize the image to.
The opacity slider allows you to
keep part of the original image's
Makes the image brighter/darker.
Positive values make the image brighter, while negative values make the image darker. Values range from -255 to +255.
Enhances/reduces the difference in brightness among the image.
Positive values increase the contrast, while negative decrease it. Values range from -100 to +100.
Increases/decreases the overall color of the image. There
must be some amount of color present for saturation to be
increased — this effect does not change black and
Positive values increase the saturation, while negative decrease it. Values range from -100 to +100.
Increases the perceived clarity of the image.
Positive values increase the sharpness of the
image. Values range from 0 to +100.
Sets the radius of the "circle" that
is used for applying the effect. Values range
from 0 to +255.
Red/Green/Blue Color Balance:
Adds or decreases the corresponding color channel to the image.
Positive values add the corresponding color to the image, while negative values decrease it. Values range from -100 to +100.
Applies bloom to the image. This effect enhances
the realism of light sources in images.
"Light sources" are determined by
brightness. In addition to making an image
appear more realistic, a small threshold can be
used to make the image have a
Sets the radius of the "circle" that
is used for applying the effect. Values range
from 0 to +255. Larger radii correspond to a
larger "light scattering" effect.
Sets the minimum perceived lightness
required for the effect to appear,
as a percentage. A smaller
threshold results in darker parts of
the image having the bloom effect
applied to it.
Relaxes the threshold cutoff by
using a sigmoid function for the
effect's alpha mask beyond the
threshold. This parameter specifies
the percentage of the lightness
beyond the threshold that will be
used. This is useful when applying
bloom to images that contain a sky
or other gradient. When applying
bloom to such images, an unsightly
sharp cutoff is commonly seen. You
can increase the smoothing parameter
to eliminate this artifact.
Bloom (Brightness Mask):
Applies bloom to the image, using the perceived
lightness of the image to control the amount of
the effect to use. The parameters for this
effect are identical to those of Bloom.
Adding Image Adjustment Layers
To add an image adjustment layer, click the + icon next to the Adjustments: label underneath the time
slider. A popup menu showing all the possible types of
effects will be shown. Select the type to add it to the list
of adjustment layers.
Image Adjustment Endpoints
When you add an image adjustment layer, it is created without any endpoints.
To add endpoints to a layer, right-click anywhere on the layer's gradient
and select Add Endpoint. The first time you an
endpoint to a layer, two endpoints will be created and placed at the
beginning and ending points in time. For subsequent additions, an endpoint
will be created at the mouse cursor's position.
Image Adjustment Endpoint Parameters
Each endpoint of an adjustment layer has at least one parameter that is
adjustable. These parameters are editable via the endpoints' squares that
appear above and below the adjustment layer's gradient. To determine the
parameter each square represents, you can hover the mouse cursor over the
square to see a description of the parameter. To edit a parameter,
double-click the square to edit its value. If the parameter's value is
adjustable via a slider, it will appear. You can drag the slider to change
the value of the parameter — the maximum and minimum values of the
parameter appear at the top and bottom of the slider, respectively. When
you are finished editing the value, click anywhere outside the slider to
close it. If the parameter is not editable via a slider, a dialog will open
allowing you to set its value. Currently, the only endpoint parameter that
shows a dialog is the colorization parameter.
Static Image Adjustment Layer Parameters
To set the parameters of an image adjustment layer without endpoints,
double-click anywhere in the adjustment layer's gradient to open the slider
controls. Depending on the image adjustment and the amount of parameters
available, the slider's appearance will vary. Image adjustments with a
single parameter will only show one slider that adjusts that parameter. If
there are two parameters, you will see a dual-slider with accompanying
acronymns above them. For the colorization image adjustment, you will see a
special slider that has an opacity slider with a color block above it.
Double-click the color block to set the color.
Deleting Endpoints from Image Adjustment Layers
To delete an endpoint, right click it and select Delete. If there are only two endpoints left, all
endpoints will be deleted.
Deleting Image Adjustment Layers
To delete an adjustment layer, right click the adjustment's
gradient and select Delete.
Moving Image Adjustment Layer Endpoints
Endpoints can be moved to different points in time by dragging them along
the time axis from either the top or bottom square.
Moving Image Adjustment Layers
An entire effect layer can be moved to a different position by dragging it
from its gradient.
If there are more effects than can be shown on a single screen, you can use
the scrollbar to navigate to them.
Image Adjustment Templates
There are several pre-defined image effects available, called "Image
Adjustment Templates". Each template is tailored to a specific time range,
though you don't have to use them only for those time ranges. You can start
with an image adjustment template and tweak it, or begin from scratch. You
may also save your own image adjustment templates for later use. To access
the Image Adjustment Templates, click the down arrow next to "Image
Effects" (at the top-right of the left side panel) and select Load from Template.... To save the list of adjustments
as a new template, select Create new Template... and
specify a name.
