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Silverlight printing sample

DanDong

Hi everyone,

I am using the silverlight printing sample from code gallery (http://www.arcgis.com/home/item.html?id=e361c2cc69784fcba34358d0458f66e3).

According to the ReadMe, I should add a reference to the MapPrintingControls.dll (located at
MapPrintingControls/Bin/Release) to my silverlight application.

But I cannot find MapPrintingControls.dll in that path and neither the whole download folder, thus I cannot add this reference. Does anyone has clue for this? or if you have the dll, could you please share it with me 🙂 Really appreciate.

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samulineuvonen

Finally I found a way around this. I do not understand why but it appears that setting the feature layers Mode-property to "OnDemand" somehow stops the layer from showing properly on the clone map/printmap. And this even if Where-property is later set (which according to documentation should make the mode "Snapshot"). But, since I don't think I have any problem with a "Snapshot"-mode, the problem is solved, as far as I am concerned. Cant' really remember why we decided to set it to "OnDemand" in the first place...

Regards,

Samuli

DominiqueBroux

I added a branch with a fix for the dynamiclayerinfos issue.

Concerning the pircturemarkersymbols, I would need a repro case.

Thanks

samulineuvonen

After some testing it seems the problem is somewhere else in my application. I added the same FeatureLayers to the original sample and there was no problem. Now I just have to figure out what could cause this difference. Any ideas would be welcome...

Regards,

Samuli

samulineuvonen

Dear Dominique,

I'm using this sample in my application and otherwise it works very nicely but there is some problem with layers using PictureMarkerSymbols. They don't show on the cloned map and the symbols are also not drawn on the printable legend. Is this a bug or just something wrong with my setup? Have you ever tested with PictureMarkerSymbols? I'm using the latest version of the arcgis-samples-silverlight (from Esri/arcgis-samples-silverlight · GitHub ).

By the way, I noticed the same for ArcGISDynamicMapServiceLayers constructed with DynamicLayerInfos, but this is maybe not so suprising...

Thanks,

Samuli

PaulHuppé

Hi Paul,

Sorry I didn't port my print sample to the Javascript API.
The sample is very related to the .net API and not easy to port to Javascript as it is.

Bonne chance.

ok, pas de problèmes.
Merci.
Paul

DominiqueBroux

Hi Paul,

Sorry I didn't port my print sample to the Javascript API.
The sample is very related to the .net API and not easy to port to Javascript as it is.

Bonne chance.

PaulHuppé

Salut Dominique,

Have you ever rewritten your printing sample using the JavaScript API? We are moving away from Silverlight into JavaScript and would like to reuse this widget.

Thanks,
Paul

PaulHuppé

Ok, after trying again, I got your solution to behave like you said. So, it must be something we did when we ported it in our MVVM model.

PaulHuppé

Yes, that is what I am talking about. Maybe I need to download your solution again, because the one I have does not seem to do that. Is the latest version still in the code gallery? Or maybe I should download from your site if you have a URL for it?

DominiqueBroux

But as soon as you open the print preview, the legend in it does not match want you see currently in the application. Is there a way to at least show the legend as you see it before pressing the print preview button?

Should already be the case.

For example, if you turn off the 2 layers of the lived application and, then open the print dialog, there is no layer in the print preview legend.
Are you talking about this case?

PaulHuppé

Yes, I realized that after you open the print preview, if you play with the legend it will not be reflected in the preview, which is fine. But as soon as you open the print preview, the legend in it does not match want you see currently in the application. Is there a way to at least show the legend as you see it before pressing the print preview button?

DominiqueBroux

Not sure what you mean by

the legend shown in the preview does not match the legend in its current state of the application.

If you mean that the look of the legend control is not the same in the main view than in the printed page : that's normal. There are 2 legend controls one in the main page and another one in the page style. These 2 controls can have different properties : LayerItemsMode (Flat or Tree), Color, Templates, ......

If you mean that the layers visibilities can be different in the application and in the preview. It's because a snapshot of the visible layers is done when you open the print dialog. Then, changing a layer visibility in the main window doesn't impact the preview window (as it's developed for the moment).

BTW : I noticed than the service used by the sample with the 'Tour de France 2010' is no more working. This sample would need an update (as soon as I find a service with the Tour de France 2012 🙂 ...)

