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Subscript in axis description of a Chart is not shown properly in PDF Output

Hi,
I am using Aspose.Cells v8.6.1
On converting Chart 1 in attached excel to PDF, Subscript in axis description of the chart is not shown properly.

I have attached the Excel file, pdf taken using aspose, and PDF taken using MS-Excel.

For reference the sample code:
private static void chartToPDF() throws Exception {
Workbook workbook = new Workbook("D:\\UMI-LN_Model_Quark testing.xlsx");
WorksheetCollection ws = workbook.getWorksheets();
Chart chart = workbook.getWorksheets().get(0).getCharts().get("LIB_Column_061930");
ChartShape cshape = chart.getChartObject();
int sheetIndex = ws.add();
com.aspose.cells.Worksheet worksheet = ws.get(sheetIndex);
chart.calculate();
double chartWidthInInches = chart.getChartObject().getWidthInch();
double chartHeightInInches = chart.getChartObject().getHeightInch();
boolean defaultApproach = true;
if (chartWidthInInches > 18 || chartHeightInInches > 5) {
// The approach being followed here is to iterate as many columns as colwidth in pixels & set each column width equal = 1 pixel.
// Similarly for chart height, iterate through as many rows as row height & set each row height = 1 pixel.
// This is being done to fit in large charts that have height & width beyond maximum row/col dimensions & white spaces around
// the chart.

double chartWidthInPixels = chart.getChartObject().getWidth();
double chartHeightInPixels = chart.getChartObject().getHeight();
// Deliberately including one more column because Aspose considers the last column adjacent to chart which leads to white space
// on right of chart
for (int i = 0; i <= chartWidthInPixels; i++) {
worksheet.getCells().setColumnWidthPixel(i, 1);
}

// Deliberately including one more row because Aspose considers the last row adjacent to chart which leads to white space
// below the chart.
for (int i = 0; i <= chartHeightInPixels; i++) {
worksheet.getCells().setRowHeightPixel(i, 1);
}
defaultApproach = false;
} else {
worksheet.getCells().setColumnWidthInch(0, chartWidthInInches);
worksheet.getCells().setRowHeightInch(0, chartHeightInInches);
}

//Setting the name of the newly added worksheet
String transientSheetName = "TransientWorksheet";
worksheet.setName(transientSheetName);
//Copy the Chart to Second Worksheet
worksheet.getShapes().addCopy(cshape, 0, 0, 0, 0);
//Get the new chart and set its height and width accordingly
com.aspose.cells.Chart chart1 = worksheet.getCharts().get(0);
chart1.getChartObject().setHeightInch(chartHeightInInches);
chart1.getChartObject().setWidthInch(chartWidthInInches);
//Make remaining worksheets invisible so that they are not part of the output pdf
for (int i = 0; i < ws.getCount(); i++) {
String sheetName = ws.get(i).getName();
if(!transientSheetName.equalsIgnoreCase(sheetName)){
ws.get(i).setVisible(false);
}
}
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
pdfSaveOptions.setOnePagePerSheet(true);
worksheet.getPageSetup().setTopMargin(0);
worksheet.getPageSetup().setBottomMargin(0);
worksheet.getPageSetup().setRightMargin(0);
worksheet.getPageSetup().setLeftMargin(0);
//Setting Print area to first cell only as the chart is contained in the first cell (A1:A1)
if (defaultApproach) {
worksheet.getPageSetup().setPrintArea("A1:A1");
}
// Save the workbook
workbook.save("d:\\temp\\Aspose_PDF.pdf", pdfSaveOptions);
}


Can you please analyse this issue.

Thanks,
Neha Gautam

Hi,


Thanks for providing us template file and sample code.

After an initial test, I observed the issue as you mentioned by using your sample code with your template file. I found that subscripts in the axis description of a chart is not shown properly in the output PDF file format.
e.g
Sample code:

Workbook workbook = new Workbook(“Test1.xlsx”);
WorksheetCollection ws = workbook.getWorksheets();
Chart chart = ws.get(“Sheet1”).getCharts().get(0);
ChartShape cshape = chart.getChartObject();

int sheetIndex = ws.add();

com.aspose.cells.Worksheet worksheet = ws.get(sheetIndex);

chart.calculate();

double chartWidthInInches = chart.getChartObject().getWidthInch();
double chartHeightInInches = chart.getChartObject().getHeightInch();

boolean defaultApproach = true;
if (chartWidthInInches > 18 || chartHeightInInches > 5) {
// The approach being followed here is to iterate as many columns as colwidth in pixels & set each column width equal = 1 pixel.
// Similarly for chart height, iterate through as many rows as row height & set each row height = 1 pixel.
// This is being done to fit in large charts that have height & width beyond maximum row/col dimensions & white spaces around
// the chart.

double chartWidthInPixels = chart.getChartObject().getWidth();
double chartHeightInPixels = chart.getChartObject().getHeight();
// Deliberately including one more column because Aspose considers the last column adjacent to chart which leads to white space
// on right of chart
for (int i = 0; i <= chartWidthInPixels; i++) {
worksheet.getCells().setColumnWidthPixel(i, 1);
}

// Deliberately including one more row because Aspose considers the last row adjacent to chart which leads to white space
// below the chart.
for (int i = 0; i <= chartHeightInPixels; i++) {
worksheet.getCells().setRowHeightPixel(i, 1);
}
defaultApproach = false;
} else {
worksheet.getCells().setColumnWidthInch(0, chartWidthInInches);
worksheet.getCells().setRowHeightInch(0, chartHeightInInches);
}

//Setting the name of the newly added worksheet
String transientSheetName = “TransientWorksheet”;
worksheet.setName(transientSheetName);

//Copy the Chart to Second Worksheet
worksheet.getShapes().addCopy(cshape, 0, 0, 0, 0);

//Get the new chart and set its height and width accordingly
com.aspose.cells.Chart chart1 = worksheet.getCharts().get(0);

chart1.getChartObject().setHeightInch(chartHeightInInches);
chart1.getChartObject().setWidthInch(chartWidthInInches);


//Make remaining worksheets invisible so that they are not part of the output pdf
for (int i = 0; i < ws.getCount(); i++) {
String sheetName = ws.get(i).getName();
if(!transientSheetName.equalsIgnoreCase(sheetName)){
ws.get(i).setVisible(false);
}
}

PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
pdfSaveOptions.setOnePagePerSheet(true);

worksheet.getPageSetup().setTopMargin(0);
worksheet.getPageSetup().setBottomMargin(0);
worksheet.getPageSetup().setRightMargin(0);
worksheet.getPageSetup().setLeftMargin(0);
//Setting Print area to first cell only as the chart is contained in the first cell (A1:A1)
if (defaultApproach) {
worksheet.getPageSetup().setPrintArea(“A1:A1”);
}
// Save the workbook
workbook.save(“out1.pdf”, pdfSaveOptions);

I have logged a ticket with an id “CELLSJAVA-41568”. We will look into it soon.

Once we have any update on it, we will let you know here.

Thank you.

Hi,

Thanks for using Aspose.Cells.

We have fixed the issue CELLSJAVA-41568.

Please download and try the latest fix: Aspose.Cells for Java v8.6.2.6 and let us know your feedback.

The issues you have found earlier (filed as CELLSJAVA-41568) have been fixed in this update.


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