In addition to loading and saving templates to ChronoWall's built-in list, you
can also save them as a file. To save the list of adjustments as a file, click
the down arrow next to "Image Effects" and select Save
Template.... You can then specify a filename and click
Save. To load a saved template, click the same
down arrow and select Open Template.... Navigate to
the saved XML-based template and select Open to load
it. Loading a saved template will overwrite any existing image adjustments.
Sharing Image Effects
Creating image effects in ChronoWall can be a tedius process. To make things
easier, you can share image effects you have created with everyone else by
posting them to the online Effects Gallery. Sharing an image effect
is as easy as clicking the down arrow next to "Image Effects" and selecting
Share.... To share an image effect, you must have
a valid registration key. Image effects are shared on belalf of your
password-protected online profile, which is associated with this key.
When you share an image effect, you will be presented with a dialog that shows
the five example images that are uploaded with the effect. These images
illustrate to browsers what the effect will look like. Note that the original
image that is used with this effect is NOT uploaded. Along with the images,
you must also specify the time category, date category, title and URL. The
time and date cateogories specify the time of day and time of year that are
associated with this effect. If the time of day and/or time of year are
unclear, these can be left to "Unclassified". The title can be whatever you
want - it does not necessarily have to coincide with the title of the image.
The URL is where you obtained the original image from. People browsing the
online gallery will be pointed to this URL where they can download the original
image. Most of these fields are auto-populated, depending on where this image
After making sure everything is filled out correctly, click
OK to upload the effect. If you have not specified
your password or you have recently changed it, you will be prompted for it
before the upload begins. Depending on your bandwidth, it can take a few
minutes for the upload to finish.
After the upload is complete, you will be presented with a success message and
the share dialog will close. All image effects go through an approval process
once they are submitted. It can take a few days for your effect to appear in
Online Effects Gallery
The Effects Gallery lists all of the
image effects users of ChronoWall have uploaded. You can browse all of the image
effects for all times of the day and times of the year. In addition, you can
see what an effect looks like by viewing an animation of it.
To filter image effects for specific times of the year or times of the day,
hover over the box next to Time or Year and select the appropriate item. You can also search
for an image by title/URL by specifying a phrase in the
Search box. In addition, you can also sort results by time submitted,
time of year and time of day.
When you find an effect you like, download the effect template by clicking
Download Effect Template and saving it. You can also
download the image associated with the effect by visiting the effect's original
image URL. To load the image effect in ChronoWall, add the image to a group and
open the downloaded template in the Image Effects GUI.
Image Searches allows you to use photos from Flickr, Google
and Bing on your desktop. To see and use image
searches, navigate to the Image
Searches view. From this view, you can create searches,
see their results, and use the searches/search results in
If there are any image searches added, you will see a list of
them here. The search query along with its parameters appears
on the top-left of each list item, and the search engine being
used appears on the top-right. If there are any results for a
specific search, the first 12 of them will appear in the small
Creating an Image Search
To create an image search, while in the Image Searches view looking at the list of
searches, click the New button at
the top-right of the screen, above the list. A new dialog will
appear that allows you to specify the query along with all the
parameters for the search being added. Along with the query, you
can specify the image sizes and domain (if applicable). The
Wallpapers only checkbox will limit
the search results to contain images large enough to fit your
screen (for engines that support it). The HDR images only checkbox searches for HDR
images by appending the string "HDR photos" to the search query.
HDR stands for 'high-dynamic range' - photos with this
enhancement typically look more realistic to the human eye and
contain a wider array of colors that mimick what the human eye
actually sees. Click OK to create
Immediately after creating a search, ChronoWall will perform the
query. It may take up to 1 minute for you to start seeing
search results — they will appear in real-time.
At this time, you can create up to 50 searches. This
limitation is put in place to prevent excessive queries to each
of the search engines used by ChronoWall.
Note: When using the Wallpapers only
checkbox, the size is not applicable.
Viewing Search Results
To see a larger thumbnail view of a search result's images, you
can double-click the search to open it, even while it is in
progress. This larger thumbnail view will show the images that
have been currently downloaded for this search. To navigate
back to the list of searches from this view, click the Back button on the top-right above the
thumbnails. If this search is still running when you navigate
to the thumbnail view, any new images will not show up
until you navigate back to this view again.