PaulHuppé

Hi Dominique,
I got things working quite some time ago, but I have a different question now. When I hit the print button, and printing with a legend, the legend shown in the preview does not match the legend in its current state of the application. I was looking at your original solution, and it does the same thing in yours. Looking at your code, you set a "Flat" legend mode and the legend always looks the same no matter what you do to in the application legend. Is there a way to reflect you you do in the application legend in the print preview legend? That is, if a service is open or closed in the legend it would be open or closed also in the print preview.
Thanks,
Paul

DominiqueBroux

[INDENT]hai,

am using silverlight with microsoft visual web developer 2010 express, how to retrieve the following error

No best type found for implicitly-typed array [/INDENT]

In lack of any context, I can just redirect you to the general error description : http://msdn.microsoft.com/en-us/library/bb384226.aspx

thilagavathi

hai,

am using silverlight with microsoft visual web developer 2010 express, how to retrieve the following error

No best type found for implicitly-typed array

DominiqueBroux

Dominique,
Is there any way i can provide interface for the user to select the page layout and page size on the print window.

AFAIK, there is no Silverlight native solution to do that.

It's possible to do it with WPF (using System.Drawing.Printing namespace) and it's probably possible to do it with circonvoluted Silverlight code in OOB with elevated trust permissions, but I never tested that.

To facilitate the choice between landscape and portrait, the users might create 2 printers with different default properties pointing to the same device. So they have just to select the printer.

HariAdduri

Dominique,
Is there any way i can provide interface for the user to select the page layout and page size on the print window. I prefer making the default Layout to 'Landscape' if there is a possibility. As of now the user we have to go to 'Properties' and 'Advanced Preferences' for setting these attributes, it will be helpful for the user if these options are provided on the print options page.
Let me know.
Thanks,
Hari

DominiqueBroux

Glad you got it to work:).
Seems to be a very nice usage of the print sample.

DanDong

Never mind. I figure that out. It is because that I didn't set the isactive property binded to the button, so clicking button doesn't make the map refreshed.

DanDong

Hey Dominique, I use the two types of print styles in my application, one is with legend and the other is with text. The one with legend works well. But there is some wrong with the one with text. I actually need the text change instead of keeping it fixed. So the logic is that first it will perform a spatial query, then a childwindow pop up to show the query result, the summary information and two buttons[ATTACH]10494[/ATTACH]. So if the user clicks 'Generate printable report', he will see the report that is going to be printed[ATTACH]10495[/ATTACH]. The text on the left side will actually changed as the spatial query results. I put a textloaded event in the printer style. Then I found for the first time, the map and the text in the print report is correct. But if I close it and do another spatial query, the stuff showed in the print report doesn't change, which should change since I go to another place to draw a polygon and do the spatial query. My first thought is that maybe the binding is wrong. But I realize that the binding should be correct since for the first time both map and text info are good. It looks like the print page never get updated! Could you advice what might be the problem? I have struggled for a few days but still didn't get is solved 😞 Thank you advance!

<!-- Header -->
                                        <StackPanel Background="{TemplateBinding Background}" Grid.Row="0" Grid.ColumnSpan="2">
                                            <TextBlock Text="{Binding Title, RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Center" FontSize="12" 
               Visibility="{Binding Title, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource toVisibility}}" />
                                        </StackPanel>

                                        <!-- Body-->
                                        <StackPanel Grid.Row="1" Grid.Column="0">
                                            <TextBlock TextWrapping="Wrap"
                     Loaded="WirtReportText_Loaded" FontSize="14" Margin="5"/>                                            
                                        </StackPanel>
                                        <StackPanel Grid.Row="1" Grid.Column="0" VerticalAlignment="Bottom" Orientation="Horizontal">
                                            <Image Height="100" Width="50" Source="/wirt1.0;component/Images/IDNRlogo1.png" />
                                            <Image Height="100" Width="200"  Source="/wirt1.0;component/Images/DIRT_logo.png" />
                                        </StackPanel>
                                        <Grid Grid.Row="1" Grid.Column="1">
                                            <!-- Map-->
                                            <esri:Map x:Name="PrintMap" IsLogoVisible="False"
                                                  controls:CloneMap.Map="{TemplateBinding Map}"
              controls:SurrogateBinder.OverviewMapPrinter="{Binding RelativeSource={RelativeSource TemplatedParent}}">                                               
                                            </esri:Map>

Thanks Dominique.

I was wondering if when you pick landscape in the printer properties if it would stretch or if it would leave the size of the map as is.

Yes, when you select a printer, the mapprinter will stretch automatically to the printer area depending on the printer size, the printer orientation,....
As a consequence, when the scale is fixed, the number of printed pages can be different of the number of pages shown initially in the printer dialog.
Nevertheless, the print dialog keeps the parameters of the latest print. So after printing once in landscape mode, the printer dialog will show the result in landscape mode.