Viewing Search Results - Full Screen View
When in the thumbnail view of a search's images, you can view
a full-screen view of the image by double-clicking directly
on any image. In the full screen view, you will see the
image attributes at the top of the screen. The two
navigation arrows will still appear at the bottom, allowing
you to navigate throughout the results while remaining in the
full screen view. To pan around the image, click and drag
anywhere on the image. To exit the full screen view and
return to the thumbnail view, double-click anywhere on the
Using Search Results in Wallpaper Groups
To use search results in wallpaper groups, first navigate to
the thumbnail view of any search. Then, drag and drop an image
into a wallpaper group on the left-hand side. When the image
is released, it will immediately be added to the group. Used
images will appear lighter than the rest of the thumbnails
— you may need to hover over the thumbnail again to see
it appear lighter.
Using Searches in Wallpaper Groups
To use an entire search in a wallpaper group, you first need to be in the
view that shows all the image searches in a list. From this view, drag the
search from the list to any group on the left. While dragging the search,
the thumbnail for the first result will be shown with a small search icon on
the bottom-right corner of the image. When the search is released, it will
immediately be added to the group. ChronoWall will choose a random image
from this search to view on your desktop when that group is active.
Using Searches/Results in New Wallpaper Groups
There may be several times when you come across an image that you want to
use but haven't created a group for. ChronoWall simplifies this by
preserving where you are in the Image Searches view when you navigate away
from it. To add an image to a non-existant wallpaper group, click the Home icon to switch to the Home view and create the group. After
creating the group, you will see it show up (with the empty icon) in the
list on the left. You can then navigate back to the Image Searches view and drag that search result image
to the newly created group.
If you are unhappy with a search's results, you can delete it.
To delete a search and its results, you must first be in the
view that shows all the searches in a list. From this view,
right-click a search you wish to delete and select Delete. A confirmation dialog will be
shown. Answer Yes to delete this
search. Searches can be deleted in any phase — even while
the images for it are still downloading.
When deleting a search in progress, it can take up to one minute for the
downloading to stop. In addition, you cannot add a search, delete it, and
add that same exact search with the same query and parameters again until
that previous search has finished downloading.
Image searches can take a lot of bandwidth. To combat this, you
can specify the hours of the day you want to dedicate to
downloading images. This is available in the Settings view. Please see Settings for more information.
Flickr requires authorization before any results are available from that
ChronoWall can download images from media RSS feeds and display them on your
desktop. Currently, RSS 0.93 - RSS 2.0 and Atom 0.3/1.0 feeds are
Adding an RSS Feed
To add an RSS feed, you must first be in the RSS
view. After navigating to that view, obtain the RSS Feed URL. These URLs
are usually indicated by the orange RSS icon on the website that hosts the
RSS feed. After obtaining the URL, click the Add
button on the top-right of the list of RSS feeds. In the new dialog, paste
the URL into the new dialog and click OK to add
it. If the URL is a valid RSS feed and it contains media items or
enclosures, you will begin seeing images from it in the list (usually within
1 minute). An easy way to determine if a URL is valid RSS is to see if
ChronoWall obtains the RSS feed title soon after adding it.
Viewing and Using RSS Feeds and Images
RSS feeds and their associated images can be viewed/used in the same manner
search results are used. Please see Image Searches for more information.
Sample RSS Feeds
For those unfamiliar with media RSS feeds, you can start with NASA's Large Image of the Day.
To change the way ChronoWall operates, looks and feels, navigate
to the Settings view. Here, you can
set multiple options. Each setting is described in detail
In order for ChronoWall to accurately determine
the time of day, it must know your latitude and
longitude. Determining your latitude and
longitude is easy — you can determine both
by either your IP address (provided by
ip2location.com) or your residential address
(provided by Google Maps). You can click either
button in the settings view to launch the
respective web page or dialog. After obtaining
your latitude and longitude, enter both in the
respective fields. Make sure the sunrise and
sunset times are correct. If you are unsure, you
can probably verify them with your local weather
station. Any latitude and longitude point within
your zip code should be sufficient. After setting
your latitude and longitude, click the Save button on the
Note that ChronoWall
is not associated with either ip2location.com or
Google. These are both free services.
Online Services - Authorizing
In order to use Flickr and Facebook with ChronoWall, you must
first authorize to them.
To authorize a service, click Log
in... next to the respective service. A browser window
appear that will guide you though the process.
After authorization, the status will update to indicate success/failure.
Online Services - Choosing Facebook Friends
Facebook requires an extra step after authorizing - you must choose your
friends you would like ChronoWall to download images from. Several people
have hundreds of friends, and downloading images from them all would cause
issues with Facebook's API. To choose your friends, click the Friends button next to the Facebook icon. Then, drag
the user(s) to the Selected friends column.