PaulHuppé

Hi Dominique,

Thanks for the reply. I will have a look at the code and start tweaking! The longest thing to do is localisation. For landscape mode, I will give it a try. I was wondering if when you pick landscape in the printer properties if it would stretch or if it would leave the size of the map as is.

Cheers,
Paul

DominiqueBroux

Hi Paul,

Thanks for your suggestions.

The sources of this sample are provided so you can tweak it for your need.

My thoughts about your points:
   - localization : either keep the same mapprinter style whatever the locale and localize this style (likely with the same mechanism you are using for your application), or define one mapprinter style by locale, in this case your application has to select the right style depending on the current culture.
   - add a subtitle : you can add a new 'SubTitle' property (like 'Title')
   - rotate the whole template : not sure it's needed. You will get the same result by printing the map in landscape mode.

PaulHuppé

Hi Dominique,

I have downloaded your Map Printing solution because we need something like you developed. I would have a few suggestions that you may have already considered or not. In Canada, our applications must be bilingual, English and French, so it would be nice to have something like:

<controls:MapPrinter x:Name="mapPrinter"
        Map="{Binding ElementName=MyMap}"
        Locale="fr"
        Title="Tour de France 2010"
        IsScaleFixed="True" Scale="2000000"/>

This way, we could change the local on the fly. This would mean that the MapPrinter control, or maybe this could be on the MapPrinterDialog control, would have to handle locales. Another one, is that we have a requirement for a subtitle as well.

Next, when you click the Rotate Map checkbox, we get something like in the attached "img1_Default_Rotated.png". We would need to rotate the whole template instead to have something like the modified image "img1_Default_Rotated_Modified.png".

Your thoughts,

Paul

img1_Default_Rotated.png

img1_Default_Rotated_Modified.png

Clip_215.jpg

Clip_216.jpg

DominiqueBroux

Double check that all your references are correct.
Check also that you have added a reference to System.Windows.Controls.Toolkit in your application.

ibrahimKalayci

Hi debroux,

i want to use your MapPrintingtool in my Silverlightapplication. I've done all the instructions step by step as in "readme.txt". But I get a runtime error: "[Control_TargetTypeMismatch]
"http://go.microsoft.com/fwlink/?linkid=106663&Version=4.0.60531.0&File=System.Windows.dll&Key=Control_TargetTypeMismatch".
System.Windows.Controls.Control.ApplyTemplate()
Microsoft.Expression.Platform.Silverlight.InstanceBuilders.SilverlightViewNodeManager.EnsureElementInDictionary(Object root, ViewNode knownAncestor)"

DanDong

You can use the standard SaveFileDialog provided by Silverlight. Note that for security reason, the SaveFileDialog can only be shown in response to an user initiated event (a button should be OK then).

Hey Dominique, thanks a lot for the answer. I just went through the codes. I am thinking to add a button just beside the 'Print' button, named 'Save'.
But I didn't find where I can specify the command to open a SaveFileDialog. I saw the 'Print' button is binded to a print command, but I didn't find where it is specified to open standard Windows PrintDialog.
Could you share some guidance? Thank you very much!

DominiqueBroux

But the user seems to want to omit this scale stuff. So shifted my attention to implement other functions.

You can just set IsScaleFixed to false.

So can I have another button similar to this one to open a standard windows SaveFile dialog?

You can use the standard SaveFileDialog provided by Silverlight. Note that for security reason, the SaveFileDialog can only be shown in response to an user initiated event (a button should be OK then).

DanDong

Hey Dominique, thank you for the advice. I still get this issue unfixed. But the user seems to want to omit this scale stuff. So shifted my attention to implement other functions.

I notice in the printing sample, the print button opens a standard Windows Print Dialog. So can I have another button similar to this one to open a standard windows SaveFile dialog?

DominiqueBroux

Actually I don't have 'PreparePages' function...so the scale doesn't get any value and it doesn't work I guess.

At first glance I don't see how the MapPrinter control could work without the PreparePages method.
I would recommend you to use the MapPrintingControls project as it is and just adapt the templates in your project (except if you think there is a missing functionality in MapPrintingControls?).

DanDong

Hey Dominique, thank your for the tips. I see where the problem is. Actually I don't have 'PreparePages' function...so the scale doesn't get any value and it doesn't work I guess.