Click OK to save your changes. You can download
photos from up to 100 friends.
Online Services - Notes on Facebook
Even if a user on Facebook has photos, he or she may have blocked access to
them them from applications. There is nothing ChronoWall can do to download
those images, short of that user enabling applications to access them. In
addition, if a user has blocked access to the Facebook application platform
completely, he or she will not show up on your list of friends - even though
that user shows up as one of your friends on Facebook's website. ChronoWall
will never support 'scraping' data from Facebook, so please do not ask.
Online Services - Privacy
ChronoWall does not collect or transmit any information from
you. Please see the Privacy
Policy for more information.
No Draw Zones
No draw zones are rectangles that define areas of the screen where you do
not want collage images to appear. Common areas would include areas where
icons or gadgets are placed. To create a no draw zone, click No draw zones to open the 'No draw zone' GUI. In this
new window, draw rectangles with your mouse to indicate where you want no
draw zones to be placed. You can also right-click and delete a no draw zone
rectangle to delete it.
When you are finished, double click anywhere on the screen to close the 'No
draw zone' GUI. To save your no draw zone arrangement, you must click the
Save button on the bottom right of ChronoWall's
main window after closing the 'No draw zone' GUI. This extra step
exists so that you can cancel your changes if you wish. To cancel your
changes, navigate to another view without clicking Save.
Collages can be displayed in several different styles and arrangements.
This dialog allows you to specify them all.
The first three parameters tell ChronoWall how to arrange your images. The
entire system is based on percent area coverage. The canvas area represents
one screen - if you have multiple monitors, you will have multiple canvases
— each of these canvases would then represent each respective monitor,
and these settings will apply to all such canvases.
The rest of the dialog changes the way collages look. There are several
different border styles available, and several of them support custom fonts
To save the collage options, click OK. To see
the results of these settings immediately, ensure that an image with the
collage display mode is active and click Change
Now to set your wallpaper.
Sometimes, you will come across an image that you would rather not see on
your desktop ever again. When this happens, you can exclude it. To exclude
a background image currently on your desktop, navigate to the Home view, right-click an image on the mini screen view
on the main status screen and select Exclude Background
Image. This image is now excluded and will never show up on your
desktop again. It will be faded to black to indicate exclusion. If you
want the image off your desktop immediately, click Change Now to change your wallpaper.
To exclude a collage image currently on your desktop, right click the image
(right from your desktop) and select Exclude
Image. If you want the image off your desktop immediately, click
Change Now to change your wallpaper.
To manage image exclusions, click Image
Exclusions... on the Settings view. Here,
you will see all of the images that you have excluded that ChronoWall still
has a copy of. To remove an exclusion, right-click an image and select
Remove. Click OK to
save the image exclusions.
Because of all the online services that ChronoWall uses, bandwidth can
become an issue, especially in the middle of a business day. These settings
allow you to limit downloading images to specific hours of the day. Click
Download Options... to open the Download Options
dialog. Here, you can set the beginning and ending times. ChronoWall will
perform searches and download images only during the time range specified.
Click OK to save the download settings.
When using this feature, if you add a new search or RSS feed, images
are temporarily allowed to download for the search / RSS feed just added.
ChronoWall's default interface color may not be for everyone. You can apply
all the effects to the main interface that you would to a wallpaper image,
making the interface look exactly how you want to. After making any
changes, you must restart ChronoWall for the changes to take effect.
Store images in another folder
When using any online feature of ChronoWall, images are downloaded and
placed in the default application folder for the currently logged-in user.
This folder usually resides on the drive that contains your operating
system. However, since ChronoWall can download several GB of images, many
users who have custom partitioning may want to place these images elsewhere.
You can set an alternate data folder by checking the box next to Store images in another folder, clicking Browse... to locate the folder to place the images in,
and clicking Select Folder. The folder name will
be updated next to the checkbox.
These changes will not take effect until the next time you start ChronoWall.
When ChronoWall is started after changing the folder, the image files in the
current directory will automatically be moved. Please make sure you have
enough space in the destination folder beforehand - ChronoWall will perform
a free space check before moving files, but a number of different scenarios
can make this check inaccurate. You can repeat this process as many times
as you wish should you need to change the folder again.
To enter your serial key, click Enter serial
key... to open the serial key dialog. Type your name and serial key
exactly as it appears in the email sent to you. After clicking OK, it will be validated.
What happens after the 30 day trial?
If you use ChronoWall beyond the trial expiration date, your desktop
wallpaper will no longer change. You can still open ChronoWall, create
wallpaper groups, image searches, etc - however, you will not be able to
apply them to your desktop. If you liked ChronoWall during your trial
and would like to continue using it, please purchase it in the