So I was thinking to add this function to MapPrinter loaded event. Please see the red words. But for some reasons the printExtent is always null. I put a breakpoint in this line: Envelope printExtent = mapPrinterWithDialog.PrintExtent....but it seems like there is no map in 'mapPrinterWithDialog' even I bind MyMap to its 'Map'. I am really confused...why the map is still empty after we bind its map property to MyMap, even in its loaded event?

controls:MapPrinterDialog x:Name="MapPrinterDialog" Background="White" Width="350" Height="400" Style="{StaticResource MyMapPrinterDialogStyle}" Visibility="Collapsed" >
                <controls:MapPrinter x:Name="mapPrinterWithDialog" Map="{Binding ElementName=MyMap}" Style="{StaticResource WithLegend}" 
                                     Title="WIRT" Loaded="mapPrinterWithDialog_Loaded"/>
                <!--IsScaleFixed="True" Scale="2000000"-->
                <!--IsActive="{Binding ElementName=PrintBtn }"-->
            </controls:MapPrinterDialog>           
            <controls:MapPrinterIndicator MapPrinter="{Binding ElementName=mapPrinter}" />

private void mapPrinterWithDialog_Loaded(object sender, RoutedEventArgs e)
        {
            MapPrinter mapPrinterWithDialog = sender as MapPrinter;

            double mapHeight = MyMap.ActualHeight;
            double mapWidth = MyMap.ActualWidth;
            Envelope printExtent = mapPrinterWithDialog.PrintExtent;
            var mapSize = new Size(mapPrinterWithDialog.RotateMap ? mapHeight : mapWidth, mapPrinterWithDialog.RotateMap ? mapWidth : mapHeight);
            var mapUnit = mapPrinterWithDialog.MapUnits;
            bool isWebMercator = (mapPrinterWithDialog.Map != null && mapPrinterWithDialog.Map.SpatialReference != null &&
                                  (mapPrinterWithDialog.Map.SpatialReference.WKID == 102100 || mapPrinterWithDialog.Map.SpatialReference.WKID == 102113 || mapPrinterWithDialog.Map.SpatialReference.WKID == 3857));
            double ratioScaleResolution = RatioScaleResolution(mapUnit, printExtent.GetCenter().Y, isWebMercator);
            double scale = mapPrinterWithDialog.Scale;
            double printResolution;

            printResolution = Math.Max(printExtent.Width / mapSize.Width, printExtent.Height / mapSize.Height);
            scale = ratioScaleResolution * printResolution;

            if (scale != mapPrinterWithDialog.Scale)
                mapPrinterWithDialog.Scale = scale;
        }


        private static double RatioScaleResolution(MapUnit mapUnit, double yCenter, bool isWebMercator)
        {
            double ratio;
            int dpi = 96;
            double toRadians = 0.017453292519943295769236907684886;
            double earthRadius = 6378137; //Earth radius in meters (defaults to WGS84 / GRS80)
            double degreeDist = earthRadius * toRadians;// distance of 1 degree at equator in meters

            if (isWebMercator)
            {
                // Transform yCenter from web mercator to decimal degree
                yCenter = Math.Min(Math.Max(yCenter, -20037508.3427892), 20037508.3427892);
                var point = new MapPoint(0, yCenter);
                yCenter = point.WebMercatorToGeographic().Y;
                ratio = Math.Cos(yCenter * toRadians) * dpi * 39.37; // 39.37 = MapUnit.Meters/MapUnit.Inches
            }
            else if (mapUnit == MapUnit.DecimalDegrees || mapUnit == MapUnit.Undefined)
            {
                if (Math.Abs(yCenter) > 90)
                    ratio = 0.0;
                else
                    ratio = Math.Cos(yCenter * toRadians) * degreeDist * dpi * 39.37;
            }
            else
            {
                ratio = (double)dpi * (int)mapUnit / (int)MapUnit.Inches;
            }
            return ratio;
        }

DominiqueBroux

Text="{Binding Scale, RelativeSource={RelativeSource TemplatedParent}, StringFormat='1 : {0:F0} '}"

The sample is using this binding and is working, so difficult for me to help you out. The scale is supposed to be calculated and set in 'PreparePages'. I recommend you to test in debug and to set a breakpoint to this method, that could give a clue.

DanDong

Hey Dominique, I see that the textblock in the mapprinter is bind to the Scale denominator, instead of the textbox used for user's input. But no matter how I change the print extent, the footer stays 1�?0 �?0 is default value in the textbox�?. Only after I change 0 to other value, the footer will change accordingly. Is this because the scale of the map hasn't been set yet? Then how should I get the current scale of the map? I noticed that there are a few threads related to this question and there should be a equation to calculate the current scale.

Text="{Binding Scale, RelativeSource={RelativeSource TemplatedParent}, StringFormat='1 : {0:F0} '}"

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